Sara Bonstein

INSM

Sara Bonstein serves as Chief Financial Officer at Insmed Incorporated (INSM). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

20 trades

$42.99M

Net Position

Net Seller

$42.99M

Companies Traded

INSM

Active Period

Jan 2022 – Feb 2026

20 total trades

Most Recent

Sell INSM

Feb 3, 2026 · $116.9K

Sara Bonstein's Insider Trading at Insmed Incorporated (INSM)

Buys

0 · $0.00

Sells

20 · $42.99M

Total Shares Bought

Total Shares Sold

599,537

INSM Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Feb 3, 2026	Sell	748	$156.34	$116.9K	0
Jan 6, 2026	Sell	4,642	$174.22	$808.7K	0
Jul 21, 2025	Sell	58,400	$102.67	$6.00M	0
Jul 7, 2025	Sell	57,764	$95.86	$5.54M	0
Jun 23, 2025	Sell	57,765	$101.78	$5.88M	0
Jun 10, 2025	Sell	57,766	$89.12	$5.15M	0
Jun 3, 2025	Sell	1,579	$71.50	$112.9K	0
May 13, 2025	Sell	10,504	$67.47	$708.7K	0
Feb 20, 2025	Sell	18,322	$80.31	$1.47M	119,563
Feb 13, 2025	Sell	18,321	$80.00	$1.47M	142,204
Feb 7, 2025	Sell	28,390	$80.90	$2.30M	155,506
Jan 10, 2025	Sell	6,000	$65.43	$392.6K	118,863
May 30, 2024	Sell	241,288	$50.00	$12.06M	338,045
May 15, 2024	Sell	11,088	$25.32	$280.7K	117,481
Jan 11, 2024	Sell	4,497	$29.18	$131.2K	114,051
Dec 22, 2023	Sell	13,199	$30.00	$396.0K	105,241
May 17, 2023	Sell	3,820	$18.95	$72.4K	119,229
Jan 12, 2023	Sell	2,857	$18.12	$51.8K	66,031
May 18, 2022	Sell	1,433	$18.51	$26.5K	54,683
Jan 13, 2022	Sell	1,154	$25.11	$29.0K	35,979