Feinberg Peter
SEC insider (Form 3/4/5 filer). CIK 0001870076. Director at Immuneering Corp (IMRX). 9 reported Form 4/5 transactions since Sep 2024; latest on Jun 11, 2026. Located in CAMBRIDGE, MA.
Companies Feinberg Peter has filed insider reports for
- Immuneering Corp (IMRX): Director
Feinberg Peter
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
AwardDirectStock Option
33.4K shares- - Jan 12, 2026IMRX
Immuneering Corp
PurchaseIndirect20K shares at avg. $4.35$87K - Jan 1, 2026IMRX
Immuneering Corp
AwardDirectStock Option
7.9K shares- - Oct 3, 2025IMRX
Immuneering Corp
PurchaseDirect7.5K shares at avg. $6.67$50K - Sep 30, 2025IMRX
Immuneering Corp
PurchaseDirect7.5K shares at avg. $7.03$53K - Sep 29, 2025IMRX
Immuneering Corp
PurchaseDirect5K shares at avg. $7.18$36K - Jun 18, 2025IMRX
Immuneering Corp
PurchaseDirect25K shares at avg. $2.53$63K - Jun 13, 2025IMRX
Immuneering Corp
AwardDirectStock Option
33.4K shares- - Jan 1, 2025IMRX
Immuneering Corp
AwardDirectStock Option
23.5K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 11, 2026 | IMRX Immuneering Corp | Award Stock Option | 33,350 | - | - | Direct |
| Jan 12, 2026 | IMRX Immuneering Corp | Purchase | 20,000 | $4.35 | $86,904 | Indirect |
| Jan 1, 2026 | IMRX Immuneering Corp | Award Stock Option | 7,888 | - | - | Direct |
| Oct 3, 2025 | IMRX Immuneering Corp | Purchase | 7,500 | $6.67 | $50,025 | Direct |
| Sep 30, 2025 | IMRX Immuneering Corp | Purchase | 7,500 | $7.03 | $52,730 | Direct |
| Sep 29, 2025 | IMRX Immuneering Corp | Purchase | 5,000 | $7.18 | $35,900 | Direct |
| Jun 18, 2025 | IMRX Immuneering Corp | Purchase | 25,000 | $2.53 | $63,188 | Direct |
| Jun 13, 2025 | IMRX Immuneering Corp | Award Stock Option | 33,350 | - | - | Direct |
| Jan 1, 2025 | IMRX Immuneering Corp | Award Stock Option | 23,485 | - | - | Direct |
1-9 of 9 transactions