Updated Jul 16, 2026
Heyburn William A. has filed 3 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $734K.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-18 | SRTA | Strata Critical Medical, Inc. | F — Tax withholding / forfeiture | 31.7K | $5.87 | $186K |
| 2026-06-10 | SRTA | Strata Critical Medical, Inc. | S — Open-market sale | 31.7K | $5.87 | $186K |
| 2026-04-27 | SRTA | Strata Critical Medical, Inc. | F — Tax withholding / forfeiture | 301.7K | $4.92 | $1.48M |
| 2026-04-27 | SRTA | Strata Critical Medical, Inc. | A — Grant or award | 545.6K | $0.00 | |
| 2026-03-10 | SRTA | Strata Critical Medical, Inc. | F — Tax withholding / forfeiture | 31.3K | $4.54 | $142K |
| 2025-09-10 | SRTA | Strata Critical Medical, Inc. | F — Tax withholding / forfeiture | 35.3K | $4.00 | $141K |
| 2025-08-01 | SRTA | Strata Critical Medical, Inc. | S — Open-market sale | 46.9K | $4.94 | $232K |
| 2025-08-01 | SRTA | Strata Critical Medical, Inc. | F — Tax withholding / forfeiture | 76.2K | $3.99 | $304K |
| 2025-08-01 | SRTA | Strata Critical Medical, Inc. | A — Grant or award | 139.3K | $0.00 | |
| 2024-12-23 | SRTA | Strata Critical Medical, Inc. | M — Option exercise | 25.3K | $0.18 | $5K |
| 2024-12-11 | SRTA | Strata Critical Medical, Inc. | F — Tax withholding / forfeiture [10b5-1] | 35.3K | $4.72 | $167K |
| 2024-12-11 | SRTA | Strata Critical Medical, Inc. | S — Open-market sale [10b5-1] | 39.3K | $5.02 | $197K |
| 2024-12-03 | SRTA | Strata Critical Medical, Inc. | S — Open-market sale [10b5-1] | 23.8K | $5.02 | $120K |
| 2024-11-19 | SRTA | Strata Critical Medical, Inc. | M — Option exercise | 24.7K | $0.18 | $4K |
Heyburn William A. is a corporate insider — currently tracked as Co-CEO and CFO, Director of Strata Critical Medical, Inc. (SRTA). InsiderAlpha tracks every SEC Form 4 filing in real time.
3 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 4 open-market sales ($734K) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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