Brett Matthew Hall

CIK 1870437 · View on SEC EDGAR ↗

Insider

First SEC filing: July 29, 2021 · Latest: June 16, 2026

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Insider transactions

1 buys (P) 0 sells (S) Net: $25,045 + 6 non-open-market transactions below Avg return of open purchases vs now: 26.7% last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

6 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
June 15, 2026 IMRX P 6,035 $4.15 $25,045 382,531 Direct +1.60% Acquired 26.7% (price as of 2026-08-20)
May 25, 2022 IMRX P 2,551 $3.92 $10,000 332,685 Direct +0.77% Acquired 34.2% (price as of 2026-08-20)
March 23, 2022 IMRX P 1,050 $7.91 $8,306 330,134 Direct +0.32% Acquired -33.5% (price as of 2026-08-20)
Aug. 3, 2021 IMRX P 1,353 $15.00 $20,295 6,393 Direct +26.85% Acquired -64.9% (price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
Feb. 15, 2023 IMRX Stock Option Class A Common Stock (187,000) $4.25 Feb. 15, 2033 187,000 Acquired
Feb. 10, 2022 IMRX Stock Option Class A Common Stock (83,100) $9.66 Feb. 9, 2032 83,100 Acquired
Aug. 3, 2021 IMRX Series B Preferred Stock Class A Common Stock (3,404) — — 3,404 Disposed
Aug. 3, 2021 IMRX Series A Preferred Stock Class A Common Stock (1,636) — — 1,636 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 5 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
July 29, 2021 IMRX Stock Option→ Class A Common Stock (91,000) 91,000 Direct
July 29, 2021 IMRX Stock Option→ Class A Common Stock (201,600) 201,600 Direct
July 29, 2021 IMRX Stock Option→ Class A Common Stock (175,000) 175,000 Direct
July 29, 2021 IMRX Series A Preferred Stock→ Class A Common Stock (1,636) 1,636 Direct
July 29, 2021 IMRX Series B Preferred Stock→ Class A Common Stock (3,404) 3,404 Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

IMRX

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2025 $733,468 $264,048 — $289,752 — — $2,236 $1,289,504
2024 $705,257 $211,577 — $507,381 — — $1,290 $1,425,506
2023 $678,132 $223,784 — $493,904 — — $3,499 $1,399,319

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.