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Bruce Wendel
Insider
First SEC filing: June 10, 2026 · Latest: June 10, 2026
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
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 9, 2026 | IBRX | A | 65,600 | · | · | 65,600 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 12, 2025 | IBRX | A | 146,020 | · | · | 146,020 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 27, 2023 | GTBP | A | 500,000 | · | · | 500,000 Direct | · | Acquired | (price as of 2026-10-05) |
| July 15, 2022 | GTBP | A | 50,000 | · | · | 50,000 Direct | · | Acquired | (price as of 2026-10-05) |
| July 15, 2022 | GTBP | A | 50,000 | · | · | 50,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 16, 2021 | GTBP | A | 347,572 | · | · | 352,655 Direct | +6837.93% | Acquired | (price as of 2026-10-05) |
| Feb. 16, 2021 | GTBP | A | 50,000 | · | · | 50,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 22, 2020 | GTBP | P | 1,374 | $8.87 | $12,187 | 4,642 Direct | +42.04% | Acquired | -100.0% (price as of 2026-10-05) |
| Dec. 22, 2020 | GTBP | P | 441 | $8.73 | $3,850 | 5,083 Direct | +9.50% | Acquired | -100.0% (price as of 2026-10-05) |
| Nov. 16, 2020 | GTBP | P | 3,268 | $3.14 | $10,262 | 3,268 Direct | · | Acquired | -100.0% (price as of 2026-10-05) |
| June 16, 2020 | VSTM | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-05) |
| June 21, 2019 | VSTM | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-05) |
| June 13, 2017 | VSTM | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-05) |
| June 14, 2016 | VSTM | A | 50,000 | · | · | 50,000 Direct | · | Acquired | (price as of 2026-10-05) |
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 9, 2026 | IBRX | Stock Option (right to buy) | Common Stock | $7.25 | June 9, 2036 | 65,600 | Acquired |
| Dec. 12, 2025 | IBRX | Stock Option (right to buy) | Common Stock | $2.36 | Dec. 12, 2035 | 146,020 | Acquired |
| Jan. 27, 2023 | GTBP | Option to purchase Common Stock | Common Stock | $0.84 | Jan. 26, 2033 | 500,000 | Acquired |
| July 15, 2022 | GTBP | Option to purchase Common Stock | Common Stock | $2.48 | July 14, 2032 | 50,000 | Acquired |
| July 15, 2022 | GTBP | Option to purchase Common Stock | Common Stock | $2.48 | July 14, 2032 | 50,000 | Acquired |
| Feb. 16, 2021 | GTBP | Option to purchase Common Stock | Common Stock | $6.33 | Feb. 15, 2031 | 50,000 | Acquired |
| June 16, 2020 | VSTM | Stock Option (Right to Buy) | Common Stock | $1.77 | June 16, 2030 | 25,000 | Acquired |
| June 21, 2019 | VSTM | Stock Option (Right to Buy) | Common Stock | $1.81 | June 21, 2029 | 25,000 | Acquired |
| June 13, 2017 | VSTM | Stock Option (Right to Buy) | Common Stock | $2.09 | June 13, 2027 | 25,000 | Acquired |
| June 14, 2016 | VSTM | Stock Option (Right to Buy) | Common Stock | $1.37 | June 14, 2026 | 50,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).