John Owen Brennan

CIK 1849620 · View on SEC EDGAR ↗

Insider

First SEC filing: June 14, 2021 · Latest: June 14, 2021

On this page

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 5 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

5 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
June 2, 2023 IBRX P 5,000 $2.74 $13,700 5,000 Direct — Acquired 188.3% (price as of 2026-08-21)
June 2, 2023 IBRX P 10,000 $2.80 $28,000 15,000 Direct +200.00% Acquired 182.1% (price as of 2026-08-21)
June 2, 2023 IBRX P 10,000 $2.90 $29,000 25,000 Direct +66.67% Acquired 172.4% (price as of 2026-08-21)

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 11, 2024 IBRX Stock Option (right to buy) Common Stock (77,633) $5.96 June 11, 2034 77,633 Acquired
June 13, 2023 IBRX Stock Option (right to buy) Common Stock (158,263) $2.99 June 13, 2033 158,263 Acquired
June 14, 2022 IBRX Stock Option (right to buy) Common Stock (167,937) $2.98 June 14, 2032 167,937 Acquired
June 10, 2021 IBRX Stock Option (right to buy) Common Stock (26,064) $14.91 June 10, 2031 26,064 Acquired
May 3, 2021 IBRX Stock Option (right to buy) Common Stock (21,873) $17.24 May 3, 2031 21,873 Acquired

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