Leproust Emily M.
Director · Officer · TWST, WGS
As of 2026-09-16, Leproust Emily M. has 77 Form 4 transactions on record across 2 companies — 56 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in September in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $109.9M
- Indirect $0
| TWST | direct | 768,427 sh | $109.9M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-08 | TWST | Sale | 2,302 @ $122.62 | $282K | −0.3% of holding | 768,427 | Form 4 |
| 2026-08-25 | TWST | Sale | 12,648 @ $150.56 | $1.9M | −1.6% of holding | 799,651 | Form 4 |
| 2026-08-25 | TWST | Sale | 12,236 @ $151.35 | $1.9M | −1.5% of holding | 787,415 | Form 4 |
| 2026-08-25 | TWST | Sale | 9,181 @ $153.93 | $1.4M | −1.2% of holding | 771,822 | Form 4 |
| 2026-08-25 | TWST | Sale | 6,412 @ $152.75 | $979K | −0.8% of holding | 781,003 | Form 4 |
| 2026-08-25 | TWST | Sale | 1,093 @ $154.45 | $169K | −0.1% of holding | 770,729 | Form 4 |
| 2026-08-21 | TWST | Sale | 6,639 @ $139.07 | $923K | −0.8% of holding | 812,299 | Form 4 |
| 2026-08-12 | TWST | Sale | 19,952 @ $125.08 | $2.5M | −2.4% of holding | 818,938 | Form 4 |
| 2026-08-10 | TWST | Sale | 113,318 @ $125.16 | $14.2M | −12.2% of holding | 818,938 | Form 4 |
| 2026-08-03 | TWST | Sale | 5,101 @ $85.32 | $435K | −0.6% of holding | 818,938 | Form 4 |
| 2026-06-25 | TWST | Sale | 18,880 @ $95.00 | $1.8M | −2.2% of holding | 824,039 | Form 4 |
| 2026-06-22 | TWST | Sale | 1,688 @ $87.32 | $147K | −0.2% of holding | 842,919 | Form 4 |
| 2026-06-08 | TWST | Sale | 2,265 @ $69.84 | $158K | −0.3% of holding | 844,607 | Form 4 |
| 2026-05-28 | TWST | Sale | 7,623 @ $67.95 | $518K | −0.9% of holding | 853,337 | Form 4 |
| 2026-05-28 | TWST | Sale | 6,465 @ $68.61 | $444K | −0.8% of holding | 846,872 | Form 4 |
| 2026-05-28 | TWST | Sale | 1,482 @ $65.33 | $97K | −0.2% of holding | 861,860 | Form 4 |
| 2026-05-28 | TWST | Sale | 900 @ $66.85 | $60K | −0.1% of holding | 860,960 | Form 4 |
| 2026-05-27 | TWST | Sale | 23,752 @ $65.24 | $1.5M | −2.7% of holding | 848,137 | Form 4 |
| 2026-05-27 | TWST | Sale | 1,265 @ $66.28 | $84K | −0.1% of holding | 846,872 | Form 4 |
| 2026-05-26 | TWST | Sale | 24,282 @ $65.08 | $1.6M | −2.8% of holding | 846,872 | Form 4 |
| 2026-05-21 | TWST | Sale | 6,888 @ $53.26 | $367K | −0.8% of holding | 846,872 | Form 4 |
| 2026-05-04 | TWST | Sale | 5,127 @ $57.15 | $293K | −0.6% of holding | 853,760 | Form 4 |
| 2026-04-22 | TWST | Sale | 7,910 @ $65.28 | $516K | −0.9% of holding | 859,038 | Form 4 |
| 2026-04-22 | TWST | Sale | 151 @ $66.00 | $10K | −0.0% of holding | 858,887 | Form 4 |
| 2026-04-21 | TWST | Sale | 1,610 @ $65.01 | $105K | −0.2% of holding | 858,887 | Form 4 |
| 2026-03-20 | TWST | Sale | 1,742 @ $43.79 | $76K | −0.2% of holding | 858,887 | Form 4 |
| 2026-03-06 | TWST | Sale | 2,423 @ $46.43 | $112K | −0.3% of holding | 860,629 | Form 4 |
| 2026-02-23 | TWST | Sale | 7,205 @ $46.71 | $337K | −0.8% of holding | 863,052 | Form 4 |
| 2026-02-03 | TWST | Sale | 5,001 @ $46.58 | $233K | −0.6% of holding | 869,312 | Form 4 |
| 2025-12-22 | TWST | Sale | 1,605 @ $34.56 | $55K | −0.2% of holding | 874,313 | Form 4 |
| 2025-12-08 | TWST | Sale | 2,255 @ $32.88 | $74K | −0.3% of holding | 875,918 | Form 4 |
| 2025-11-21 | TWST | Sale | 2,663 @ $26.50 | $71K | −0.3% of holding | 878,173 | Form 4 |
| 2025-11-03 | TWST | Sale | 4,887 @ $32.08 | $157K | −0.7% of holding | 733,922 | Form 4 |
| 2025-10-30 | TWST | Sale | 31,379 @ $31.44 | $987K | −4.1% of holding | 738,809 | Form 4 |
| 2025-10-06 | TWST | Sale | 31,348 @ $32.19 | $1.0M | −5.0% of holding | 601,212 | Form 4 |
| 2025-10-02 | TWST | Sale | 476 @ $29.16 | $14K | −0.1% of holding | 632,560 | Form 4 |
| 2025-09-22 | TWST | Sale | 1,704 @ $27.56 | $47K | −0.3% of holding | 633,036 | Form 4 |
| 2025-09-08 | TWST | Sale | 2,265 @ $25.76 | $58K | −0.4% of holding | 634,740 | Form 4 |
| 2025-08-21 | TWST | Sale | 2,716 @ $25.96 | $71K | −0.4% of holding | 637,005 | Form 4 |
| 2025-08-04 | TWST | Sale | 5,585 @ $28.36 | $158K | −0.9% of holding | 639,721 | Form 4 |
| 2025-07-02 | TWST | Sale | 476 @ $36.19 | $17K | −0.1% of holding | 645,306 | Form 4 |
| 2025-06-20 | TWST | Sale | 1,678 @ $35.76 | $60K | −0.3% of holding | 645,782 | Form 4 |
| 2025-06-06 | TWST | Sale | 2,170 @ $31.75 | $69K | −0.3% of holding | 647,460 | Form 4 |
| 2025-05-21 | TWST | Sale | 2,802 @ $29.75 | $83K | −0.4% of holding | 649,630 | Form 4 |
| 2025-05-05 | TWST | Sale | 5,042 @ $37.65 | $190K | −0.8% of holding | 655,432 | Form 4 |
| 2025-04-02 | TWST | Sale | 492 @ $38.73 | $19K | −0.1% of holding | 660,474 | Form 4 |
| 2025-03-20 | TWST | Sale | 1,726 @ $41.68 | $72K | −0.3% of holding | 660,966 | Form 4 |
| 2025-03-06 | TWST | Sale | 2,402 @ $40.91 | $98K | −0.4% of holding | 662,692 | Form 4 |
| 2025-02-21 | TWST | Sale | 2,790 @ $44.18 | $123K | −0.4% of holding | 665,094 | Form 4 |
| 2025-02-03 | TWST | Sale | 5,200 @ $49.35 | $257K | −0.8% of holding | 667,318 | Form 4 |
| 2025-01-03 | TWST | Sale | 546 @ $45.59 | $25K | −0.1% of holding | 672,518 | Form 4 |
| 2024-12-20 | TWST | Sale | 1,654 @ $44.90 | $74K | −0.2% of holding | 673,064 | Form 4 |
| 2024-12-06 | TWST | Sale | 2,216 @ $52.70 | $117K | −0.3% of holding | 674,718 | Form 4 |
24 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-12 | TWST | Option exercise | 19,952 | 838,890 | Form 4 |
| 2026-08-12 | TWST | Option exercise | 19,952 | 133,269 | Form 4 |
| 2026-08-10 | TWST | Option exercise | 113,318 | 932,256 | Form 4 |
| 2026-08-10 | TWST | Option exercise | 113,318 | 153,221 | Form 4 |
| 2026-06-18 | WGS | Option exercise | 3,576 | 24,852 | Form 4 |
| 2026-06-18 | WGS | Option exercise | 3,576 | 0 | Form 4 |
| 2026-06-18 | WGS | Award / grant | 4,248 | 4,248 | Form 4 |
| 2026-05-28 | TWST | Option exercise | 16,470 | 863,342 | Form 4 |
| 2026-05-28 | TWST | Option exercise | 16,470 | 75,439 | Form 4 |
| 2026-05-27 | TWST | Option exercise | 25,017 | 871,889 | Form 4 |
| 2026-05-27 | TWST | Option exercise | 25,017 | 91,909 | Form 4 |
| 2026-05-26 | TWST | Option exercise | 24,282 | 871,154 | Form 4 |
| 2026-05-26 | TWST | Option exercise | 24,282 | 116,926 | Form 4 |
| 2026-04-22 | TWST | Option exercise | 8,061 | 866,948 | Form 4 |
| 2026-04-22 | TWST | Option exercise | 8,061 | 141,208 | Form 4 |
| 2026-04-21 | TWST | Option exercise | 1,610 | 860,497 | Form 4 |
| 2026-04-21 | TWST | Option exercise | 1,610 | 149,269 | Form 4 |
| 2025-11-18 | TWST | Award / grant | 146,914 | 880,836 | Form 4 |
| 2025-10-28 | TWST | Award / grant | 168,976 | 770,188 | Form 4 |
| 2025-06-18 | WGS | Option exercise | 12,924 | 21,276 | Form 4 |
| 2025-06-18 | WGS | Option exercise | 12,924 | 0 | Form 4 |
| 2025-06-18 | WGS | Award / grant | 3,576 | 3,576 | Form 4 |
| 2025-05-08 | TWST | Gift | 3,000 | 652,432 | Form 4 |
| 2024-12-04 | TWST | Award / grant | 95,350 | 676,934 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.