SEC CIK 1604019
Bonstein Sara
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| INSMview stock → | 69,082 | 2026-06-03 |
Position History — INSM
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — INSM
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-06-03 | Open-market sale | 2,404 | $102.27 | 69,082 |
| 2026-05-13 | Open-market sale | 8,272 | $116.18 | 71,486 |
| 2026-02-03 | Open-market sale | 748 | $156.34 | 79,758 |
| 2026-01-08 | Open-market sale | 1,447 | $174.17 | 80,506 |
| 2026-01-07 | Open-market sale | 1,678 | $175.07 | 81,953 |
| 2026-01-06 | Open-market sale | 1,517 | $173.33 | 83,631 |
| 2026-01-02 | Grant / award (derivative) | 31,280 | $0.00 | 31,280 |
| 2026-01-02 | Grant / award | 5,998 | — | 79,503 |
| 2026-01-02 | Grant / award | 5,645 | — | 85,148 |
| 2025-07-21 | Option exercise (derivative) | 3,443 | $0.00 | 8,580 |
| 2025-07-21 | Option exercise (derivative) | 17,100 | $0.00 | 0 |
| 2025-07-21 | Option exercise (derivative) | 15,890 | $0.00 | 47,670 |
| 2025-07-21 | Open-market sale | 26,310 | $103.03 | 73,505 |
| 2025-07-21 | Open-market sale | 32,090 | $102.38 | 99,815 |
| 2025-07-21 | Option exercise | 17,100 | $34.03 | 131,905 |
| 2025-07-21 | Option exercise | 15,890 | $29.13 | 114,805 |
| 2025-07-21 | Option exercise | 11,455 | $28.88 | 98,915 |
| 2025-07-21 | Option exercise | 3,443 | $26.46 | 87,460 |
| 2025-07-07 | Option exercise (derivative) | 6,244 | $0.00 | 18,880 |
| 2025-07-07 | Option exercise (derivative) | 4,362 | $0.00 | 0 |
| 2025-07-07 | Option exercise (derivative) | 23,565 | $0.00 | 15,710 |
| 2025-07-07 | Option exercise (derivative) | 13,717 | $0.00 | 12,023 |
| 2025-07-07 | Option exercise | 13,717 | $26.46 | 141,781 |
| 2025-07-07 | Open-market sale | 35,583 | $95.66 | 106,198 |
| 2025-07-07 | Option exercise | 6,244 | $19.74 | 100,137 |
| 2025-07-07 | Option exercise | 23,565 | $26.43 | 128,064 |
| 2025-07-07 | Option exercise | 4,362 | $24.70 | 104,499 |
| 2025-07-07 | Open-market sale | 22,181 | $96.19 | 84,017 |
| 2025-06-23 | Option exercise (derivative) | 35,253 | $0.00 | 99,007 |
| 2025-06-23 | Option exercise (derivative) | 12,636 | $0.00 | 25,124 |
| 2025-06-23 | Open-market sale | 49,104 | $101.71 | 102,197 |
| 2025-06-23 | Option exercise | 35,253 | $18.95 | 138,665 |
| 2025-06-23 | Option exercise | 12,636 | $19.74 | 151,301 |
| 2025-06-23 | Open-market sale | 8,661 | $102.15 | 93,536 |
| 2025-06-10 | Option exercise (derivative) | 24,150 | $0.00 | 134,260 |
| 2025-06-10 | Option exercise (derivative) | 23,740 | $0.00 | 35,610 |
| 2025-06-10 | Option exercise | 23,740 | $17.07 | 161,178 |
| 2025-06-10 | Open-market sale | 20,926 | $88.99 | 125,665 |
| 2025-06-10 | Open-market sale | 15,825 | $89.85 | 109,840 |
| 2025-06-10 | Open-market sale | 6,328 | $90.93 | 103,512 |
| 2025-06-10 | Open-market sale | 7,310 | $88.29 | 146,591 |
| 2025-06-10 | Open-market sale | 7,277 | $87.12 | 153,901 |
| 2025-06-10 | Option exercise | 24,150 | $18.95 | 137,438 |
| 2025-06-10 | Open-market sale | 100 | $91.66 | 103,412 |
| 2025-06-03 | Open-market sale | 1,579 | $71.50 | 113,288 |
| 2025-05-15 | Grant / award (derivative) | 31,610 | $0.00 | 31,610 |
| 2025-05-15 | Grant / award | 6,508 | $0.00 | 114,867 |
| 2025-05-14 | Open-market sale | 1,634 | $65.61 | 108,359 |
| 2025-05-13 | Open-market sale | 8,870 | $67.81 | 109,993 |
| 2025-02-18 | Open-market sale | 700 | $81.00 | 118,863 |
| 2025-02-18 | Open-market sale | 17,622 | $80.28 | 119,563 |
| 2025-02-12 | Open-market sale | 5,019 | $80.00 | 137,185 |
| 2025-02-11 | Open-market sale | 13,302 | $80.00 | 142,204 |
| 2025-02-06 | Open-market sale | 28,390 | $80.90 | 155,506 |
| 2025-02-05 | Grant / award | 65,033 | $0.00 | 183,896 |
| 2025-01-10 | Open-market sale | 1,066 | $63.72 | 118,863 |
| 2025-01-08 | Grant / award (derivative) | 31,930 | $0.00 | 31,930 |
| 2025-01-08 | Grant / award | 6,657 | — | 119,929 |
| 2025-01-08 | Open-market sale | 1,464 | $66.05 | 113,272 |
| 2025-01-07 | Open-market sale | 3,470 | $65.70 | 114,736 |
| 2024-05-29 | Option exercise (derivative) | 32,156 | $0.00 | 59,350 |
| 2024-05-29 | Option exercise (derivative) | 39,446 | $0.00 | 25,740 |
| 2024-05-29 | Option exercise (derivative) | 76,731 | $0.00 | 11,455 |
| 2024-05-29 | Option exercise (derivative) | 27,074 | $0.00 | 4,362 |
| 2024-05-29 | Option exercise (derivative) | 25,046 | $0.00 | 17,100 |
| 2024-05-29 | Option exercise (derivative) | 20,111 | $0.00 | 39,275 |
| 2024-05-29 | Option exercise | 20,111 | $26.43 | 323,159 |
| 2024-05-29 | Option exercise | 39,446 | $26.46 | 299,594 |
| 2024-05-29 | Option exercise | 25,046 | $34.03 | 256,694 |
| 2024-05-29 | Option exercise | 27,074 | $24.70 | 228,194 |
| 2024-05-29 | Option exercise | 76,731 | $28.88 | 197,666 |
| 2024-05-29 | Open-market sale | 220,564 | $50.00 | 117,481 |
| 2024-05-29 | Option exercise | 32,156 | $17.07 | 358,769 |
| 2024-05-28 | Option exercise (derivative) | 3,454 | $0.00 | 91,506 |
| 2024-05-28 | Option exercise (derivative) | 3,454 | $0.00 | 65,186 |
| 2024-05-28 | Option exercise (derivative) | 3,454 | $0.00 | 59,386 |
| 2024-05-28 | Option exercise (derivative) | 3,454 | $0.00 | 88,186 |
| 2024-05-28 | Option exercise (derivative) | 3,454 | $0.00 | 31,436 |
| 2024-05-28 | Option exercise (derivative) | 3,454 | $0.00 | 42,146 |
| 2024-05-28 | Option exercise | 3,454 | $26.43 | 303,048 |
| 2024-05-28 | Option exercise | 3,454 | $26.46 | 260,148 |
| 2024-05-28 | Option exercise | 3,454 | $34.03 | 231,648 |
| 2024-05-28 | Option exercise | 3,454 | $24.70 | 201,120 |
| 2024-05-28 | Option exercise | 3,454 | $28.88 | 120,935 |
| 2024-05-28 | Open-market sale | 20,724 | $50.01 | 338,045 |
| 2024-05-28 | Option exercise | 3,454 | $17.07 | 326,613 |
| 2024-05-14 | Open-market sale | 11,088 | $25.32 | 117,481 |
| 2024-05-13 | Grant / award (derivative) | 71,160 | $0.00 | 71,160 |
| 2024-05-13 | Grant / award | 14,518 | — | 128,569 |
| 2024-01-09 | Open-market sale | 4,497 | $29.18 | 114,051 |
| 2024-01-04 | Grant / award (derivative) | 63,560 | $0.00 | 63,560 |
| 2024-01-04 | Grant / award | 12,873 | — | 118,548 |
| 2023-12-22 | Open-market sale | 13,199 | $30.00 | 105,241 |
| 2023-05-16 | Open-market sale | 1,610 | $18.47 | 117,619 |
| 2023-05-15 | Open-market sale | 2,210 | $19.30 | 119,229 |
| 2023-05-11 | Grant / award (derivative) | 158,410 | $0.00 | 158,410 |
| 2023-05-11 | Grant / award | 21,108 | — | 121,439 |
| 2023-05-11 | Grant / award | 34,300 | — | 100,331 |
| 2023-01-10 | Open-market sale | 2,857 | $18.12 | 66,031 |
| 2023-01-05 | Grant / award (derivative) | 37,760 | $0.00 | 37,760 |
| 2023-01-05 | Grant / award | 5,065 | — | 68,888 |
| 2023-01-05 | Grant / award | 8,232 | — | 63,823 |
| 2022-05-16 | Open-market sale | 1,433 | $18.51 | 54,683 |
| 2022-05-11 | Grant / award (derivative) | 94,960 | $0.00 | 94,960 |
| 2022-05-11 | Grant / award | 20,137 | — | 56,116 |
| 2022-01-11 | Open-market sale | 1,154 | $25.11 | 35,979 |
| 2022-01-06 | Grant / award (derivative) | 62,840 | $0.00 | 62,840 |
| 2022-01-06 | Grant / award | 13,006 | — | 37,133 |
| 2021-05-12 | Grant / award (derivative) | 68,640 | $0.00 | 68,640 |
| 2021-05-12 | Grant / award | 14,172 | — | 23,355 |
| 2021-01-07 | Grant / award (derivative) | 45,600 | $0.00 | 45,600 |
| 2021-01-07 | Grant / award | 9,183 | — | 9,183 |
| 2020-05-12 | Grant / award (derivative) | 34,890 | $0.00 | 34,890 |
| 2020-02-03 | Grant / award (derivative) | 91,640 | $0.00 | 91,640 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.