Company record · INSM · Pharmaceutical Preparations
INSMED Inc
INSMED Inc disclosed a change in its chief financial officer, effective October 30, 2026. Until then the filing lists Sara Bonstein in the role. See the filing record.
The record holds 1 verified CFO change for INSMED Inc from Form 8-K filings, filed October 5, 2026 and the CFO signature on its 10-K filed February 19, 2026.
The CFO seat
Computed from the records below: a move filed on or after the 10-K replaces the 10-K's signature.
| Status | Change pending |
|---|---|
| Officer | Sara Bonstein |
| Effective | October 30, 2026 |
| Basis | Latest move: departure, 8-K filed October 5, 2026 |
Seat timeline
2Every verified record for this seat, newest first, dated as the filing states it.
2026-10-05Departure
Insmed Incorporated discloses CFO departure: Sara Bonsteineffective October 30, 2026 · 8-K filed October 5, 2026 · sec.gov, Item 5.02
2026-02-1910-K signature
Sara Bonstein signed the annual report as Chief Financial Officer (Principal Financial and Accounting Officer)
10-K filed February 19, 2026 · sec.gov
“/s/ SARA BONSTEIN Chief Financial Officer (Principal Financial and Accounting Officer)”
Company
| Ticker | INSM |
|---|---|
| SEC CIK | 0001104506 |
| Industry (SIC) | Pharmaceutical Preparations (2834) |
| Roster note | The DEF 14A filed 2026-04-01 also names Sara Bonstein alongside a Chief Financial Officer title. An 8-K with Item 5.02 was filed on 2026-10-20, after this 10-K; any CFO change it reports is tracked on the moves record. |
Same industry on the record
8Other companies the roster files under SIC “Pharmaceutical Preparations”.
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Departure disclosed · Robert Weinstein · no successor on the record yet
Actinium Pharmaceuticals, Inc.ATNM
CFO: Matt David, M.D. · effective October 14, 2026
Adial Pharmaceuticals, Inc.ADIL
Departure disclosed · Vinay Shah · no successor on the record yet
BeyondSpring Inc.BYSI
CFO: Na Li · effective July 1, 2026
CalciMedica, Inc.CALC
Departure disclosed · Stephen Bardin · no successor on the record yet
Cue Biopharma, Inc.CUE
CFO: James Ahlers · effective July 30, 2026
Emergent BioSolutions Inc.EBS
Change disclosed, effective January 1, 2027 · incoming: Frank Vargo
This record covers what the tracked filings state; it is not a complete history of the company's finance leadership. Spot an error? Send a correction.