Heyburn William A. — SEC Form 4 filings
SEC reporting owner CIK 1859732. 27 Form 4 filings on record with FilingPulse; latest filed 2026-09-10.
Transaction summary — filings shown
Covers all 27 filings on record, filed 2024-03-12 to 2026-09-10. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 1 leg across 1 filing — 17,000 shares, $76,044 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 11 legs across 9 filings — 432,093 shares, $1,915,981 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 36.
- Largest priced transaction: sale of 103,670 shares @ $5.02 ($520,517) in Strata Critical Medical, Inc., filed 2025-01-08.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Strata Critical Medical, Inc. (SRTA) | Co-CEO and CFO, Director | 27 | 1 leg · 17,000 sh · $76,044 | 11 legs · 432,093 sh · $1,915,981 | 36 |
Form 4 filings — Heyburn William A.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-10 | 4 | Strata Critical Medical, Inc. (SRTA) | Tax withholding (F): 31,671 @ $5.31 | EDGAR |
| 2026-08-03 | 4 | Strata Critical Medical, Inc. (SRTA) | Grant/award (A): 181,071 @ $0 · Grant/award (A): 179,160 @ $0 · Tax withholding (F): 199,209 @ $5.09 | EDGAR |
| 2026-06-18 | 4/A | Strata Critical Medical, Inc. (SRTA) | Tax withholding (F): 31,671 @ $5.87 | EDGAR |
| 2026-06-10 | 4 | Strata Critical Medical, Inc. (SRTA) | Sale (S): 31,671 @ $5.87 | EDGAR |
| 2026-04-27 | 4 | Strata Critical Medical, Inc. (SRTA) | Grant/award (A): 545,625 @ $0 · Tax withholding (F): 301,731 @ $4.92 | EDGAR |
| 2026-03-10 | 4 | Strata Critical Medical, Inc. (SRTA) | Tax withholding (F): 31,314 @ $4.54 | EDGAR |
| 2025-12-12 | 4 | Strata Critical Medical, Inc. (SRTA) | Tax withholding (F): 35,348 @ $4.38 | EDGAR |
| 2025-12-10 | 4 | Strata Critical Medical, Inc. (SRTA) | Purchase (P): 17,000 @ $4.47 | EDGAR |
| 2025-11-05 | 4 | Strata Critical Medical, Inc. (SRTA) | Grant/award (A): 181,072 @ $0 · Tax withholding (F): 100,133 @ $5.03 | EDGAR |
| 2025-09-12 | 4 | Strata Critical Medical, Inc. (SRTA) | Tax withholding (F): 35,348 @ $4 | EDGAR |
| 2025-08-05 | 4 | Blade Air Mobility, Inc. (BLDE) | Grant/award (A): 139,286 @ $0 · Tax withholding (F): 76,177 @ $3.99 · Sale (S): 46,918 @ $4.94 | EDGAR |
| 2025-06-11 | 4 | Blade Air Mobility, Inc. (BLDE) | Sale (S): 100,000 @ $4.07 · Tax withholding (F): 35,348 @ $3.80 | EDGAR |
| 2025-03-17 | 4 | Blade Air Mobility, Inc. (BLDE) | Grant/award (A): 222,857 @ $0 · Tax withholding (F): 124,396 @ $3.12 · Tax withholding (F): 35,679 @ $3.12 | EDGAR |
| 2025-01-08 | 4 | Blade Air Mobility, Inc. (BLDE) | Sale (S): 103,670 @ $5.02 · Sale (S): 900 @ $5.00 · Option exercise (M): 175,000 @ $0.18 · Option exercise (M): 175,000 (derivative) @ $0 | EDGAR |
| 2024-12-23 | 4 | Blade Air Mobility, Inc. (BLDE) | Option exercise (M): 25,312 @ $0.18 · Option exercise (M): 25,312 (derivative) @ $0 | EDGAR |
| 2024-12-11 | 4 | Blade Air Mobility, Inc. (BLDE) | Sale (S): 39,285 @ $5.02 · Tax withholding (F): 35,348 @ $4.72 | EDGAR |
| 2024-12-03 | 4 | Blade Air Mobility, Inc. (BLDE) | Sale (S): 23,815 @ $5.02 | EDGAR |
| 2024-11-19 | 4 | Blade Air Mobility, Inc. (BLDE) | Option exercise (M): 24,688 @ $0.18 · Option exercise (M): 24,688 (derivative) @ $0.18 | EDGAR |
| 2024-09-13 | 4 | Blade Air Mobility, Inc. (BLDE) | Tax withholding (F): 35,348 @ $2.85 | EDGAR |
| 2024-08-15 | 4 | Blade Air Mobility, Inc. (BLDE) | Option exercise (M): 25,000 @ $0.18 · Option exercise (M): 25,000 (derivative) @ $0.18 | EDGAR |
| 2024-06-17 | 4 | Blade Air Mobility, Inc. (BLDE) | Tax withholding (F): 57,994 @ $2.94 | EDGAR |
| 2024-06-12 | 4 | Blade Air Mobility, Inc. (BLDE) | Option exercise (M): 30,000 @ $0.18 · Option exercise (M): 30,000 (derivative) @ $0.18 | EDGAR |
| 2024-04-17 | 4/A | Blade Air Mobility, Inc. (BLDE) | Sale (S): 11,440 @ $3.28 | EDGAR |
| 2024-04-05 | 4 | Blade Air Mobility, Inc. (BLDE) | Sale (S): 20,552 @ $3.28 | EDGAR |
| 2024-03-20 | 4 | Blade Air Mobility, Inc. (BLDE) | Option exercise (M): 45,000 @ $0.18 · Option exercise (M): 45,000 (derivative) @ $0.18 | EDGAR |
| 2024-03-15 | 4 | Blade Air Mobility, Inc. (BLDE) | Sale (S): 27,210 @ $2.76 · Sale (S): 26,632 @ $2.62 · Option exercise (M): 25,000 @ $0.18 · Option exercise (M): 25,000 (derivative) @ $0.18 | EDGAR |
| 2024-03-12 | 4 | Blade Air Mobility, Inc. (BLDE) | Grant/award (A): 20,552 @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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