David C. Sachs
Insider
First SEC filing: April 5, 2021 · Latest: April 5, 2021
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 22, 2026 | IBRX | M | 40,650 | · | · | 320,825 Direct | +14.51% | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2026 | IBRX | F | 20,682 | $8.70 | $179,933 | 300,143 Direct | -6.45% | Disposed | 18.2% (price as of 2026-10-02) |
| Feb. 22, 2026 | IBRX | M | 40,650 | · | · | 40,651 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Feb. 10, 2026 | IBRX | M | 82,236 | · | · | 322,818 Direct | +34.18% | Acquired | (price as of 2026-10-02) |
| Feb. 10, 2026 | IBRX | F | 42,643 | $6.93 | $295,516 | 280,175 Direct | -13.21% | Disposed | 48.4% (price as of 2026-10-02) |
| Feb. 10, 2026 | IBRX | M | 82,236 | · | · | 164,474 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| Dec. 31, 2025 | IBRX | M | 30,397 | · | · | 256,017 Direct | +13.47% | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2025 | IBRX | F | 15,435 | $1.98 | $30,561 | 240,582 Direct | -6.03% | Disposed | 419.4% (price as of 2026-10-02) |
| Dec. 31, 2025 | IBRX | M | 30,397 | · | · | 45,602 Direct | -40.00% | Disposed | (price as of 2026-10-02) |
| Feb. 22, 2025 | IBRX | M | 40,650 | · | · | 241,480 Direct | +20.24% | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2025 | IBRX | F | 15,860 | $3.42 | $54,241 | 225,620 Direct | -6.57% | Disposed | 200.7% (price as of 2026-10-02) |
| Feb. 22, 2025 | IBRX | M | 40,650 | · | · | 81,301 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| Feb. 10, 2025 | IBRX | A | 246,710 | · | · | 246,710 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 10, 2025 | IBRX | A | 843,750 | · | · | 843,750 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2024 | IBRX | M | 30,397 | · | · | 216,235 Direct | +16.36% | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2024 | IBRX | F | 15,405 | $2.56 | $39,437 | 200,830 Direct | -7.12% | Disposed | 301.8% (price as of 2026-10-02) |
| Dec. 31, 2024 | IBRX | M | 30,397 | · | · | 75,999 Direct | -28.57% | Disposed | (price as of 2026-10-02) |
| Feb. 22, 2024 | IBRX | A | 121,951 | · | · | 121,951 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2024 | IBRX | A | 424,390 | · | · | 424,390 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 31, 2024 | IBRX | M | 70,745 | · | · | 212,673 Direct | +49.85% | Acquired | (price as of 2026-10-02) |
| Jan. 31, 2024 | IBRX | F | 26,835 | $3.36 | $90,166 | 185,838 Direct | -12.62% | Disposed | 206.1% (price as of 2026-10-02) |
| Jan. 31, 2024 | IBRX | M | 70,745 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 31, 2023 | IBRX | M | 30,397 | · | · | 152,439 Direct | +24.91% | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2023 | IBRX | F | 10,511 | $5.02 | $52,765 | 141,928 Direct | -6.90% | Disposed | 104.9% (price as of 2026-10-02) |
| Dec. 31, 2023 | IBRX | M | 30,397 | · | · | 106,396 Direct | -22.22% | Disposed | (price as of 2026-10-02) |
| Sept. 1, 2023 | IBRX | M | 70,744 | · | · | 122,042 Direct | +137.91% | Acquired | (price as of 2026-10-02) |
| Sept. 1, 2023 | IBRX | M | 70,744 | · | · | 70,745 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Aug. 25, 2023 | IBRX | A | 141,489 | · | · | 141,489 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2022 | IBRX | M | 7,598 | · | · | 51,298 Direct | +17.39% | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2022 | IBRX | M | 7,598 | · | · | 136,793 Direct | -5.26% | Disposed | (price as of 2026-10-02) |
| March 23, 2022 | IBRX | A | 125,000 | · | · | 125,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 23, 2022 | IBRX | A | 125,000 | · | · | 125,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 9, 2021 | IBRX | M | 17,242 | · | · | 43,700 Direct | +65.17% | Acquired | (price as of 2026-10-02) |
| Dec. 9, 2021 | IBRX | M | 17,242 | · | · | 144,391 Direct | -10.67% | Disposed | (price as of 2026-10-02) |
| Sept. 9, 2021 | IBRX | M | 7,598 | · | · | 161,633 Direct | -4.49% | Disposed | (price as of 2026-10-02) |
| Sept. 9, 2021 | IBRX | M | 7,598 | · | · | 26,458 Direct | +40.29% | Acquired | (price as of 2026-10-02) |
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. 22, 2026 | IBRX | Restricted Stock Units | Common Stock | · | · | 40,650 | Disposed |
| Feb. 10, 2026 | IBRX | Restricted Stock Units | Common Stock | · | · | 82,236 | Disposed |
| Dec. 31, 2025 | IBRX | Restricted Stock Units | Common Stock | · | · | 30,397 | Disposed |
| Feb. 22, 2025 | IBRX | Restricted Stock Units | Common Stock | · | · | 40,650 | Disposed |
| Feb. 10, 2025 | IBRX | Restricted Stock Units | Common Stock | · | · | 246,710 | Acquired |
| Feb. 10, 2025 | IBRX | Stock Option (right to buy) | Common Stock | $3.39 | Feb. 10, 2035 | 843,750 | Acquired |
| Dec. 31, 2024 | IBRX | Restricted Stock Units | Common Stock | · | · | 30,397 | Disposed |
| Feb. 22, 2024 | IBRX | Restricted Stock Units | Common Stock | · | · | 121,951 | Acquired |
| Feb. 22, 2024 | IBRX | Stock Option (right to buy) | Common Stock | $5.24 | Feb. 22, 2034 | 424,390 | Acquired |
| Jan. 31, 2024 | IBRX | Restricted Stock Units | Common Stock | · | · | 70,745 | Disposed |
| Dec. 31, 2023 | IBRX | Restricted Stock Units | Common Stock | · | · | 30,397 | Disposed |
| Sept. 1, 2023 | IBRX | Restricted Stock Units | Common Stock | · | · | 70,744 | Disposed |
| Aug. 25, 2023 | IBRX | Restricted Stock Units | Common Stock | · | · | 141,489 | Acquired |
| Dec. 31, 2022 | IBRX | Restricted Stock Units | Common Stock | · | · | 7,598 | Disposed |
| March 23, 2022 | IBRX | Stock Option (right to buy) | Common Stock | $5.83 | March 23, 2032 | 125,000 | Acquired |
| March 23, 2022 | IBRX | Stock Option (right to buy) | Common Stock | $5.83 | March 23, 2032 | 125,000 | Acquired |
| Dec. 9, 2021 | IBRX | Restricted Stock Units | Common Stock | · | · | 17,242 | Disposed |
| Sept. 9, 2021 | IBRX | Restricted Stock Units | Common Stock | · | · | 7,598 | Disposed |
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.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2024 | $574,515 | · | $639,023 | $1,923,937 | $230,143 | · | $13,989 | $3,381,607 |
| 2023 | $537,525 | $273,980 | $233,457 | · | · | · | $13,120 | $1,058,082 |
| 2022 | $521,039 | · | · | $1,128,235 | · | · | $12,288 | $1,661,562 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.