Overlapping 10b5-1 plans are generally not permitted for open-market trades in the same class of securities, and the affirmative defense is available for only one single-trade plan in any 12-month period. Sequential plans remain allowed, and sell-to-cover arrangements for tax withholding are excepted.
What the overlapping plan restriction says
Before the amendments, an insider could maintain several plans at once and let the outcomes determine which trades occurred. That flexibility was inconsistent with the idea of a binding pre-commitment, so the rule now denies the defense to a person who has multiple overlapping plans for open-market trades in the same class of securities.
Two structures remain available. Sequential plans are permitted if the later plan’s first trade cannot occur until after the earlier plan’s final trade, subject to the applicable cooling-off period. And plans covering different classes of securities are analyzed separately.
Note that plans at different brokers are not automatically separate. If two arrangements cover the same class of stock and their trading windows overlap, the restriction applies regardless of how many institutions are involved.
What counts as a single-trade plan
A single-trade plan is one designed to effect the purchase or sale of substantially all the securities covered in a single transaction. The defense is available for only one such plan in any consecutive 12-month period.
The reason is straightforward. A plan that produces exactly one trade looks a great deal like a discretionary sale with a waiting period attached, so the SEC limited how often insiders can rely on that structure.
Multi-trade plans are unaffected. A plan that sells in monthly tranches over a year is not a single-trade plan even if the total is large, which is another reason simple recurring schedules have become the default, as sale schedule design illustrates.
The sell-to-cover exception
Arrangements that exist solely to sell enough shares to satisfy tax withholding obligations arising from the vesting of compensation awards are excepted from both the overlapping plan restriction and the single-trade plan limit.
This is the exception that keeps ordinary equity compensation functional. An employee can have automatic sell-to-cover on RSU vests and a separate diversification plan without the two being treated as overlapping.
The exception is narrow. It covers withholding obligations, not discretionary sales sized to produce spending money, and it does not apply where the insider controls the timing of the sale.
How the restrictions play out in practice
Several common situations require a decision rather than a workaround.
- Two objectives, one position: funding a home purchase and diversifying at the same time. The answer is one plan with two tranches, not two plans.
- Legacy arrangements: an older plan at a former broker that was never formally terminated can create an overlap problem. Confirm what is actually still in force.
- Trust and family accounts: shares held by entities you control may be aggregated with yours. Ask counsel how the company treats them.
- A large one-time sale: permitted once per 12 months as a single-trade plan, so use it deliberately rather than by default.
- Gifts: bona fide gifts are reported and are not a substitute for plan sales, though they can reduce the position without a market trade.
The consolidation exercise is worth doing before adopting anything new, ideally alongside a review of your full equity picture such as whether a plan is warranted at your level in the first place.
Sequencing plans correctly
The clean structure is a chain: plan A runs to its final trade date, plan B is adopted during an open window with a first trade date after plan A ends and after the cooling-off period expires. Nothing overlaps, and no modification occurs.
Timing requires attention because the cooling-off period for directors and officers can extend to 120 days. Adopting the replacement plan roughly a quarter before the current plan expires usually avoids a gap in coverage, and the mechanics are covered in the amended cooling-off and certification rules.
If you must stop a plan early, understand that termination is treated seriously and disclosed, which is why the consequences of cancelling a plan should be understood before you adopt one at all.
Building one plan that does several jobs
Since you get one plan, it has to carry every objective. The practical approach is to divide the shares into named tranches inside a single document: a diversification tranche selling on fixed dates, a funding tranche sized to a known expense with dates tied to when the cash is needed, and if desired a conditional tranche that sells only above a threshold.
Write the tranches so they cannot conflict. Each should reference a distinct block of shares and its own dates, so the broker never has to decide which instruction governs. If two objectives genuinely require different timing, the sequential structure is the answer, with the second plan adopted only after the first has finished trading.
The bottom line on overlapping and single-trade plans
You get one open-market plan at a time in a given class of stock, and one single-trade plan per 12 months. Sequential plans are the sanctioned way to keep selling continuously, and sell-to-cover arrangements for tax withholding sit outside both limits. Inventory every existing arrangement before adopting a new one, then build a single plan with multiple tranches instead of several plans with competing terms.
Can I have separate plans at two different brokers?
Not for open-market trades in the same class of securities during overlapping periods. The restriction looks at the plans, not the institutions, so two brokers do not create two independent arrangements.
What is a sequential plan?
A later plan whose first trade can only occur after the final trade of the earlier plan, subject to the applicable cooling-off period. This is the permitted way to maintain continuous selling without holding overlapping plans.
Does the single-trade plan limit apply to companies?
No. The single-trade plan limitation and the overlapping plan restriction apply to persons other than the issuer. Company repurchase programs are governed by separate rules and disclosure requirements.
Is automatic sell-to-cover on my RSU vests a plan?
It is an arrangement, but one that is excepted from the overlapping and single-trade limits when it exists solely to satisfy tax withholding on vesting awards. You can generally maintain it alongside a diversification plan.
This article is for general educational purposes only and is not tax, legal, or investment advice. Equity-compensation and wealth-planning rules are complex and depend on your specific situation; consult a qualified tax professional or financial advisor before acting.
