INSMED INCORPORATED
Ownership & governance
Executives 5Directors 7Avg age 61Avg tenure 9.7y
WL
Will Lewis
Chief Executive Officer
Age 57Since 2012-09-09Profile →
+11
Executives5
WL
Will Lewis→
Chief Executive Officer
Age 57Since 2012-09-09
SB
Sara Bonstein→
Director of Finance/CFO
Age 45Since 2020-01-30
MF
Martina Flammer→
Chief Tech/Sci/R&D Officer
Age 62Since 2019-12-18
RA
Roger Adsett→
Chief Operating Officer
Age 57Since 2019-11-13
WP
Walter R. Perkins→
Chief Tech/Sci/R&D Officer
—Since 2010-11-30
Board of directors7
MS
Melvin Sharoky→
Chairman
Age 75Since 2009-06-15
WL
Will Lewis→
Chairman
Age 57Since 2018-11-07
DB
David Brennan→
Director/Board Member
Age 72Since 2014-05-28
YL
Yao Lee→
Director/Board Member
Age 56Since 2018-05-16
EA
Elizabeth Anderson→
Director/Board Member
Age 68Since 2018-11-07
CD
Clarissa Desjardins→
Director/Board Member
Age 59Since 2019-10-31
CS
Carol Schafer→
Director/Board Member
Age 62Since 2020-03-31
Shareholders5
| Name | Stake | Shares |
|---|---|---|
| JPMorgan Investment Management, Inc. | 11.14 % | 24,150,499 |
| Darwin Global Management Ltd. | 7.753 % | 16,805,184 |
| BlackRock Advisors LLC | 6.295 % | 13,644,256 |
| Fidelity Management & Research Co. LLC | 6.071 % | 13,158,651 |
| Vanguard Portfolio Management LLC | 4.785 % | 10,371,802 |
Catalog · 2026-07-09
Registry officers12
| Name | Role | Since | Shares |
|---|---|---|---|
| Martina Flammer | Chief Tech/Sci/R&D Officer | 2019-12-18 | - |
| Melvin Sharoky | Chairman | 2009-06-15 | - |
| Roger Adsett | Chief Operating Officer | 2019-11-13 | - |
| Sara Bonstein | Director of Finance/CFO | 2020-01-30 | - |
| Walter R. Perkins | Chief Tech/Sci/R&D Officer | 2010-11-30 | - |
| Will Lewis | Chief Executive Officer | 2012-09-09 | - |
| Will Lewis | Chairman | 2018-11-07 | - |
| Carol Schafer | Director/Board Member | 2020-03-31 | - |
Registry · as of 2026-07-09
Institutional (13F)
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Fund membership
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Street consensus
Consensus strong buyMean target 197.74Range 169–243Analysts 23
169Mean 197.74243
- Strong buy 5
- Buy 19
Broker actions40 of 229
| Firm | Action | To | Target | Date |
|---|---|---|---|---|
| Wolfe Research | Downgrade | Peer Perform | — | 2026-10-12 |
| HC Wainwright & Co. | Reiterated | Buy | 220 | 2026-10-12 |
| Barclays | Maintained | Overweight | 207 | 2026-09-30 |
| Roth Capital | Reiterated | Buy | 198 | 2026-09-15 |
| JP Morgan | Maintained | Overweight | 175 | 2026-08-10 |
| Truist Securities | Reiterated | Buy | 195 | 2026-08-10 |
| Guggenheim | Maintained | Buy | 205 | 2026-08-07 |
| Wells Fargo | Maintained | Overweight | 169 | 2026-08-07 |
| Evercore ISI Group | Maintained | Outperform | 170 | 2026-08-07 |
| BMO Capital | Initiated | Outperform | 192 | 2026-07-21 |
| Wells Fargo | Maintained | Overweight | 161 | 2026-07-15 |
| Guggenheim | Reiterated | Buy | 207 | 2026-07-10 |
Firm rows and rating mix from Yahoo Finance; mean target is Yahoo’s aggregate until OpenFilings derives consensus from broker rows.