Emily M. Leproust

CIK 1753655 · View on SEC EDGAR ↗

Insider

First SEC filing: Sept. 1, 2020 · Latest: June 10, 2026

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Insider at

Insider transactions

0 buys (P) 32 sells (S) Net: $-28,136,542 + 39 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

39 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 12, 2026 TWST S 10b5-1 19,952 $125.08 $2,495,596 818,938 Direct -2.38% Disposed 7.3% (price as of 2026-08-19)
Aug. 10, 2026 TWST S 10b5-1 113,318 $125.16 $14,182,881 818,938 Direct -12.16% Disposed 7.2% (price as of 2026-08-19)
Aug. 3, 2026 TWST S 5,101 $85.32 $435,217 818,938 Direct -0.62% Disposed 57.3% (price as of 2026-08-19)
June 25, 2026 TWST S 10b5-1 18,880 $95.00 $1,793,600 824,039 Direct -2.24% Disposed 41.2% (price as of 2026-08-19)
June 22, 2026 TWST S 1,688 $87.32 $147,396 842,919 Direct -0.20% Disposed 53.7% (price as of 2026-08-19)
June 8, 2026 TWST S 2,265 $69.84 $158,188 844,607 Direct -0.27% Disposed 92.1% (price as of 2026-08-19)
May 28, 2026 TWST S 10b5-1 6,465 $68.61 $443,564 846,872 Direct -0.76% Disposed 95.6% (price as of 2026-08-19)
May 28, 2026 TWST S 10b5-1 7,623 $67.95 $517,983 853,337 Direct -0.89% Disposed 97.5% (price as of 2026-08-19)
May 28, 2026 TWST S 10b5-1 900 $66.85 $60,165 860,960 Direct -0.10% Disposed 100.7% (price as of 2026-08-19)
May 28, 2026 TWST S 10b5-1 1,482 $65.33 $96,819 861,860 Direct -0.17% Disposed 105.4% (price as of 2026-08-19)
May 27, 2026 TWST S 10b5-1 1,265 $66.28 $83,844 846,872 Direct -0.15% Disposed 102.4% (price as of 2026-08-19)
May 27, 2026 TWST S 10b5-1 23,752 $65.24 $1,549,580 848,137 Direct -2.72% Disposed 105.7% (price as of 2026-08-19)
May 26, 2026 TWST S 10b5-1 24,282 $65.08 $1,580,273 846,872 Direct -2.79% Disposed 106.2% (price as of 2026-08-19)
May 21, 2026 TWST S 6,888 $53.26 $366,855 846,872 Direct -0.81% Disposed 151.9% (price as of 2026-08-19)
May 4, 2026 TWST S 5,127 $57.15 $293,008 853,760 Direct -0.60% Disposed 134.8% (price as of 2026-08-19)
April 22, 2026 TWST S 10b5-1 151 $66.00 $9,966 858,887 Direct -0.02% Disposed 103.3% (price as of 2026-08-19)
April 22, 2026 TWST S 10b5-1 7,910 $65.28 $516,365 859,038 Direct -0.91% Disposed 105.5% (price as of 2026-08-19)
April 21, 2026 TWST S 10b5-1 1,610 $65.01 $104,666 858,887 Direct -0.19% Disposed 106.4% (price as of 2026-08-19)
March 20, 2026 TWST S 1,742 $43.79 $76,282 858,887 Direct -0.20% Disposed 206.4% (price as of 2026-08-19)
March 6, 2026 TWST S 2,423 $46.43 $112,500 860,629 Direct -0.28% Disposed 189.0% (price as of 2026-08-19)
Feb. 23, 2026 TWST S 7,205 $46.71 $336,546 863,052 Direct -0.83% Disposed 187.3% (price as of 2026-08-19)
Feb. 3, 2026 TWST S 5,001 $46.58 $232,947 869,312 Direct -0.57% Disposed 188.1% (price as of 2026-08-19)
Dec. 22, 2025 TWST S 1,605 $34.56 $55,469 874,313 Direct -0.18% Disposed 288.2% (price as of 2026-08-19)
Dec. 8, 2025 TWST S 2,255 $32.88 $74,144 875,918 Direct -0.26% Disposed 308.1% (price as of 2026-08-19)
Nov. 21, 2025 TWST S 2,663 $26.50 $70,570 878,173 Direct -0.30% Disposed 406.3% (price as of 2026-08-19)
Nov. 3, 2025 TWST S 4,887 $32.08 $156,775 733,922 Direct -0.66% Disposed 318.3% (price as of 2026-08-19)
Oct. 30, 2025 TWST S 31,379 $31.44 $986,556 738,809 Direct -4.07% Disposed 326.8% (price as of 2026-08-19)
Oct. 6, 2025 TWST S 31,348 $32.19 $1,009,092 601,212 Direct -4.96% Disposed 316.8% (price as of 2026-08-19)
Oct. 2, 2025 TWST S 476 $29.16 $13,880 632,560 Direct -0.08% Disposed 360.1% (price as of 2026-08-19)
Sept. 22, 2025 TWST S 1,704 $27.56 $46,962 633,036 Direct -0.27% Disposed 386.8% (price as of 2026-08-19)
Sept. 8, 2025 TWST S 2,265 $25.76 $58,346 634,740 Direct -0.36% Disposed 420.9% (price as of 2026-08-19)
Aug. 21, 2025 TWST S 2,716 $25.96 $70,507 637,005 Direct -0.42% Disposed 416.9% (price as of 2026-08-19)
Aug. 4, 2025 TWST S 5,585 $28.36 $158,391 639,721 Direct -0.87% Disposed 373.1% (price as of 2026-08-19)
July 2, 2025 TWST S 476 $36.19 $17,226 645,306 Direct -0.07% Disposed 270.8% (price as of 2026-08-19)
June 20, 2025 TWST S 1,678 $35.76 $60,005 645,782 Direct -0.26% Disposed 275.2% (price as of 2026-08-19)
June 6, 2025 TWST S 2,170 $31.75 $68,898 647,460 Direct -0.33% Disposed 322.6% (price as of 2026-08-19)
May 21, 2025 TWST S 2,802 $29.75 $83,360 649,630 Direct -0.43% Disposed 351.0% (price as of 2026-08-19)
May 5, 2025 TWST S 5,042 $37.65 $189,831 655,432 Direct -0.76% Disposed 256.4% (price as of 2026-08-19)
April 2, 2025 TWST S 492 $38.73 $19,055 660,474 Direct -0.07% Disposed 246.4% (price as of 2026-08-19)
March 20, 2025 TWST S 1,726 $41.68 $71,940 660,966 Direct -0.26% Disposed 221.9% (price as of 2026-08-19)
March 6, 2025 TWST S 2,402 $40.91 $98,266 662,692 Direct -0.36% Disposed 228.0% (price as of 2026-08-19)
Feb. 21, 2025 TWST S 2,790 $44.18 $123,262 665,094 Direct -0.42% Disposed 203.7% (price as of 2026-08-19)
Feb. 3, 2025 TWST S 5,200 $49.35 $256,620 667,318 Direct -0.77% Disposed 171.9% (price as of 2026-08-19)
Jan. 3, 2025 TWST S 546 $45.59 $24,892 672,518 Direct -0.08% Disposed 194.3% (price as of 2026-08-19)
Dec. 20, 2024 TWST S 1,654 $44.90 $74,265 673,064 Direct -0.25% Disposed 198.8% (price as of 2026-08-19)
Dec. 6, 2024 TWST S 2,216 $52.70 $116,783 674,718 Direct -0.33% Disposed 154.6% (price as of 2026-08-19)
Nov. 11, 2024 TWST S 7,968 $48.00 $382,464 581,584 Direct -1.35% Disposed 179.5% (price as of 2026-08-19)
Nov. 6, 2024 TWST S 14,334 $44.60 $639,296 589,552 Direct -2.37% Disposed 200.8% (price as of 2026-08-19)
Nov. 6, 2024 TWST S 14,334 $44.60 $639,296 589,552 Direct -2.37% Disposed 200.8% (price as of 2026-08-19)
Nov. 4, 2024 TWST S 4,841 $41.56 $201,192 603,886 Direct -0.80% Disposed 222.8% (price as of 2026-08-19)
Oct. 2, 2024 TWST S 13,605 $43.21 $587,872 481,918 Direct -2.75% Disposed 210.5% (price as of 2026-08-19)
Sept. 20, 2024 TWST S 1,730 $46.94 $81,206 495,523 Direct -0.35% Disposed 185.8% (price as of 2026-08-19)
Sept. 6, 2024 TWST S 2,340 $39.16 $91,634 497,253 Direct -0.47% Disposed 242.6% (price as of 2026-08-19)
Aug. 5, 2024 TWST S 5,139 $39.93 $205,200 499,593 Direct -1.02% Disposed 236.0% (price as of 2026-08-19)
July 2, 2024 TWST S 1,114 $48.00 $53,472 504,732 Direct -0.22% Disposed 179.5% (price as of 2026-08-19)
June 20, 2024 TWST S 1,732 $49.41 $85,578 505,846 Direct -0.34% Disposed 171.6% (price as of 2026-08-19)
June 6, 2024 TWST S 2,408 $51.33 $123,603 507,578 Direct -0.47% Disposed 161.4% (price as of 2026-08-19)
May 3, 2024 TWST S 4,163 $37.13 $154,572 509,986 Direct -0.81% Disposed 261.4% (price as of 2026-08-19)
April 2, 2024 TWST S 1,132 $32.74 $37,062 514,149 Direct -0.22% Disposed 309.8% (price as of 2026-08-19)
March 20, 2024 TWST S 1,128 $33.52 $37,811 515,281 Direct -0.22% Disposed 300.3% (price as of 2026-08-19)
March 6, 2024 TWST S 1,487 $37.43 $55,658 516,409 Direct -0.29% Disposed 258.5% (price as of 2026-08-19)

Showing latest 100 of 381 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
Aug. 12, 2026 TWST Employee Stock Option (right to buy) Common Stock (19,952) $26.66 Nov. 18, 2028 19,952 Disposed
Aug. 10, 2026 TWST Employee Stock Option (right to buy) Common Stock (113,318) $26.66 Nov. 18, 2028 113,318 Disposed
June 18, 2026 WGS Restricted Stock Unit Class A Common Stock (3,576) — — 3,576 Disposed
June 18, 2026 WGS Restricted Stock Unit Class A Common Stock (4,248) — — 4,248 Acquired
May 28, 2026 TWST Employee Stock Option (right to buy) Common Stock (16,470) $8.82 Sept. 28, 2027 16,470 Disposed
May 27, 2026 TWST Employee Stock Option (right to buy) Common Stock (25,017) $8.82 Sept. 28, 2027 25,017 Acquired
May 26, 2026 TWST Employee Stock Option (right to buy) Common Stock (24,282) $8.82 Sept. 28, 2027 24,282 Acquired
April 22, 2026 TWST Employee Stock Option (right to buy) Common Stock (8,061) $8.82 Sept. 28, 2027 8,061 Acquired
April 21, 2026 TWST Employee Stock Option (right to buy) Common Stock (1,610) $8.82 Sept. 28, 2027 1,610 Acquired
July 21, 2023 WGS Restricted Stock Unit Class A Common Stock (5,828) — — 5,828 Acquired
July 21, 2023 WGS Stock Option (Right to Buy) Class A Common Stock (8,816) $7.89 July 20, 2033 8,816 Acquired
May 4, 2023 TWST Employee Stock Option (right to buy) Common Stock (24,360) $5.95 Sept. 28, 2025 24,360 Acquired
May 2, 2023 WGS Restricted Stock Unit Class A Common Stock (45,454) — — 45,454 Disposed
May 2, 2022 WGS Stock Option Class A Common Stock (78,914) — May 1, 2032 78,914 Acquired
May 2, 2022 WGS Restricted Stock Unit Class A Common Stock (45,454) — — 45,454 Acquired
May 2, 2022 WGS Stock Option (Right to Buy) Class A Common Stock (78,914) $2.15 May 1, 2032 78,914 Acquired
April 27, 2022 WGS Restricted Stock Unit Class A Common Stock (12,836) — — 12,836 Disposed
Jan. 18, 2022 TWST Employee Stock Option (right to buy) Common Stock (286) $8.82 Sept. 28, 2027 286 Acquired
Dec. 31, 2021 TWST Employee Stock Option (right to buy) Common Stock (11,348) $8.82 Sept. 28, 2027 11,348 Acquired
Dec. 31, 2021 TWST Employee Stock Option (right to buy) Common Stock (11,533) $5.95 Sept. 28, 2025 11,533 Acquired
Dec. 8, 2021 TWST Employee Stock Option (right to buy) Common Stock (6,960) $5.95 Sept. 28, 2025 6,960 Disposed
Nov. 15, 2021 TWST Employee Stock Option (right to buy) Common Stock (10,440) $5.95 Sept. 28, 2025 10,440 Disposed
Nov. 5, 2021 TWST Employee Stock Option (right to buy) Common Stock (1,501) $8.82 Sept. 28, 2027 1,501 Disposed
Nov. 4, 2021 TWST Employee Stock Option (right to buy) Common Stock (8,208) $8.82 Sept. 28, 2027 8,208 Disposed
Nov. 3, 2021 TWST Employee Stock Option (right to buy) Common Stock (5,584) $8.82 Sept. 28, 2027 5,584 Disposed
Nov. 3, 2021 TWST Employee Stock Option (right to buy) Common Stock (5,220) $5.95 Sept. 28, 2025 5,220 Disposed
Nov. 2, 2021 TWST Employee Stock Option (right to buy) Common Stock (8,866) $8.82 Sept. 28, 2027 8,866 Disposed
Oct. 21, 2021 TWST Employee Stock Option (right to buy) Common Stock (1,740) $5.95 Sept. 28, 2025 1,740 Disposed
Oct. 15, 2021 WGS Restricted Stock Unit Class A Common Stock (12,836) — — 12,836 Acquired
Oct. 15, 2021 WGS Employee Stock Option (Right to Buy) Class A Common Stock (22,286) $7.79 Oct. 14, 2031 22,286 Acquired
Oct. 13, 2021 TWST Employee Stock Option (right to buy) Common Stock (1,740) $5.95 Sept. 28, 2025 1,740 Disposed
Oct. 7, 2021 TWST Employee Stock Option (right to buy) Common Stock (1,740) $5.95 Sept. 28, 2025 1,740 Disposed
Oct. 6, 2021 TWST Employee Stock Option (right to buy) Common Stock (6,960) $5.95 Sept. 28, 2025 6,960 Disposed
Sept. 10, 2021 TWST Employee Stock Option (right to buy) Common Stock (13,920) $5.95 Sept. 28, 2025 13,920 Disposed
Sept. 9, 2021 TWST Employee Stock Option (right to buy) Common Stock (15,667) $8.82 Sept. 28, 2027 15,667 Disposed
Aug. 31, 2021 TWST Employee Stock Option (right to buy) Common Stock (28,455) $8.82 Sept. 28, 2027 28,455 Disposed
Aug. 31, 2021 TWST Employee Stock Option (right to buy) Common Stock (1,556) $5.95 Sept. 28, 2025 1,556 Disposed
Aug. 30, 2021 TWST Employee Stock Option (right to buy) Common Stock (9,530) $5.95 Sept. 28, 2025 9,530 Disposed
July 22, 2021 WGS Private Placement Warrants Class A Common Stock (166,666) $11.50 — 166,666 Acquired
July 22, 2021 WGS Class B Common Stock Class A Common Stock (25,000) — — 25,000 Disposed
Dec. 24, 2020 TWST Employee Stock Option (right to buy) Common Stock (5,300) $5.95 Sept. 28, 2025 5,300 Disposed
Sept. 1, 2020 TWST Employee Stock Option (right to buy) Common Stock (64,950) $67.85 Aug. 31, 2030 64,950 Acquired
Oct. 24, 2019 TWST Employee Stock Option (right to buy) Common Stock (131,290) $23.33 Oct. 23, 2029 131,290 Acquired
Nov. 19, 2018 TWST Employee Stock Option (right to buy) Common Stock (266,539) $26.66 Nov. 18, 2028 266,539 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 4 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
Sept. 1, 2020 WGS Class B common stock→ Class A common stock (25,000) 25,000 Direct
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 (230,794) 230,794 Direct

Compensation (DEF 14A)

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

TWST

CEO
Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2025 $720,000 — $11,998,134 — $932,918 — $130,518 $13,781,570
2024 $685,000 — $5,849,949 — $955,575 — $130,087 $7,620,611
2023 $685,000 $53,796 $6,632,151 — $501,054 — $126,636 $7,998,637

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.