Assembly Biosciences medical chief sells 2,564 shares
The Chief Medical Officer's sales were mandated to fund tax withholding under an administrative rule, rather than discretionary transactions.
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Form Type
4
Rhea-AI Filing Summary
Assembly Biosciences, Inc.'s Chief Medical Officer Anuj Gaggar reported a performance-based restricted stock unit award covering 13,705 shares; its performance-based vesting condition was achieved October 30, 2026. On November 2, 2026, he sold 2,564 shares at a weighted-average price of $19.6077 per share and 29 shares at $20.3480 per share. Both sales funded tax withholding through mandated sell-to-cover transactions and were not discretionary.
Insider Trade Summary
Net Seller: 2,593 shares
Net Sell
3 txns
Insider
Gaggar Anuj
Role
Chief Medical Officer
Sold
2,593 shs ($51K)
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Sale | Common Stock F2, F3 | 2,564 | $19.6077 | $50K |
| Sale | Common Stock F2, F4 | 29 | $20.348 | $590.09 |
| Grant/Award | Common Stock F1 | 13,705 | $0.00 | $0.00 |
Holdings After Transaction:
Common Stock — 53,800 shares (Direct)
Footnotes (4)
- F1. Represents shares of common stock issuable under a performance-based restricted stock unit award dated June 16, 2025. On October 30, 2026, the performance-based vesting condition was achieved. These shares of common stock vest in two equal installments, assuming continuous service on each vesting date, as follows: October 30, 2026 and October 30, 2027.
- F2. The sales reported on this Form 4 represent shares sold by the reporting person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units. The sales are mandated by an administrative rule adopted by the Compensation Committee of the Issuer's Board of Directors that requires the satisfaction of tax withholding obligations to be funded by a "sell-to-cover" transaction and do not represent discretionary transactions by the reporting person.
- F3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.28 to $20.27, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.
- F4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.30 to $20.37, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.
Key Figures
Shares covered by performance-based restricted stock unit award: 13,705 shares
Shares sold: 2,564 shares
Weighted-average sale price: $19.6077 per share
+2 more
5 metrics
Shares covered by performance-based restricted stock unit award
13,705 shares
Vesting condition achieved October 30, 2026
Shares sold
2,564 shares
November 2, 2026
Weighted-average sale price
$19.6077 per share
Sale of 2,564 shares on November 2, 2026
Shares sold
29 shares
November 2, 2026
Weighted-average sale price
$20.3480 per share
Sale of 29 shares on November 2, 2026
Key Terms
performance-based restricted stock unit award, sell-to-cover transaction, weighted average price, tax withholding obligations
4 terms
performance-based restricted stock unit award financial
"shares of common stock issuable under a performance-based restricted stock unit award"
A performance-based restricted stock unit award is a promise to give company shares to an employee or executive only if the business hits specific targets over a set period. Think of it as a conditional prize that vests like a savings plan: if agreed goals (such as revenue, profit, or stock performance) are met, the recipient receives the shares; if not, they get nothing. Investors pay attention because these awards align management incentives with company results and can affect share count, future earnings and executive behavior.
sell-to-cover transaction financial
"funded by a "sell-to-cover" transaction"
A sell-to-cover transaction is when a person granted company stock (for example as part of compensation or option exercise) immediately sells enough of those shares to pay required taxes or exercise costs and keeps the rest. Think of it like cashing part of a bonus to cover the tax bill; it provides necessary cash without the holder needing outside funds. Investors watch these sales because they increase trading volume and slightly reduce insider holdings, but they often reflect routine tax or cost management rather than a judgment on the company’s prospects.
weighted average price financial
"The price reported in Column 4 is a weighted average price."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
tax withholding obligations financial
"to cover tax withholding obligations in connection with the vesting and settlement"
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
When do Anuj Gaggar's performance-based ASMB RSUs vest?
The award was dated June 16, 2025, and its performance-based vesting condition was achieved October 30, 2026. The 13,705 shares vest in two equal installments on October 30, 2026 and October 30, 2027, assuming continuous service on each vesting date.
What price ranges applied to Anuj Gaggar's ASMB sales?
The 2,564-share sale was executed in multiple transactions at prices from $19.28 to $20.27 per share, inclusive. The 29-share sale was executed in multiple transactions at prices from $20.30 to $20.37 per share, inclusive.
AI-generated analysis. How Rhea-AI works. Not financial advice.
