Martina M.D. Flammer Insmed Inc (INSM) insider trading activity

Martina M.D. Flammer is Chief Medical Officer of INSMED Inc. Currently has a direct ownership of 94,754 shares of INSM, which is worth approximately $18.3 Million. The most recent transaction as insider was on Jan 05, 2026, when has been sold 12,303 shares (Common Stock) at a price of $172.35 per share, resulting in proceeds of $2,120,422. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 94.8K

14.01% 3M change

7.8% 12M change

Total Value Held $18.3 Million

Martina M.D. Flammer Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Jan 05 2026	SELL Open market or private sale	$2,120,422 $172.35 p/Share	12,303 Reduced 11.49%	94,754 Common Stock
Jan 05 2026	BUY Exercise of conversion of derivative security	$300,562 $24.43 p/Share	12,303 Added 10.31%	107,057 Common Stock
Jan 02 2026	BUY Grant, award, or other acquisition	-	11,643 Added 10.94%	94,754 Common Stock
Dec 01 2025	SELL Open market or private sale	$1,840,464 $206.91 p/Share	8,895 Reduced 9.67%	83,111 Common Stock
Dec 01 2025	BUY Exercise of conversion of derivative security	$229,757 $25.83 p/Share	8,895 Added 8.82%	92,006 Common Stock
Nov 11 2025	SELL Open market or private sale	$5,926,070 $189.78 p/Share	31,226 Reduced 27.31%	83,111 Common Stock
Nov 11 2025	BUY Exercise of conversion of derivative security	$562,380 $18.01 p/Share	31,226 Added 21.45%	114,337 Common Stock

Sep 02 2025	SELL Open market or private sale	$26,811,985 $143.65 p/Share	186,648 Reduced 69.19%	83,111 Common Stock
Sep 02 2025	BUY Exercise of conversion of derivative security	$4,612,072 $24.71 p/Share	186,648 Added 40.9%	269,759 Common Stock
Aug 04 2025	SELL Open market or private sale	$954,292 $109.5 p/Share	8,715 Reduced 9.49%	83,111 Common Stock
Aug 04 2025	BUY Exercise of conversion of derivative security	$172,034 $19.74 p/Share	8,715 Added 8.67%	91,826 Common Stock
Jun 11 2025	SELL Open market or private sale	$1,835,473 $94.5 p/Share	19,423 Reduced 18.94%	83,111 Common Stock
Jun 11 2025	BUY Exercise of conversion of derivative security	$331,550 $17.07 p/Share	19,423 Added 15.93%	102,534 Common Stock
Jun 10 2025	SELL Open market or private sale	$2,281,593 $88.64 p/Share	25,740 Reduced 23.65%	83,111 Common Stock
Jun 10 2025	BUY Exercise of conversion of derivative security	$681,080 $26.46 p/Share	25,740 Added 19.12%	108,851 Common Stock
Jun 03 2025	SELL Open market or private sale	$120,549 $71.5 p/Share	1,686 Reduced 1.99%	83,111 Common Stock
May 16 2025	SELL Open market or private sale	$121,486 $67.53 p/Share	1,799 Reduced 2.08%	84,797 Common Stock
May 15 2025	SELL Open market or private sale	$649,789 $65.47 p/Share	9,925 Reduced 10.28%	86,596 Common Stock
May 15 2025	BUY Grant, award, or other acquisition	-	6,508 Added 6.32%	96,521 Common Stock
May 14 2025	SELL Open market or private sale	$114,423 $65.61 p/Share	1,744 Reduced 1.9%	90,013 Common Stock
May 13 2025	SELL Open market or private sale	$570,146 $67.81 p/Share	8,408 Reduced 8.39%	91,757 Common Stock
Feb 10 2025	SELL Open market or private sale	$2,959,662 $78.24 p/Share	37,828 Reduced 27.41%	100,165 Common Stock
Feb 07 2025	SELL Open market or private sale	$4,775 $79.59 p/Share	60 Reduced 0.04%	137,993 Common Stock
Feb 06 2025	SELL Open market or private sale	$2,674,149 $80.9 p/Share	33,055 Reduced 19.32%	138,053 Common Stock
Feb 05 2025	BUY Grant, award, or other acquisition	-	70,943 Added 29.31%	171,108 Common Stock

MMF

Martina M.D. Flammer

Chief Medical Officer

Bridgewater, NJ

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