Updated Jul 16, 2026
Bonstein Sara has filed 3 SEC Form 4 filings across 2 companies in the last 90 days — selling. Lifetime open-market sales: $24.71M.

Sara Bonstein is the Chief Financial Officer at INSMED Inc and scPharmaceuticals Inc. She has been involved in multiple SEC filings related to her roles at these companies.
| Role | Insider |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-05 | INSM | INSMED Inc | S — Open-market sale | 2.4K | $102.27 | $246K |
| 2026-05-15 | INSM | INSMED Inc | S — Open-market sale | 8.3K | $116.18 | $961K |
| 2026-02-04 | INSM | INSMED Inc | S — Open-market sale | 748 | $156.34 | $117K |
| 2025-07-21 | INSM | INSMED Inc | S — Open-market sale | 26.3K | $103.03 | $2.71M |
| 2025-07-21 | INSM | INSMED Inc | S — Open-market sale | 32.1K | $102.38 | $3.29M |
| 2025-07-21 | INSM | INSMED Inc | M — Option exercise | 17.1K | $34.03 | $582K |
| 2025-07-21 | INSM | INSMED Inc | M — Option exercise | 15.9K | $29.13 | $463K |
| 2025-07-21 | INSM | INSMED Inc | M — Option exercise | 11.5K | $28.88 | $331K |
| 2025-07-21 | INSM | INSMED Inc | M — Option exercise | 3.4K | $26.46 | $91K |
| 2025-07-07 | INSM | INSMED Inc | S — Open-market sale | 22.2K | $96.19 | $2.13M |
| 2025-07-07 | INSM | INSMED Inc | S — Open-market sale | 35.6K | $95.66 | $3.40M |
| 2025-07-07 | INSM | INSMED Inc | M — Option exercise | 13.7K | $26.46 | $363K |
| 2025-07-07 | INSM | INSMED Inc | M — Option exercise | 23.6K | $26.43 | $623K |
| 2025-07-07 | INSM | INSMED Inc | M — Option exercise | 4.4K | $24.70 | $108K |
| 2025-07-07 | INSM | INSMED Inc | M — Option exercise | 6.2K | $19.74 | $123K |
| 2025-06-23 | INSM | INSMED Inc | S — Open-market sale | 8.7K | $102.15 | $885K |
| 2025-06-23 | INSM | INSMED Inc | S — Open-market sale | 49.1K | $101.71 | $4.99M |
| 2025-06-23 | INSM | INSMED Inc | M — Option exercise | 12.6K | $19.74 | $249K |
| 2025-06-23 | INSM | INSMED Inc | M — Option exercise | 35.3K | $18.95 | $668K |
| 2025-06-10 | INSM | INSMED Inc | S — Open-market sale | 100 | $91.66 | $9K |
Sara Bonstein is the Chief Financial Officer at INSMED Inc and scPharmaceuticals Inc. She has been involved in multiple SEC filings related to her roles at these companies.…
3 primary Form 4 filings in the last 90 days, covering 2 companies.
Recorded transactions: 0 open-market purchases () and 18 open-market sales ($24.71M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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