Hall Brett Matthew — SEC Form 4 filings
SEC reporting owner CIK 1870437. 8 Form 4 filings on record with FilingPulse; latest filed 2026-06-16.
Transaction summary — filings shown
Covers all 8 filings on record, filed 2024-02-09 to 2026-06-16. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 5 legs across 4 filings — 28,755 shares, $90,183 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 5.
- Largest priced transaction: purchase of 6,035 shares @ $4.15 ($25,045) in Immuneering Corp, filed 2026-06-16.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Immuneering Corp (IMRX) | CHIEF SCIENTIFIC OFFICER | 8 | 5 legs · 28,755 sh · $90,183 | — | 5 |
Form 4 filings — Hall Brett Matthew
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-16 | 4 | Immuneering Corp (IMRX) | Purchase (P): 6,035 @ $4.15 | EDGAR |
| 2026-02-05 | 4 | Immuneering Corp (IMRX) | Grant/award (A): 344,000 (derivative) @ $0 | EDGAR |
| 2026-01-16 | 4 | Immuneering Corp (IMRX) | Purchase (P): 2,298 @ $4.57 | EDGAR |
| 2025-09-17 | 4 | Immuneering Corp (IMRX) | Grant/award (A): 14,880 @ $1.43 | EDGAR |
| 2025-06-24 | 4 | Immuneering Corp (IMRX) | Purchase (P): 7,415 @ $2.70 · Purchase (P): 6,007 @ $2.43 | EDGAR |
| 2025-02-07 | 4 | Immuneering Corp (IMRX) | Grant/award (A): 240,000 (derivative) @ $0 | EDGAR |
| 2024-03-21 | 4 | Immuneering Corp (IMRX) | Grant/award (A): 6,211 @ $1.62 · Purchase (P): 7,000 @ $2.86 | EDGAR |
| 2024-02-09 | 4 | Immuneering Corp (IMRX) | Grant/award (A): 130,900 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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