Barry J. Simon serves as Executive at NantKwest, Inc., where they oversee executive responsibilities. Since joining the company, Barry J. Simon has executed 49 insider transactions totaling $15.2M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 23, 2026 involved selling 165,000 shares valued at $1.7M.
Barry J. Simon currently holds 2,925,821 shares of NantKwest, Inc. (NK), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Barry J. Simon has been a net seller of NK stock. They have purchased $0 and sold $15.2M worth of shares.
Barry J. Simon's most recent insider trade was on Feb 23, 2026, when they sold 165,000 shares at $10.25 per share.
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| $N/A |
| Discretionary |
| Feb 22, 2026 | IBRX | $52.4K | Payment | 6,026 | $8.70 | Discretionary |
| Feb 22, 2026 | IBRX | $0 | Option Exercise | 15,243 | $N/A | Discretionary |
| Feb 20, 2026 | IBRX | $92.5K | Sale | 10,000 | $9.25 | Discretionary |
| Jan 31, 2024 | IBRX | $74.2K | Payment | 22,094 | $3.36 | Discretionary |
| Jan 31, 2024 | IBRX | $0 | Option Exercise | 57,200 | $N/A | Discretionary |
| Sep 1, 2023 | IBRX | $0 | Option Exercise | 57,199 | $N/A | Discretionary |
| Jun 4, 2021 | IBRX | $0 | Gift | 71,051 | $N/A | Discretionary |
| May 25, 2021 | IBRX | $1.4M | Sale | 88,787 | $16.18 | Discretionary |
| May 24, 2021 | IBRX | $340.0K | Sale | 21,223 | $16.02 | Discretionary |
| May 21, 2021 | IBRX | $241.2K | Sale | 14,990 | $16.09 | Discretionary |
| May 5, 2021 | IBRX | $99.7K | Option Exercise | 56,967 | $1.75 | Discretionary |
| Feb 5, 2021 | NK | $510.3K | Sale | 22,100 | $23.09 | Discretionary |
| Feb 5, 2021 | NK | $44.2K | Option Exercise | 22,100 | $2.00 | Discretionary |
| Feb 2, 2021 | NK | $164.1K | Option Exercise | 82,070 | $2.00 | Discretionary |
| Feb 2, 2021 | NK | $1.7M | Sale | 82,070 | $20.65 | Discretionary |
| Jan 28, 2021 | NK | $232.1K | Sale | 11,304 | $20.53 | Discretionary |
| Jan 28, 2021 | NK | $22.6K | Option Exercise | 11,304 | $2.00 | Discretionary |
| Jan 27, 2021 | NK | $754.9K | Sale | 36,626 | $20.61 | Discretionary |
| Jan 27, 2021 | NK | $73.3K | Option Exercise | 36,626 | $2.00 | Discretionary |
| Dec 22, 2020 | NK | $2.3M | Sale | 130,000 | $18.05 | Discretionary |
| Dec 22, 2020 | NK | $260.0K | Option Exercise | 130,000 | $2.00 | Discretionary |
| Jul 21, 2020 | NK | $24.3K | Sale | 1,565 | $15.50 | Discretionary |
| Jul 21, 2020 | NK | $3.1K | Option Exercise | 1,565 | $2.00 | Discretionary |
| Jul 20, 2020 | NK | $175.4K | Option Exercise | 87,705 | $2.00 | Discretionary |
| Jul 20, 2020 | NK | $71.7K | Option Exercise | 40,730 | $1.76 | Discretionary |
| Jul 20, 2020 | NK | $2.0M | Sale | 128,435 | $15.53 | Discretionary |
| Jul 8, 2020 | NK | $524.9K | Sale | 39,950 | $13.14 | Discretionary |
| Jul 8, 2020 | NK | $70.3K | Option Exercise | 39,950 | $1.76 | Discretionary |