Shattuck CTO exercises options, sells 410 shares
Shattuck Labs Chief Technical Officer Abhinav A. Shukla reported option exercises and a small share sale in Common Stock.
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Form Type
4
Rhea-AI Filing Summary
Shattuck Labs Chief Technical Officer Abhinav A. Shukla reported option exercises and a small share sale in Common Stock. He exercised options to acquire 12,563 shares at $3.57 per share in two transactions and now holds 98,533 Common shares directly.
Shukla also sold 410 shares of Common Stock at a weighted average price of $7.01 per share, with individual sale prices ranging from $7.00 to $7.03. The sale was made under a pre-arranged Rule 10b5-1 trading plan designed to fund option exercise costs and related tax withholding. Following these transactions, he also holds 14,140 stock options with a $3.57 exercise price, expiring on January 25, 2033.
Insider Trade Summary 10b5-1
Exercise and sale activity reported; no spread calculated
Exercise and Sale
5 txns
Insider
Shukla Abhinav A.
Role
Chief Technical Officer
Sold
410 shs ($3K)
Approx. gross sale proceeds
$3K
Approx. exercise cost
$45K
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Stock Option (Right to Buy) | 12,153 | $0.00 | $0.00 |
| Exercise | Common Stock | 12,153 | $3.57 | $43K |
| Exercise | Stock Option (Right to Buy) | 410 | $0.00 | $0.00 |
| Exercise | Common Stock | 410 | $3.57 | $1K |
| Sale | Common Stock | 410 | $7.01 | $3K |
Holdings After Transaction:
Stock Option (Right to Buy) — 14,140 contracts (Direct);
Common Stock — 98,533 shares (Direct)
Footnotes (3)
- F1. Sale of shares effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 2, 2026. The plan is intended to execute sales of shares received upon option exercise only as needed to fund the exercise price and estimated tax withholding associated with option exercises under the plan. Under the procedures of the administering broker, acquired shares are first sold to fund the aggregate exercise price and estimated tax withholding with respect to all possible option exercises in a particular order under the plan and only once fully funded will acquired shares be held by the Reporting Person. This transaction represents the final sale of shares needed to fully fund the exercise price and estimated tax withholding for the option exercises under this order of the plan and the remaining shares acquired upon exercise under this order will be held by the Reporting Person.
- F2. The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $7.000 to $7.030, inclusive. The reporting person undertakes to provide to 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 the range.
- F3. This option represents a right to purchase a total of 52,200 shares of the Issuer's common stock, one quarter of which will vest on January 25, 2024, with the remaining three quarters vesting in equal monthly installments through January 25, 2027, subject to the Reporting Person's continued service to the Issuer.
Key Figures
Options exercised: 12,563 shares
Exercise price: $3.57/share
Shares sold: 410 shares
+5 more
8 metrics
Options exercised
12,563 shares
Common Stock acquired via option exercises at $3.57 per share
Exercise price
$3.57/share
Stock Option (Right to Buy) conversion or exercise price
Shares sold
410 shares
Open-market sale of Common Stock on 2026-07-02
Weighted average sale price
$7.01/share
Sales executed between $7.00 and $7.03 per share
Shares after transactions
98,533 shares
Common Stock directly owned following reported transactions
Options remaining
14,140 options
Stock Option (Right to Buy) balance after exercises
Option grant size
52,200 shares
Total shares covered by referenced option grant, subject to vesting
Option expiration
January 25, 2033
Expiration date of the Stock Option (Right to Buy)
Key Terms
Rule 10b5-1 trading plan, weighted average price, Stock Option (Right to Buy), vesting, +1 more
5 terms
Rule 10b5-1 trading plan regulatory
"Sale of shares effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person..."
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
weighted average price financial
"The price reported above is a weighted average price. The shares were sold in multiple transactions..."
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.
Stock Option (Right to Buy) financial
"Stock Option (Right to Buy) ... conversion or exercise price $3.5700 ... underlying Common Stock"
vesting financial
"one quarter of which will vest on January 25, 2024, with the remaining three quarters vesting in equal monthly installments..."
Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.
estimated tax withholding financial
"intended to execute sales of shares received upon option exercise only as needed to fund the exercise price and estimated tax withholding..."
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