Greenman William Mariner — SEC Form 4 filings
SEC reporting owner CIK 1377258. 10 Form 4 filings on record with FilingPulse; latest filed 2026-07-02.
Transaction summary — filings shown
Covers all 10 filings on record, filed 2024-03-05 to 2026-07-02. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 9 legs across 7 filings — 1,031,709 shares, $1,863,321 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 11.
- Largest priced transaction: sale of 447,757 shares @ $1.66 ($742,023) in CERUS CORP, filed 2026-03-16.
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 |
|---|---|---|---|---|---|
| CERUS CORP (CERS) | President and CEO, Director | 10 | — | 9 legs · 1,031,709 sh · $1,863,321 | 11 |
Form 4 filings — Greenman William Mariner
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-07-02 | 4 | CERUS CORP (CERS) | Grant/award (A): 192,500 @ $0 · Sale (S): 101,919 @ $2.94 | EDGAR |
| 2026-03-16 | 4 | CERUS CORP (CERS) | Sale (S): 447,757 @ $1.66 | EDGAR |
| 2026-03-09 | 4 | CERUS CORP (CERS) | Grant/award (A): 193,270 @ $0 · Sale (S): 78,187 @ $2.01 | EDGAR |
| 2026-03-04 | 4 | CERUS CORP (CERS) | Grant/award (A): 1,200,000 @ $0 | EDGAR |
| 2025-03-17 | 4 | CERUS CORP (CERS) | Sale (S): 71,086 @ $1.45 · Sale (S): 122,827 @ $1.45 | EDGAR |
| 2025-03-10 | 4 | CERUS CORP (CERS) | Grant/award (A): 975,000 @ $0 · Grant/award (A): 165,742 @ $0 · Sale (S): 60,984 @ $1.50 | EDGAR |
| 2025-03-05 | 4 | CERUS CORP (CERS) | Option exercise (M): 57,637 · Sale (S): 23,023 @ $1.55 · Option exercise (M): 57,637 (derivative) | EDGAR |
| 2025-02-28 | 4 | CERUS CORP (CERS) | Grant/award (A): 57,637 (derivative) | EDGAR |
| 2024-03-14 | 4 | CERUS CORP (CERS) | Option exercise (M): 64,666 · Sale (S): 62,315 @ $2.06 · Sale (S): 63,611 @ $2.02 · Option exercise (M): 64,666 (derivative) | EDGAR |
| 2024-03-05 | 4 | CERUS CORP (CERS) | Grant/award (A): 575,000 @ $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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