Quick Takeaways
- Gregory Grunberg has 2 issuer positions tracked on this page.
- Estimated disclosed ownership value: $36,745,536.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Gregory Grunberg
- Location
- Waltham, MA
- Summary
- The estimated net worth of Gregory Grunberg is at least $36,745,536 dollars as of 13 Feb 2023. Gregory Grunberg is the Director of Kala Pharmaceuticals, Inc. and owns shares of KALA BIO, Inc. (KALA) stock worth about $36.75M.
- Signature
- /s/ Ryan A. Murr, as attorney-in-fact for Gregory Grunberg
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Gregory Grunberg and return when a new Insider Trading filing appears.
This tracks SEC filing changes for this page using existing product update flows.
What Changed
- Largest disclosed position: Kala Pharmaceuticals, Inc. ($36,745,536).
- 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.
Official SEC Source
Filed on Form 4
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
See Original FilingOwnership of Gregory Grunberg
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| KALA | Kala Pharmaceuticals, Inc. | Director | $36,745,536 | 17 Jun 2021 | ||
| ETNB | 89bio, Inc. | Director, 10%+ Owner | 09 Feb 2023 |
Insider Transactions Reported by Gregory Grunberg:
| 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.