InsiderDirector
Clay B Siegall Insider Trading Activity
Every SEC Form 4 transaction reported by Clay B Siegall, sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Is Clay B Siegall buying or selling?
Clay B Siegall reported 10 open-market buys ($7.5M) and 61 sells ($170.6M) across 71 Form 4 filings at 4 companies — a net selling position of $163.1M.
Source: SEC EDGAR Form 4
What stands out
- Clay B Siegall has reported Form 4 transactions at 4 companies; the most active, SEATTLE GENETICS INC /WA (SGEN), accounts for 60 of 71 filings (85%).
- The most recent Form 4 was accepted on Jun 11, 2026 (4 months ago).
- In the last 12 months: 5 open-market purchases ($2.0M) and no sales.
- The largest open-market purchase in the last 12 months was $1000.0K of Immunome Inc. (IMNM) on Dec 18, 2025. SEC ↗
Key Statistics (as of Jun 11, 2026)
Total Form 4 filings
71
SEC EDGAR
Companies
4
Buys (10)
$7.5M
Sells (61)
$170.6M
Insider sentiment
Net sellingNet insider flow of $163.1M in net selling, filed between Jan 17, 2018 – Jun 11, 2026.
Companies Clay B Siegall files for
Recent Clay B Siegall transactions
| Date | Ticker | Role | Type | Shares | Value | Filing |
|---|---|---|---|---|---|---|
| Jun 11, 2026 | STTK | Director | Purchase | 62.5K | $250.0K | SEC ↗ |
| Mar 31, 2026 | IMNM | President and CEO | Purchase | 25.4K | $500.6K | SEC ↗ |
| Dec 30, 2025 | IMNM | President and CEO | Purchase | 4.7K | $100.0K | SEC ↗ |
| Dec 22, 2025 | IMNM | President and CEO | Purchase | 7.3K | $149.1K | SEC ↗ |
| Dec 18, 2025 | IMNM | President and CEO | Purchase | 46.5K | $1000.0K | SEC ↗ |
| Mar 26, 2025 | IMNM | President and CEO | Purchase | 137.1K | $999.5K | SEC ↗ |
| Feb 4, 2025 | IMNM | President and CEO | Purchase | 150.0K | $1.2M | SEC ↗ |
| Nov 25, 2024 | IMNM | President and CEO | Purchase | 100.0K | $962.2K | SEC ↗ |
| May 21, 2024 | IMNM | President and CEO | Purchase | 100.0K | $1.4M | SEC ↗ |
| Oct 4, 2023 | IMNM | President and CEO | Purchase | 169.2K | $1000.0K | SEC ↗ |
| May 13, 2022 | SGEN | President & CEO | Sale | 17.0K | $2.1M | SEC ↗ |
| Apr 23, 2022 | SGEN | President & CEO | Sale | 1.9K | $272.0K | SEC ↗ |
| Apr 9, 2022 | SGEN | President and CEO | Sale | 17.0K | $2.6M | SEC ↗ |
| Mar 10, 2022 | SGEN | President & CEO | Sale | 17.0K | $2.3M | SEC ↗ |
| Feb 10, 2022 | SGEN | President & CEO | Sale | 17.0K | $2.4M | SEC ↗ |
| Jan 12, 2022 | SGEN | President & CEO | Sale | 17.0K | $2.5M | SEC ↗ |
| Dec 22, 2021 | SGEN | President & CEO | Sale | 1.2K | $183.9K | SEC ↗ |
| Dec 9, 2021 | SGEN | President & CEO | Sale | 45.4K | $6.8M | SEC ↗ |
| Sep 2, 2021 | SGEN | President & CEO | Sale | 14.4K | $2.4M | SEC ↗ |
| Sep 1, 2021 | SGEN | President and CEO | Sale | 60.4K | $10.1M | SEC ↗ |
| Aug 19, 2021 | SGEN | President & CEO | Sale | 2.8K | $431.1K | SEC ↗ |
| Aug 7, 2021 | SGEN | President & CEO | Sale | 29.4K | $4.8M | SEC ↗ |
| Jul 7, 2021 | SGEN | President and CEO | Sale | 29.4K | $4.6M | SEC ↗ |
| Jun 5, 2021 | SGEN | President and CEO | Sale | 29.4K | $4.2M | SEC ↗ |
| May 7, 2021 | SGEN | President and CEO | Sale | 29.4K | $4.0M | SEC ↗ |
Showing the 25 most recent filings of 71. Screen every filing.
Clay B Siegall insider trading FAQ
Is Clay B Siegall buying or selling?
Across 71 SEC Form 4 filings, Clay B Siegall reported 10 open-market purchases totaling $7.5M and 61 sales totaling $170.6M — a net selling position of $163.1M.
Which companies does Clay B Siegall file Form 4s for?
Clay B Siegall has reported insider transactions at 4 companies, most often SEATTLE GENETICS INC /WA (SGEN), Immunome Inc. (IMNM), Ultragenyx Pharmaceutical Inc. (RARE), Shattuck Labs, Inc. (STTK).
How far back does Clay B Siegall's filing history go?
Trabud holds Clay B Siegall's SEC Form 4 filings from Jan 17, 2018 – Jun 11, 2026, sourced directly from SEC EDGAR.
Where does Trabud get Clay B Siegall's insider trading data?
Directly from SEC EDGAR Form 4 filings. Every transaction on this page is a real filing accepted by the SEC, updated as new filings arrive.
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