IMRX
Immuneering Corp
NASDAQ: IMRX · HEALTHCARE · BIOTECHNOLOGY
$4.16
-2.58% today
Updated 2026-09-28
Market cap
$287.26M
P/E ratio
—
P/S ratio
563.62x
EPS (TTM)
$-0.95
Dividend yield
—
52W range
$4 – $10
Volume
0.7M
Immuneering Corp (IMRX) Insider transactions
Net insider activity
Net buying (3,280,054 shares)
Buy transactions
79
Sell transactions
21
All transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-16 | GENGOS, ANDREW | Chief Financial Officer | Buy | 650,000 | — | — |
| 2026-06-23 | ZESKIND, BENJAMIN J. | Director, PRESIDENT AND CEO | Buy | 2,400 | $4.56 | $10948.08 |
| 2026-06-15 | HALL, BRETT MATTHEW | CHIEF SCIENTIFIC OFFICER | Buy | 6,035 | $4.15 | $25045.25 |
| 2026-06-11 | SCHALL, THOMAS J. | Director | Buy | 33,350 | — | — |
| 2026-06-11 | KEATING, LAURIE | Director | Buy | 33,350 | — | — |
| 2026-06-11 | HAUSMAN, DIANA | Director | Buy | 33,350 | — | — |
| 2026-06-11 | FEINBERG, PETER | Director | Buy | 33,350 | — | — |
| 2026-06-11 | CARPENTER, ROBERT J | Director | Buy | 33,350 | — | — |
| 2026-03-13 | NEUFELD, LEAH R | CHIEF PEOPLE OFFICER | Buy | 3,628 | $4.29 | $15573.19 |
| 2026-02-03 | ZESKIND, BENJAMIN J. | Director, PRESIDENT AND CEO | Buy | 688,000 | — | — |
| 2026-02-03 | NEUFELD, LEAH R | CHIEF PEOPLE OFFICER | Buy | 140,000 | — | — |
| 2026-02-03 | MORALES, MALLORY | SVP Finance, CAO | Buy | 140,000 | — | — |
| 2026-02-03 | MATUSHANSKY, IGOR | Chief Medical Officer | Buy | 140,000 | — | — |
| 2026-02-03 | HALL, BRETT MATTHEW | CHIEF SCIENTIFIC OFFICER | Buy | 344,000 | — | — |
| 2026-02-03 | BRAKEWOOD, HAROLD EUGENE | Chief Business Officer | Buy | 140,000 | — | — |
| 2026-02-03 | BOOKMAN, MICHAEL | CHIEF LEGAL OFFICER, SECRETARY | Buy | 176,000 | — | — |
| 2026-01-16 | BRAKEWOOD, HAROLD EUGENE | Chief Business Officer | Buy | 5,250 | $4.76 | $24990.00 |
| 2026-01-15 | SCHALL, THOMAS J. | Director | Buy | 21,645 | $4.67 | $101041.02 |
| 2026-01-15 | HALL, BRETT MATTHEW | CHIEF SCIENTIFIC OFFICER | Buy | 2,298 | $4.57 | $10501.86 |
| 2026-01-13 | NEUFELD, LEAH R | CHIEF PEOPLE OFFICER | Buy | 2,626 | $4.15 | $10905.78 |
| 2026-01-12 | FEINBERG, PETER | Director | Buy | 20,000 | $4.35 | $86904.00 |
| 2026-01-01 | KEATING, LAURIE | Director | Buy | 7,888 | — | — |
| 2026-01-01 | FEINBERG, PETER | Director | Buy | 7,888 | — | — |
| 2025-10-03 | FEINBERG, PETER | Director | Buy | 7,500 | $6.67 | $50025.00 |
| 2025-10-01 | NEUFELD, LEAH R | CHIEF PEOPLE OFFICER | Buy | 800 | $6.38 | $5103.36 |
| 2025-10-01 | MORALES, MALLORY | Chief Accounting Officer | Buy | 300 | $6.39 | $1917.00 |
| 2025-10-01 | BOOKMAN, MICHAEL | CHIEF LEGAL OFFICER, SECRETARY | Buy | 1,020 | $6.83 | $6966.50 |
| 2025-09-30 | FEINBERG, PETER | Director | Buy | 7,500 | $7.03 | $52730.25 |
| 2025-09-29 | FEINBERG, PETER | Director | Buy | 5,000 | $7.18 | $35900.00 |
| 2025-09-15 | NEUFELD, LEAH R | CHIEF PEOPLE OFFICER | Buy | 11,815 | $1.43 | $16871.82 |
| 2025-09-15 | MORALES, MALLORY | Chief Accounting Officer | Buy | 14,497 | $1.43 | $20701.72 |
| 2025-09-15 | HALL, BRETT MATTHEW | CHIEF SCIENTIFIC OFFICER | Buy | 14,880 | $1.43 | $21248.64 |
| 2025-07-02 | ZESKIND, BENJAMIN J. | Director, PRESIDENT AND CEO, 10% Owner | Buy | 7,015 | $3.53 | $24792.41 |
| 2025-07-02 | NEUFELD, LEAH R | CHIEF PEOPLE OFFICER | Buy | 700 | $3.57 | $2498.65 |
| 2025-07-02 | HAUSMAN, DIANA | Director | Buy | 3,000 | $3.62 | $10873.50 |
| 2025-07-02 | HAUSMAN, DIANA | Director | Buy | 2,500 | $3.60 | $8989.00 |
| 2025-07-01 | ZESKIND, BENJAMIN J. | Director, PRESIDENT AND CEO, 10% Owner | Buy | 2,985 | $3.38 | $10086.91 |
| 2025-06-27 | SCHALL, THOMAS J. | Director | Buy | 9,500 | $3.66 | $34788.05 |
| 2025-06-23 | HALL, BRETT MATTHEW | CHIEF SCIENTIFIC OFFICER | Buy | 6,007 | $2.43 | $14596.41 |
| 2025-06-20 | HALL, BRETT MATTHEW | CHIEF SCIENTIFIC OFFICER | Buy | 7,415 | $2.70 | $20019.76 |
| 2025-06-20 | BRAKEWOOD, HAROLD EUGENE | Chief Business Officer | Buy | 1,900 | $2.53 | $4804.15 |
| 2025-06-18 | ZESKIND, BENJAMIN J. | Director, PRESIDENT AND CEO, 10% Owner | Buy | 21,000 | $2.39 | $50143.80 |
| 2025-06-18 | FEINBERG, PETER | Director | Buy | 25,000 | $2.53 | $63187.50 |
| 2025-06-17 | SCHALL, THOMAS J. | Director | Buy | 40,485 | $2.21 | $89277.52 |
| 2025-06-13 | SCHALL, THOMAS J. | Director | Buy | 33,350 | — | — |
| 2025-06-13 | KEATING, LAURIE | Director | Buy | 33,350 | — | — |
| 2025-06-13 | HAUSMAN, DIANA | Director | Buy | 33,350 | — | — |
| 2025-06-13 | FEINBERG, PETER | Director | Buy | 33,350 | — | — |
| 2025-06-13 | CARPENTER, ROBERT J | Director | Buy | 33,350 | — | — |
| 2025-06-13 | BERMAN, ANN E | Director | Buy | 33,350 | — | — |
| 2025-03-21 | MATUSHANSKY, IGOR | Chief Medical Officer | Buy | 118,000 | — | — |
| 2025-02-05 | ZESKIND, BENJAMIN J. | Director, PRESIDENT AND CEO, 10% Owner | Buy | 480,000 | — | — |
| 2025-02-05 | NEUFELD, LEAH R | CHIEF PEOPLE OFFICER | Buy | 110,000 | — | — |
| 2025-02-05 | MORALES, MALLORY | Chief Accounting Officer | Buy | 110,000 | — | — |
| 2025-02-05 | HALL, BRETT MATTHEW | CHIEF SCIENTIFIC OFFICER | Buy | 240,000 | — | — |
| 2025-02-05 | BRAKEWOOD, HAROLD EUGENE | Chief Business Officer | Buy | 100,000 | — | — |
| 2025-02-05 | BOOKMAN, MICHAEL | CHIEF LEGAL OFFICER, SECRETARY | Buy | 110,000 | — | — |
| 2025-01-01 | KEATING, LAURIE | Director | Buy | 23,485 | — | — |
| 2025-01-01 | FEINBERG, PETER | Director | Buy | 23,485 | — | — |
| 2025-01-01 | BERMAN, ANN E | Director | Buy | 23,485 | — | — |
| 2025-01-01 | BERMAN, ANN E | Director | Buy | 17,614 | — | — |
| 2024-09-15 | MORALES, MALLORY | Chief Accounting Officer | Buy | 4,458 | $1.62 | $7237.56 |
| 2024-06-12 | SCHALL, THOMAS J. | Director | Buy | 8,588 | — | — |
| 2024-06-12 | KEATING, LAURIE | Director | Buy | 33,350 | — | — |
| 2024-06-12 | HAUSMAN, DIANA | Director | Buy | 33,350 | — | — |
| 2024-06-12 | FEINBERG, PETER | Director | Buy | 33,350 | — | — |
| 2024-06-12 | CARPENTER, ROBERT J | Director | Buy | 33,350 | — | — |
| 2024-06-12 | BERMAN, ANN E | Director | Buy | 33,350 | — | — |
| 2024-05-21 | NEUFELD, LEAH R | CHIEF PEOPLE OFFICER | Sale | 105,000 | — | — |
| 2024-05-21 | NEUFELD, LEAH R | CHIEF PEOPLE OFFICER | Sale | 88,600 | — | — |
| 2024-05-21 | NEUFELD, LEAH R | CHIEF PEOPLE OFFICER | Sale | 60,500 | — | — |
| 2024-05-21 | MORALES, MALLORY | Chief Accounting Officer | Sale | 72,000 | — | — |
| 2024-05-21 | MORALES, MALLORY | Chief Accounting Officer | Sale | 60,500 | — | — |
| 2024-05-21 | MORALES, MALLORY | Chief Accounting Officer | Sale | 23,850 | — | — |
| 2024-05-21 | MORALES, MALLORY | Chief Accounting Officer | Sale | 15,000 | — | — |
| 2024-05-21 | MORALES, MALLORY | Chief Accounting Officer | Sale | 10,000 | — | — |
| 2024-05-21 | MORALES, MALLORY | Chief Accounting Officer | Sale | 5,000 | — | — |
| 2024-05-21 | BRAKEWOOD, HAROLD EUGENE | Chief Business Officer | Sale | 165,000 | — | — |
| 2024-05-21 | BRAKEWOOD, HAROLD EUGENE | Chief Business Officer | Sale | 60,500 | — | — |
| 2024-05-21 | BOOKMAN, MICHAEL | CHIEF LEGAL OFFICER, SECRETARY | Sale | 143,000 | — | — |
| 2024-05-21 | BOOKMAN, MICHAEL | CHIEF LEGAL OFFICER, SECRETARY | Sale | 101,116 | — | — |
| 2024-05-21 | BOOKMAN, MICHAEL | CHIEF LEGAL OFFICER, SECRETARY | Sale | 93,000 | — | — |
| 2024-05-21 | BOOKMAN, MICHAEL | CHIEF LEGAL OFFICER, SECRETARY | Sale | 47,300 | — | — |
| 2024-04-01 | CORMORANT, ASSET MANAGEMENT, LP | 10% Owner | Sale | 398,600 | $2.90 | $1.16M |
| 2024-04-01 | CORMORANT, ASSET MANAGEMENT, LP | 10% Owner | Sale | 600 | $3.03 | $1818.00 |
| 2024-04-01 | CORMORANT, ASSET MANAGEMENT, LP | 10% Owner | Sale | 300 | $3.07 | $919.50 |
| 2024-04-01 | CORMORANT, ASSET MANAGEMENT, LP | 10% Owner | Sale | 280 | $2.97 | $831.60 |
| 2024-04-01 | CORMORANT, ASSET MANAGEMENT, LP | 10% Owner | Sale | 100 | $3.07 | $307.00 |
| 2024-04-01 | CORMORANT, ASSET MANAGEMENT, LP | 10% Owner | Sale | 10 | $3.01 | $30.10 |
| 2024-03-22 | SCHALL, THOMAS J. | Director | Buy | 2,900 | $2.55 | $7384.85 |
| 2024-03-22 | MORALES, MALLORY | Chief Accounting Officer | Buy | 393 | $2.55 | $1000.38 |
| 2024-03-22 | FEINBERG, PETER | Director | Buy | 25,000 | $2.55 | $63712.50 |
| 2024-03-22 | BRAKEWOOD, HAROLD EUGENE | Chief Business Officer | Buy | 3,900 | $2.57 | $10015.20 |
| 2024-03-21 | MORALES, MALLORY | Chief Accounting Officer | Buy | 1,107 | $2.72 | $3008.72 |
| 2024-03-20 | NEUFELD, LEAH R | CHIEF PEOPLE OFFICER | Buy | 3,818 | $2.88 | $10993.17 |
| 2024-03-20 | HALL, BRETT MATTHEW | CHIEF SCIENTIFIC OFFICER | Buy | 7,000 | $2.86 | $20020.00 |
| 2024-03-19 | ZESKIND, BENJAMIN J. | Director, PRESIDENT AND CEO, 10% Owner | Buy | 20,000 | $2.77 | $55326.00 |
| 2024-03-19 | FEINBERG, PETER | Director | Buy | 25,000 | $2.56 | $64000.00 |
| 2024-03-18 | FEINBERG, PETER | Director | Buy | 45,024 | $2.31 | $103856.86 |
| 2024-03-18 | FEINBERG, PETER | Director | Buy | 4,976 | $3.05 | $15201.18 |
Frequently asked questions
Are IMRX insiders buying or selling?
Over the transactions on record, IMRX insiders have been net buyers, with about $1.16M in stock sold across 21 sales, against 41 open-market purchases.
Does insider selling at IMRX mean the stock will fall?
Not by itself. Most executive selling is pre-scheduled through 10b5-1 plans filed months in advance, and insiders sell for diversification, taxes, and liquidity far more often than out of any view on the price. Insider buying is the stronger signal, especially when several insiders buy around the same time, because there is usually only one reason to put personal cash into the stock.
Which IMRX insiders are selling the most?
Recent selling is concentrated in a few names. CORMORANT, ASSET MANAGEMENT, LP accounts for the largest share on record, with about $1.16M sold. Selling by one or two individuals matters less than broad selling across the whole leadership team, which is the pattern worth watching.