Cheryl Cohen
CIK 1529371 · View on SEC EDGAR ↗
Insider
First SEC filing: June 10, 2026 · Latest: June 10, 2026
On this page
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net:
$-1,246,495
+ 29 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
29 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 2, 2026 | IBRX | S 10b5-1 | 131,210 | $9.50 | $1,246,495 | 125,386 Direct | -51.13% | Disposed | -17.2% (price as of 2026-08-20) |
| Aug. 23, 2021 | IBRX | S 10b5-1 | 14,801 | $10.12 | $149,786 | 200,617 Direct | -6.87% | Disposed | -22.2% (price as of 2026-08-20) |
| Aug. 20, 2021 | IBRX | S 10b5-1 | 9,976 | $10.00 | $99,760 | 215,418 Direct | -4.43% | Disposed | -21.3% (price as of 2026-08-20) |
| Aug. 18, 2021 | IBRX | S 10b5-1 | 2,133 | $10.03 | $21,394 | 225,394 Direct | -0.94% | Disposed | -21.5% (price as of 2026-08-20) |
| Aug. 17, 2021 | IBRX | S 10b5-1 | 43,398 | $10.12 | $439,188 | 227,527 Direct | -16.02% | Disposed | -22.2% (price as of 2026-08-20) |
| Aug. 11, 2020 | IBRX | S | 30,000 | $9.96 | $298,800 | 270,925 Direct | -9.97% | Disposed | -21.0% (price as of 2026-08-20) |
| Sept. 12, 2018 | IMUX | S | 3,500 | $0.55 | $1,925 | 0 Indirect | -100.00% | Disposed | -92.5% (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 |
|---|---|---|---|---|---|---|---|
| July 2, 2026 | IBRX | Stock Option (right to buy) | Common Stock (55,979) | $2.98 | June 14, 2032 | 55,979 | Disposed |
| June 25, 2026 | CLDX | Non-Qualified Stock Option (right to buy) [F1] | Common Stock (26,000) | $34.09 | June 25, 2036 | 26,000 | Acquired |
| June 18, 2025 | IBRX | Stock Option (right to buy) | Common Stock (162,786) | $2.84 | June 18, 2035 | 162,786 | Acquired |
| June 11, 2024 | IBRX | Stock Option (right to buy) | Common Stock (77,633) | $5.96 | June 11, 2034 | 77,633 | Acquired |
| June 15, 2023 | CLDX | Non-Qualified Stock Option (right to buy) [F1] | Common Stock (11,300) | $36.87 | June 15, 2033 | 11,300 | Acquired |
| June 13, 2023 | IBRX | Stock Option (right to buy) | Common Stock (158,263) | $2.99 | June 13, 2033 | 158,263 | Acquired |
| July 5, 2022 | LITS | Stock Option (Right to Buy) | Common Stock (87,500) | $0.54 | July 5, 2032 | 87,500 | Acquired |
| June 14, 2022 | IBRX | Stock Option (right to buy) | Common Stock (167,937) | $2.98 | June 14, 2032 | 167,937 | Acquired |
| July 1, 2021 | LITS | Stock Option (Right to Buy) | Common Stock (50,000) | $2.95 | July 1, 2031 | 50,000 | Acquired |
| June 17, 2021 | WHWK | Stock Option (Right to Buy) | Common Stock (100,000) | $1.87 | June 17, 2031 | 100,000 | Acquired |
| June 10, 2021 | IBRX | Stock Option (right to buy) | Common Stock (26,064) | $14.91 | June 10, 2031 | 26,064 | Acquired |
| Feb. 1, 2021 | WHWK | Stock Option (Right to Buy) | Common Stock (17,857) | $1.46 | Feb. 1, 2031 | 17,857 | Acquired |
| July 2, 2020 | LITS | Stock Option (Right to Buy) | Common Stock (50,000) | $3.49 | July 2, 2030 | 50,000 | Acquired |
| June 24, 2020 | WHWK | Stock Option (Right to Buy) | Common Stock (52,144) | $1.22 | June 24, 2030 | 52,144 | Acquired |
| June 10, 2020 | IBRX | Stock Option (right to buy) | Common Stock (100,000) | $6.21 | June 10, 2030 | 100,000 | Acquired |
| April 10, 2020 | LITS | Stock Option (Right to Buy) | Common Stock (30,000) | $1.71 | April 10, 2030 | 30,000 | Acquired |
| July 11, 2019 | ELDN | Stock Option (Right to Buy) | Common Stock (20,000) | $0.88 | July 11, 2029 | 20,000 | Acquired |
| June 18, 2019 | WHWK | Stock Option (Right to Buy) | Common Stock (21,400) | $0.96 | June 18, 2029 | 21,400 | Acquired |
| June 20, 2018 | WHWK | Stock Option (Right to Buy) | Common Stock (42,800) | $4.00 | June 20, 2028 | 42,800 | Acquired |
| June 13, 2018 | ELDN | Stock Option (Right to Buy) | Common Stock (9,100) | $6.18 | June 13, 2028 | 9,100 | Acquired |
| May 23, 2018 | IMUX | Stock Option (right to buy) | Common Stock (29,538) | $6.10 | May 22, 2028 | 29,538 | Acquired |
| June 30, 2017 | ELDN | Stock Option (Right to Buy) | Common Stock (18,000) | $5.85 | June 30, 2027 | 18,000 | Acquired |
| May 23, 2017 | IMUX | Stock Option (right to buy) | Common Stock (45,022) | $3.20 | May 22, 2027 | 45,022 | Acquired |
| July 14, 2015 | IMUX | Stock Option (right to buy) | Common Stock (12,581) | $26.71 | July 13, 2025 | 12,581 | Acquired |
| April 9, 2015 | ELDN | Stock Option (right to buy) | Common Stock (25,000) | $11.08 | April 8, 2025 | 25,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.