Bonstein Sara (CIK 1604019) reported 42 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-05). Recent activity: Sell INSM (2,404 shares), Sell INSM (8,272 shares), Sell INSM (748 shares), Sell INSM (1,517 shares), Sell INSM (1,678 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-05 | INSMED Inc (INSM) | Chief Financial Officer | Sell | 2,404 | $245,857 |
| 2026-05-15 | INSMED Inc (INSM) | Chief Financial Officer | Sell | 8,272 | $961,041 |
| 2026-02-04 | INSMED Inc (INSM) | Chief Financial Officer | Sell | 748 | $116,942 |
| 2026-01-08 | INSMED Inc (INSM) | Chief Financial Officer | Sell | 1,517 | $262,942 |
| 2026-01-08 | INSMED Inc (INSM) | Chief Financial Officer | Sell | 1,678 | $293,767 |
| 2026-01-08 | INSMED Inc (INSM) | Chief Financial Officer | Sell | 1,447 | $252,024 |
| 2026-01-06 | INSMED Inc (INSM) | Chief Financial Officer | Buy | 5,998 | $0 |
| 2026-01-06 | INSMED Inc (INSM) | Chief Financial Officer | Buy | 5,645 | $0 |
| 2025-07-23 | INSMED Inc (INSM) | Chief Financial Officer | Sell | 32,090 | $3.3M |
| 2025-07-23 | INSMED Inc (INSM) | Chief Financial Officer | Buy | 11,455 | $330,820 |
| 2025-07-23 | INSMED Inc (INSM) | Chief Financial Officer | Buy | 15,890 | $462,876 |
| 2025-07-23 | INSMED Inc (INSM) | Chief Financial Officer | Buy | 17,100 | $581,913 |
| 2025-07-23 | INSMED Inc (INSM) | Chief Financial Officer | Buy | 3,443 | $91,102 |
| 2025-07-23 | INSMED Inc (INSM) | Chief Financial Officer | Sell | 26,310 | $2.7M |
| 2025-07-09 | INSMED Inc (INSM) | Chief Financial Officer | Buy | 6,244 | $123,257 |
| 2025-07-09 | INSMED Inc (INSM) | Chief Financial Officer | Buy | 4,362 | $107,741 |
| 2025-07-09 | INSMED Inc (INSM) | Chief Financial Officer | Buy | 23,565 | $622,823 |
| 2025-07-09 | INSMED Inc (INSM) | Chief Financial Officer | Buy | 13,717 | $362,952 |
| 2025-07-09 | INSMED Inc (INSM) | Chief Financial Officer | Sell | 35,583 | $3.4M |
| 2025-07-09 | INSMED Inc (INSM) | Chief Financial Officer | Sell | 22,181 | $2.1M |
| 2025-06-25 | INSMED Inc (INSM) | Chief Financial Officer | Buy | 35,253 | $668,044 |
| 2025-06-25 | INSMED Inc (INSM) | Chief Financial Officer | Buy | 12,636 | $249,435 |
| 2025-06-25 | INSMED Inc (INSM) | Chief Financial Officer | Sell | 49,104 | $5.0M |
| 2025-06-25 | INSMED Inc (INSM) | Chief Financial Officer | Sell | 8,661 | $884,721 |
| 2025-06-12 | INSMED Inc (INSM) | Chief Financial Officer | Buy | 24,150 | $457,642 |
Source: SEC Form 4 filings · as of 2026-06-05