Quick Takeaways
- Michael Grissinger has 3 issuer positions tracked on this page.
- Estimated disclosed ownership value: $4,680.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Michael Grissinger
- Location
- Boston, MA
- Summary
- The estimated net worth of Michael Grissinger is at least $4,680 dollars as of 09 Jun 2025. Michael Grissinger is the Director of Aprea Therapeutics, Inc. and owns shares of Aprea Therapeutics, Inc. (APRE) stock worth about $4.7K.
- Signature
- /s/ John Hamill, as Attorney-in-Fact
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Michael Grissinger 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: Aprea Therapeutics, Inc. ($4,680).
- 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 Michael Grissinger
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| APRE | Aprea Therapeutics, Inc. | Director | $4,680 | 05 Jun 2025 | ||
| ACET | Adicet Bio, Inc. | Director | 17 Apr 2025 | |||
| AKTX | Akari Therapeutics Plc | Director | 28 Jun 2024 |
Insider Transactions Reported by Michael Grissinger:
| 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.