Peter Feinberg
CIK: 0001870076
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Immuneering Corp
Discretionary Trading P&L
Holdings
Transaction History (9 total)
- Jun 11, 2026IMRX
Immuneering Corp
Award(A)DirectStock Option
33.4K shares- - Jan 12, 2026IMRX
Immuneering Corp
Purchase(P)Indirect20K shares at avg. $4.35$87K - Jan 1, 2026IMRX
Immuneering Corp
Award(A)DirectStock Option
7.9K shares- - Oct 3, 2025IMRX
Immuneering Corp
Purchase(P)Direct7.5K shares at avg. $6.67$50K - Sep 30, 2025IMRX
Immuneering Corp
Purchase(P)Direct7.5K shares at avg. $7.03$53K - Sep 29, 2025IMRX
Immuneering Corp
Purchase(P)Direct5K shares at avg. $7.18$36K - Jun 18, 2025IMRX
Immuneering Corp
Purchase(P)Direct25K shares at avg. $2.53$63K - Jun 13, 2025IMRX
Immuneering Corp
Award(A)DirectStock Option
33.4K shares- - Jan 1, 2025IMRX
Immuneering Corp
Award(A)DirectStock Option
23.5K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 11, 2026 | IMRX Immuneering Corp | Award(A) Stock Option | 33,350 | - | - | Direct |
| Jan 12, 2026 | IMRX Immuneering Corp | Purchase(P) | 20,000 | $4.35 | $86,904 | Indirect |
| Jan 1, 2026 | IMRX Immuneering Corp | Award(A) Stock Option | 7,888 | - | - | Direct |
| Oct 3, 2025 | IMRX Immuneering Corp | Purchase(P) | 7,500 | $6.67 | $50,025 | Direct |
| Sep 30, 2025 | IMRX Immuneering Corp | Purchase(P) | 7,500 | $7.03 | $52,730 | Direct |
| Sep 29, 2025 | IMRX Immuneering Corp | Purchase(P) | 5,000 | $7.18 | $35,900 | Direct |
| Jun 18, 2025 | IMRX Immuneering Corp | Purchase(P) | 25,000 | $2.53 | $63,188 | Direct |
| Jun 13, 2025 | IMRX Immuneering Corp | Award(A) Stock Option | 33,350 | - | - | Direct |
| Jan 1, 2025 | IMRX Immuneering Corp | Award(A) Stock Option | 23,485 | - | - | Direct |
1-9 of 9 transactions
About Feinberg Peter
Feinberg Peter (SEC CIK 0001870076) files insider reports with the SEC as Director of Immuneering Corp (IMRX).
Signal8 holds 9 ownership filings by Feinberg Peter, all Form 4s, filed between Jan 2, 2025 and Jun 11, 2026. Those filings report 9 transactions, from Jan 1, 2025 to Jun 11, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Feinberg Peter's filings is in CAMBRIDGE, MA.
Recent filings by Feinberg Peter
- Jun 11, 2026: Grant or award of IMRX derivative securities (Form 4, code A).
- Jan 12, 2026: Open-market purchase of IMRX shares (Form 4, code P).
- Jan 1, 2026: Grant or award of IMRX derivative securities (Form 4, code A).
- Oct 3, 2025: Open-market purchase of IMRX shares (Form 4, code P).
- Sep 30, 2025: Open-market purchase of IMRX shares (Form 4, code P).
Other insiders filing for Immuneering Corp (IMRX)
- Gengos Andrew, Chief Financial Officer
- Zeskind Benjamin J., PRESIDENT AND CEO
- Hall Brett Matthew, CHIEF SCIENTIFIC OFFICER
- Schall Thomas J., Director
- HAUSMAN DIANA, Director
- CARPENTER ROBERT J, Director