Kramer Robin — SEC Form 4 filings
SEC reporting owner CIK 1609222. 12 Form 4 filings on record with FilingPulse; latest filed 2026-03-11.
Transaction summary — filings shown
Covers all 12 filings on record, filed 2024-01-31 to 2026-03-11. 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): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 42.
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 |
|---|---|---|---|---|---|
| BIOGEN INC. (BIIB) | Chief Financial Officer | 9 | — | — | 38 |
| Armata Pharmaceuticals, Inc. (ARMP) | Director | 3 | — | — | 4 |
Form 4 filings — Kramer Robin
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-03-11 | 4 | Armata Pharmaceuticals, Inc. (ARMP) | Grant/award (A): 25,640 (derivative) @ $0 | EDGAR |
| 2026-02-17 | 4 | BIOGEN INC. (BIIB) | Grant/award (A): 8,450 (derivative) @ $0 | EDGAR |
| 2026-02-10 | 4 | BIOGEN INC. (BIIB) | Option exercise (M): 789 @ $0 · Tax withholding (F): 273 @ $201.18 · Option exercise (M): 703 @ $0 · Tax withholding (F): 207 @ $201.18 · Option exercise (M): 3,511 @ $0 · Tax withholding (F): 1,063 @ $201.18 · +3 more | EDGAR |
| 2025-02-12 | 4 | BIOGEN INC. (BIIB) | Option exercise (M): 834 @ $0 · Tax withholding (F): 245 @ $142.54 · Option exercise (M): 834 (derivative) @ $0 | EDGAR |
| 2025-02-10 | 4 | BIOGEN INC. (BIIB) | Option exercise (M): 788 @ $0 · Tax withholding (F): 232 @ $141.35 · Option exercise (M): 703 @ $0 · Tax withholding (F): 244 @ $141.35 · Grant/award (A): 10,535 (derivative) @ $0 · Option exercise (M): 788 (derivative) @ $0 · +1 more | EDGAR |
| 2025-02-07 | 4 | Armata Pharmaceuticals, Inc. (ARMP) | Grant/award (A): 54,343 (derivative) @ $0 | EDGAR |
| 2024-12-09 | 4 | BIOGEN INC. (BIIB) | Option exercise (M): 351 @ $0 · Tax withholding (F): 170 @ $157.78 · Option exercise (M): 351 (derivative) @ $0 | EDGAR |
| 2024-03-18 | 4 | Armata Pharmaceuticals, Inc. (ARMP) | Grant/award (A): 39,666 (derivative) @ $0 · Grant/award (A): 54,343 (derivative) @ $0 | EDGAR |
| 2024-02-21 | 4 | BIOGEN INC. (BIIB) | Option exercise (M): 914 @ $0 · Tax withholding (F): 269 @ $219.08 · Option exercise (M): 431 @ $0 · Tax withholding (F): 127 @ $219.08 · Option exercise (M): 914 (derivative) @ $0 · Option exercise (M): 431 (derivative) @ $0 · +1 more | EDGAR |
| 2024-02-13 | 4 | BIOGEN INC. (BIIB) | Option exercise (M): 833 @ $0 · Tax withholding (F): 245 @ $240.98 · Option exercise (M): 833 (derivative) @ $0 | EDGAR |
| 2024-02-09 | 4 | BIOGEN INC. (BIIB) | Option exercise (M): 788 @ $0 · Tax withholding (F): 253 @ $240.30 · Grant/award (A): 2,110 (derivative) @ $0 · Option exercise (M): 788 (derivative) @ $0 | EDGAR |
| 2024-01-31 | 4 | BIOGEN INC. (BIIB) | Grant/award (A): 914 (derivative) @ $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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