Blackman Samuel C. — SEC Form 4 filings
SEC reporting owner CIK 1863676. 17 Form 4 filings on record with FilingPulse; latest filed 2024-12-12.
Transaction summary — filings shown
Covers all 17 filings on record, filed 2024-01-09 to 2024-12-12. 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): 17 legs across 16 filings — 238,963 shares, $3,564,057 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 26.
- Largest priced transaction: sale of 30,000 shares @ $15.24 ($457,314) in Day One Biopharmaceuticals, Inc., filed 2024-03-13.
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 |
|---|---|---|---|---|---|
| Day One Biopharmaceuticals, Inc. (DAWN) | HEAD OF R&D | 17 | — | 17 legs · 238,963 sh · $3,564,057 | 26 |
Form 4 filings — Blackman Samuel C.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2024-12-12 | 4 | Day One Biopharmaceuticals, Inc. (DAWN) | Sale (S): 30,000 @ $13.31 | EDGAR |
| 2024-11-19 | 4 | Day One Biopharmaceuticals, Inc. (DAWN) | Option exercise (M): 1,187 · Option exercise (M): 1,437 · Option exercise (M): 6,062 · Sale (S): 2,206 @ $13.21 · Option exercise (M): 1,187 (derivative) @ $0 · Option exercise (M): 1,437 (derivative) @ $0 · +1 more | EDGAR |
| 2024-11-12 | 4 | Day One Biopharmaceuticals, Inc. (DAWN) | Sale (S): 18,255 @ $16.17 · Sale (S): 10,000 @ $16.10 | EDGAR |
| 2024-11-08 | 4 | Day One Biopharmaceuticals, Inc. (DAWN) | Sale (S): 11,245 @ $16.03 | EDGAR |
| 2024-11-04 | 4 | Day One Biopharmaceuticals, Inc. (DAWN) | Sale (S): 500 @ $16.02 | EDGAR |
| 2024-09-12 | 4 | Day One Biopharmaceuticals, Inc. (DAWN) | Sale (S): 30,000 @ $14.22 | EDGAR |
| 2024-08-19 | 4 | Day One Biopharmaceuticals, Inc. (DAWN) | Option exercise (M): 1,187 · Option exercise (M): 1,437 · Option exercise (M): 6,062 · Sale (S): 2,232 @ $14.00 · Option exercise (M): 1,187 (derivative) @ $0 · Option exercise (M): 1,437 (derivative) @ $0 · +1 more | EDGAR |
| 2024-07-17 | 4 | Day One Biopharmaceuticals, Inc. (DAWN) | Sale (S): 20,000 @ $16.01 | EDGAR |
| 2024-06-12 | 4 | Day One Biopharmaceuticals, Inc. (DAWN) | Sale (S): 30,000 @ $12.62 | EDGAR |
| 2024-05-17 | 4 | Day One Biopharmaceuticals, Inc. (DAWN) | Option exercise (M): 1,187 · Option exercise (M): 1,437 · Option exercise (M): 6,062 · Sale (S): 2,267 @ $16.08 · Option exercise (M): 1,187 (derivative) @ $0 · Option exercise (M): 1,437 (derivative) @ $0 · +1 more | EDGAR |
| 2024-05-14 | 4 | Day One Biopharmaceuticals, Inc. (DAWN) | Sale (S): 10,000 @ $16.37 | EDGAR |
| 2024-04-22 | 4 | Day One Biopharmaceuticals, Inc. (DAWN) | Sale (S): 10,000 @ $16.02 | EDGAR |
| 2024-03-26 | 4 | Day One Biopharmaceuticals, Inc. (DAWN) | Sale (S): 10,000 @ $16.01 | EDGAR |
| 2024-03-13 | 4 | Day One Biopharmaceuticals, Inc. (DAWN) | Sale (S): 30,000 @ $15.24 | EDGAR |
| 2024-02-28 | 4 | Day One Biopharmaceuticals, Inc. (DAWN) | Sale (S): 20,000 @ $16.11 | EDGAR |
| 2024-02-20 | 4 | Day One Biopharmaceuticals, Inc. (DAWN) | Option exercise (M): 1,187 · Option exercise (M): 1,437 · Option exercise (M): 6,062 · Sale (S): 2,258 @ $15.25 · Option exercise (M): 1,187 (derivative) @ $0 · Option exercise (M): 1,437 (derivative) @ $0 · +1 more | EDGAR |
| 2024-01-09 | 4 | Day One Biopharmaceuticals, Inc. (DAWN) | Grant/award (A): 148,000 (derivative) @ $0 · Grant/award (A): 97,000 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-09 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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