Michael Alexander Smith Insmed Inc (INSM) insider trading activity

Michael Alexander Smith is Chief Legal Officer of INSMED Inc. Currently has a direct ownership of 57,037 shares of INSM, which is worth approximately $11 Million. The most recent transaction as insider was on Jan 08, 2026, when has been sold 1,053 shares (Common Stock) at a price of $174.17 per share, resulting in proceeds of $183,401. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 57K

3.89% 3M change

11.68% 12M change

Total Value Held $11 Million

Michael Alexander Smith Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Jan 08 2026	SELL Open market or private sale	$183,401 $174.17 p/Share	1,053 Reduced 1.81%	57,037 Common Stock
Jan 07 2026	SELL Open market or private sale	$124,124 $175.07 p/Share	709 Reduced 1.21%	58,090 Common Stock
Jan 06 2026	SELL Open market or private sale	$241,968 $173.33 p/Share	1,396 Reduced 2.32%	58,799 Common Stock
Jan 02 2026	BUY Grant, award, or other acquisition	-	5,293 Added 8.08%	60,195 Common Stock
Nov 03 2025	SELL Open market or private sale	$5,003,314 $184.42 p/Share	27,130 Reduced 33.07%	54,902 Common Stock
Nov 03 2025	BUY Exercise of conversion of derivative security	$644,337 $23.75 p/Share	27,130 Added 24.85%	82,032 Common Stock
Sep 02 2025	SELL Open market or private sale	$3,485,459 $143.6 p/Share	24,272 Reduced 30.66%	54,902 Common Stock

Sep 02 2025	BUY Exercise of conversion of derivative security	$389,278 $30.46 p/Share	12,780 Added 13.9%	79,174 Common Stock
Jul 15 2025	SELL Open market or private sale	$95,641 $102.51 p/Share	933 Reduced 1.39%	66,394 Common Stock
Jul 11 2025	SELL Open market or private sale	$72,114 $96.41 p/Share	748 Reduced 1.1%	67,327 Common Stock
Jun 05 2025	SELL Open market or private sale	$138,106 $73.5 p/Share	1,879 Reduced 2.7%	67,718 Common Stock
Jun 03 2025	SELL Open market or private sale	$103,532 $71.5 p/Share	1,448 Reduced 2.04%	69,597 Common Stock
May 30 2025	SELL Open market or private sale	$1,823,934 $69.28 p/Share	26,327 Reduced 27.04%	71,045 Common Stock
May 15 2025	BUY Grant, award, or other acquisition	-	5,578 Added 5.42%	97,372 Common Stock
May 14 2025	SELL Open market or private sale	$26,834 $65.61 p/Share	409 Reduced 0.44%	91,794 Common Stock
May 13 2025	SELL Open market or private sale	$298,838 $67.81 p/Share	4,407 Reduced 4.56%	92,203 Common Stock
Feb 06 2025	SELL Open market or private sale	$1,670,585 $80.9 p/Share	20,650 Reduced 17.61%	96,610 Common Stock
Feb 05 2025	BUY Grant, award, or other acquisition	-	47,295 Added 28.74%	117,260 Common Stock
Jan 10 2025	SELL Open market or private sale	$20,218 $63.38 p/Share	319 Reduced 0.45%	69,965 Common Stock
Jan 08 2025	SELL Open market or private sale	$70,447 $66.21 p/Share	1,064 Reduced 1.62%	64,578 Common Stock
Jan 08 2025	BUY Grant, award, or other acquisition	-	5,706 Added 7.51%	70,284 Common Stock
Jan 07 2025	SELL Open market or private sale	$152,149 $65.98 p/Share	2,306 Reduced 3.39%	65,642 Common Stock
Sep 13 2024	SELL Open market or private sale	$2,075,274 $74.46 p/Share	27,871 Reduced 29.12%	67,856 Common Stock
Sep 13 2024	BUY Exercise of conversion of derivative security	$159,320 $22.76 p/Share	7,000 Added 6.81%	95,727 Common Stock
Aug 12 2024	SELL Open market or private sale	$6,446,724 $73.2 p/Share	88,070 Reduced 49.81%	88,727 Common Stock

MAS

Michael Alexander Smith

Chief Legal Officer

Bridgewater, NJ

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