William Banyai

CIK 1753670 · View on SEC EDGAR ↗

Insider

First SEC filing: Oct. 30, 2018 · Latest: Oct. 30, 2018

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 49 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

49 other filings hidden
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 261.4% (price as of 2026-08-19)
April 2, 2024 TWST S 327 $32.74 $10,706 345,986 Direct -0.09% Disposed 309.8% (price as of 2026-08-19)
March 20, 2024 TWST S 442 $33.52 $14,816 346,313 Direct -0.13% Disposed 300.3% (price as of 2026-08-19)
March 6, 2024 TWST S 549 $37.43 $20,549 346,755 Direct -0.16% Disposed 258.5% (price as of 2026-08-19)
Jan. 4, 2023 TWST S 10b5-1 292 $24.05 $7,023 272,614 Direct -0.11% Disposed 457.9% (price as of 2026-08-19)
Nov. 21, 2022 TWST S 10b5-1 1,275 $24.90 $31,748 253,631 Direct -0.50% Disposed 438.9% (price as of 2026-08-19)
Oct. 25, 2022 TWST S 10b5-1 379 $29.55 $11,199 255,581 Direct -0.15% Disposed 354.1% (price as of 2026-08-19)
Oct. 3, 2022 TWST S 10b5-1 318 $36.14 $11,493 256,161 Direct -0.12% Disposed 271.3% (price as of 2026-08-19)
Aug. 22, 2022 TWST S 10b5-1 1,275 $41.94 $53,474 256,779 Direct -0.49% Disposed 219.9% (price as of 2026-08-19)
July 25, 2022 TWST S 10b5-1 378 $43.19 $16,326 258,729 Direct -0.15% Disposed 210.7% (price as of 2026-08-19)
July 5, 2022 TWST S 10b5-1 318 $36.79 $11,699 259,308 Direct -0.12% Disposed 264.7% (price as of 2026-08-19)
May 23, 2022 TWST S 10b5-1 1,275 $37.04 $47,226 259,926 Direct -0.49% Disposed 262.2% (price as of 2026-08-19)
April 25, 2022 TWST S 10b5-1 378 $33.98 $12,844 261,876 Direct -0.14% Disposed 294.9% (price as of 2026-08-19)
April 4, 2022 TWST S 10b5-1 318 $53.61 $17,048 262,455 Direct -0.12% Disposed 150.3% (price as of 2026-08-19)
Feb. 22, 2022 TWST S 10b5-1 1,280 $52.66 $67,405 263,073 Direct -0.48% Disposed 154.8% (price as of 2026-08-19)
Jan. 25, 2022 TWST S 10b5-1 348 $54.73 $19,046 265,174 Direct -0.13% Disposed 145.2% (price as of 2026-08-19)
Jan. 21, 2022 TWST S 10b5-1 245 $53.36 $13,073 265,753 Direct -0.09% Disposed 151.5% (price as of 2026-08-19)
Jan. 4, 2022 TWST S 10b5-1 292 $83.49 $24,379 265,998 Direct -0.11% Disposed 60.7% (price as of 2026-08-19)
Dec. 15, 2021 TWST S 10b5-1 1,010 $89.50 $90,395 260,428 Direct -0.39% Disposed 49.9% (price as of 2026-08-19)
Dec. 15, 2021 TWST S 10b5-1 2,439 $88.88 $216,778 261,438 Direct -0.92% Disposed 51.0% (price as of 2026-08-19)
Dec. 15, 2021 TWST S 10b5-1 506 $87.57 $44,310 263,877 Direct -0.19% Disposed 53.2% (price as of 2026-08-19)
Dec. 15, 2021 TWST S 10b5-1 1,206 $86.30 $104,078 264,383 Direct -0.45% Disposed 55.5% (price as of 2026-08-19)
Dec. 15, 2021 TWST S 10b5-1 4,370 $85.29 $372,717 265,589 Direct -1.62% Disposed 57.3% (price as of 2026-08-19)
Dec. 15, 2021 TWST S 10b5-1 11,769 $84.36 $992,833 269,959 Direct -4.18% Disposed 59.1% (price as of 2026-08-19)
Dec. 15, 2021 TWST S 10b5-1 3,700 $83.50 $308,950 281,728 Direct -1.30% Disposed 60.7% (price as of 2026-08-19)
Nov. 22, 2021 TWST S 10b5-1 2,431 $104.92 $255,061 285,428 Direct -0.84% Disposed 27.9% (price as of 2026-08-19)
Nov. 22, 2021 TWST S 10b5-1 1,967 $103.78 $204,135 287,859 Direct -0.68% Disposed 29.3% (price as of 2026-08-19)
Nov. 22, 2021 TWST S 10b5-1 3,900 $102.86 $401,154 289,826 Direct -1.33% Disposed 30.4% (price as of 2026-08-19)
Nov. 22, 2021 TWST S 10b5-1 3,926 $101.81 $399,706 293,726 Direct -1.32% Disposed 31.8% (price as of 2026-08-19)
Nov. 22, 2021 TWST S 10b5-1 3,966 $100.66 $399,218 297,652 Direct -1.31% Disposed 33.3% (price as of 2026-08-19)
Nov. 22, 2021 TWST S 10b5-1 1,892 $99.73 $188,689 301,618 Direct -0.62% Disposed 34.5% (price as of 2026-08-19)
Nov. 22, 2021 TWST S 10b5-1 1,601 $98.55 $157,779 303,510 Direct -0.52% Disposed 36.1% (price as of 2026-08-19)
Nov. 22, 2021 TWST S 10b5-1 300 $96.97 $29,091 305,111 Direct -0.10% Disposed 38.4% (price as of 2026-08-19)
Oct. 25, 2021 TWST S 10b5-1 1,335 $115.79 $154,580 324,834 Direct -0.41% Disposed 15.9% (price as of 2026-08-19)
Oct. 25, 2021 TWST S 10b5-1 863 $117.13 $101,083 323,971 Direct -0.27% Disposed 14.6% (price as of 2026-08-19)
Oct. 25, 2021 TWST S 10b5-1 7,619 $117.96 $898,737 316,352 Direct -2.35% Disposed 13.7% (price as of 2026-08-19)
Oct. 25, 2021 TWST S 10b5-1 9,974 $118.68 $1,183,714 306,378 Direct -3.15% Disposed 13.1% (price as of 2026-08-19)
Sept. 20, 2021 TWST S 10b5-1 200 $117.24 $23,448 298,518 Direct -0.07% Disposed 14.4% (price as of 2026-08-19)
Sept. 20, 2021 TWST S 10b5-1 758 $116.82 $88,550 298,718 Direct -0.25% Disposed 14.9% (price as of 2026-08-19)
Sept. 20, 2021 TWST S 10b5-1 1,499 $115.58 $173,254 299,476 Direct -0.50% Disposed 16.1% (price as of 2026-08-19)
Sept. 20, 2021 TWST S 10b5-1 4,473 $114.41 $511,756 300,975 Direct -1.46% Disposed 17.3% (price as of 2026-08-19)
Sept. 20, 2021 TWST S 10b5-1 9,670 $113.55 $1,098,028 305,448 Direct -3.07% Disposed 18.2% (price as of 2026-08-19)
Sept. 20, 2021 TWST S 10b5-1 3,400 $112.66 $383,044 315,118 Direct -1.07% Disposed 19.1% (price as of 2026-08-19)
Aug. 23, 2021 TWST S 10b5-1 1,652 $108.09 $178,565 318,518 Direct -0.52% Disposed 24.1% (price as of 2026-08-19)
Aug. 23, 2021 TWST S 10b5-1 1,710 $106.92 $182,833 320,170 Direct -0.53% Disposed 25.5% (price as of 2026-08-19)
Aug. 23, 2021 TWST S 10b5-1 7,151 $106.10 $758,721 321,880 Direct -2.17% Disposed 26.5% (price as of 2026-08-19)
Aug. 23, 2021 TWST S 10b5-1 6,228 $105.20 $655,186 329,031 Direct -1.86% Disposed 27.5% (price as of 2026-08-19)
Aug. 23, 2021 TWST S 10b5-1 1,159 $104.24 $120,814 335,259 Direct -0.34% Disposed 28.7% (price as of 2026-08-19)
Aug. 23, 2021 TWST S 10b5-1 600 $102.94 $61,764 336,418 Direct -0.18% Disposed 30.3% (price as of 2026-08-19)
Aug. 23, 2021 TWST S 10b5-1 1,554 $101.72 $158,073 337,018 Direct -0.46% Disposed 31.9% (price as of 2026-08-19)
July 26, 2021 TWST S 10b5-1 1,258 $117.49 $147,802 339,468 Direct -0.37% Disposed 14.2% (price as of 2026-08-19)

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 (16,833) $5.95 Sept. 28, 2025 16,833 Acquired
Oct. 13, 2021 TWST Employee Stock Option (right to buy) Common Stock (11,348) $8.82 Sept. 28, 2027 11,348 Acquired
Sept. 1, 2020 TWST Employee Stock Option (right to buy) Common Stock (23,355) $67.85 Aug. 31, 2030 23,355 Acquired
Oct. 24, 2019 TWST Employee Stock Option (right to buy) Common Stock (39,710) $23.33 Oct. 23, 2029 39,710 Acquired
Nov. 19, 2018 TWST Employee Stock Option (right to buy) Common Stock (91,004) $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.

Date Ticker Security Shares Ownership
Oct. 30, 2018 TWST Common Stock 708,330 Direct
Oct. 30, 2018 TWST Employee Stock Option (right to buy)→ Common Stock (100,999) 100,999 Direct
Oct. 30, 2018 TWST Employee Stock Option (right to buy)→ Common Stock (152,509) 152,509 Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

TWST

SVP
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.