Section 1 Collection, Analysis and Evaluation of Data

Permissible Communications and Information Barriers

16 min read ยท Lesson 2 of 8
๐ŸŒŽWHY THIS MATTERS
Galleon Group: $63.8 million in tips, 11 years in federal prison
Raj Rajaratnam built the largest insider-trading case in SEC history by cultivating tippers inside investment banks, hedge funds, and tech companies — including bankers who crossed information barriers to leak deal details. Information barriers, restricted lists, quiet periods, and Reg AC exist because of exactly this. The Series 79 tests whether you can identify a violation before it becomes a Bloomberg headline.
Information barrier architecture
Every investment bank runs a wall between sides that see MNPI (private side: M&A, capital markets, restructuring) and sides that don’t (public side: research, sales, trading). The wall is both physical — different floors, locked doors — and procedural: controlled wall-crossings, monitoring, and pre-clearance requirements.
Information barrier architecture โ€” public side vs private side Two-column diagram showing the information barrier between public-side functions (research, sales, trading) and private-side functions (M&A, ECM, DCM, restructuring). Labels show allowed flows, prohibited flows, and the wall-crossing procedure for controlled MNPI sharing. PUBLIC SIDE does not see MNPI PRIVATE SIDE routinely sees MNPI INFORMATION BARRIER physical + procedural + supervised Research equity & credit analysts Sales institutional & retail sales Trading prop, market-making, flow Corporate communications PR, investor relations M&A advisory sell-side & buy-side bankers ECM / DCM equity & debt capital markets Restructuring distressed advisory Private placement desks private deal origination SUPERVISED WALL-CROSSING UNAUTHORIZED MNPI LEAK (PROHIBITED) MONITORED BY: Compliance / Control Room · reviews wall-crossings, maintains restricted/watch/grey lists, pre-clears personal trading
Wall-crossing procedure: a banker needing input from research (or vice versa) submits a request to the Control Room. Control Room pre-clears, adds the crossed individual to the deal’s need-to-know list, and monitors that person’s trading during the restriction period. After the deal closes or dies, the person is de-walled and restored to public-side activities.
Three compliance lists — from most restrictive to least visible
Restricted list
Visible firmwide · active prohibitions
When listed
Firm has material MNPI or an active underwriting / advisory role that requires trading restrictions
Who sees it
All employees — published internally & accessible to public-side staff
What it triggers
No firm or personal trading; research coverage suspended; sales cannot solicit
Exam trap
Public list — signals active MNPI or live deal, which is itself information
Watch list
Control Room only · monitoring
When listed
Firm has MNPI but no announcement yet, or deal not active enough for a restricted list
Who sees it
Compliance and Control Room only — not visible to the business
What it triggers
Heightened surveillance of trading, order flow, and communications in the security
Exam trap
Private list — existence itself is confidential, unlike the restricted list
Grey list
Research suppression
When listed
Bank has pitched or is pitching the company; no engagement yet but relationship exists
Who sees it
Compliance only; research may be notified of coverage restrictions
What it triggers
Research upgrade / downgrade suspensions; pre-clearance required for any published commentary
Exam trap
Different from restricted/watch — the bank may not even have MNPI yet; just a prospective conflict
The escalation path: a company typically starts on the grey list when the bank first pitches, moves to the watch list once the bank has MNPI but before announcement, and appears on the restricted list once the deal is announced and active restrictions apply. Each escalation tightens trading and research restrictions — and increases the number of people who know.

FINRA Rule 2241 โ€” Bright-Line Prohibition: Research analysts are generally prohibited from participating in pitches or any communications for the purpose of soliciting investment banking business. This is treated as a hard line on the exam โ€” no exceptions for compliance chaperoning, general industry discussion, or issuer requests. One narrow exception: Under the JOBS Act, a research analyst may attend a pitch meeting for an IPO of an Emerging Growth Company (EGC), provided investment banking personnel are also present. Even in that setting, the analyst may not engage in otherwise prohibited solicitation conduct.

The exam tests both the general prohibition and the EGC exception. If a question describes a banker wanting to include a research analyst in a pitch meeting and the issuer is not specifically identified as an EGC, the answer is "no."

FINRA Rule 2241 โ€” Bright-Line Prohibition: Research analysts are strictly prohibited from participating in pitches or any communications for the purpose of soliciting investment banking business. This is an absolute rule โ€” no exceptions for compliance chaperoning, general industry discussion, or issuer requests. The exam tests this as a hard line.

Information Barriers

Firms maintain information barriers (commonly called "Chinese walls") between departments that have access to material nonpublic information (MNPI) and those that make trading decisions:

  • IB โ†” Trading/Research: Bankers working on live deals cannot share deal details with traders or research analysts
  • Watch lists and restricted lists: Compliance maintains lists of securities where the firm has MNPI โ€” proprietary and customer trading may be restricted
  • Wall crossing: A controlled process where someone is deliberately brought "over the wall" to access MNPI for a specific purpose (e.g., to evaluate a potential transaction), subject to compliance approval
The exam frequently tests the Rule 2241 research analyst prohibition. If a question describes a banker wanting to include a research analyst in a pitch meeting, the answer is always "no" โ€” regardless of how the question frames it (compliance chaperone, general discussion only, issuer request). It's a bright-line rule.

Regulation FD โ€” Fair Disclosure in Practice

Reg FD intersects with IB communications constantly. Key scenarios:

  • Intentional disclosure: If an issuer intentionally tells select analysts about upcoming earnings, it must simultaneously make a public disclosure (8-K or press release).
  • Unintentional disclosure: If MNPI leaks accidentally, the issuer must make a public disclosure promptly (within 24 hours or before the next market open).
  • Exceptions: Reg FD does not apply to communications with persons who owe a duty of trust or confidence (rating agencies, counsel, accountants) or in connection with registered offerings.

Investment bankers advising issuers must be aware that their client's communications with investors and analysts could trigger Reg FD โ€” even casual remarks at industry conferences.

Wall-Crossing Documentation: When someone is brought "over the wall" to access MNPI (e.g., a potential buyer in an M&A), compliance must document: (1) who was crossed, (2) when, (3) what information was shared, (4) acknowledgment of trading restrictions. The person remains restricted until the information is publicly disclosed or the deal is abandoned.
FINRA Rule 2241 โ€” Research Independence in Detail

Rule 2241 builds a comprehensive wall between investment banking and research. Beyond the pitch-attendance prohibition, the rule creates several other testable bright lines:

No Retaliation
IB personnel may not retaliate or threaten to retaliate against an analyst for an unfavorable report. The violation is the threat itself โ€” it does not matter whether the threat is carried out.
Bright-line rule
No Favorable Research as Inducement
IB may not offer favorable research, specific ratings, or price targets to win or retain banking business. A higher fee, a waiver, or compliance approval does not cure this.
Bright-line rule
Factual Verification Exception
IB may review unpublished research solely to verify factual accuracy โ€” but only through a controlled process involving legal or compliance. No influence on ratings, targets, or estimates.
Limited exception
Compensation Restrictions
IB personnel may not have input into analyst compensation. Analyst pay may not be based on specific banking transactions or contribution to banking revenues.
Structural requirement
Research Oversight Committee
Firms must establish a research oversight body with authority over research activities, reporting to senior management independent of investment banking.
Structural requirement
Restricted Lists, Watch Lists, and Grey Lists

Firms use layered list systems to manage information barriers. The exam tests the differences between these designations:

Restricted List
Firm-wide prohibition on trading and publishing new research. Applied when MNPI is present. All employees are affected, not just the banking team.
Prohibits trading + research
Watch List
Heightened compliance surveillance of trading activity. Does not prohibit trading outright. Used at earlier stages, before a full restriction is warranted.
Monitors, does not prohibit
Grey List
Confidential surveillance tool known only to compliance. Not communicated firm-wide. Prevents the firm's involvement from being inferred through observable restrictions.
Confidential monitoring
Securities Act Section 5 โ€” Communications During Offerings

Section 5 of the Securities Act creates a framework that governs what can be communicated and when during a registered offering. The rules create three distinct periods, each with its own set of permitted and prohibited communications. The exam heavily tests this timeline.

1
Pre-Filing Period
Before registration statement is filed
No offers (gun-jumping) Rule 135 notices OK Rule 163A (30+ days out) WKSI: FWPs + Rule 163
2
Waiting Period
After filing, before effectiveness
Oral offers permitted Preliminary prospectus Roadshows Free Writing Prospectuses No sales
3
Post-Effective Period
After SEC declares registration effective
Sales may begin Final prospectus delivery Access = delivery (EDGAR)

Gun-jumping occurs when communications during the pre-filing period condition the market for the offering. A CEO hyping the company's prospects on TV shortly before filing is the classic example. The SEC evaluates the timing, content, and whether the communication departs from the issuer's ordinary practice.

Key safe harbors during the pre-filing period:

  • Rule 135 โ€” A brief notice stating the issuer intends to make a public offering (no size, price, or underwriter names). Available to all issuers.
  • Rule 163A โ€” Communications made more than 30 days before filing that do not reference the offering. Available to all issuers.
  • Rule 163 โ€” Pre-filing offers by well-known seasoned issuers (WKSIs) only.
  • Rule 168 โ€” Regularly released factual business information (e.g., routine earnings press releases). Available to reporting issuers.
Free Writing Prospectuses

A free writing prospectus (FWP) is a written communication that constitutes an offer but falls outside the formal statutory prospectus. FWPs allow issuers and underwriters to supplement offering materials with updated information, marketing summaries, and investor presentations. The rules are tiered based on issuer status:

Well-Known Seasoned Issuer
May use FWPs at any time, including before filing. FWPs need not be preceded by a statutory prospectus. Broadest flexibility.
Pre-filing OK
Seasoned Reporting Issuer
May use FWPs after filing. FWPs need not be preceded by a statutory prospectus, but must be filed with the SEC on or before the date of first use.
After filing only
Non-Reporting Issuer
May use FWPs after filing, but the FWP must be accompanied by or preceded by the most recent statutory prospectus. Strictest conditions.
Must accompany prospectus

All FWPs must include a legend advising investors that a registration statement has been filed and directing them to read the prospectus. FWPs are treated as prospectuses for liability purposes โ€” both the issuer and underwriter can face Section 12(a)(2) liability for material misstatements.

Rule 134 Tombstones and Rule 135 Notices

Rule 134 permits a communication that includes only limited factual information: the issuer's name, the type and amount of securities, the offering price, and the names of the underwriters. It may not include investment recommendations, projected returns, valuation opinions, or full prospectus sections. Tombstone advertisements in financial newspapers follow this framework.

Rule 135 provides a pre-filing safe harbor for a brief notice that the issuer intends to make a public offering. The notice may include the issuer's name and the type of security, but may not name the underwriter, specify the price, or include detailed terms. This is available to all issuers, not just WKSIs.

Testing the Waters (JOBS Act)

Section 5(d) of the Securities Act, added by the JOBS Act, allows an Emerging Growth Company (or persons acting on its behalf) to gauge investor interest before or after filing a registration statement. These "testing-the-waters" (TTW) communications are limited to qualified institutional buyers (QIBs) and institutional accredited investors.

In 2019, the SEC adopted Rule 163B, which extended the TTW framework to all issuers, not just EGCs. This is a testable point โ€” the exam may ask whether a non-EGC issuer can test the waters (the answer is now yes).

TTW communications do not require a simultaneous confidential filing or an SEC no-action letter. However, any written TTW materials may need to be filed retroactively. A non-disclosure agreement does not expand the eligible audience beyond QIBs and institutional accredited investors.

Confidential Draft Registration Statements

The JOBS Act allows EGCs to submit draft registration statements for confidential SEC review. The draft must be publicly filed at least 15 days before the roadshow. In 2017, the SEC extended this process to all issuers conducting IPOs and certain other initial registrations โ€” not just EGCs.

Research Quiet Periods and Research Safe Harbors

After an IPO, underwriters historically observe a research quiet period before publishing research on the newly public issuer. The JOBS Act eliminated this restriction for Emerging Growth Companies โ€” a co-manager may publish research the day after an EGC's IPO closes.

Research safe harbors during offerings:

  • Rule 137 โ€” A non-participating broker-dealer may publish research on the issuer during the waiting period without the research being treated as an offer.
  • Rule 139 โ€” A participating broker-dealer may continue publishing regular-course industry reports that include the issuer, provided the issuer does not receive materially more favorable treatment than other companies in the group.
Regulation AC โ€” Analyst Certification

Regulation AC requires research analysts to certify that the views in their reports accurately reflect their personal views about the subject securities. The regulation also requires disclosure of whether the analyst's compensation was, is, or will be related to the specific recommendations or views in the report.

Reg AC extends to public appearances โ€” when an analyst discusses a covered company on television or at a conference, the analyst must certify that the views expressed accurately reflect personal views. The certification is provided to the broker-dealer and maintained in the firm's records.

Regulation M โ€” Trading Restrictions During Distributions

Regulation M prevents manipulation during securities distributions by restricting bids and purchases by distribution participants and issuers.

Rule 101 โ€” Distribution Participants
Underwriters and co-managers may not bid for, purchase, or induce others to bid for the offered security during the restricted period.
Rule 102 โ€” Issuers
The issuer may not repurchase its own securities during a distribution. A pre-existing buyback program does not automatically create an exemption.
Rule 103 โ€” Passive Market Making
Nasdaq market makers who are also underwriters may continue providing liquidity, subject to price and volume limits. Designed for Nasdaq's dealer market structure.
Rule 104 โ€” Stabilization
Lead underwriters may place stabilizing bids at or below the offering price to support the aftermarket. Must be disclosed in the prospectus. No advance SEC approval required.

Restricted period length depends on the security's average daily trading volume (ADTV) and public float. Actively traded securities (high ADTV and large float) are exempt entirely from the restricted period. Less liquid securities face 1-day or 5-day restricted periods.

The overallotment option (greenshoe) allows underwriters to purchase up to 15% additional shares at the offering price, primarily to cover short positions created during allocation and to support aftermarket stabilization.

Tender Offer Communications

The Williams Act and Regulation 14E govern communications during tender offers:

  • Schedule TO โ€” The bidder must file with the SEC as soon as practicable on the date the tender offer is first published or sent to shareholders.
  • Rule 14e-1 โ€” The offer must remain open for at least 20 business days. Material changes (price, percentage sought) require at least 10 additional business days.
  • Rule 14e-2 โ€” The target must communicate its position within 10 business days โ€” recommending acceptance, rejection, or stating it is unable to take a position.

Pre-announcement contacts with target shareholders can raise concerns under the tender offer rules if they could be deemed to constitute commencement of the offer.

Media and Press Communications

When a transaction is confidential, the standard response to press inquiries is to decline to comment. Confirming or denying the existence of an advisory mandate could constitute selective disclosure of MNPI and could violate the firm's confidentiality obligations to its client. There is no standard "media embargo" period that permits sharing deal details with journalists.

Prohibited Guarantees and Client Coercion

FINRA Rule 2241 prohibits investment banking personnel from promising favorable research, specific ratings, price targets, or continued coverage as an inducement to win or retain banking business. The rule applies with equal force to issuer demands for such commitments. A client threatening to withhold or terminate a mandate unless the firm guarantees a positive rating, a minimum IPO price, a specific valuation outcome, or continued favorable coverage creates a hard refusal obligation for the banker โ€” not a negotiation.

Favorable Research as Inducement
Prohibited regardless of fee size, competitive urgency, or client importance. Promising a specific rating, initiation of coverage, or favorable price target to win a mandate is a per se violation.
Hard prohibition
Guaranteed Valuation or Pricing
Bankers cannot guarantee the outcome of a valuation analysis, a minimum IPO price, a secondary-market trading level, or post-close stock performance. These are market outcomes, not commitments a banker may make.
Hard prohibition
Quid Pro Quo Coverage Commitments
Conditioning mandate award on coverage initiation, positive ratings, or suppression of unfavorable reports is prohibited. The rule binds the firm whether the commitment originates with the banker or is demanded by the issuer.
Hard prohibition
Permitted Factual Discussion
The banker may describe the firm’s research process, existing coverage universe, and the independence of the analyst — but without any commitment as to substance, rating, or continuation of coverage.
Permitted

“Booster shot” research — reports issued to artificially support a client’s stock price around an offering, lock-up expiration, or negative catalyst — is prohibited. The 15-calendar-day pre- and post-lock-up quiet period exists specifically to prevent this pattern. If a client conditions mandate award on any of the prohibited commitments above, the banker must decline the condition and escalate to compliance; there is no firm-level approval, fee adjustment, or documentation workaround that cures the conflict.

FINRA 2241(c) — Research Report Disclosures

When research covers a company the firm has or recently had an investment banking relationship with, FINRA Rule 2241(c)(4) requires specific conflict disclosures in the report itself. These firm-level disclosures are separate from the Regulation AC personal-views certification and address firm-side conflicts rather than analyst-level conflicts.

Mandatory written disclosures when applicable
  • Manager or co-manager role: The firm or an affiliate managed or co-managed a public offering of the subject company’s securities in the past 12 months
  • Compensation received: The firm received investment banking compensation from the subject company in the past 12 months
  • Compensation expected: The firm expects to receive, or intends to seek, investment banking compensation from the subject company in the next 3 months
  • 1% beneficial ownership: The firm and its affiliates hold 1% or more of any class of the subject company’s common equity, measured as of the end of the month prior to publication (or the end of the second most recent month if the report is published within 10 calendar days after month-end)
  • Market making: The firm makes a market in the subject company’s securities
  • Analyst financial interest: The research analyst or a household member holds a financial interest in the subject company, together with the nature of that interest (long or short)
  • Other material conflicts: Any other actual, material conflict of interest of the research analyst or firm of which the analyst knows or has reason to know at the time of publication

Public appearances: When an analyst discusses a subject company on television, at a conference, or in other public fora, a condensed disclosure regime applies. The analyst must disclose any actual material conflicts known to the analyst, the firm’s manager or co-manager role in the past 12 months if known, and any 1% or greater beneficial ownership. Full written disclosures are not required mid- appearance, but the analyst may not omit material conflicts the analyst is aware of.

These firm-level disclosures work in combination with Regulation AC: Reg AC addresses the analyst’s personal views and compensation structure, while Rule 2241(c) addresses firm-level banking conflicts that could bias the substance or timing of the report.

Research Quiet Periods — Specific Day Counts

FINRA Rule 2241(b)(4) establishes research quiet periods for broker-dealers participating in distributions. These restrictions apply to the publication of research reports and to public appearances by research analysts concerning the subject issuer.

10
Post-IPO — 10 Calendar Days
Managers and co-managers of an IPO may not publish research on the subject issuer or have an analyst appear publicly concerning the subject issuer for 10 calendar days following the offering date. This protects investors from immediate post-pricing research that could inflate the stock.
3
Post-Secondary Offering — 3 Calendar Days
Managers and co-managers of a secondary offering observe a 3-calendar-day quiet period following the offering date. The shorter period reflects the public market information already available for seasoned securities.
15
Pre/Post Lock-Up Expiration — 15 Calendar Days
Managers and co-managers may not publish research or have analysts appear publicly concerning the subject issuer within 15 calendar days before or after the expiration, waiver, or termination of a lock-up agreement. This is the “booster shot” rule, preventing analysts from inflating expectations as insider shares become sellable.

EGC carve-out: Under the JOBS Act, Emerging Growth Company offerings are exempt from the post-offering and booster-shot quiet periods. A co-manager may publish research on an EGC issuer the day after the offering closes. This is a common exam distinction — a question that specifies the issuer is an EGC triggers a different answer than a question that does not.

Wall-Crossed Research Analysts

When an investment banker wants an analyst’s technical input on a confidential deal — for example, to assist on a highly specialized M&A valuation or a complex convertible structure — compliance may wall-cross the analyst through a documented process. While wall-crossed, the analyst:

  • May provide technical assistance to the banking team under compliance supervision
  • May not publish or modify research on the subject company while the material non-public information remains undisclosed
  • May not trade, recommend trading, or initiate research coverage in the subject company’s securities
  • May not share the confidential information with other analysts or employees outside the wall-crossing scope
  • Must acknowledge the restriction in writing and follow the firm’s information barrier procedures

The restriction continues until the underlying MNPI is publicly disclosed or the transaction is abandoned. Wall-crossing an analyst does not waive Rule 2241; it creates a controlled exception for specific, non-research-related technical assistance.

Regulation G, MNPI Hygiene, and the Internal Commitment Committee
Regulation G and Item 10(e) of Regulation S-K

When pitchbooks, roadshow decks, or other marketing materials contain non-GAAP financial measures — Adjusted EBITDA, free cash flow, cash earnings per share, organic growth — Regulation G and Item 10(e) of Regulation S-K impose specific presentation requirements:

  • The most directly comparable GAAP measure must be presented with equal or greater prominence than the non-GAAP measure
  • A quantitative reconciliation from the non-GAAP measure to the comparable GAAP measure must be provided
  • The purpose and usefulness of the non-GAAP measure to investors must be disclosed
  • Non-GAAP measures may not be titled or described in a way that confuses them with GAAP measures (for example, labeling a heavily adjusted metric as “EBITDA” without identifying the adjustments)

These requirements apply to public-company marketing materials, earnings releases, and investor presentations — including materials prepared by or in coordination with the underwriter. Non-compliance can trigger SEC enforcement and, in a registered offering, Section 11 or Section 12(a)(2) underwriter liability for the materials.

MNPI Handling and Physical Security

Investment bankers in possession of material non-public information are responsible for its security. Common firm requirements include clean-desk policies, locked cabinets for deal binders, secure-print codes for printers, password- protected electronic files, and encrypted external communications. Discussing live transactions in elevators, taxis, public areas, or shared work spaces is a common compliance violation that can escalate into a broader MNPI exposure event.

Inadvertent disclosure: If MNPI is inadvertently revealed — a draft pitchbook left on a printer, an email sent to the wrong distribution list, a phone call overheard by an outsider — the banker must promptly notify compliance. The firm must then assess whether Regulation FD remediation is required: where the disclosure affects a public issuer and was unintentional, the issuer must make a public disclosure within 24 hours or by commencement of the next trading day, whichever is later. The banker’s individual liability exposure depends on whether the disclosure was reckless or negligent as well as inadvertent.

Internal Commitment Committee

Firm-commitment underwritings require internal approval by the firm’s commitment committee (variously called the capital commitment committee or underwriting commitment committee) before the firm bids on a mandate or signs an underwriting agreement. The committee reviews:

  • The transaction structure and the firm’s capital at risk
  • The adequacy of due diligence performed to date
  • Pricing reasonableness against comparable transactions
  • The quality and completeness of offering disclosure
  • Reputational and legal risk factors specific to the issuer or industry

The commitment memo is the written record of this review. It sets out the deal’s financial terms, market context, diligence summary, risk factors, and the banking team’s recommendation. The commitment committee provides the firm’s independent check on transactions before firm capital is placed at risk and before the firm’s name appears on offering documents.

Interactive sorter
Classify the communication
Ten scenarios a banker might face in a given week. For each, decide whether the communication is OK, needs compliance pre-approval, or is flat-out prohibited. Last sorter in the course — same mechanics as before.
Permissible
Routine · no MNPI · within-side only
Requires pre-approval
Wall-cross needed · Control Room clearance first
Prohibited
Violation · MNPI leak · tipper liability
Communications scenarios — 10 total
M&A banker emails colleague on the same deal team about calendar logistics for next week’s management meeting
Research analyst publishes a public-data-only note on a company not on any compliance list
Sales desk shares a published research note with an institutional client who subscribes to the firm’s research
M&A banker needs research analyst’s sector view for an ongoing sell-side pitch — requires crossing the wall
Capital markets banker wants to bring a hedge fund over the wall on a confidential PIPE structure
Banker needs to share draft S-1 with internal corporate development for a strategic review; company is on the watch list
Restructuring banker wants to discuss target identification strategy with a named distressed-credit fund client under NDA
M&A banker tells their spouse over dinner that a small-cap client is about to be acquired tomorrow
Trader notices an unusual options flow in a restricted-list name and emails the ECM coverage banker asking “anything happening?”
Banker forwards a confidential client deal memo to a WhatsApp group chat of MBA classmates for “career advice”
Concept Check

An investment banker preparing for an IPO pitch wants to include the firm's senior equity research analyst. Under FINRA Rule 2241, is this permitted?

FINRA Rule 2241 strictly prohibits research analysts from participating in pitches or communications to solicit investment banking business. This is a bright-line rule with no exceptions for chaperoning, topic limitations, or issuer requests.
Concept Check

An issuer's CFO unintentionally reveals material earnings information to a group of buy-side analysts at a private dinner. Under Reg FD, the issuer must:

Unintentional selective disclosure under Reg FD must be corrected "promptly" โ€” defined as within 24 hours or before the next trading session opens. Buy-side analysts do NOT owe a duty of confidence that would exempt them from Reg FD.
Concept Check

A banker working on a live M&A deal wants to share details with the firm's equity trading desk. This is:

Information barriers ("Chinese walls") exist precisely to prevent MNPI from flowing between the investment banking division and the trading desk. Sharing deal details would expose the firm to insider trading liability.
Concept Check

Under Reg FD, which of the following is exempt from the fair disclosure requirement?

Reg FD exempts communications with persons who owe a duty of trust or confidence โ€” rating agencies, legal counsel, accountants, and parties to registered offerings. Buy-side analysts, sell-side analysts, and journalists are NOT exempt.
Concept Check

When a compliance officer brings a potential buyer "over the wall" to evaluate an M&A transaction, the buyer must:

Wall crossing requires documentation of: who was crossed, when, what MNPI was shared, and acknowledgment of trading restrictions. The person remains restricted until public disclosure or deal abandonment.
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