William H. Lewis owns 0.23% of Insmed
492,982 shares as of the July 23, 2026 filing, worth $46M at the latest close.
INSM · $20.4B market capGet an email when William H. Lewis’s stake moves.
Free.
The stake
0.23%
worth $46M at the latest close
Stake rank
#761
by dollar value of the stake
Last sale
110 days ago
Jul 9, 2026
Last buy
2,917 days ago
Nov 1, 2018 · $249,600
William H. Lewis owns 0.23% of INSMED Inc: 492,982 of 218,381,503 shares, worth about $46M at the 2026-10-26 close. The stake has moved from 0.08% in 2016 to 0.23% on 2026-07-31, across 33 sales and 2 purchases that moved it since 2016. The last trade that moved it was a planned sale of $1.3M on 2026-07-09.
How the stake is held
as of the Jul 23, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated Jul 23, 2026 · Form 4 ↗
HELD DIRECTLY
259,058
52.5%
HELD INDIRECTLY · By trust
233,924
47.5%
THE STAKE
492,982
0.23%