Updated Jul 16, 2026 · Last SEC filing 2026-06-24
Immuneering Corp (IMRX) has filed 7 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-24. 4 Form 8-K material event filings were reported by IMRX in the last 90 days. InsiderAlpha tracks every IMRX SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Pharmaceutical Preparations (SIC 2834) |
|---|---|
| SEC CIK | 0001790340 |
| Form 4 filings (90d) | 7 |
|---|---|
| Form 8-K filings (90d) | 4 |
| Latest Form 4 filing | 2026-06-24 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Zeskind Benjamin J. | PRESIDENT AND CEO | P — Open-market purchase | 2.4K | $4.56 | $11K | SEC | |
| Hall Brett Matthew | CHIEF SCIENTIFIC OFFICER | P — Open-market purchase | 6.0K | $4.15 | $25K | SEC | |
| Neufeld Leah R | CHIEF PEOPLE OFFICER | A — Grant or award | 3.6K | $4.29 | $16K | SEC | |
| Brakewood Harold Eugene | Chief Business Officer | P — Open-market purchase | 5.2K | $4.76 | $25K | SEC | |
| Hall Brett Matthew | CHIEF SCIENTIFIC OFFICER | P — Open-market purchase | 2.3K | $4.57 | $11K | SEC | |
| Schall Thomas J. | Director | P — Open-market purchase | 21.6K | $4.67 | $101K | SEC | |
| Neufeld Leah R | CHIEF PEOPLE OFFICER | P — Open-market purchase | 2.6K | $4.15 | $11K | SEC | |
| Feinberg Peter | Director | P — Open-market purchase | 20.0K | $4.35 | $87K | SEC | |
| Feinberg Peter | Director | P — Open-market purchase | 7.5K | $6.67 | $50K | SEC | |
| Neufeld Leah R | CHIEF PEOPLE OFFICER | P — Open-market purchase | 800 | $6.38 | $5K | SEC | |
| Bookman Michael | CHIEF LEGAL OFFICER, SECRETARY | P — Open-market purchase | 1.0K | $6.83 | $7K | SEC | |
| Morales Mallory | Chief Accounting Officer | P — Open-market purchase | 300 | $6.39 | $2K | SEC | |
| Feinberg Peter | Director | P — Open-market purchase | 7.5K | $7.03 | $53K | SEC | |
| Feinberg Peter | Director | P — Open-market purchase | 5.0K | $7.18 | $36K | SEC | |
| Hall Brett Matthew | CHIEF SCIENTIFIC OFFICER | A — Grant or award | 14.9K | $1.43 | $21K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Immuneering Corp (IMRX). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Feinberg Peter | 1 | — |
| HAUSMAN DIANA | 1 | — |
| Zeskind Benjamin J. | 1 | $11K |
| Hall Brett Matthew | 1 | $25K |
| CARPENTER ROBERT J | 1 | — |
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in IMRX insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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