
Immuneering Corporation
IMRXHealthcare|Biotechnology|US
$3.68
+0.31 (+9.20%)
DCF Value
$2.80
Tangible Book / Share
$2.50
Cash / Share
$2.25
Ownership Breakdown
76.1%
Float
64.8M
Shares Outstanding
49.3M
Float Shares
Major Holders (8)
Combined: 66.8%
Holders of 5%+ from their latest Schedule 13D/13G filing in the last two years. Percentages are as of each filing date.
| Holder | Type | % of Class | Shares | Filed | Filing |
|---|---|---|---|---|---|
| Abigail P. Johnson | Individual | 14.50% | 8,787,052 | Oct 7, 2025 | 13D/G |
| FMR LLC | Holding company | 14.50% | 8,787,052 | Oct 7, 2025 | 13D/G |
| Martin D. Hoe | HC, IN | 8.83% | 5,188,755 | Oct 21, 2025 | 13D/G |
| BlackRock, Inc. | Holding company | 6.70% | 4,356,235 | Jul 28, 2026 | 13D/G |
| Benjamin J. Zeskind | Individual | 6.60% | 4,357,807 | Jan 22, 2026 | 13D/G |
| HBM Healthcare Investments (Cayman) Ltd. | Corporation | 5.70% | 3,646,304 | Oct 3, 2025 | 13D/G |
| Ryan M. Lane | HC, IN | 4.99% | 3,250,775 | Jan 15, 2026 | 13D/G |
| Empery Asset Management, LP | IA, PN | 4.99% | 3,250,775 | Jan 15, 2026 | 13D/G |
Insider Trades (100)
Last 4 quarters: 2,674,028 acquired · 0 disposed
| Insider | Position | Date | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Gengos Andrew | Chief Financial Officer | Jul 16, 2026 | AWARD | 650,000 | $4.78 | $3.1M | Form 4 |
| Gengos Andrew | Chief Financial Officer | Jul 16, 2026 | OTHER | 0 | — | — | Form 4 |
| Zeskind Benjamin J. | director, officer: PRESIDENT AND CEO | Jun 23, 2026 | BUY | 2,400 | $4.56 | $10.9K | Form 4 |
| Hall Brett Matthew | CHIEF SCIENTIFIC OFFICER | Jun 15, 2026 | BUY | 6,035 | $4.15 | $25.0K | Form 4 |
| Schall Thomas J. | director | Jun 11, 2026 | AWARD | 33,350 | $4.12 | $137.4K | Form 4 |
| HAUSMAN DIANA | director | Jun 11, 2026 | AWARD | 33,350 | $4.12 | $137.4K | Form 4 |
| CARPENTER ROBERT J | director | Jun 11, 2026 | AWARD | 33,350 | $4.12 | $137.4K | Form 4 |
| KEATING LAURIE | director | Jun 11, 2026 | AWARD | 33,350 | $4.12 | $137.4K | Form 4 |
| Feinberg Peter | director | Jun 11, 2026 | AWARD | 33,350 | $4.12 | $137.4K | Form 4 |
| Neufeld Leah R | CHIEF PEOPLE OFFICER | Mar 13, 2026 | AWARD | 3,628 | $4.29 | $15.6K | Form 4 |
| Bookman Michael | CHIEF LEGAL OFFICER, SECRETARY | Feb 3, 2026 | AWARD | 176,000 | $4.91 | $864.2K | Form 4 |
| Brakewood Harold Eugene | Chief Business Officer | Feb 3, 2026 | AWARD | 140,000 | $4.91 | $687.4K | Form 4 |
| Hall Brett Matthew | CHIEF SCIENTIFIC OFFICER | Feb 3, 2026 | AWARD | 344,000 | $4.91 | $1.7M | Form 4 |
| Matushansky Igor | Chief Medical Officer | Feb 3, 2026 | AWARD | 140,000 | $4.91 | $687.4K | Form 4 |
| Morales Mallory | SVP Finance, CAO | Feb 3, 2026 | AWARD | 140,000 | $4.91 | $687.4K | Form 4 |
| Neufeld Leah R | CHIEF PEOPLE OFFICER | Feb 3, 2026 | AWARD | 140,000 | $4.91 | $687.4K | Form 4 |
| Zeskind Benjamin J. | director, officer: PRESIDENT AND CEO | Feb 3, 2026 | AWARD | 688,000 | $4.91 | $3.4M | Form 4 |
| Brakewood Harold Eugene | Chief Business Officer | Jan 16, 2026 | BUY | 5,250 | $4.76 | $25.0K | Form 4 |
| Schall Thomas J. | director | Jan 15, 2026 | BUY | 21,645 | $4.67 | $101.0K | Form 4 |
| Hall Brett Matthew | CHIEF SCIENTIFIC OFFICER | Jan 15, 2026 | BUY | 2,298 | $4.57 | $10.5K | Form 4 |
| Neufeld Leah R | CHIEF PEOPLE OFFICER | Jan 13, 2026 | BUY | 2,626 | $4.15 | $10.9K | Form 4 |
| Feinberg Peter | director | Jan 12, 2026 | BUY | 20,000 | $4.35 | $86.9K | Form 4 |
| KEATING LAURIE | director | Jan 1, 2026 | AWARD | 7,888 | $6.58 | $51.9K | Form 4 |
| Feinberg Peter | director | Jan 1, 2026 | AWARD | 7,888 | $6.58 | $51.9K | Form 4 |
| Feinberg Peter | director | Oct 3, 2025 | BUY | 7,500 | $6.67 | $50.0K | Form 4 |
| Morales Mallory | Chief Accounting Officer | Oct 1, 2025 | BUY | 300 | $6.39 | $1.9K | Form 4 |
| Neufeld Leah R | CHIEF PEOPLE OFFICER | Oct 1, 2025 | BUY | 800 | $6.38 | $5.1K | Form 4 |
| Bookman Michael | CHIEF LEGAL OFFICER, SECRETARY | Oct 1, 2025 | BUY | 1,020 | $6.83 | $7.0K | Form 4 |
| Feinberg Peter | director | Sep 30, 2025 | BUY | 7,500 | $7.03 | $52.7K | Form 4 |
| Feinberg Peter | director | Sep 29, 2025 | BUY | 5,000 | $7.18 | $35.9K | Form 4 |
| Neufeld Leah R | CHIEF PEOPLE OFFICER | Sep 15, 2025 | AWARD | 11,815 | $1.43 | $16.9K | Form 4 |
| Morales Mallory | Chief Accounting Officer | Sep 15, 2025 | AWARD | 14,497 | $1.43 | $20.7K | Form 4 |
| Hall Brett Matthew | CHIEF SCIENTIFIC OFFICER | Sep 15, 2025 | AWARD | 14,880 | $1.43 | $21.2K | Form 4 |
| HAUSMAN DIANA | director | Jul 2, 2025 | BUY | 3,000 | $3.62 | $10.9K | Form 4 |
| HAUSMAN DIANA | director | Jul 2, 2025 | BUY | 2,500 | $3.60 | $9.0K | Form 4 |
| Neufeld Leah R | CHIEF PEOPLE OFFICER | Jul 2, 2025 | BUY | 700 | $3.57 | $2.5K | Form 4 |
| Zeskind Benjamin J. | director, 10 percent owner, officer: PRESIDENT AND CEO | Jul 2, 2025 | BUY | 7,015 | $3.53 | $24.8K | Form 4 |
| Zeskind Benjamin J. | director, 10 percent owner, officer: PRESIDENT AND CEO | Jul 1, 2025 | BUY | 2,985 | $3.38 | $10.1K | Form 4 |
| Schall Thomas J. | director | Jun 27, 2025 | BUY | 9,500 | $3.66 | $34.8K | Form 4 |
| Hall Brett Matthew | CHIEF SCIENTIFIC OFFICER | Jun 23, 2025 | BUY | 6,007 | $2.43 | $14.6K | Form 4 |
| Hall Brett Matthew | CHIEF SCIENTIFIC OFFICER | Jun 20, 2025 | BUY | 7,415 | $2.70 | $20.0K | Form 4 |
| Brakewood Harold Eugene | Chief Business Officer | Jun 20, 2025 | BUY | 1,900 | $2.53 | $4.8K | Form 4 |
| Feinberg Peter | director | Jun 18, 2025 | BUY | 25,000 | $2.53 | $63.2K | Form 4 |
| Zeskind Benjamin J. | director, 10 percent owner, officer: PRESIDENT AND CEO | Jun 18, 2025 | BUY | 21,000 | $2.39 | $50.1K | Form 4 |
| Schall Thomas J. | director | Jun 17, 2025 | BUY | 40,485 | $2.21 | $89.3K | Form 4 |
| HAUSMAN DIANA | director | Jun 13, 2025 | AWARD | 33,350 | $1.90 | $63.4K | Form 4 |
| Schall Thomas J. | director | Jun 13, 2025 | AWARD | 33,350 | $1.90 | $63.4K | Form 4 |
| KEATING LAURIE | director | Jun 13, 2025 | AWARD | 33,350 | $1.90 | $63.4K | Form 4 |
| Feinberg Peter | director | Jun 13, 2025 | AWARD | 33,350 | $1.90 | $63.4K | Form 4 |
| CARPENTER ROBERT J | director | Jun 13, 2025 | AWARD | 33,350 | $1.90 | $63.4K | Form 4 |
| BERMAN ANN E | director | Jun 13, 2025 | AWARD | 33,350 | $1.90 | $63.4K | Form 4 |
| Matushansky Igor | Chief Medical Officer | Mar 21, 2025 | AWARD | 118,000 | $1.80 | $212.4K | Form 4 |
| Matushansky Igor | officer | Mar 17, 2025 | OTHER | 0 | — | — | Form 4 |
| Morales Mallory | Chief Accounting Officer | Feb 5, 2025 | AWARD | 110,000 | $1.91 | $210.1K | Form 4 |
| Neufeld Leah R | CHIEF PEOPLE OFFICER | Feb 5, 2025 | AWARD | 110,000 | $1.91 | $210.1K | Form 4 |
| Brakewood Harold Eugene | Chief Business Officer | Feb 5, 2025 | AWARD | 100,000 | $1.91 | $191.0K | Form 4 |
| Hall Brett Matthew | CHIEF SCIENTIFIC OFFICER | Feb 5, 2025 | AWARD | 240,000 | $1.91 | $458.4K | Form 4 |
| Zeskind Benjamin J. | director, 10 percent owner, officer: PRESIDENT AND CEO | Feb 5, 2025 | AWARD | 480,000 | $1.91 | $916.8K | Form 4 |
| Bookman Michael | CHIEF LEGAL OFFICER, SECRETARY | Feb 5, 2025 | AWARD | 110,000 | $1.91 | $210.1K | Form 4 |
| BERMAN ANN E | director | Jan 1, 2025 | AWARD | 23,485 | $2.20 | $51.7K | Form 4 |
| BERMAN ANN E | director | Jan 1, 2025 | AWARD | 17,614 | $2.20 | $38.8K | Form 4 |
| Feinberg Peter | director | Jan 1, 2025 | AWARD | 23,485 | $2.20 | $51.7K | Form 4 |
| KEATING LAURIE | director | Jan 1, 2025 | AWARD | 23,485 | $2.20 | $51.7K | Form 4 |
| Morales Mallory | Chief Accounting Officer | Sep 15, 2024 | AWARD | 4,458 | $1.62 | $7.2K | Form 4 |
| Schall Thomas J. | director | Jun 12, 2024 | AWARD | 8,588 | $1.54 | $13.2K | Form 4 |
| KEATING LAURIE | director | Jun 12, 2024 | AWARD | 33,350 | $1.54 | $51.4K | Form 4 |
| CARPENTER ROBERT J | director | Jun 12, 2024 | AWARD | 33,350 | $1.54 | $51.4K | Form 4 |
| Feinberg Peter | director | Jun 12, 2024 | AWARD | 33,350 | $1.54 | $51.4K | Form 4 |
| BERMAN ANN E | director | Jun 12, 2024 | AWARD | 33,350 | $1.54 | $51.4K | Form 4 |
| HAUSMAN DIANA | director | Jun 12, 2024 | AWARD | 33,350 | $1.54 | $51.4K | Form 4 |
| Bookman Michael | CHIEF LEGAL OFFICER, SECRETARY | May 21, 2024 | AWARD | 143,000 | $3.01 | $430.4K | Form 4 |
| Bookman Michael | CHIEF LEGAL OFFICER, SECRETARY | May 21, 2024 | AWARD | 101,116 | $3.01 | $304.4K | Form 4 |
| Bookman Michael | CHIEF LEGAL OFFICER, SECRETARY | May 21, 2024 | AWARD | 93,000 | $3.01 | $279.9K | Form 4 |
| Bookman Michael | CHIEF LEGAL OFFICER, SECRETARY | May 21, 2024 | AWARD | 47,300 | $3.01 | $142.4K | Form 4 |
| Bookman Michael | CHIEF LEGAL OFFICER, SECRETARY | May 21, 2024 | DISPOSED | 93,000 | $6.09 | $566.4K | Form 4 |
| Bookman Michael | CHIEF LEGAL OFFICER, SECRETARY | May 21, 2024 | DISPOSED | 143,000 | $4.25 | $607.8K | Form 4 |
| Bookman Michael | CHIEF LEGAL OFFICER, SECRETARY | May 21, 2024 | DISPOSED | 101,116 | $15.00 | $1.5M | Form 4 |
| Bookman Michael | CHIEF LEGAL OFFICER, SECRETARY | May 21, 2024 | DISPOSED | 47,300 | $9.66 | $456.9K | Form 4 |
| Morales Mallory | Chief Accounting Officer | May 21, 2024 | AWARD | 72,000 | $3.01 | $216.7K | Form 4 |
| Morales Mallory | Chief Accounting Officer | May 21, 2024 | AWARD | 60,500 | $3.01 | $182.1K | Form 4 |
| Morales Mallory | Chief Accounting Officer | May 21, 2024 | AWARD | 23,850 | $3.01 | $71.8K | Form 4 |
| Morales Mallory | Chief Accounting Officer | May 21, 2024 | AWARD | 15,000 | $3.01 | $45.1K | Form 4 |
| Morales Mallory | Chief Accounting Officer | May 21, 2024 | AWARD | 10,000 | $3.01 | $30.1K | Form 4 |
| Morales Mallory | Chief Accounting Officer | May 21, 2024 | AWARD | 5,000 | $3.01 | $15.0K | Form 4 |
| Morales Mallory | Chief Accounting Officer | May 21, 2024 | DISPOSED | 72,000 | $4.25 | $306.0K | Form 4 |
| Morales Mallory | Chief Accounting Officer | May 21, 2024 | DISPOSED | 60,500 | $6.09 | $368.4K | Form 4 |
| Morales Mallory | Chief Accounting Officer | May 21, 2024 | DISPOSED | 10,000 | $6.33 | $63.3K | Form 4 |
| Morales Mallory | Chief Accounting Officer | May 21, 2024 | DISPOSED | 5,000 | $5.41 | $27.1K | Form 4 |
| Morales Mallory | Chief Accounting Officer | May 21, 2024 | DISPOSED | 23,850 | $9.66 | $230.4K | Form 4 |
| Morales Mallory | Chief Accounting Officer | May 21, 2024 | DISPOSED | 15,000 | $9.55 | $143.3K | Form 4 |
| Brakewood Harold Eugene | Chief Business Officer | May 21, 2024 | AWARD | 165,000 | $3.01 | $496.6K | Form 4 |
| Brakewood Harold Eugene | Chief Business Officer | May 21, 2024 | AWARD | 60,500 | $3.01 | $182.1K | Form 4 |
| Brakewood Harold Eugene | Chief Business Officer | May 21, 2024 | DISPOSED | 165,000 | $9.71 | $1.6M | Form 4 |
| Brakewood Harold Eugene | Chief Business Officer | May 21, 2024 | DISPOSED | 60,500 | $6.09 | $368.4K | Form 4 |
| Neufeld Leah R | CHIEF PEOPLE OFFICER | May 21, 2024 | AWARD | 105,000 | $3.01 | $316.1K | Form 4 |
| Neufeld Leah R | CHIEF PEOPLE OFFICER | May 21, 2024 | AWARD | 88,600 | $3.01 | $266.7K | Form 4 |
| Neufeld Leah R | CHIEF PEOPLE OFFICER | May 21, 2024 | AWARD | 60,500 | $3.01 | $182.1K | Form 4 |
| Neufeld Leah R | CHIEF PEOPLE OFFICER | May 21, 2024 | DISPOSED | 60,500 | $6.09 | $368.4K | Form 4 |
| Neufeld Leah R | CHIEF PEOPLE OFFICER | May 21, 2024 | DISPOSED | 88,600 | $13.85 | $1.2M | Form 4 |
| Neufeld Leah R | CHIEF PEOPLE OFFICER | May 21, 2024 | DISPOSED | 105,000 | $4.25 | $446.3K | Form 4 |