SEC Form 4 · accession 0001193125-26-295150
Shattuck Labs, Inc. · STTK
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Abhinav A. Shukla
Officer — Chief Technical Officer
Period of report
Jun 30, 2026
Accepted (ET)
Jul 2, 2026 · 8:17 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001680367
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Jun 30, 2026 | M | 23,365 | $3.57 | A | 109,745 | D | |
| Common StockF2 | Jun 30, 2026 | S | 23,365 | $7.08 | D | 86,380 | D | |
| Common Stock | Jul 1, 2026 | M | 100 | $3.57 | A | 86,480 | D | |
| Common Stock | Jul 1, 2026 | S | 100 | $7.07 | D | 86,380 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (Right to Buy)F3 | $3.57 | Jun 30, 2026 | M | 23,365 | D | — | Jan 25, 2033 | Common Stock | 23,365 | 26,803 | D |
| Stock Option (Right to Buy)F3 | $3.57 | Jul 1, 2026 | M | 100 | D | — | Jan 25, 2033 | Common Stock | 100 | 26,703 | D |
Explanation of responses
- F1Sale 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.
- F2The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $7.00 to $7.41, 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.
- F3This 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.