Quick Takeaways
- Geoff Mcdonough has 3 issuer positions tracked on this page.
- Estimated disclosed ownership value: $13,576.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Geoff Mcdonough
- Location
- Cambridge, MA
- Summary
- The estimated net worth of Geoff Mcdonough is at least $13,576 dollars as of 09 Feb 2026. Geoff Mcdonough is the Director of Generation Bio Co. and owns shares of Generation Bio Co. (GBIO) stock worth about $13.6K.
- Signature
- /s/ Shawna-Gay White, Attorney-in-Fact
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Geoff Mcdonough and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: Generation Bio Co. ($13,576).
- 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 Geoff Mcdonough
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| GBIO | Generation Bio Co. | Director | $13,576 | 09 Feb 2026 | ||
| SURF | Surface Oncology, Inc. | Director | 08 Jun 2021 | |||
| THRD | Third Harmonic Bio, Inc. | Director | 27 Mar 2024 |
Insider Transactions Reported by Geoff Mcdonough:
| 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.