CFO SpotlightsCareers of chief financial officers, from the filings. Records as of October 28, 2026
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Profile

Sara Bonstein

Chief Financial Officer (Principal Financial and Accounting Officer), Insmed Incorporated

Leaving, effective October 30, 2026. First published here October 28, 2026; built from records as of October 28, 2026.

Sara Bonstein is leaving the chief financial officer seat at Insmed Incorporated: the company's filing of October 5, 2026 gives October 30, 2026 as the effective date.2

Seats

The seat in the record

CompanyTitle as filedStandingFilings
Insmed Incorporated (INSM)
Pharmaceutical Preparations
Chief Financial Officer (Principal Financial and Accounting Officer)Leaving, effective October 30, 20262

Company names link to the company's page in the record at CFO Tribune, which holds the seat history.

The record

Filing by filing, latest first

  1. October 30, 2026takes effect

    Insmed Incorporated reported the departure of Sara Bonstein from the chief financial officer seat, effective October 30, 2026.

    On October 5, 2026, Insmed Incorporated (the “Company”) announced that Sara Bonstein, the Company’s Chief Financial Officer, would be separating from the Company, effective October 30, 2026, and the Company has a search underway to identify a successor.

    [2] Filing by Insmed Incorporated, filed with the SEC on October 5, 2026. Read the filing. The record at CFO Tribune.

  2. February 19, 202610-K filed

    Sara Bonstein signed the annual report of INSMED Inc on Form 10-K as Chief Financial Officer (Principal Financial and Accounting Officer), filed February 19, 2026.

    /s/ SARA BONSTEIN Chief Financial Officer (Principal Financial and Accounting Officer)

    [1] Annual report on Form 10-K by INSMED Inc, filed with the SEC on February 19, 2026. Read the filing. The record at CFO Tribune.

Sources

Sources

  1. Annual report on Form 10-K, INSMED Inc. U.S. Securities and Exchange Commission, EDGAR, filed February 19, 2026. sec.gov; record.
  2. Current report filed with the SEC, Insmed Incorporated. U.S. Securities and Exchange Commission, EDGAR, filed October 5, 2026. sec.gov; record.

Corrections and removal

If a line here is wrong, or Sara Bonstein wants this profile taken down, write to corrections@cfospotlights.com. Corrections are made on the page with a dated note; removal requests are answered within 72 hours. The underlying filings stay public at the SEC.