← All insider activity
LW

Lewis William

Chair and CEO · Officer · Director

Trades on file
12
Bought
—
0 buys
Sold
$10.3M
7 sells
Active
May 4, 2026
to Jul 23, 2026
Email me when Lewis William files next
Free alert, minutes after the SEC filing lands. One-click unsubscribe.

Buy / sell flow

— boughtNet seller · $10.3M$10.3M sold

Most-traded tickers

Where this insider has filed the most. Tap through to the stock.

INSM0B / 7S · $10.3M

Recent transactions

Newest filings first.

S
INSM
Jul 23, 2026 · 10,700 sh
$1.1M
sell
M
INSM
Jul 23, 2026 · 10,700 sh
$267K
M
M
INSM
Jul 9, 2026 · 10,699 sh
$267K
M
S
INSM
Jul 9, 2026 · 10,699 sh
$1.3M
sell
M
INSM
Jun 25, 2026 · 21,398 sh
$534K
M
S
INSM
Jun 25, 2026 · 21,398 sh
$2.2M
sell
S
INSM
Jun 8, 2026 · 6,515 sh
$613K
sell
S
INSM
Jun 3, 2026 · 7,605 sh
$778K
sell
M
INSM
May 18, 2026 · 10,699 sh
$267K
M
S
INSM
May 18, 2026 · 25,564 sh
$2.7M
sell
S
INSM
May 13, 2026 · 13,283 sh
$1.5M
sell
M
INSM
May 4, 2026 · 6,259 sh
$191K
M