Birchler Brian — SEC Form 4 filings
SEC reporting owner CIK 1970151. 18 Form 4 filings on record with FilingPulse; latest filed 2026-09-02.
Transaction summary — filings shown
Covers all 18 filings on record, filed 2024-01-17 to 2026-09-02. 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): 10 legs across 9 filings — 59,014 shares, $4,016,658 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 31.
- Largest priced transaction: sale of 12,425 shares @ $72.23 ($897,398) in IONIS PHARMACEUTICALS INC, filed 2025-10-16.
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 |
|---|---|---|---|---|---|
| IONIS PHARMACEUTICALS INC (IONS) | EVP, Corp and Development Ops | 18 | — | 10 legs · 59,014 sh · $4,016,658 | 31 |
Form 4 filings — Birchler Brian
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-02 | 4 | IONIS PHARMACEUTICALS INC (IONS) | Other (J): 58 @ $51.31 | EDGAR |
| 2026-04-17 | 4 | IONIS PHARMACEUTICALS INC (IONS) | Option exercise (M): 1,875 @ $0 · Sale (S): 973 @ $75.04 · Option exercise (M): 1,875 (derivative) @ $0 | EDGAR |
| 2026-03-03 | 4 | IONIS PHARMACEUTICALS INC (IONS) | Other (J): 351 @ $48.87 | EDGAR |
| 2026-02-02 | 4 | IONIS PHARMACEUTICALS INC (IONS) | Grant/award (A): 11,991 @ $0 · Sale (S): 6,179 @ $83.03 | EDGAR |
| 2026-01-20 | 4 | IONIS PHARMACEUTICALS INC (IONS) | Option exercise (M): 20,089 @ $0 · Sale (S): 8,480 @ $75.11 · Grant/award (A): 25,800 (derivative) @ $0 · Option exercise (M): 20,089 (derivative) @ $0 · Grant/award (A): 9,675 (derivative) @ $0 | EDGAR |
| 2026-01-06 | 4 | IONIS PHARMACEUTICALS INC (IONS) | Grant/award (A): 19,350 (derivative) @ $0 | EDGAR |
| 2025-11-07 | 4 | IONIS PHARMACEUTICALS INC (IONS) | Sale (S): 8,000 @ $76.17 | EDGAR |
| 2025-10-16 | 4 | IONIS PHARMACEUTICALS INC (IONS) | Option exercise (M): 11,475 @ $53.77 · Sale (S): 11,475 @ $72.03 · Option exercise (M): 12,425 @ $53.77 · Sale (S): 12,425 @ $72.23 · Option exercise (M): 11,475 (derivative) @ $0 · Option exercise (M): 12,425 (derivative) @ $0 | EDGAR |
| 2025-09-03 | 4 | IONIS PHARMACEUTICALS INC (IONS) | Other (J): 166 @ $27.71 | EDGAR |
| 2025-04-17 | 4 | IONIS PHARMACEUTICALS INC (IONS) | Option exercise (M): 1,875 @ $0 · Sale (S): 680 @ $28.37 · Option exercise (M): 1,875 (derivative) @ $0 | EDGAR |
| 2025-03-04 | 4 | IONIS PHARMACEUTICALS INC (IONS) | Other (J): 414 @ $28.21 | EDGAR |
| 2025-01-17 | 4 | IONIS PHARMACEUTICALS INC (IONS) | Option exercise (M): 14,283 @ $0 · Sale (S): 5,400 @ $32.70 · Grant/award (A): 22,000 (derivative) @ $0 · Grant/award (A): 33,000 (derivative) @ $0 · Option exercise (M): 14,283 (derivative) @ $0 | EDGAR |
| 2025-01-06 | 4 | IONIS PHARMACEUTICALS INC (IONS) | Grant/award (A): 22,000 (derivative) @ $0 | EDGAR |
| 2024-09-04 | 4 | IONIS PHARMACEUTICALS INC (IONS) | Other (J): 12 @ $38.64 | EDGAR |
| 2024-04-17 | 4 | IONIS PHARMACEUTICALS INC (IONS) | Option exercise (M): 1,875 @ $0 · Sale (S): 905 @ $41.66 · Option exercise (M): 1,875 (derivative) @ $0 | EDGAR |
| 2024-03-04 | 4 | IONIS PHARMACEUTICALS INC (IONS) | Other (J): 604 @ $34.42 | EDGAR |
| 2024-01-18 | 4 | IONIS PHARMACEUTICALS INC (IONS) | Option exercise (M): 12,080 @ $0 · Sale (S): 4,497 @ $50.42 · Option exercise (M): 12,080 (derivative) @ $0 | EDGAR |
| 2024-01-17 | 4 | IONIS PHARMACEUTICALS INC (IONS) | Grant/award (A): 17,000 (derivative) @ $0 · Grant/award (A): 20,400 (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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