Michael Lefenfeld

CIK 1826906 · View on SEC EDGAR ↗

Insider

First SEC filing: Oct. 1, 2020 · Latest: Oct. 1, 2020

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Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 9 non-open-market transactions below 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

9 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
May 26, 2021 IMNM P 1,335 $19.03 $25,405 26,872 Direct +5.23% Acquired 52.2% (price as of 2026-08-19)
May 25, 2021 IMNM P 2,715 $18.44 $50,065 25,537 Direct +11.90% Acquired 57.0% (price as of 2026-08-19)
May 24, 2021 IMNM P 600 $17.80 $10,680 22,822 Direct +2.70% Acquired 62.7% (price as of 2026-08-19)

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
June 8, 2023 IMNM Stock Option (Right to Buy) Common Stock (6,500) $4.84 June 8, 2033 6,500 Acquired
June 16, 2022 IMNM Stock Option (Right to Buy) Common Stock (6,500) $2.62 June 16, 2032 6,500 Acquired
May 28, 2021 IMNM Stock Option (Right to Buy) Common Stock (3,750) $20.92 May 28, 2031 3,750 Acquired
Nov. 3, 2020 IMNM Stock Option (Right to Buy) [F1] Common Stock (7,500) $11.38 Nov. 3, 2030 7,500 Acquired
Oct. 6, 2020 IMNM Warrant (right to buy) Common Stock (11,111) $9.00 June 2, 2023 11,111 Acquired
Oct. 6, 2020 IMNM Warrant (right to buy) Series A Convertible Preferred Stock (11,111) $9.00 June 2, 2023 11,111 Disposed
Oct. 6, 2020 IMNM Series A Convertible Preferred Stock Common Stock (22,222) — — 22,222 Disposed

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

Initial ownership (Form 3) 4 holdings

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

Date Ticker Security Shares Ownership
Oct. 1, 2020 IMNM Series A Convertible Preferred Stock→ Common Stock (22,222) 22,222 Direct
Oct. 1, 2020 IMNM Warrant (right to buy)→ Series A Convertible Preferred Stock (11,111) 11,111 Direct
Oct. 1, 2020 IMNM Stock Option (right to buy)→ Common Stock (23,933) 23,933 Direct
Oct. 1, 2020 IMNM Stock Option (right to buy)→ Common Stock (11,111) 11,111 Direct