IMRX
Immuneering Corporation
NASDAQ · Healthcare · Biotechnology · US
$4.82
−4.37%2
Insider buys (3m)
0
Insider sells (3m)
$36.0K
Net value (3m)
+14.6%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Jul 17, 2026 | Gengos Andrew · officer: Chief Financial Officer | A-Award | 650,000 | $4.78 |
| Jun 24, 2026 | Zeskind Benjamin J. · director, officer: PRESIDENT AND CEO | Purchase | 2,400 | $4.56 |
| Jun 16, 2026 | Hall Brett Matthew · officer: CHIEF SCIENTIFIC OFFICER | Purchase | 6,035 | $4.15 |
| Jun 11, 2026 | HAUSMAN DIANA · director | A-Award | 33,350 | $4.12 |
| Jun 11, 2026 | CARPENTER ROBERT J · director | A-Award | 33,350 | $4.12 |
| Jun 11, 2026 | KEATING LAURIE · director | A-Award | 33,350 | $4.12 |
| Jun 11, 2026 | Feinberg Peter · director | A-Award | 33,350 | $4.12 |
| Jun 11, 2026 | Schall Thomas J. · director | A-Award | 33,350 | $4.12 |
| Mar 17, 2026 | Neufeld Leah R · officer: CHIEF PEOPLE OFFICER | A-Award | 3,628 | $4.29 |
| Feb 5, 2026 | Zeskind Benjamin J. · director, officer: PRESIDENT AND CEO | A-Award | 688,000 | $4.91 |
| Feb 5, 2026 | Neufeld Leah R · officer: CHIEF PEOPLE OFFICER | A-Award | 140,000 | $4.91 |
| Feb 5, 2026 | Bookman Michael · officer: CHIEF LEGAL OFFICER, SECRETARY | A-Award | 176,000 | $4.91 |
| Feb 5, 2026 | Brakewood Harold Eugene · officer: Chief Business Officer | A-Award | 140,000 | $4.91 |
| Feb 5, 2026 | Hall Brett Matthew · officer: CHIEF SCIENTIFIC OFFICER | A-Award | 344,000 | $4.91 |
| Feb 5, 2026 | Matushansky Igor · officer: Chief Medical Officer | A-Award | 140,000 | $4.91 |
| Feb 5, 2026 | Morales Mallory · officer: SVP Finance, CAO | A-Award | 140,000 | $4.91 |
| Jan 21, 2026 | Brakewood Harold Eugene · officer: Chief Business Officer | Purchase | 5,250 | $4.76 |
| Jan 20, 2026 | Schall Thomas J. · director | Purchase | 21,645 | $4.67 |
| Jan 16, 2026 | Hall Brett Matthew · officer: CHIEF SCIENTIFIC OFFICER | Purchase | 2,298 | $4.57 |
| Jan 15, 2026 | Neufeld Leah R · officer: CHIEF PEOPLE OFFICER | Purchase | 2,626 | $4.15 |
| Jan 14, 2026 | Feinberg Peter · director | Purchase | 20,000 | $4.35 |
| Jan 2, 2026 | Feinberg Peter · director | A-Award | 7,888 | $6.58 |
| Jan 2, 2026 | KEATING LAURIE · director | A-Award | 7,888 | $6.58 |
| Oct 7, 2025 | Feinberg Peter · director | Purchase | 7,500 | $6.67 |
| Oct 2, 2025 | Bookman Michael · officer: CHIEF LEGAL OFFICER, SECRETARY | Purchase | 1,020 | $6.83 |
| Oct 2, 2025 | Neufeld Leah R · officer: CHIEF PEOPLE OFFICER | Purchase | 800 | $6.38 |
| Oct 2, 2025 | Morales Mallory · officer: Chief Accounting Officer | Purchase | 300 | $6.39 |
| Oct 1, 2025 | Feinberg Peter · director | Purchase | 7,500 | $7.03 |
| Sep 30, 2025 | Feinberg Peter · director | Purchase | 5,000 | $7.18 |
| Sep 17, 2025 | Hall Brett Matthew · officer: CHIEF SCIENTIFIC OFFICER | A-Award | 14,880 | $1.43 |
Institutional positioning
13F filings over the trailing two quarters
New 69Increased 64Reduced 42Sold out 20
| Filer | Action | Shares | Filed |
|---|---|---|---|
| FMR LLC | Increased | 9,704,610 | Aug 13, 2026 |
| FMR LLC | Increased | 9,697,938 | May 15, 2026 |
| BlackRock, Inc. | Increased | 4,374,020 | Aug 7, 2026 |
| SANOFI | Unchanged | 2,708,559 | May 7, 2026 |
| Sanofi | Unchanged | 2,708,559 | Jul 28, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 2,288,341 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Reduced | 2,286,434 | Aug 13, 2026 |
| MARSHALL WACE, LLP | Increased | 1,996,585 | May 15, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 1,936,076 | Aug 14, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | 1,829,188 | May 15, 2026 |
| BLACKROCK, INC. | Increased | 1,507,258 | May 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1,370,750 | Aug 12, 2026 |
| MILLENNIUM MANAGEMENT LLC | Increased | 1,102,712 | May 15, 2026 |
| STATE STREET CORP | Increased | 1,001,995 | Aug 7, 2026 |
| DCF Advisers, LLC | Increased | 790,000 | Aug 10, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Jul 17, 2026