William Banyai
Insider
First SEC filing: Oct. 30, 2018 · Latest: Oct. 30, 2018
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 3, 2024 | TWST | S | 798 | $37.13 | $29,630 | 345,188 Direct | -0.23% | Disposed | 408.1% (price as of 2026-10-02) |
| April 2, 2024 | TWST | S | 327 | $32.74 | $10,706 | 345,986 Direct | -0.09% | Disposed | 476.3% (price as of 2026-10-02) |
| March 20, 2024 | TWST | S | 442 | $33.52 | $14,816 | 346,313 Direct | -0.13% | Disposed | 462.9% (price as of 2026-10-02) |
| March 6, 2024 | TWST | S | 549 | $37.43 | $20,549 | 346,755 Direct | -0.16% | Disposed | 404.1% (price as of 2026-10-02) |
| Feb. 2, 2024 | TWST | F | 1,043 | $36.59 | $38,163 | 347,304 Direct | -0.30% | Disposed | 415.6% (price as of 2026-10-02) |
| Jan. 2, 2024 | TWST | F | 356 | $36.86 | $13,122 | 348,347 Direct | -0.10% | Disposed | 411.9% (price as of 2026-10-02) |
| Dec. 19, 2023 | TWST | F | 608 | $38.33 | $23,305 | 348,703 Direct | -0.17% | Disposed | 392.2% (price as of 2026-10-02) |
| Dec. 5, 2023 | TWST | F | 775 | $24.67 | $19,119 | 349,311 Direct | -0.22% | Disposed | 664.8% (price as of 2026-10-02) |
| Nov. 20, 2023 | TWST | F | 968 | $24.74 | $23,948 | 350,086 Direct | -0.28% | Disposed | 662.6% (price as of 2026-10-02) |
| Nov. 2, 2023 | TWST | A | 41,455 | · | · | 351,054 Direct | +13.39% | Acquired | (price as of 2026-10-02) |
| Nov. 2, 2023 | TWST | F | 2,731 | $17.31 | $47,274 | 309,599 Direct | -0.87% | Disposed | 989.9% (price as of 2026-10-02) |
| Nov. 2, 2023 | TWST | A | 19,743 | · | · | 312,330 Direct | +6.75% | Acquired | (price as of 2026-10-02) |
| Oct. 24, 2023 | TWST | F | 201 | $16.58 | $3,333 | 292,587 Direct | -0.07% | Disposed | 1037.9% (price as of 2026-10-02) |
| Sept. 29, 2023 | TWST | F | 301 | $20.26 | $6,098 | 292,788 Direct | -0.10% | Disposed | 831.2% (price as of 2026-10-02) |
| Sept. 19, 2023 | TWST | F | 424 | $20.33 | $8,620 | 293,089 Direct | -0.14% | Disposed | 828.0% (price as of 2026-10-02) |
| Sept. 5, 2023 | TWST | A | 25,000 | · | · | 293,513 Direct | +9.31% | Acquired | (price as of 2026-10-02) |
| Aug. 18, 2023 | TWST | F | 675 | $19.46 | $13,136 | 268,513 Direct | -0.25% | Disposed | 869.5% (price as of 2026-10-02) |
| July 24, 2023 | TWST | F | 201 | $25.09 | $5,043 | 269,188 Direct | -0.07% | Disposed | 652.0% (price as of 2026-10-02) |
| June 30, 2023 | TWST | F | 300 | $20.46 | $6,138 | 269,389 Direct | -0.11% | Disposed | 822.1% (price as of 2026-10-02) |
| June 16, 2023 | TWST | F | 424 | $18.31 | $7,763 | 269,689 Direct | -0.16% | Disposed | 930.4% (price as of 2026-10-02) |
| May 19, 2023 | TWST | F | 675 | $13.03 | $8,795 | 270,113 Direct | -0.25% | Disposed | 1348.0% (price as of 2026-10-02) |
| April 24, 2023 | TWST | F | 201 | $13.63 | $2,740 | 270,788 Direct | -0.07% | Disposed | 1284.2% (price as of 2026-10-02) |
| March 31, 2023 | TWST | F | 300 | $15.08 | $4,524 | 270,989 Direct | -0.11% | Disposed | 1151.1% (price as of 2026-10-02) |
| March 17, 2023 | TWST | F | 418 | $16.51 | $6,901 | 271,289 Direct | -0.15% | Disposed | 1042.8% (price as of 2026-10-02) |
| Feb. 17, 2023 | TWST | F | 675 | $22.52 | $15,201 | 271,707 Direct | -0.25% | Disposed | 737.8% (price as of 2026-10-02) |
| Jan. 24, 2023 | TWST | F | 232 | $28.74 | $6,668 | 272,382 Direct | -0.09% | Disposed | 556.5% (price as of 2026-10-02) |
| Jan. 4, 2023 | TWST | S 10b5-1 | 292 | $24.05 | $7,023 | 272,614 Direct | -0.11% | Disposed | 684.5% (price as of 2026-10-02) |
| Jan. 3, 2023 | TWST | F | 151 | $23.81 | $3,595 | 272,906 Direct | -0.06% | Disposed | 692.4% (price as of 2026-10-02) |
| Jan. 3, 2023 | TWST | F | 195 | $23.81 | $4,643 | 273,057 Direct | -0.07% | Disposed | 692.4% (price as of 2026-10-02) |
| Dec. 19, 2022 | TWST | A | 19,621 | · | · | 273,252 Direct | +7.74% | Acquired | (price as of 2026-10-02) |
| Nov. 21, 2022 | TWST | S 10b5-1 | 1,275 | $24.90 | $31,748 | 253,631 Direct | -0.50% | Disposed | 657.7% (price as of 2026-10-02) |
| Nov. 18, 2022 | TWST | F | 675 | $24.81 | $16,747 | 254,906 Direct | -0.26% | Disposed | 660.5% (price as of 2026-10-02) |
| Oct. 25, 2022 | TWST | S 10b5-1 | 379 | $29.55 | $11,199 | 255,581 Direct | -0.15% | Disposed | 538.5% (price as of 2026-10-02) |
| Oct. 24, 2022 | TWST | F | 201 | $29.08 | $5,845 | 255,960 Direct | -0.08% | Disposed | 548.8% (price as of 2026-10-02) |
| Oct. 3, 2022 | TWST | S 10b5-1 | 318 | $36.14 | $11,493 | 256,161 Direct | -0.12% | Disposed | 422.1% (price as of 2026-10-02) |
| Sept. 30, 2022 | TWST | F | 131 | $35.24 | $4,616 | 256,479 Direct | -0.05% | Disposed | 435.4% (price as of 2026-10-02) |
| Sept. 30, 2022 | TWST | F | 169 | $35.24 | $5,956 | 256,610 Direct | -0.07% | Disposed | 435.4% (price as of 2026-10-02) |
| Aug. 22, 2022 | TWST | S 10b5-1 | 1,275 | $41.94 | $53,474 | 256,779 Direct | -0.49% | Disposed | 349.9% (price as of 2026-10-02) |
| Aug. 19, 2022 | TWST | F | 675 | $42.81 | $28,897 | 258,054 Direct | -0.26% | Disposed | 340.7% (price as of 2026-10-02) |
| July 25, 2022 | TWST | S 10b5-1 | 378 | $43.19 | $16,326 | 258,729 Direct | -0.15% | Disposed | 336.8% (price as of 2026-10-02) |
| July 22, 2022 | TWST | F | 201 | $43.52 | $8,748 | 259,107 Direct | -0.08% | Disposed | 333.5% (price as of 2026-10-02) |
| July 5, 2022 | TWST | S 10b5-1 | 318 | $36.79 | $11,699 | 259,308 Direct | -0.12% | Disposed | 412.8% (price as of 2026-10-02) |
| July 1, 2022 | TWST | F | 300 | $37.08 | $11,124 | 259,626 Direct | -0.12% | Disposed | 408.8% (price as of 2026-10-02) |
| May 23, 2022 | TWST | S 10b5-1 | 1,275 | $37.04 | $47,226 | 259,926 Direct | -0.49% | Disposed | 409.4% (price as of 2026-10-02) |
| May 20, 2022 | TWST | F | 675 | $36.99 | $24,968 | 261,201 Direct | -0.26% | Disposed | 410.1% (price as of 2026-10-02) |
| April 25, 2022 | TWST | S 10b5-1 | 378 | $33.98 | $12,844 | 261,876 Direct | -0.14% | Disposed | 455.2% (price as of 2026-10-02) |
| April 22, 2022 | TWST | F | 201 | $34.21 | $6,876 | 262,254 Direct | -0.08% | Disposed | 451.5% (price as of 2026-10-02) |
| April 4, 2022 | TWST | S 10b5-1 | 318 | $53.61 | $17,048 | 262,455 Direct | -0.12% | Disposed | 251.9% (price as of 2026-10-02) |
| April 1, 2022 | TWST | F | 300 | $52.91 | $15,873 | 262,773 Direct | -0.11% | Disposed | 256.6% (price as of 2026-10-02) |
| Feb. 22, 2022 | TWST | S 10b5-1 | 1,280 | $52.66 | $67,405 | 263,073 Direct | -0.48% | Disposed | 258.3% (price as of 2026-10-02) |
| Feb. 18, 2022 | TWST | F | 670 | $53.21 | $35,651 | 264,353 Direct | -0.25% | Disposed | 254.6% (price as of 2026-10-02) |
| Jan. 28, 2022 | TWST | F | 151 | $77.39 | $11,686 | 265,023 Direct | -0.06% | Disposed | 143.8% (price as of 2026-10-02) |
| Jan. 25, 2022 | TWST | S 10b5-1 | 348 | $54.73 | $19,046 | 265,174 Direct | -0.13% | Disposed | 244.7% (price as of 2026-10-02) |
| Jan. 24, 2022 | TWST | F | 231 | $55.87 | $12,906 | 265,522 Direct | -0.09% | Disposed | 237.7% (price as of 2026-10-02) |
| Jan. 21, 2022 | TWST | S 10b5-1 | 245 | $53.36 | $13,073 | 265,753 Direct | -0.09% | Disposed | 253.6% (price as of 2026-10-02) |
| Jan. 4, 2022 | TWST | S 10b5-1 | 292 | $83.49 | $24,379 | 265,998 Direct | -0.11% | Disposed | 126.0% (price as of 2026-10-02) |
| Jan. 3, 2022 | TWST | F | 195 | $77.39 | $15,091 | 266,290 Direct | -0.07% | Disposed | 143.8% (price as of 2026-10-02) |
| Dec. 27, 2021 | TWST | A | 6,057 | · | · | 266,485 Direct | +2.33% | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2021 | TWST | S 10b5-1 | 1,010 | $89.50 | $90,395 | 260,428 Direct | -0.39% | Disposed | 110.8% (price as of 2026-10-02) |
| Dec. 15, 2021 | TWST | S 10b5-1 | 2,439 | $88.88 | $216,778 | 261,438 Direct | -0.92% | Disposed | 112.3% (price as of 2026-10-02) |
| Dec. 15, 2021 | TWST | S 10b5-1 | 506 | $87.57 | $44,310 | 263,877 Direct | -0.19% | Disposed | 115.5% (price as of 2026-10-02) |
| Dec. 15, 2021 | TWST | S 10b5-1 | 1,206 | $86.30 | $104,078 | 264,383 Direct | -0.45% | Disposed | 118.6% (price as of 2026-10-02) |
| Dec. 15, 2021 | TWST | S 10b5-1 | 4,370 | $85.29 | $372,717 | 265,589 Direct | -1.62% | Disposed | 121.2% (price as of 2026-10-02) |
| Dec. 15, 2021 | TWST | S 10b5-1 | 11,769 | $84.36 | $992,833 | 269,959 Direct | -4.18% | Disposed | 123.6% (price as of 2026-10-02) |
| Dec. 15, 2021 | TWST | S 10b5-1 | 3,700 | $83.50 | $308,950 | 281,728 Direct | -1.30% | Disposed | 126.0% (price as of 2026-10-02) |
| Nov. 22, 2021 | TWST | S 10b5-1 | 2,431 | $104.92 | $255,061 | 285,428 Direct | -0.84% | Disposed | 79.8% (price as of 2026-10-02) |
| Nov. 22, 2021 | TWST | S 10b5-1 | 1,967 | $103.78 | $204,135 | 287,859 Direct | -0.68% | Disposed | 81.8% (price as of 2026-10-02) |
| Nov. 22, 2021 | TWST | S 10b5-1 | 3,900 | $102.86 | $401,154 | 289,826 Direct | -1.33% | Disposed | 83.4% (price as of 2026-10-02) |
| Nov. 22, 2021 | TWST | S 10b5-1 | 3,926 | $101.81 | $399,706 | 293,726 Direct | -1.32% | Disposed | 85.3% (price as of 2026-10-02) |
| Nov. 22, 2021 | TWST | S 10b5-1 | 3,966 | $100.66 | $399,218 | 297,652 Direct | -1.31% | Disposed | 87.4% (price as of 2026-10-02) |
| Nov. 22, 2021 | TWST | S 10b5-1 | 1,892 | $99.73 | $188,689 | 301,618 Direct | -0.62% | Disposed | 89.2% (price as of 2026-10-02) |
| Nov. 22, 2021 | TWST | S 10b5-1 | 1,601 | $98.55 | $157,779 | 303,510 Direct | -0.52% | Disposed | 91.4% (price as of 2026-10-02) |
| Nov. 22, 2021 | TWST | S 10b5-1 | 300 | $96.97 | $29,091 | 305,111 Direct | -0.10% | Disposed | 94.6% (price as of 2026-10-02) |
| Nov. 19, 2021 | TWST | F | 967 | $110.62 | $106,970 | 305,411 Direct | -0.32% | Disposed | 70.6% (price as of 2026-10-02) |
| Oct. 25, 2021 | TWST | S 10b5-1 | 1,335 | $115.79 | $154,580 | 324,834 Direct | -0.41% | Disposed | 62.9% (price as of 2026-10-02) |
| Oct. 25, 2021 | TWST | S 10b5-1 | 863 | $117.13 | $101,083 | 323,971 Direct | -0.27% | Disposed | 61.1% (price as of 2026-10-02) |
| Oct. 25, 2021 | TWST | S 10b5-1 | 7,619 | $117.96 | $898,737 | 316,352 Direct | -2.35% | Disposed | 59.9% (price as of 2026-10-02) |
| Oct. 25, 2021 | TWST | S 10b5-1 | 9,974 | $118.68 | $1,183,714 | 306,378 Direct | -3.15% | Disposed | 59.0% (price as of 2026-10-02) |
| Oct. 22, 2021 | TWST | F | 288 | $117.41 | $33,814 | 326,169 Direct | -0.09% | Disposed | 60.7% (price as of 2026-10-02) |
| Oct. 13, 2021 | TWST | M | 16,833 | $5.95 | $100,156 | 315,109 Direct | +5.64% | Acquired | 3070.9% (price as of 2026-10-02) |
| Oct. 13, 2021 | TWST | M | 11,348 | $8.82 | $100,089 | 326,457 Direct | +3.60% | Acquired | 2039.1% (price as of 2026-10-02) |
| Oct. 13, 2021 | TWST | M | 16,833 | · | · | 84,166 Direct | +25.00% | Acquired | (price as of 2026-10-02) |
| Oct. 13, 2021 | TWST | M | 11,348 | · | · | 141,161 Direct | +8.74% | Acquired | (price as of 2026-10-02) |
| Oct. 4, 2021 | TWST | F | 242 | $105.50 | $25,531 | 298,276 Direct | -0.08% | Disposed | 78.8% (price as of 2026-10-02) |
| Sept. 20, 2021 | TWST | S 10b5-1 | 200 | $117.24 | $23,448 | 298,518 Direct | -0.07% | Disposed | 60.9% (price as of 2026-10-02) |
| Sept. 20, 2021 | TWST | S 10b5-1 | 758 | $116.82 | $88,550 | 298,718 Direct | -0.25% | Disposed | 61.5% (price as of 2026-10-02) |
| Sept. 20, 2021 | TWST | S 10b5-1 | 1,499 | $115.58 | $173,254 | 299,476 Direct | -0.50% | Disposed | 63.2% (price as of 2026-10-02) |
| Sept. 20, 2021 | TWST | S 10b5-1 | 4,473 | $114.41 | $511,756 | 300,975 Direct | -1.46% | Disposed | 64.9% (price as of 2026-10-02) |
| Sept. 20, 2021 | TWST | S 10b5-1 | 9,670 | $113.55 | $1,098,028 | 305,448 Direct | -3.07% | Disposed | 66.2% (price as of 2026-10-02) |
| Sept. 20, 2021 | TWST | S 10b5-1 | 3,400 | $112.66 | $383,044 | 315,118 Direct | -1.07% | Disposed | 67.5% (price as of 2026-10-02) |
| Aug. 23, 2021 | TWST | S 10b5-1 | 1,652 | $108.09 | $178,565 | 318,518 Direct | -0.52% | Disposed | 74.5% (price as of 2026-10-02) |
| Aug. 23, 2021 | TWST | S 10b5-1 | 1,710 | $106.92 | $182,833 | 320,170 Direct | -0.53% | Disposed | 76.5% (price as of 2026-10-02) |
| Aug. 23, 2021 | TWST | S 10b5-1 | 7,151 | $106.10 | $758,721 | 321,880 Direct | -2.17% | Disposed | 77.8% (price as of 2026-10-02) |
| Aug. 23, 2021 | TWST | S 10b5-1 | 6,228 | $105.20 | $655,186 | 329,031 Direct | -1.86% | Disposed | 79.3% (price as of 2026-10-02) |
| Aug. 23, 2021 | TWST | S 10b5-1 | 1,159 | $104.24 | $120,814 | 335,259 Direct | -0.34% | Disposed | 81.0% (price as of 2026-10-02) |
| Aug. 23, 2021 | TWST | S 10b5-1 | 600 | $102.94 | $61,764 | 336,418 Direct | -0.18% | Disposed | 83.3% (price as of 2026-10-02) |
| Aug. 23, 2021 | TWST | S 10b5-1 | 1,554 | $101.72 | $158,073 | 337,018 Direct | -0.46% | Disposed | 85.5% (price as of 2026-10-02) |
| Aug. 20, 2021 | TWST | F | 896 | $100.49 | $90,039 | 338,572 Direct | -0.26% | Disposed | 87.8% (price as of 2026-10-02) |
| July 26, 2021 | TWST | S 10b5-1 | 1,258 | $117.49 | $147,802 | 339,468 Direct | -0.37% | Disposed | 60.6% (price as of 2026-10-02) |
| Sept. 1, 2020 | TWST | A | 23,355 | · | · | 23,355 Direct | · | Acquired | (price as of 2026-10-02) |
Showing latest 100 of 244 transactions
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 |
|---|---|---|---|---|---|---|---|
| Oct. 13, 2021 | TWST | Employee Stock Option (right to buy) | Common Stock | $5.95 | Sept. 28, 2025 | 16,833 | Acquired |
| Oct. 13, 2021 | TWST | Employee Stock Option (right to buy) | Common Stock | $8.82 | Sept. 28, 2027 | 11,348 | Acquired |
| Sept. 1, 2020 | TWST | Employee Stock Option (right to buy) | Common Stock | $67.85 | Aug. 31, 2030 | 23,355 | Acquired |
| Oct. 24, 2019 | TWST | Employee Stock Option (right to buy) | Common Stock | $23.33 | Oct. 23, 2029 | 39,710 | Acquired |
| Nov. 19, 2018 | TWST | Employee Stock Option (right to buy) | Common Stock | $26.66 | Nov. 18, 2028 | 91,004 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 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 | $460,000 | · | $1,435,172 | · | $416,208 | · | $17,494 | $2,328,874 |
| 2023 | $460,000 | $22,018 | $2,105,067 | · | $220,176 | · | $9,141 | $2,816,402 |
| 2021 | $400,000 | · | · | · | $225,450 | · | $2,667 | $628,117 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.