Smith Michael Alexander

Insider

Chief Legal Officer

Trades at: INSM

30D 90D 1Y

Net shares · 365d

-113.7K

0 buy · 113.7K sell

Net value · 365d

-$17.5M

$0 in · $17.5M out

Sentiment · 365d

Net selling

0% buying · 100% selling

Open-market trades · 365d

0 buy · 113.7K sell

Trading track record · all companies

Running net of open-market buys − sells across every company. Tap the line or a marker for details. ▲ buy · ▼ sell.

Transactions · 365d

Open-market Buys Sells All types

INSM Sell·S
Jun 3, 26

Chief Legal Officer

$220.8K

2.2K sh · $102.27

Own -5%
INSM Sell·S
May 22, 26

Chief Legal Officer · 10b5-1

$667.0K

6.1K sh · $108.47

Own -13%
INSM Sell·S
May 13, 26

Chief Legal Officer

$477.4K

4.1K sh · $116.18

Own -8%
INSM Exercise·M
Mar 30, 26

Chief Legal Officer · 10b5-1

$0

19.6K sh · 2 lots

Own New
INSM Sell·S
Mar 30, 26

Chief Legal Officer · 10b5-1

$3.0M

19.6K sh · $150.98

Own -27%
INSM Exercise·M
Mar 30, 26

Chief Legal Officer · 10b5-1

$486.6K

19.6K sh · $24.78 avg · 2 lots

Own +52%
INSM Exercise·M
Feb 24, 26

Chief Legal Officer · 10b5-1

$0

20.2K sh

Own New
INSM Sell·S
Feb 24, 26

Chief Legal Officer · 10b5-1

$3.9M

24.8K sh · $155.77 avg · 3 lots

Own -32%
INSM Exercise·M
Feb 24, 26

Chief Legal Officer · 10b5-1

$345.6K

20.2K sh · $17.07

Own +36%
INSM Sell·S
Feb 3, 26

Chief Legal Officer

$100.0K

640 sh · $156.27

Own -1%
INSM Sell·S
Jan 8, 26

Chief Legal Officer

$549.5K

3.2K sh · $174.00 avg · 3 lots

Own -5%
INSM Grant·A
Jan 2, 26

Chief Legal Officer

$0

27.6K sh

Own New
INSM Grant·A
Jan 2, 26

Chief Legal Officer

—

5.3K sh

Own +10%
INSM Exercise·M
Nov 3, 25

Chief Legal Officer · 10b5-1

$0

27.1K sh

Own New
INSM Sell·S
Nov 3, 25

Chief Legal Officer · 10b5-1

$5.0M

27.1K sh · $183.78 avg · 8 lots

Own -30%
INSM Exercise·M
Nov 3, 25

Chief Legal Officer · 10b5-1

$644.3K

27.1K sh · $23.75

Own +49%
INSM Exercise·M
Sep 2, 25

Chief Legal Officer · 10b5-1

$0

12.8K sh

Own New
INSM Sell·S
Sep 2, 25

Chief Legal Officer · 10b5-1

$3.5M

24.3K sh · $143.89 avg · 6 lots

Own -24%
INSM Exercise·M
Sep 2, 25

Chief Legal Officer · 10b5-1

$389.3K

12.8K sh · $30.46

Own +19%
INSM Sell·S
Jul 15, 25

Chief Legal Officer · 10b5-1

$167.8K

1.7K sh · $99.80 avg · 2 lots

Own -2%

Date▾	Ticker	Role	Type	Shares	Own Δ	Price	Value
Jun 3, 2026	INSM	Chief Legal Officer	Sell S	2.2K	-5%	$102.27	$220.8K
May 22, 2026	INSM	Chief Legal Officer	Sell S	6.1K	-13%	$108.47	$667.0K
May 13, 2026	INSM	Chief Legal Officer	Sell S	4.1K	-8%	$116.18	$477.4K
Mar 30, 2026	INSM	Chief Legal Officer	Exercise M	19.6K2 lots	New	—	$0
Mar 30, 2026	INSM	Chief Legal Officer	Sell S	19.6K	-27%	$150.98	$3.0M
Mar 30, 2026	INSM	Chief Legal Officer	Exercise M	19.6K2 lots	+52%	$24.78 avg	$486.6K
Feb 24, 2026	INSM	Chief Legal Officer	Exercise M	20.2K	New	—	$0
Feb 24, 2026	INSM	Chief Legal Officer	Sell S	24.8K3 lots	-32%	$155.77 avg	$3.9M
Feb 24, 2026	INSM	Chief Legal Officer	Exercise M	20.2K	+36%	$17.07	$345.6K
Feb 3, 2026	INSM	Chief Legal Officer	Sell S	640	-1%	$156.27	$100.0K
Jan 8, 2026	INSM	Chief Legal Officer	Sell S	3.2K3 lots	-5%	$174.00 avg	$549.5K
Jan 2, 2026	INSM	Chief Legal Officer	Grant A	27.6K	New	—	$0
Jan 2, 2026	INSM	Chief Legal Officer	Grant A	5.3K	+10%	—	—
Nov 3, 2025	INSM	Chief Legal Officer	Exercise M	27.1K	New	—	$0
Nov 3, 2025	INSM	Chief Legal Officer	Sell S	27.1K8 lots	-30%	$183.78 avg	$5.0M
Nov 3, 2025	INSM	Chief Legal Officer	Exercise M	27.1K	+49%	$23.75	$644.3K
Sep 2, 2025	INSM	Chief Legal Officer	Exercise M	12.8K	New	—	$0
Sep 2, 2025	INSM	Chief Legal Officer	Sell S	24.3K6 lots	-24%	$143.89 avg	$3.5M
Sep 2, 2025	INSM	Chief Legal Officer	Exercise M	12.8K	+19%	$30.46	$389.3K
Jul 15, 2025	INSM	Chief Legal Officer	Sell S	1.7K2 lots	-2%	$99.80 avg	$167.8K

Buy Sell Non-market (grant · exercise · gift)

About Smith Michael Alexander

This profile aggregates every SEC Form 4 insider transaction reported by Smith Michael Alexander across all companies they trade. Open-market purchases (code P) and sales (code S) are the highest-signal, discretionary trades; grants (A), option exercises (M) and gifts (G) reflect compensation rather than conviction and carry no market price. Figures cover the selected period and update as new filings are ingested.