Immuneering Corp
IMRX- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001790340
No open-market purchases or sales by Immuneering Corp insiders were filed in the last 90 days; 111 institutions reported holding it in 13F filings for Q2 2026, worth $171.6M in total; no superinvestor holds it.
Holders of 5% or more of IMRX
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Immuneering Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Zeskind Benjamin J. | 13G/A | 12.80%3.98M shares | – | Jan 17, 20251 filing | Jan 17, 2025 | SEC |
| Empery Asset Management, LP | 13G | 8.83%5.19M shares | New | Oct 21, 20251 filing | Oct 21, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
2 Schedule 13D and 13G filings on Immuneering Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Oct 21, 20259:02 AM ET | Empery Asset Management, LPand 2 others | 13G | 8.83%5.19M shares | New | Sep 30, 2025 | SEC |
| Jan 17, 20254:13 PM ET | Zeskind Benjamin J. | 13G/A | 12.80%3.98M shares | – | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Immuneering Corp shares.
No Form 144 notices for Immuneering Corp are on file.