SEC CIK 1970151
Birchler Brian
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| IONSview stock → | 102,883 | 2026-08-31 |
Position History — IONS
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — IONS
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-08-31 | J | 58 | $51.31 | 102,883 |
| 2026-04-16 | Open-market sale | 973 | $75.04 | 67,500 |
| 2026-04-15 | Option exercise (derivative) | 1,875 | $0.00 | 48,926 |
| 2026-04-15 | Option exercise | 1,875 | $0.00 | 68,473 |
| 2026-02-27 | J | 351 | $48.87 | 66,598 |
| 2026-01-30 | Open-market sale | 6,179 | $83.03 | 66,247 |
| 2026-01-29 | Grant / award | 11,991 | $0.00 | 72,426 |
| 2026-01-16 | Open-market sale | 8,480 | $75.11 | 60,435 |
| 2026-01-15 | Option exercise (derivative) | 20,089 | $0.00 | 41,126 |
| 2026-01-15 | Grant / award (derivative) | 9,675 | $0.00 | 50,801 |
| 2026-01-15 | Grant / award (derivative) | 25,800 | $0.00 | 79,138 |
| 2026-01-15 | Option exercise | 20,089 | $0.00 | 68,915 |
| 2026-01-02 | Grant / award (derivative) | 19,350 | $0.00 | 19,350 |
| 2025-11-06 | Open-market sale | 8,000 | $76.17 | 48,826 |
| 2025-10-15 | Option exercise (derivative) | 12,425 | $0.00 | 0 |
| 2025-10-15 | Open-market sale | 12,425 | $72.23 | 56,826 |
| 2025-10-15 | Option exercise | 12,425 | $53.77 | 69,251 |
| 2025-10-14 | Option exercise (derivative) | 11,475 | $0.00 | 12,425 |
| 2025-10-14 | Option exercise | 11,475 | $53.77 | 68,301 |
| 2025-10-14 | Open-market sale | 11,475 | $72.03 | 56,826 |
| 2025-08-29 | J | 166 | $27.71 | 56,826 |
| 2025-04-16 | Open-market sale | 680 | $28.37 | 56,660 |
| 2025-04-15 | Option exercise (derivative) | 1,875 | $0.00 | 61,215 |
| 2025-04-15 | Option exercise | 1,875 | $0.00 | 57,340 |
| 2025-02-28 | J | 414 | $28.21 | 55,465 |
| 2025-01-16 | Open-market sale | 5,400 | $32.70 | 55,051 |
| 2025-01-15 | Grant / award (derivative) | 33,000 | $0.00 | 77,373 |
| 2025-01-15 | Grant / award (derivative) | 22,000 | $0.00 | 53,338 |
| 2025-01-15 | Option exercise (derivative) | 14,283 | $0.00 | 63,090 |
| 2025-01-15 | Option exercise | 14,283 | $0.00 | 60,451 |
| 2025-01-02 | Grant / award (derivative) | 22,000 | $0.00 | 22,000 |
| 2024-08-30 | J | 12 | $38.64 | 46,168 |
| 2024-04-16 | Open-market sale | 905 | $41.66 | 46,156 |
| 2024-04-15 | Option exercise (derivative) | 1,875 | $0.00 | 44,373 |
| 2024-04-15 | Option exercise | 1,875 | $0.00 | 47,061 |
| 2024-02-29 | J | 604 | $34.43 | 45,186 |
| 2024-01-17 | Open-market sale | 4,497 | $50.42 | 44,582 |
| 2024-01-16 | Option exercise (derivative) | 12,080 | $0.00 | 46,248 |
| 2024-01-16 | Option exercise | 12,080 | $0.00 | 49,079 |
| 2024-01-15 | Grant / award (derivative) | 17,000 | $0.00 | 31,338 |
| 2024-01-15 | Grant / award (derivative) | 20,400 | $0.00 | 58,328 |
| 2024-01-02 | Grant / award (derivative) | 27,200 | $0.00 | 27,200 |
| 2023-12-28 | Option exercise (derivative) | 11,500 | $0.00 | 15,482 |
| 2023-12-28 | Tax withholding | 11,029 | $50.50 | 36,999 |
| 2023-12-28 | Option exercise | 11,500 | $47.34 | 48,028 |
| 2023-04-18 | Open-market sale | 672 | $36.50 | 36,528 |
| 2023-04-17 | Option exercise (derivative) | 1,875 | $0.00 | 27,720 |
| 2023-04-17 | Option exercise | 1,875 | $0.00 | 37,200 |
| 2023-03-14 | — | — | — | 35,325 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.