David R Brennan

INSM

David R Brennan serves as director at Insmed Incorporated (INSM). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

1 trades

$301.5K

Total Sells

1 trades

$3.10M

Net Position

Net Seller

$2.80M

Companies Traded

INSM

Active Period

Nov 2021 – Sep 2026

2 total trades

Most Recent

Sell INSM

Sep 11, 2026 · $3.10M

David R Brennan's Insider Trading at Insmed Incorporated (INSM)

Buys

1 · $301.5K

Sells

1 · $3.10M

Total Shares Bought

10,000

Total Shares Sold

25,000

INSM Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Sep 11, 2026	Sell	25,000	$124.00	$3.10M	39,238
Nov 3, 2021	Buy	10,000	$30.15	$301.5K	80,876

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