Neil Boehm
Insider
First SEC filing: Feb. 22, 2018 · Latest: Feb. 22, 2018
Insider at
Insider transactions
0 buys (P)
2 sells (S)
Net: $-279,175
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 |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 19, 2026 | GNTX | A | 14,953 | · | · | 73,904 Direct | +25.37% | Acquired | (price as of 2026-10-06) |
| Feb. 17, 2026 | GNTX | A | 31,993 | · | · | 87,967 Direct | +57.16% | Acquired | (price as of 2026-10-06) |
| Feb. 17, 2026 | GNTX | F | 14,160 | $24.89 | $352,442 | 73,807 Direct | -16.10% | Disposed | -13.4% (price as of 2026-10-06) |
| Feb. 17, 2026 | GNTX | S | 8,916 | $24.82 | $221,295 | 64,891 Direct | -12.08% | Disposed | -13.2% (price as of 2026-10-06) |
| Feb. 17, 2026 | GNTX | F | 3,608 | $24.89 | $89,803 | 61,283 Direct | -5.56% | Disposed | -13.4% (price as of 2026-10-06) |
| Feb. 17, 2026 | GNTX | S | 2,332 | $24.82 | $57,880 | 58,951 Direct | -3.81% | Disposed | -13.2% (price as of 2026-10-06) |
| Feb. 20, 2025 | GNTX | A | 12,263 | · | · | 55,595 Direct | +28.30% | Acquired | (price as of 2026-10-06) |
| Feb. 18, 2025 | GNTX | A | 13,085 | · | · | 52,867 Direct | +32.89% | Acquired | (price as of 2026-10-06) |
| Feb. 18, 2025 | GNTX | F | 6,276 | $24.62 | $154,515 | 46,591 Direct | -11.87% | Disposed | -12.5% (price as of 2026-10-06) |
| Feb. 18, 2025 | GNTX | F | 3,259 | $24.62 | $80,237 | 43,332 Direct | -6.99% | Disposed | -12.5% (price as of 2026-10-06) |
| Feb. 20, 2024 | GNTX | A | 8,878 | · | · | 54,831 Direct | +19.32% | Acquired | (price as of 2026-10-06) |
| Feb. 20, 2024 | GNTX | F | 8,878 | $35.01 | $310,819 | 45,953 Direct | -16.19% | Disposed | -38.4% (price as of 2026-10-06) |
| Feb. 20, 2024 | GNTX | F | 6,456 | $35.01 | $226,025 | 39,497 Direct | -14.05% | Disposed | -38.4% (price as of 2026-10-06) |
| Feb. 15, 2024 | GNTX | A | 9,476 | · | · | 45,953 Direct | +25.98% | Acquired | (price as of 2026-10-06) |
| March 6, 2023 | GNTX | M | 1,242 | $15.69 | $19,487 | 37,418 Direct | +3.43% | Acquired | 37.3% (price as of 2026-10-06) |
| March 6, 2023 | GNTX | S | 1,242 | $28.41 | $35,285 | 36,176 Direct | -3.32% | Disposed | -24.1% (price as of 2026-10-06) |
| March 6, 2023 | GNTX | M | 1,242 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Feb. 21, 2023 | GNTX | A | 7,772 | · | · | 42,335 Direct | +22.49% | Acquired | (price as of 2026-10-06) |
| Feb. 21, 2023 | GNTX | F | 3,527 | $28.65 | $101,049 | 38,808 Direct | -8.33% | Disposed | -24.8% (price as of 2026-10-06) |
| Feb. 21, 2023 | GNTX | F | 2,632 | $28.65 | $75,407 | 36,176 Direct | -6.78% | Disposed | -24.8% (price as of 2026-10-06) |
| Feb. 16, 2023 | GNTX | A | 8,273 | · | · | 34,563 Direct | +31.47% | Acquired | (price as of 2026-10-06) |
| March 31, 2022 | GNTX | S 10b5-1 | 4,500 | $29.24 | $131,580 | 26,022 Direct | -14.74% | Disposed | -26.3% (price as of 2026-10-06) |
| Feb. 22, 2022 | GNTX | S 10b5-1 | 5,765 | $30.36 | $175,025 | 30,448 Direct | -15.92% | Disposed | -29.0% (price as of 2026-10-06) |
| Feb. 22, 2022 | GNTX | A | 10,228 | · | · | 40,676 Direct | +33.59% | Acquired | (price as of 2026-10-06) |
| Feb. 22, 2022 | GNTX | S 10b5-1 | 10,228 | $30.36 | $310,522 | 30,448 Direct | -25.15% | Disposed | -29.0% (price as of 2026-10-06) |
| Feb. 17, 2022 | GNTX | A | 7,026 | · | · | 36,213 Direct | +24.07% | Acquired | (price as of 2026-10-06) |
| Feb. 15, 2022 | GNTX | S 10b5-1 | 8,000 | $31.50 | $252,000 | 29,187 Direct | -21.51% | Disposed | -31.6% (price as of 2026-10-06) |
| March 31, 2021 | GNTX | S 10b5-1 | 2,053 | $35.66 | $73,210 | 37,025 Direct | -5.25% | Disposed | -39.6% (price as of 2026-10-06) |
| Feb. 18, 2021 | GNTX | A | 6,456 | · | · | 39,058 Direct | +19.80% | Acquired | (price as of 2026-10-06) |
| Nov. 18, 2020 | GNTX | M | 15,000 | $22.94 | $344,100 | 47,578 Direct | +46.04% | Acquired | -6.1% (price as of 2026-10-06) |
| Nov. 18, 2020 | GNTX | M | 4,968 | $15.69 | $77,948 | 52,546 Direct | +10.44% | Acquired | 37.3% (price as of 2026-10-06) |
| Nov. 18, 2020 | GNTX | S 10b5-1 | 19,968 | $33.22 | $663,337 | 32,578 Direct | -38.00% | Disposed | -35.1% (price as of 2026-10-06) |
| Nov. 18, 2020 | GNTX | M | 15,000 | · | · | 15,000 Direct | -50.00% | Disposed | (price as of 2026-10-06) |
| Nov. 18, 2020 | GNTX | M | 4,968 | · | · | 1,242 Direct | -80.00% | Disposed | (price as of 2026-10-06) |
| June 26, 2020 | GNTX | P | 30 | $21.42 | $643 | 32,547 Direct | +0.09% | Acquired | 0.6% (price as of 2026-10-06) |
| March 27, 2020 | GNTX | P | 575 | $18.53 | $10,655 | 32,517 Direct | +1.80% | Acquired | 16.3% (price as of 2026-10-06) |
| Feb. 20, 2020 | GNTX | A | 6,035 | · | · | 31,942 Direct | +23.29% | Acquired | (price as of 2026-10-06) |
| Dec. 27, 2019 | GNTX | P | 13 | $24.65 | $320 | 25,907 Direct | +0.05% | Acquired | -12.6% (price as of 2026-10-06) |
| Oct. 1, 2019 | GNTX | S | 8,000 | $27.49 | $219,920 | 25,894 Direct | -23.60% | Disposed | -21.6% (price as of 2026-10-06) |
| Sept. 27, 2019 | GNTX | P | 14 | $23.52 | $329 | 33,894 Direct | +0.04% | Acquired | -8.4% (price as of 2026-10-06) |
| July 22, 2019 | GNTX | M | 5,640 | $18.30 | $103,212 | 39,520 Direct | +16.65% | Acquired | 17.8% (price as of 2026-10-06) |
| July 22, 2019 | GNTX | S 10b5-1 | 5,640 | $25.32 | $142,805 | 33,880 Direct | -14.27% | Disposed | -14.9% (price as of 2026-10-06) |
| July 22, 2019 | GNTX | M | 5,640 | $18.30 | $103,212 | 0 Direct | -100.00% | Disposed | 17.8% (price as of 2026-10-06) |
| June 28, 2019 | GNTX | P | 15 | $20.92 | $314 | 33,880 Direct | +0.04% | Acquired | 3.0% (price as of 2026-10-06) |
| March 29, 2019 | GNTX | P | 588 | $17.58 | $10,337 | 33,865 Direct | +1.77% | Acquired | 22.6% (price as of 2026-10-06) |
| March 28, 2019 | GNTX | S 10b5-1 | 6,920 | $20.54 | $142,137 | 33,277 Direct | -17.22% | Disposed | 4.9% (price as of 2026-10-06) |
| March 18, 2019 | GNTX | M | 2,686 | $15.41 | $41,391 | 42,883 Direct | +6.68% | Acquired | 39.8% (price as of 2026-10-06) |
| March 18, 2019 | GNTX | S 10b5-1 | 2,686 | $20.82 | $55,923 | 40,197 Direct | -6.26% | Disposed | 3.5% (price as of 2026-10-06) |
| March 18, 2019 | GNTX | M | 2,686 | $15.41 | $41,391 | 0 Direct | -100.00% | Disposed | 39.8% (price as of 2026-10-06) |
| Feb. 20, 2019 | GNTX | A | 5,765 | · | · | 40,197 Direct | +16.74% | Acquired | (price as of 2026-10-06) |
| Dec. 28, 2018 | GNTX | P | 19 | $16.86 | $320 | 34,432 Direct | +0.06% | Acquired | 27.8% (price as of 2026-10-06) |
| Sept. 28, 2018 | GNTX | P | 18 | $18.24 | $328 | 34,413 Direct | +0.05% | Acquired | 18.1% (price as of 2026-10-06) |
| Sept. 27, 2018 | GNTX | S | 4,000 | $21.50 | $86,000 | 34,395 Direct | -10.42% | Disposed | 0.2% (price as of 2026-10-06) |
| June 29, 2018 | GNTX | A | 16 | $19.57 | $313 | 38,395 Direct | +0.04% | Acquired | 10.1% (price as of 2026-10-06) |
| March 29, 2018 | GNTX | A | 17 | $19.57 | $333 | 38,379 Direct | +0.04% | Acquired | 10.1% (price as of 2026-10-06) |
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 |
|---|---|---|---|---|---|---|---|
| March 6, 2023 | GNTX | Employee Stock Option (Right to buy) | Common Stock | $15.69 | March 31, 2023 | 1,242 | Disposed |
| Nov. 18, 2020 | GNTX | Employee Stock Option (Right to buy) | Common Stock | $22.94 | Feb. 15, 2028 | 15,000 | Disposed |
| Nov. 18, 2020 | GNTX | Employee Stock Option (Right to buy) | Common Stock | $15.69 | March 31, 2021 | 4,968 | Disposed |
| July 22, 2019 | GNTX | Employee Stock Option (Right to buy) | Common Stock | $18.30 | March 31, 2020 | 5,640 | Disposed |
| March 18, 2019 | GNTX | Employee Stock Option (Right to buy) | Common Stock | $15.41 | March 28, 2019 | 2,686 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Feb. 22, 2018 | GNTX | Common Stock | 38,362 | Direct |
| Feb. 20, 2018 | GNTX | Common Stock | 38,632 | Direct |
| Feb. 20, 2018 | GNTX | Employee Stock Option (Right to Buy) | 2,686 | Direct |
| Feb. 20, 2018 | GNTX | Employee Stock Option (Right to Buy) | 5,640 | Direct |
| Feb. 20, 2018 | GNTX | Employee Stock Option (Right to Buy) | 6,210 | Direct |
| Feb. 20, 2018 | GNTX | Employee Stock Option (Right to Buy) | 30,000 | Direct |
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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $575,000 | · | $1,216,219 | · | $452,899 | · | $217,007 | $2,461,125 |
| 2024 | $566,231 | · | $952,885 | · | $292,517 | · | $198,017 | $2,009,650 |
| 2023 | $509,154 | · | $1,612,411 | · | $716,378 | · | $154,841 | $2,992,784 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.