Companies / Insmed Inc

Insmed Inc

Nasdaq: INSMCIK 1104506BRIDGEWATER, NJ

Financials · FY2025

Revenue$606.42M
Net income$-1.28B
Total debt$555.46M
Cash$544.76M
Diluted EPS$-6.42
Shares outstanding218.4M

Ownership

218.4M shares outstanding · as of Jul 31, 2026
0.57%Insiders
Ownership
Insiders0.57%1,253,786
10%+ / strategic17.76%38,781,505
Institutions87.32%190,696,870
Public float0.00%0

Reported holdings exceed shares outstanding — public float shown as 0; some positions may overlap or lag.

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 14

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Insider% of sharesShares
0.12%261,054
Lewis WilliamCEOChair and CEO · Director
0.12%258,917
Adsett RogerChief Operating Officer
0.05%98,603
0.04%97,723
0.03%70,312
Bonstein SaraChief Financial Officer
0.03%69,082
0.03%66,622
0.03%64,238
0.03%62,034
Flammer Martina M.D.Chief Medical Officer
0.03%60,486

Institutional holders 681

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Activity

InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
Apr 1, 2026Adsett Roger
Executive
SellCommon Stock$10.28M-62K
-36.86%
106,810
0.05% of shares
medium
Jan 2, 2026Schaeffer Orlov S Nicole
Executive
SellCommon Stock$5.97M-34K
-34.79%
63,911
0.03% of shares
medium
Jan 2, 2026Schaeffer Orlov S Nicole
Executive
SellCommon Stock$5.41M-31K
-24.05%
98,014
0.04% of shares
medium
Apr 1, 2026Adsett Roger
Executive
SellCommon Stock$3.12M-19K
-10.10%
169,154
0.08% of shares
medium
Mar 30, 2026Smith Michael Alexander
Executive
SellCommon Stock$2.96M-20K
-27.46%
51,871
0.02% of shares
medium
Feb 24, 2026Smith Michael Alexander
Executive
SellCommon Stock$2.47M-16K
-23.32%
51,871
0.02% of shares
medium
Jan 2, 2026Schaeffer Orlov S Nicole
Executive
SellCommon Stock$2.26M-13K
-20.08%
51,079
0.02% of shares
medium
Jan 2, 2026Schaeffer Orlov S Nicole
Executive
SellCommon Stock$1.62M-9K
-17.86%
41,954
0.02% of shares
medium

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Vanguard Group IncPassive13G/A0
BlackRock, Inc.Passive13G/A14,121,445
Darwin Global Management, Ltd.Passive13G/A
Vanguard Capital ManagementPassive13G11,514,893
Fmr LLCPassive13G13,145,167

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
INSM457669307