Quick Takeaways
- Gregory Austin Ciongoli has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $5,938,470.
- Recent insider filing activity is available below.
Insider Trading & Ownership of Gregory Austin Ciongoli
- Location
- Wellesley, MA
- Summary
- The estimated net worth of Gregory Austin Ciongoli is at least $5,938,470 dollars as of 12 Jan 2026. Gregory Austin Ciongoli is the Director of Zymeworks Inc. and owns shares of Zymeworks Inc. (ZYME) stock worth about $5.94M.
- Signature
- /s/ Daniel Dex, Attorney-in-Fact
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Gregory Austin Ciongoli and return when a new Insider Trading filing changes the record on this page.
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What Changed
- Largest disclosed position: Zymeworks Inc. ($5,938,470).
- 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 Gregory Austin Ciongoli
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| ZYME | Zymeworks Inc. | Director | $5,938,470 | 12 Jan 2026 |
Insider Transactions Reported by Gregory Austin Ciongoli:
| 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.