INSM

INSMED Inc

Insider trading activity for INSMED Inc, straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

-$53.3M

net selling

Bought(0 · 0 insiders): $0
Sold(34 · 5 insiders): $53.3M

Past 6 months

-$56.1M

net selling

Bought(0 · 0 insiders): $0
Sold(42 · 5 insiders): $56.1M

Past 12 months

-$56.1M

net selling

Bought(0 · 0 insiders): $0
Sold(42 · 5 insiders): $56.1M

Transaction history

The 86 most recent Form 4 transactions.

Open in screener →

Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Aug 10	Adsett Roger	Chief Operating Officer	MEXER◆	80,970	—	—	—	Open the original filing on SEC.gov
Aug 10	Adsett Roger	Chief Operating Officer	MEXER◆	76,600	—	—	—	Open the original filing on SEC.gov
Aug 10	Adsett Roger	Chief Operating Officer	MEXER◆	82,280	—	—	—	Open the original filing on SEC.gov
Aug 10	Adsett Roger	Chief Operating Officer	SSELL	239,850	$133.27	$32M	-70.8%	Open the original filing on SEC.gov
Aug 10	Adsett Roger	Chief Operating Officer	MEXER	80,970	$30.46	$2.5M	+31.4%	Open the original filing on SEC.gov
Aug 10	Adsett Roger	Chief Operating Officer	MEXER	76,600	$17.16	$1.3M	+42.3%	Open the original filing on SEC.gov
Aug 10	Adsett Roger	Chief Operating Officer	MEXER	82,280	$13.67	$1.1M	+83.3%	Open the original filing on SEC.gov
Aug 6	Flammer Martina M.D.	Chief Medical Officer	MEXER◷◆	8,895	—	—	—	Open the original filing on SEC.gov
Aug 6	Flammer Martina M.D.	Chief Medical Officer	MEXER◷◆	18,278	—	—	—	Open the original filing on SEC.gov
Aug 6	Flammer Martina M.D.	Chief Medical Officer	SSELL◷	18,278	$129.40	$2.4M	-23.2%	Open the original filing on SEC.gov
Aug 6	Flammer Martina M.D.	Chief Medical Officer	SSELL◷	8,895	$127.00	$1.1M	-10.2%	Open the original filing on SEC.gov
Aug 6	Flammer Martina M.D.	Chief Medical Officer	MEXER◷	8,895	$25.83	$229.8K	+11.3%	Open the original filing on SEC.gov
Aug 6	Flammer Martina M.D.	Chief Medical Officer	MEXER◷	18,278	$18.95	$346.4K	+30.2%	Open the original filing on SEC.gov
Jul 23	Lewis William	Chair and CEO	MEXER◷◆	4,440	—	—	—	Open the original filing on SEC.gov
Jul 23	Lewis William	Chair and CEO	MEXER◷◆	6,260	—	—	—	Open the original filing on SEC.gov
Jul 23	Lewis William	Chair and CEO	SSELL◷	5,872	$106.43	$625K	-2.2%	Open the original filing on SEC.gov
Jul 23	Lewis William	Chair and CEO	SSELL◷	4,828	$105.62	$509.9K	-1.8%	Open the original filing on SEC.gov
Jul 23	Lewis William	Chair and CEO	MEXER◷	4,440	$17.16	$76.2K	+1.7%	Open the original filing on SEC.gov
Jul 23	Lewis William	Chair and CEO	MEXER◷	6,260	$30.46	$190.7K	+2.4%	Open the original filing on SEC.gov
Jul 9	Lewis William	Chair and CEO	MEXER◷◆	4,440	—	—	—	Open the original filing on SEC.gov
Jul 9	Lewis William	Chair and CEO	MEXER◷◆	6,259	—	—	—	Open the original filing on SEC.gov
Jul 9	Lewis William	Chair and CEO	SSELL◷	3,359	$118.52	$398.1K	-1.3%	Open the original filing on SEC.gov
Jul 9	Lewis William	Chair and CEO	SSELL◷	2,335	$117.62	$274.6K	-0.9%	Open the original filing on SEC.gov
Jul 9	Lewis William	Chair and CEO	SSELL◷	5,005	$116.55	$583.3K	-1.9%	Open the original filing on SEC.gov
Jul 9	Lewis William	Chair and CEO	MEXER◷	4,440	$17.16	$76.2K	+1.7%	Open the original filing on SEC.gov
Jul 9	Lewis William	Chair and CEO	MEXER◷	6,259	$30.46	$190.6K	+2.4%	Open the original filing on SEC.gov
Jul 6	Flammer Martina M.D.	Chief Medical Officer	MEXER◷◆	4,357	—	—	—	Open the original filing on SEC.gov
Jul 6	Flammer Martina M.D.	Chief Medical Officer	MEXER◷◆	7,945	—	—	—	Open the original filing on SEC.gov
Jul 6	Flammer Martina M.D.	Chief Medical Officer	SSELL◷	7,448	$110.60	$823.7K	-11.0%	Open the original filing on SEC.gov
Jul 6	Flammer Martina M.D.	Chief Medical Officer	SSELL◷	4,854	$109.02	$529.2K	-6.7%	Open the original filing on SEC.gov
Jul 6	Flammer Martina M.D.	Chief Medical Officer	MEXER◷	4,357	$19.74	$86K	+6.4%	Open the original filing on SEC.gov
Jul 6	Flammer Martina M.D.	Chief Medical Officer	MEXER◷	7,945	$29.13	$231.4K	+13.1%	Open the original filing on SEC.gov
Jun 25	Lewis William	Chair and CEO	MEXER◷◆	8,880	—	—	—	Open the original filing on SEC.gov
Jun 25	Lewis William	Chair and CEO	MEXER◷◆	12,518	—	—	—	Open the original filing on SEC.gov
Jun 25	Lewis William	Chair and CEO	SSELL◷	1,292	$106.27	$137.3K	-0.5%	Open the original filing on SEC.gov
Jun 25	Lewis William	Chair and CEO	SSELL◷	2,456	$105.27	$258.5K	-0.9%	Open the original filing on SEC.gov
Jun 25	Lewis William	Chair and CEO	SSELL◷	3,723	$104.28	$388.2K	-1.4%	Open the original filing on SEC.gov
Jun 25	Lewis William	Chair and CEO	SSELL◷	1,836	$103.10	$189.3K	-0.7%	Open the original filing on SEC.gov
Jun 25	Lewis William	Chair and CEO	SSELL◷	12,091	$102.34	$1.2M	-4.3%	Open the original filing on SEC.gov
Jun 25	Lewis William	Chair and CEO	MEXER◷	8,880	$17.16	$152.4K	+3.3%	Open the original filing on SEC.gov
Jun 25	Lewis William	Chair and CEO	MEXER◷	12,518	$30.46	$381.3K	+4.8%	Open the original filing on SEC.gov
Jun 23	Butera Samuele	SVP, GM, Global…	AGRANT◆	12,570	—	—	—	Open the original filing on SEC.gov
Jun 23	Butera Samuele	SVP, GM, Global…	AGRANT	7,342	—	—	—	Open the original filing on SEC.gov
Jun 22	Smith Michael Alexander	Chief Legal Officer	SSELL◷	1,806	$95.82	$173.1K	-4.6%	Open the original filing on SEC.gov
Jun 8	Lewis William	Chair and CEO	SSELL◷	6,515	$94.03	$612.6K	-2.5%	Open the original filing on SEC.gov
Jun 5	Flammer Martina M.D.	Chief Medical Officer	SSELL◷	1,858	$103.78	$192.8K	-3.0%	Open the original filing on SEC.gov
Jun 3	Smith Michael Alexander	Chief Legal Officer	SSELL	2,159	$102.27	$220.8K	-5.2%	Open the original filing on SEC.gov
Jun 3	Lewis William	Chair and CEO	SSELL	7,605	$102.27	$777.8K	-2.8%	Open the original filing on SEC.gov
Jun 3	Flammer Martina M.D.	Chief Medical Officer	SSELL◷	2,566	$102.27	$262.4K	-4.0%	Open the original filing on SEC.gov
Jun 3	Bonstein Sara	Chief Financial Officer	SSELL	2,404	$102.27	$245.9K	-3.4%	Open the original filing on SEC.gov
Jun 3	Adsett Roger	Chief Operating Officer	SSELL	2,370	$102.27	$242.4K	-2.4%	Open the original filing on SEC.gov
May 22	Smith Michael Alexander	Chief Legal Officer	SSELL◷	6,149	$108.47	$667K	-12.9%	Open the original filing on SEC.gov
May 18	Lewis William	Chair and CEO	MEXER◷◆	4,440	—	—	—	Open the original filing on SEC.gov
May 18	Lewis William	Chair and CEO	MEXER◷◆	6,259	—	—	—	Open the original filing on SEC.gov
May 18	Lewis William	Chair and CEO	SSELL◷	7,975	$106.97	$853.1K	-2.8%	Open the original filing on SEC.gov
May 18	Lewis William	Chair and CEO	SSELL◷	11,836	$106.39	$1.3M	-4.0%	Open the original filing on SEC.gov
May 18	Lewis William	Chair and CEO	SSELL◷	5,753	$105.32	$605.9K	-1.9%	Open the original filing on SEC.gov
May 18	Lewis William	Chair and CEO	MEXER◷	4,440	$17.16	$76.2K	+1.5%	Open the original filing on SEC.gov
May 18	Lewis William	Chair and CEO	MEXER◷	6,259	$30.46	$190.6K	+2.2%	Open the original filing on SEC.gov
May 14	Flammer Martina M.D.	Chief Medical Officer	SSELL◷	10,479	$117.54	$1.2M	-13.9%	Open the original filing on SEC.gov
May 13	Smith Michael Alexander	Chief Legal Officer	SSELL	4,109	$116.18	$477.4K	-7.9%	Open the original filing on SEC.gov
May 13	Lee Leo	Director	AGRANT	3,305	—	—	+6.0%	Open the original filing on SEC.gov
May 13	Lewis William	Chair and CEO	SSELL	13,283	$116.18	$1.5M	-4.4%	Open the original filing on SEC.gov
May 13	Schafer Carol	Director	AGRANT	3,305	—	—	+5.2%	Open the original filing on SEC.gov
May 13	Sharoky Melvin MD	Director	AGRANT	3,305	—	—	+1.4%	Open the original filing on SEC.gov
May 13	Flammer Martina M.D.	Chief Medical Officer	SSELL◷	3,384	$116.18	$393.2K	-4.3%	Open the original filing on SEC.gov
May 13	Flammer Martina M.D.	Chief Medical Officer	SSELL◷	4,470	$112.76	$504K	-5.4%	Open the original filing on SEC.gov
May 13	Desjardins Clarissa	Director	AGRANT	3,305	—	—	+4.9%	Open the original filing on SEC.gov
May 13	Brennan David R	Director	AGRANT	3,305	—	—	+5.4%	Open the original filing on SEC.gov
May 13	Bonstein Sara	Chief Financial Officer	SSELL	8,272	$116.18	$961K	-10.4%	Open the original filing on SEC.gov
May 13	Adsett Roger	Chief Operating Officer	SSELL	5,837	$116.18	$678.1K	-5.5%	Open the original filing on SEC.gov
May 13	Anderson Elizabeth M	Director	AGRANT	3,305	—	—	+5.6%	Open the original filing on SEC.gov
May 11	Flammer Martina M.D.	Chief Medical Officer	MEXER◷◆	12,949	—	—	—	Open the original filing on SEC.gov
May 11	Flammer Martina M.D.	Chief Medical Officer	SSELL◷	830	$101.18	$84K	-1.0%	Open the original filing on SEC.gov
May 11	Flammer Martina M.D.	Chief Medical Officer	SSELL◷	12,119	$100.35	$1.2M	-12.6%	Open the original filing on SEC.gov
May 11	Flammer Martina M.D.	Chief Medical Officer	MEXER◷	12,949	$17.07	$221K	+15.6%	Open the original filing on SEC.gov
May 4	Lewis William	Chair and CEO	MEXER◷◆	4,440	—	—	—	Open the original filing on SEC.gov
May 4	Lewis William	Chair and CEO	MEXER◷◆	6,259	—	—	—	Open the original filing on SEC.gov
May 4	Lewis William	Chair and CEO	SSELL◷	381	$139.60	$53.2K	-0.1%	Open the original filing on SEC.gov
May 4	Lewis William	Chair and CEO	SSELL◷	1,247	$139.09	$173.4K	-0.4%	Open the original filing on SEC.gov
May 4	Lewis William	Chair and CEO	SSELL◷	2,721	$137.86	$375.1K	-0.9%	Open the original filing on SEC.gov
May 4	Lewis William	Chair and CEO	SSELL◷	5,318	$137.01	$728.6K	-1.7%	Open the original filing on SEC.gov
May 4	Lewis William	Chair and CEO	SSELL◷	599	$135.18	$81K	-0.2%	Open the original filing on SEC.gov
May 4	Lewis William	Chair and CEO	SSELL◷	433	$134.18	$58.1K	-0.1%	Open the original filing on SEC.gov
May 4	Lewis William	Chair and CEO	MEXER◷	4,440	$17.16	$76.2K	+1.4%	Open the original filing on SEC.gov
May 4	Lewis William	Chair and CEO	MEXER◷	6,259	$30.46	$190.6K	+2.1%	Open the original filing on SEC.gov

MEXER◆—

Adsett Roger · Chief Operating…Aug 10

80,970 sh

MEXER◆—

Adsett Roger · Chief Operating…Aug 10

76,600 sh

MEXER◆—

Adsett Roger · Chief Operating…Aug 10

82,280 sh

SSELL$32M

Adsett Roger · Chief Operating…Aug 10

239,850 sh @ $133.27 · -70.8% own

MEXER$2.5M

Adsett Roger · Chief Operating…Aug 10

80,970 sh @ $30.46 · +31.4% own

MEXER$1.3M

Adsett Roger · Chief Operating…Aug 10

76,600 sh @ $17.16 · +42.3% own

MEXER$1.1M

Adsett Roger · Chief Operating…Aug 10

82,280 sh @ $13.67 · +83.3% own

MEXER◷◆—

Flammer Martina M.D. · Chief Medical…Aug 6

8,895 sh

MEXER◷◆—

Flammer Martina M.D. · Chief Medical…Aug 6

18,278 sh

SSELL◷$2.4M

Flammer Martina M.D. · Chief Medical…Aug 6

18,278 sh @ $129.40 · -23.2% own

SSELL◷$1.1M

Flammer Martina M.D. · Chief Medical…Aug 6

8,895 sh @ $127.00 · -10.2% own

MEXER◷$229.8K

Flammer Martina M.D. · Chief Medical…Aug 6

8,895 sh @ $25.83 · +11.3% own

MEXER◷$346.4K

Flammer Martina M.D. · Chief Medical…Aug 6

18,278 sh @ $18.95 · +30.2% own

MEXER◷◆—

Lewis William · Chair and CEOJul 23

4,440 sh

MEXER◷◆—

Lewis William · Chair and CEOJul 23

6,260 sh

SSELL◷$625K

Lewis William · Chair and CEOJul 23

5,872 sh @ $106.43 · -2.2% own

SSELL◷$509.9K

Lewis William · Chair and CEOJul 23

4,828 sh @ $105.62 · -1.8% own

MEXER◷$76.2K

Lewis William · Chair and CEOJul 23

4,440 sh @ $17.16 · +1.7% own

MEXER◷$190.7K

Lewis William · Chair and CEOJul 23

6,260 sh @ $30.46 · +2.4% own

MEXER◷◆—

Lewis William · Chair and CEOJul 9

4,440 sh

MEXER◷◆—

Lewis William · Chair and CEOJul 9

6,259 sh

SSELL◷$398.1K

Lewis William · Chair and CEOJul 9

3,359 sh @ $118.52 · -1.3% own

SSELL◷$274.6K

Lewis William · Chair and CEOJul 9

2,335 sh @ $117.62 · -0.9% own

SSELL◷$583.3K

Lewis William · Chair and CEOJul 9

5,005 sh @ $116.55 · -1.9% own

MEXER◷$76.2K

Lewis William · Chair and CEOJul 9

4,440 sh @ $17.16 · +1.7% own

MEXER◷$190.6K

Lewis William · Chair and CEOJul 9

6,259 sh @ $30.46 · +2.4% own

MEXER◷◆—

Flammer Martina M.D. · Chief Medical…Jul 6

4,357 sh

MEXER◷◆—

Flammer Martina M.D. · Chief Medical…Jul 6

7,945 sh

SSELL◷$823.7K

Flammer Martina M.D. · Chief Medical…Jul 6

7,448 sh @ $110.60 · -11.0% own

SSELL◷$529.2K

Flammer Martina M.D. · Chief Medical…Jul 6

4,854 sh @ $109.02 · -6.7% own

MEXER◷$86K

Flammer Martina M.D. · Chief Medical…Jul 6

4,357 sh @ $19.74 · +6.4% own

MEXER◷$231.4K

Flammer Martina M.D. · Chief Medical…Jul 6

7,945 sh @ $29.13 · +13.1% own

MEXER◷◆—

Lewis William · Chair and CEOJun 25

8,880 sh

MEXER◷◆—

Lewis William · Chair and CEOJun 25

12,518 sh

SSELL◷$137.3K

Lewis William · Chair and CEOJun 25

1,292 sh @ $106.27 · -0.5% own

SSELL◷$258.5K

Lewis William · Chair and CEOJun 25

2,456 sh @ $105.27 · -0.9% own

SSELL◷$388.2K

Lewis William · Chair and CEOJun 25

3,723 sh @ $104.28 · -1.4% own

SSELL◷$189.3K

Lewis William · Chair and CEOJun 25

1,836 sh @ $103.10 · -0.7% own

SSELL◷$1.2M

Lewis William · Chair and CEOJun 25

12,091 sh @ $102.34 · -4.3% own

MEXER◷$152.4K

Lewis William · Chair and CEOJun 25

8,880 sh @ $17.16 · +3.3% own

MEXER◷$381.3K

Lewis William · Chair and CEOJun 25

12,518 sh @ $30.46 · +4.8% own

AGRANT◆—

Butera Samuele · SVP, GM, Global…Jun 23

12,570 sh

AGRANT—

Butera Samuele · SVP, GM, Global…Jun 23

7,342 sh

SSELL◷$173.1K

Smith Michael Alexander · Chief Legal…Jun 22

1,806 sh @ $95.82 · -4.6% own

SSELL◷$612.6K

Lewis William · Chair and CEOJun 8

6,515 sh @ $94.03 · -2.5% own

SSELL◷$192.8K

Flammer Martina M.D. · Chief Medical…Jun 5

1,858 sh @ $103.78 · -3.0% own

SSELL$220.8K

Smith Michael Alexander · Chief Legal…Jun 3

2,159 sh @ $102.27 · -5.2% own

SSELL$777.8K

Lewis William · Chair and CEOJun 3

7,605 sh @ $102.27 · -2.8% own

SSELL◷$262.4K

Flammer Martina M.D. · Chief Medical…Jun 3

2,566 sh @ $102.27 · -4.0% own

SSELL$245.9K

Bonstein Sara · Chief Financial…Jun 3

2,404 sh @ $102.27 · -3.4% own

SSELL$242.4K

Adsett Roger · Chief Operating…Jun 3

2,370 sh @ $102.27 · -2.4% own

SSELL◷$667K

Smith Michael Alexander · Chief Legal…May 22

6,149 sh @ $108.47 · -12.9% own

MEXER◷◆—

Lewis William · Chair and CEOMay 18

4,440 sh

MEXER◷◆—

Lewis William · Chair and CEOMay 18

6,259 sh

SSELL◷$853.1K

Lewis William · Chair and CEOMay 18

7,975 sh @ $106.97 · -2.8% own

SSELL◷$1.3M

Lewis William · Chair and CEOMay 18

11,836 sh @ $106.39 · -4.0% own

SSELL◷$605.9K

Lewis William · Chair and CEOMay 18

5,753 sh @ $105.32 · -1.9% own

MEXER◷$76.2K

Lewis William · Chair and CEOMay 18

4,440 sh @ $17.16 · +1.5% own

MEXER◷$190.6K

Lewis William · Chair and CEOMay 18

6,259 sh @ $30.46 · +2.2% own

SSELL◷$1.2M

Flammer Martina M.D. · Chief Medical…May 14

10,479 sh @ $117.54 · -13.9% own

SSELL$477.4K

Smith Michael Alexander · Chief Legal…May 13

4,109 sh @ $116.18 · -7.9% own

AGRANT—

Lee Leo · DirectorMay 13

3,305 sh · +6.0% own

SSELL$1.5M

Lewis William · Chair and CEOMay 13

13,283 sh @ $116.18 · -4.4% own

AGRANT—

Schafer Carol · DirectorMay 13

3,305 sh · +5.2% own

AGRANT—

Sharoky Melvin MD · DirectorMay 13

3,305 sh · +1.4% own

SSELL◷$393.2K

Flammer Martina M.D. · Chief Medical…May 13

3,384 sh @ $116.18 · -4.3% own

SSELL◷$504K

Flammer Martina M.D. · Chief Medical…May 13

4,470 sh @ $112.76 · -5.4% own

AGRANT—

Desjardins Clarissa · DirectorMay 13

3,305 sh · +4.9% own

AGRANT—

Brennan David R · DirectorMay 13

3,305 sh · +5.4% own

SSELL$961K

Bonstein Sara · Chief Financial…May 13

8,272 sh @ $116.18 · -10.4% own

SSELL$678.1K

Adsett Roger · Chief Operating…May 13

5,837 sh @ $116.18 · -5.5% own

AGRANT—

Anderson Elizabeth M · DirectorMay 13

3,305 sh · +5.6% own

MEXER◷◆—

Flammer Martina M.D. · Chief Medical…May 11

12,949 sh

SSELL◷$84K

Flammer Martina M.D. · Chief Medical…May 11

830 sh @ $101.18 · -1.0% own

SSELL◷$1.2M

Flammer Martina M.D. · Chief Medical…May 11

12,119 sh @ $100.35 · -12.6% own

MEXER◷$221K

Flammer Martina M.D. · Chief Medical…May 11

12,949 sh @ $17.07 · +15.6% own

MEXER◷◆—

Lewis William · Chair and CEOMay 4

4,440 sh

MEXER◷◆—

Lewis William · Chair and CEOMay 4

6,259 sh

SSELL◷$53.2K

Lewis William · Chair and CEOMay 4

381 sh @ $139.60 · -0.1% own

SSELL◷$173.4K

Lewis William · Chair and CEOMay 4

1,247 sh @ $139.09 · -0.4% own

SSELL◷$375.1K

Lewis William · Chair and CEOMay 4

2,721 sh @ $137.86 · -0.9% own

SSELL◷$728.6K

Lewis William · Chair and CEOMay 4

5,318 sh @ $137.01 · -1.7% own

SSELL◷$81K

Lewis William · Chair and CEOMay 4

599 sh @ $135.18 · -0.2% own

SSELL◷$58.1K

Lewis William · Chair and CEOMay 4

433 sh @ $134.18 · -0.1% own

MEXER◷$76.2K

Lewis William · Chair and CEOMay 4

4,440 sh @ $17.16 · +1.4% own

MEXER◷$190.6K

Lewis William · Chair and CEOMay 4

6,259 sh @ $30.46 · +2.1% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

All 28 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.