Quick Takeaways
- Anna Berkenblit has 2 issuer positions tracked on this page.
- Estimated disclosed ownership value: $3,377,033.
- Recent insider filing activity is available below.
Insider Trading & Ownership of Anna Berkenblit
- Location
- Waltham, MA
- Summary
- The estimated net worth of Anna Berkenblit is at least $3,377,033 dollars as of 14 May 2026. Anna Berkenblit is the SVP & CHIEF MEDICAL OFFICER of ImmunoGen, Inc. and owns shares of ImmunoGen, Inc. stock worth about $3.38M.
- Signature
- /s/ Charles Williams, Attorney-in-Fact for Anna Berkenblit
- All Insider Reports
- All Insider Reports
Follow Filing Activity
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What Changed
- Largest disclosed position: ImmunoGen, Inc. ($3,377,033).
- Past-year value change for that position: .
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Anna Berkenblit
IMGN
Forms 3/4/5
ImmunoGen, Inc.
- Relationship
- Svp & Chief Medical Officer
- Holdings value
- $3,377,033
- Past year net change
- Change %
- Report period
- 30 Jun 2023
SRZN, SRZNW
Forms 3/4/5
Surrozen, Inc./DE
- Relationship
- Director
- Holdings value
- Past year net change
- Change %
- Report period
- 13 May 2026
Insider Transactions Reported by Anna Berkenblit:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.