Updated Jul 16, 2026 · Last SEC filing 2026-07-07
Shattuck Labs, Inc. (STTK) has filed 22 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-07. 4 Form 8-K material event filings were reported by STTK in the last 90 days. 5 Form 144 notices of proposed sale were filed for STTK stock. InsiderAlpha tracks every STTK SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0001680367 |
|---|
| Form 4 filings (90d) | 22 |
|---|---|
| Form 8-K filings (90d) | 4 |
| Form 144 notices (90d) | 5 |
| Latest Form 4 filing | 2026-07-07 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Shukla Abhinav A. | Chief Technical Officer | M — Option exercise | 12.2K | $3.57 | $43K | SEC | |
| Shukla Abhinav A. | Chief Technical Officer | M — Option exercise | 410 | $3.57 | $1K | SEC | |
| Shukla Abhinav A. | Chief Technical Officer | S — Open-market sale | 410 | $7.01 | $3K | SEC | |
| Shukla Abhinav A. | Chief Technical Officer | S — Open-market sale | 100 | $7.07 | $707 | SEC | |
| Shukla Abhinav A. | Chief Technical Officer | M — Option exercise | 100 | $3.57 | $357 | SEC | |
| Shukla Abhinav A. | Chief Technical Officer | M — Option exercise | 23.4K | $3.57 | $83K | SEC | |
| Shukla Abhinav A. | Chief Technical Officer | S — Open-market sale | 23.4K | $7.08 | $165K | SEC | |
| Pandite Arundathy N. | Chief Medical Officer | S — Open-market sale | 30.0K | $7.01 | $210K | SEC | |
| SIEGALL CLAY B | Insider | P — Open-market purchase | 62.5K | $4.00 | $250K | SEC | |
| SIEGALL CLAY B | Insider | A — Grant or award | 128.1K | $1.08 | $139K | SEC | |
| Shukla Abhinav A. | Chief Technical Officer | A — Grant or award | 5.1K | $1.08 | $6K | SEC | |
| Stout Stephen | See Remarks | A — Grant or award | 12.8K | $1.08 | $14K | SEC | |
| Shukla Abhinav A. | Chief Technical Officer | S — Open-market sale | 2.0K | $7.01 | $14K | SEC | |
| Neill Andrew R | Chief Financial Officer | A — Grant or award | 64.0K | $1.08 | $69K | SEC | |
| Shukla Abhinav A. | Chief Technical Officer | M — Option exercise | 2.0K | $3.57 | $7K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Shattuck Labs, Inc. (STTK). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Shukla Abhinav A. | 16 | $325K |
| Ashiya Mona | 7 | — |
| ORBIMED ADVISORS LLC | 6 | — |
| SIEGALL CLAY B | 4 | $389K |
| Stout Stephen | 3 | $21K |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in STTK insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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