Sara Bonstein

Sits on 2 boards. Last updated September 28, 2026

Time on boards

Boards served
2
Current seats
2
Board service
3 years
Director since
2023

3 years of board service in total across 2 boards, counting each seat separately. Longest: Xilio Therapeutics Inc., 3 years.

3 years ยท Since 2023
1 month ยท Since 2026

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Jun 3, 2026 Insmed Incorporated Open-market sale โˆ’2,404 $102.27 $245,857
May 13, 2026 Insmed Incorporated Open-market sale โˆ’8,272 $116.18 $961,041
Feb 3, 2026 Insmed Incorporated Open-market sale โˆ’748 $156.34 $116,942
Jan 8, 2026 Insmed Incorporated Open-market sale โˆ’1,447 $174.17 $252,024
Jan 7, 2026 Insmed Incorporated Open-market sale โˆ’1,678 $175.07 $293,767
Jan 6, 2026 Insmed Incorporated Open-market sale โˆ’1,517 $173.33 $262,942
Jan 2, 2026 Insmed Incorporated Grant or award +5,998 โ€” โ€”
Jan 2, 2026 Insmed Incorporated Grant or award +5,645 โ€” โ€”
Jul 21, 2025 Insmed Incorporated Option exercise +3,443 $26.46 $91,102
Jul 21, 2025 Insmed Incorporated Option exercise +11,455 $28.88 $330,820
Jul 21, 2025 Insmed Incorporated Option exercise +15,890 $29.13 $462,876
Jul 21, 2025 Insmed Incorporated Option exercise +17,100 $34.03 $581,913
Jul 21, 2025 Insmed Incorporated Open-market sale โˆ’32,090 $102.38 $3,285,374
Jul 21, 2025 Insmed Incorporated Open-market sale โˆ’26,310 $103.03 $2,710,719
Jul 7, 2025 Insmed Incorporated Option exercise +6,244 $19.74 $123,257

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