Updated Jul 16, 2026 · Last SEC filing 2026-06-18
Strata Critical Medical, Inc. (SRTA) has filed 15 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-18. 2 Form 8-K material event filings were reported by SRTA in the last 90 days. 1 Form 144 notices of proposed sale were filed for SRTA stock. InsiderAlpha tracks every SRTA SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Services-Health Services (SIC 8000) |
|---|---|
| SEC CIK | 0001779128 |
| Form 4 filings (90d) | 15 |
|---|---|
| Form 8-K filings (90d) | 2 |
| Form 144 notices (90d) | 1 |
| Latest Form 4 filing | 2026-06-18 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Tomkiel Melissa M. | Co-CEO and General Counsel | S — Open-market sale | 29.7K | $5.87 | $175K | SEC | |
| Cohen Amir | Chief Accounting Officer | S — Open-market sale | 4.7K | $5.87 | $27K | SEC | |
| Heyburn William A. | Co-CEO and CFO | S — Open-market sale | 31.7K | $5.87 | $186K | SEC | |
| Wunsch Scott M | CEO, Logistics | F — Tax withholding / forfeiture | 5.5K | $5.87 | $33K | SEC | |
| Tomkiel Melissa M. | Co-CEO and General Counsel | F — Tax withholding / forfeiture | 29.7K | $5.87 | $175K | SEC | |
| Heyburn William A. | Co-CEO and CFO | F — Tax withholding / forfeiture | 31.7K | $5.87 | $186K | SEC | |
| Cohen Amir | Chief Accounting Officer | F — Tax withholding / forfeiture | 4.7K | $5.87 | $27K | SEC | |
| Wunsch Scott M | CEO, Logistics | S — Open-market sale | 5.5K | $5.87 | $33K | SEC | |
| Cohen Amir | Chief Accounting Officer | S — Open-market sale | 40.6K | $5.91 | $240K | SEC | |
| Cohen Amir | Chief Accounting Officer | S — Open-market sale | 10.3K | $5.79 | $60K | SEC | |
| Cohen Amir | Chief Accounting Officer | S — Open-market sale | 14.3K | $5.79 | $83K | SEC | |
| Cohen Amir | Chief Accounting Officer | F — Tax withholding / forfeiture | 41.0K | $4.92 | $202K | SEC | |
| Tomkiel Melissa M. | Co-CEO and General Counsel | F — Tax withholding / forfeiture | 321.8K | $4.92 | $1.58M | SEC | |
| Heyburn William A. | Co-CEO and CFO | F — Tax withholding / forfeiture | 301.7K | $4.92 | $1.48M | SEC | |
| Wunsch Scott M | CEO, Logistics | F — Tax withholding / forfeiture | 13.9K | $4.92 | $68K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Strata Critical Medical, Inc. (SRTA). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Cohen Amir | 7 | $638K |
| Tomkiel Melissa M. | 4 | $1.93M |
| Heyburn William A. | 4 | $1.86M |
| Wunsch Scott M | 4 | $134K |
| Krstic Velibor | 1 | — |
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 SRTA 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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