Viehbacher Christopher — SEC Form 4 filings
SEC reporting owner CIK 1774478. 6 Form 4 filings on record with FilingPulse; latest filed 2026-08-07.
Transaction summary — filings shown
Covers all 6 filings on record, filed 2024-02-09 to 2026-08-07. 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 — 83,333 shares, $1,499,994 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 16.
- Largest priced transaction: purchase of 83,333 shares @ $18.00 ($1,499,994) in Braveheart Bio, Inc., filed 2026-08-07.
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 |
|---|---|---|---|---|---|
| Braveheart Bio, Inc. (BRVE) | Director | 1 | 1 leg · 83,333 sh · $1,499,994 | — | 1 |
| BIOGEN INC. (BIIB) | President and CEO, Director | 5 | — | — | 15 |
Form 4 filings — Viehbacher Christopher
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-07 | 4 | Braveheart Bio, Inc. (BRVE) | Purchase (P): 83,333 @ $18 · Grant/award (A): 30,000 (derivative) @ $0 | EDGAR |
| 2026-02-17 | 4 | BIOGEN INC. (BIIB) | Grant/award (A): 38,015 (derivative) @ $0 | EDGAR |
| 2026-02-10 | 4 | BIOGEN INC. (BIIB) | Option exercise (M): 9,008 @ $0 · Tax withholding (F): 4,356 @ $201.18 · Option exercise (M): 15,453 @ $0 · Tax withholding (F): 6,624 @ $201.18 · Option exercise (M): 9,008 (derivative) @ $0 · Option exercise (M): 15,453 (derivative) @ $0 | EDGAR |
| 2025-12-03 | 4 | BIOGEN INC. (BIIB) | Option exercise (M): 7,040 @ $0 · Tax withholding (F): 3,404 @ $177.78 · Option exercise (M): 7,040 (derivative) @ $0 | EDGAR |
| 2025-02-10 | 4 | BIOGEN INC. (BIIB) | Option exercise (M): 9,008 @ $0 · Tax withholding (F): 3,201 @ $141.35 · Grant/award (A): 46,360 (derivative) @ $0 · Option exercise (M): 9,008 (derivative) @ $0 | EDGAR |
| 2024-02-09 | 4 | BIOGEN INC. (BIIB) | Grant/award (A): 27,025 (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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