Rule 10b5-1 Trading Plans: How They Work and What Changed in 2022

Key Takeaways

Direct answer: A Rule 10b5-1 trading plan is a written, pre-scheduled arrangement an insider adopts while not in possession of material nonpublic information, which then buys or sells a set amount of stock on a fixed schedule or formula without further discretion, providing an affirmative defense against insider-trading liability. The SEC's December 2022 amendments added mandatory cooling-off periods, a good-faith certification requirement, limits on overlapping plans, and new public disclosure rules, including a checkbox on Form 4.

• A properly adopted and followed 10b5-1 plan is an affirmative defense, not blanket immunity — it must be entered into in good faith while the insider has no material nonpublic information.
• The 2022 amendments (SEC Release No. 33-11138) added a mandatory cooling-off period before a new or modified plan can begin trading: 90 to 120 days for officers and directors, 30 days for the issuer itself.
• Officers and directors must now certify at adoption that they are acting in good faith and are not aware of material nonpublic information.
• Item 408 of Regulation S-K requires quarterly disclosure of 10b5-1 plan adoption, modification, and termination, and Form 4/Form 5 now carry a checkbox identifying 10b5-1 plan trades.
• A sale executed under a 10b5-1 plan was scheduled well in advance and generally shouldn't be read with the same weight as a discretionary, in-the-moment sale.

What Is a Rule 10b5-1 Trading Plan?

Rule 10b5-1, adopted by the SEC in 2000, addresses a specific tension in insider-trading law: officers, directors, and large shareholders routinely need to buy or sell their own company's stock for entirely ordinary reasons — funding a home purchase, diversifying a concentrated position, covering taxes owed on vested equity — but those same insiders are, by virtue of their role, more likely than the average trader to be sitting on material nonpublic information at any given moment. A trading plan adopted under the rule lets an insider pre-commit to a trading schedule or formula while not in possession of material nonpublic information, and the resulting trades then execute automatically later, even if the insider subsequently learns something that would otherwise make trading illegal at that moment.

A qualifying plan typically specifies one of three things: a fixed schedule of dates and share amounts, a formula (such as "sell 5,000 shares on the first trading day of each month"), or delegation of trading discretion entirely to an independent broker who has no knowledge of material nonpublic information and does not consult the insider about individual trade decisions. Once adopted correctly, the insider is not permitted to exercise further discretion over the trades — deviating from the plan, or having the ability to influence its execution, can void the affirmative defense entirely.

Common mistake

The common mistake is assuming a 10b5-1 plan is a special account type or a product a broker sells. It is a legal framework — a contract or set of instructions — layered on top of an insider's ordinary brokerage relationship, adopted specifically to satisfy the conditions of the rule.

How Do the 2022 SEC Amendments Change 10b5-1 Plans?

In December 2022, the SEC adopted amendments to Rule 10b5-1 (Release No. 33-11138) after years of criticism that the original rule was too easy to use opportunistically — adopting or modifying a plan shortly before good or bad news, for example, or running several overlapping plans to selectively cancel the less favorable one. The amendments layer new conditions onto the existing affirmative defense rather than replacing it.

Mandatory cooling-off period

A new or modified plan can no longer start trading immediately. For officers and directors, trading cannot begin until the later of 90 days after the plan is adopted or modified, or two business days following the filing of the issuer's periodic report (Form 10-Q or 10-K) covering the fiscal quarter in which the plan was adopted — capped at a maximum of 120 days. For the issuer trading its own stock, the cooling-off period is a flat 30 days. The rule does not impose this mandatory waiting period on insiders who are not officers or directors, though many companies apply similar cooling-off requirements to all insiders as a matter of internal policy.

Good-faith certification

Officers and directors must certify, at the time they adopt a plan, that they are not aware of material nonpublic information about the issuer or its securities, and that they are adopting the plan in good faith and not as part of a scheme to evade the prohibitions of Rule 10b-5. The amendments also clarified that the "good faith" requirement runs for the entire life of the plan, not just at the moment of adoption — an insider who influences or overrides the plan's mechanics after the fact can still lose the affirmative defense.

Limits on overlapping and single-trade plans

The amendments generally restrict an insider from having multiple overlapping 10b5-1 plans covering open-market trades in the same class of securities at the same time, with narrow exceptions (such as a plan authorizing sell-to-cover transactions to satisfy tax withholding on vesting equity). Insiders other than the issuer are also generally limited to one single-trade plan in any 12-month period, closing a loophole where a series of single-trade plans could otherwise function like a string of individually timed trades dressed up as a plan.

Common mistake

The common mistake is treating the cooling-off period as the only new requirement. The certification, the good-faith duration, and the limits on overlapping and single-trade plans are separate conditions that all apply simultaneously — a plan can satisfy the cooling-off period and still fail to qualify for the affirmative defense if one of the other conditions isn't met.

What Is Item 408 Disclosure?

Alongside the plan-mechanics changes, the 2022 amendments added Item 408 to Regulation S-K, a new public disclosure requirement layered on top of the existing Form 4 filing regime. Item 408 requires an issuer to disclose, in its quarterly report (or annual report for the fourth quarter), whether any director or officer adopted, modified, or terminated a Rule 10b5-1 trading plan — or another written trading arrangement not structured to meet the rule's conditions — during that quarter. The disclosure covers the material terms of the arrangement, including its duration and the total amount of securities to be traded under it, but explicitly excludes the trade price, which stays out of the periodic-report disclosure. Item 408 separately requires annual disclosure of whether the company has adopted insider-trading policies and procedures, and if not, why not.

The Form 4 and Form 5 checkbox

To make individual transactions traceable to a qualifying plan, the amendments also added a checkbox to Form 4 and Form 5 that an insider marks when a reported transaction was made pursuant to a Rule 10b5-1(c) trading plan, along with the date the plan was adopted. This is the fastest way to spot a plan-driven trade directly on the filing itself, without waiting for the issuer's next quarterly Item 408 disclosure.

Why Shouldn't a Plan-Driven Sale Be Read the Same as a Discretionary Sale?

A sale executed under a 10b5-1 plan was committed to weeks or months before it actually happens, at a moment when the insider may have had no particular view on the stock at all — the plan might exist purely to diversify a concentrated position or fund a predictable expense. By the time the trade prints on a Form 4, the market context that originally motivated the plan may no longer apply, and the insider generally has no ability to cancel or delay an individual trade in reaction to current news without terminating the entire plan and restarting the cooling-off clock.

A discretionary, non-plan sale carries the opposite property: it reflects a decision made close to the moment it's reported, informed by whatever the insider currently believes about the company. Reading a scheduled 10b5-1 sale with the same weight as a fresh discretionary sale overstates how much information the transaction actually carries. The Form 4 checkbox described above is precisely the tool that lets a reader make this distinction directly from the filing, rather than guessing.

Common mistake

The common mistake is assuming the reverse is also safe: that a transaction without the 10b5-1 checkbox marked is automatically a pure, high-conviction discretionary trade. It may simply be an unplanned but still routine transaction, such as an option exercise or a tax-withholding sale tied to vesting; the checkbox tells you plan status, not motive.

Worked Example: Reading a Plan-Driven Sale on Form 4

Illustrative example using placeholder figures — for education only.

Assume a company's chief financial officer files a Form 4 reporting the sale of 8,000 shares at $64.20, transaction code S (open-market sale), with the 10b5-1 plan checkbox marked and a plan adoption date listed as five months earlier.

Step 1 — Confirm the plan checkbox and adoption date. The checkbox itself confirms this is a plan-driven transaction, and the five-month gap between adoption and this trade comfortably clears the 90-day (or later, quarterly-report-linked) cooling-off period that applies to officers, so the trade is consistent with a properly aged plan rather than one rushed into effect just before trading.

Step 2 — Check the issuer's own Item 408 disclosure. The company's most recent 10-Q lists the CFO's plan adoption, its duration (12 months), and the total shares authorized under it (96,000), but not the price. Cross-referencing this confirms the 8,000-share sale is one scheduled tranche within a larger, previously disclosed plan rather than an isolated event.

Step 3 — Weigh it accordingly. Because the sale is plan-driven, aged past the cooling-off period, and consistent with the issuer's own disclosed plan terms, it should be treated as a low-information, largely mechanical transaction — evidence of a pre-existing diversification or liquidity plan, not a fresh signal about the CFO's current view of the stock.

Contrast. If the same 8,000-share sale had no checkbox marked and no matching Item 408 disclosure, it would instead read as a discretionary, in-the-moment decision, and would warrant more scrutiny of its timing relative to recent company news or an upcoming earnings release.

Misconceptions Versus Reality

Risks, Limitations, and Exceptions

• The affirmative defense is not automatic — a plan adopted, modified, or operated in bad faith, or one where the insider retained undisclosed discretion, can fail to qualify even with the checkbox marked.
• Smaller reporting companies and other issuers were subject to a later compliance date for the 2022 amendments than larger accelerated filers; a plan adopted near the transition can require checking which rule set applied at the time.
• Not every trading arrangement described informally as a "10b5-1 plan" actually meets the rule's conditions; Item 408 disclosure also covers non-qualifying written trading arrangements separately.
• The rule addresses only the affirmative defense against insider-trading liability under Rule 10b-5; it does not override a company's own internal insider-trading policy, which can be more restrictive.
• This guide describes the amended rule's general structure as of mid-2026; always check an issuer's own disclosures and the current text of Rule 10b5-1 for a specific plan's details.

Practical Implementation Checklist

1. When reading a Form 4, check the 10b5-1 plan checkbox and the listed plan adoption date before treating the transaction as a signal.
2. Confirm the adoption date is old enough to have cleared the applicable cooling-off period rather than sitting suspiciously close to the trade date.
3. Cross-reference the issuer's most recent 10-Q or 10-K Item 408 disclosure for the plan's duration and total authorized shares.
4. Weight plan-driven trades as lower-information relative to unchecked, discretionary transactions when assessing insider sentiment.
5. Watch for a cluster of newly adopted plans immediately following a stock decline or ahead of an anticipated announcement, which can itself be a separate item worth noting even though each individual future trade will be plan-driven.

Frequently Asked Questions

Sources and Methodology

This guide describes Rule 10b5-1 and its 2022 amendments based on the SEC's official rulemaking release and codified rule text as of mid-2026. Key sources include:

• SEC Release No. 33-11138, "Insider Trading Arrangements and Related Disclosures": sec.gov — the SEC's final rule adopting the 2022 amendments to Rule 10b5-1, including the cooling-off period, certification requirement, and Item 408 disclosure.
• 17 CFR 240.10b5-1 — Rule 10b5-1: ecfr.gov — the current codified text of the rule.
• 17 CFR 229.408 — Item 408 of Regulation S-K: ecfr.gov — the codified text of the periodic disclosure requirement for trading plans.

This content was reviewed by the Swoopr Editorial Team in August 2026 and reflects publicly available SEC rule text at that time. Rule interpretations and compliance dates can vary by issuer size and filer status; always confirm current requirements against the SEC's own published guidance.

Conclusion

A Rule 10b5-1 trading plan lets an insider pre-commit to a trading schedule while not in possession of material nonpublic information, trading the flexibility of a discretionary decision for legal protection and a predictable, automatic execution schedule. The SEC's 2022 amendments made the plans harder to game — through mandatory cooling-off periods, good-faith certification, and limits on overlapping plans — and made plan-driven trades far easier to identify directly on Form 4 and in an issuer's quarterly Item 408 disclosure. Reading that checkbox before weighing an insider sale as a signal is one of the simplest, highest-value habits in interpreting insider filings correctly.

Related Reading

• Insider Transactions: A Complete Guide to Forms 3, 4 & 5 — the parent hub for this cluster, covering the full filing regime these plans sit within.
• Direct vs. Indirect Beneficial Ownership — how a Form 4 reports the different ways an insider can hold shares.
• Form 4 Transaction Codes Explained — how to read the transaction code that appears alongside the 10b5-1 checkbox on every Form 4.
• How to Interpret Insider Selling — the broader framework for weighing insider sales as a sentiment signal, including plan-driven versus discretionary sales.
• Insider Buying and Selling Signals — how insider transactions, including 10b5-1 plan trades, fit into a broader sentiment-reading framework.