Companies / Shattuck Labs, Inc.
Shattuck Labs, Inc.
Nasdaq: STTKCIK 1680367AUSTIN, TX
Financials · FY2025
Ownership
100.4M shares outstanding · as of Aug 7, 2026
Ownership
| Insiders | 0.54% | 546,832 |
| 10%+ / strategic | 7.35% | 7,373,891 |
| Institutions | 44.84% | 45,000,806 |
| Public float | 47.27% | 47,441,724 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 10
View all →| Insider | % of shares | Shares |
|---|---|---|
Siegall Clay BDirector | 0.32% | 318,608 |
Neill Andrew RChief Financial Officer | 0.23% | 228,224 |
Pandite Arundathy N.FormerChief Medical Officer | 0.20% | 196,219 |
Stout StephenFormerSee Remarks | 0.08% | 81,529 |
DeYoung CasiFormerChief Business Officer | 0.07% | 73,480 |
Orbimed Advisors LLCFormerDirector | — | — |
OrbiMed Capital GP IX LLCFormerDirector | — | — |
OrbiMed Genesis GP LLCFormerDirector | — | — |
Schreiber TaylorCEOChief Executive Officer · Director | — | — |
Shukla Abhinav A.FormerChief Technical Officer | — | — |
Institutional holders 70
View all →| Holder | Value | % of shares |
|---|---|---|
| $40.55M | 6.28% | |
| $29.87M | 4.63% | |
| $27.31M | 3.92% | |
| $20.22M | 5.52% | |
| $11.50M | 3.14% | |
| $9.49M | 1.47% | |
| $8.69M | 2.37% | |
| $8.68M | 2.37% | |
| $7.12M | 1.02% | |
| $5.07M | 1.38% |
Activity
InsidersInstitutions
What insiders are doing in this stock (Form 4).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Jun 9, 2026 | Siegall Clay B Director | Buy | Common Stock | $250.0K | +63K +24.40% | 318,608 0.32% of shares | medium |
| May 22, 2026 | Siegall Clay B Director | Grant | Common Stock | $138.9K | +128K +100.00% | 256,108 0.26% of shares | low |
| Jan 10, 2026 | Pandite Arundathy N. Executive | Other | Common Stock | $32.5K | -7K -3.32% | 199,414 0.20% of shares | low |
| Jan 10, 2026 | Neill Andrew R Executive | Other | Common Stock | $31.6K | -7K -2.80% | 230,813 0.23% of shares | low |
| Jan 10, 2026 | DeYoung Casi Executive | Other | Common Stock | $27.1K | -6K -7.00% | 75,766 0.08% of shares | low |
| Jan 10, 2026 | Stout Stephen Executive | Other | Common Stock | $19.7K | -4K -4.81% | 82,122 0.08% of shares | low |
| Jan 25, 2026 | Pandite Arundathy N. Executive | Other | Common Stock | $13.3K | -3K -1.60% | 196,219 0.20% of shares | low |
| Jan 25, 2026 | Neill Andrew R Executive | Other | Common Stock | $10.7K | -3K -1.12% | 228,224 0.23% of shares | low |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| T. Rowe Price Investment Management, Inc. | Passive13G | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| STTK | Common Stock | 82024L103 |