Twist Bioscience (TWST) stock: insider trades, news & valuation
Heavy selling
Close · Oct 9, 2026
$159.78
+5.1% on the day
+401.0% over 12 months
52-week range $25.45 – $205.00
Share price and insider trades
TWST closeInsider buyInsider sale
Bought, 12 months$0
Sold, 12 months$149M
Insiders buying0
Insiders selling10
Twist Bioscience insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 10 sold $149M of TWST stock on the open market.
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TWST insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | $20.1M | 15 |
| Q3 2026 | — | 0 | $99.8M | 62 |
| Q2 2026 | — | 0 | $15.5M | 46 |
| Q1 2026 | — | 0 | $10.3M | 35 |
| Q4 2025 | — | 0 | $5.8M | 39 |
Valuation, profit and volume
P/E (trailing)n/aSector median —
Market value—
Profit margin—Revenue growth —
Volume vs. 50-day2.6×Last 5 sessions
Insiders' paper profit—On all tracked purchases —
Summary
Over the past 12 months, 0 Twist Bioscience Corp insiders reported open-market purchases totaling $0, while 10 insiders reported sales totaling $149M. 83 of 197 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Oct 7SEC | Emily M. LeproustCEO | Sell Plan | 1,840565,468 held (−0%) | $200.44 | $369K | -20.3% | — |
| Oct 7SEC | Emily M. LeproustCEO | Sell Plan | 1,017563,970 held (−0%) | $202.32 | $206K | -21.0% | — |
| Oct 7SEC | Emily M. LeproustCEO | Sell Plan | 481564,987 held (−0%) | $201.26 | $97K | -20.6% | — |
| Oct 7SEC | Emily M. LeproustCEO | Sell Plan | 432563,538 held (−0%) | $203.61 | $88K | -21.5% | — |
| Oct 7SEC | Emily M. LeproustCEO | Sell Plan | 297562,951 held (−0%) | $205.78 | $61K | -22.4% | — |
| Oct 7SEC | Emily M. LeproustCEO | Sell Plan | 290563,248 held (−0%) | $204.80 | $59K | -22.0% | — |
| Oct 7SEC | Emily M. LeproustCEO | Sell Plan | 146562,805 held (−0%) | $206.84 | $30K | -22.8% | — |
| Oct 7SEC | Emily M. LeproustCEO | Sell Plan | 45562,760 held (−0%) | $207.46 | $9K | -23.0% | — |
| Oct 5SEC | Emily M. LeproustCEO | Sell Plan | 45,736567,308 held (−7%) | $188.88 | $8.6M | -15.4% | — |
| Oct 5SEC | Patrick John FinnCOO, President | Sell | 25,714185,088 held (−12%) | $188.88 | $4.9M | -15.4% | — |
| Oct 5SEC | Paula GreenSvp Of Human Resources | Sell | 10,088106,632 held (−9%) | $188.88 | $1.9M | -15.4% | — |
| Oct 5SEC | Dennis ChoSee Remarks | Sell | 9,51463,789 held (−13%) | $188.88 | $1.8M | -15.4% | — |
| Oct 5SEC | Adam LaponisCFO | Sell | 8,057100,576 held (−7%) | $188.88 | $1.5M | -15.4% | — |
| Oct 5SEC | Robert F. WernerChief Accounting Officer | Sell | 1,48242,917 held (−3%) | $188.88 | $280K | -15.4% | — |
| Oct 5SEC | Emily M. LeproustCEO | Sell Plan | 655613,044 held (−0%) | $200.00 | $131K | -20.1% | — |
| Sep 25SEC | Emily M. LeproustCEO | Sell Plan | 2,485616,417 held (−0%) | $175.23 | $435K | -8.8% | — |
| Sep 25SEC | Emily M. LeproustCEO | Sell Plan | 945615,472 held (−0%) | $176.39 | $167K | -9.4% | — |
| Sep 25SEC | Emily M. LeproustCEO | Sell Plan | 515614,320 held (−0%) | $180.39 | $93K | -11.4% | — |
| Sep 25SEC | Emily M. LeproustCEO | Sell Plan | 501613,782 held (−0%) | $183.76 | $92K | -13.0% | — |
| Sep 25SEC | Emily M. LeproustCEO | Sell Plan | 330614,978 held (−0%) | $178.67 | $59K | -10.6% | — |
| Sep 25SEC | Emily M. LeproustCEO | Sell Plan | 164615,308 held (−0%) | $177.17 | $29K | -9.8% | — |
| Sep 25SEC | Emily M. LeproustCEO | Sell Plan | 143614,835 held (−0%) | $179.93 | $26K | -11.2% | — |
| Sep 25SEC | Emily M. LeproustCEO | Sell Plan | 83613,699 held (−0%) | $184.60 | $15K | -13.4% | — |
| Sep 25SEC | Emily M. LeproustCEO | Sell Plan | 21614,299 held (−0%) | $181.45 | $4K | -11.9% | — |
| Sep 25SEC | Emily M. LeproustCEO | Sell Plan | 16614,283 held (−0%) | $182.50 | $3K | -12.4% | — |
| Sep 23SEC | Emily M. LeproustCEO | Sell | 1,687618,902 held (−0%) | $165.49 | $279K | -3.5% | — |
| Sep 23SEC | Dennis ChoSee Remarks | Sell | 34873,303 held (−0%) | $165.49 | $58K | -3.5% | — |
| Sep 23SEC | Paula GreenSvp Of Human Resources | Sell | 294116,720 held (−0%) | $165.49 | $49K | -3.5% | — |
| Sep 21SEC | Emily M. LeproustCEO | Sell Plan | 232,173673,569 held (−26%) | $158.09 | $36.7M | +1.1% | — |
| Sep 21SEC | Emily M. LeproustCEO | Sell Plan | 32,260905,742 held (−3%) | $157.49 | $5.1M | +1.5% | — |
| Sep 21SEC | Emily M. LeproustCEO | Sell Plan | 23,884649,685 held (−4%) | $159.53 | $3.8M | +0.2% | — |
| Sep 21SEC | Emily M. LeproustCEO | Sell Plan | 14,493635,192 held (−2%) | $160.44 | $2.3M | -0.4% | — |
| Sep 21SEC | Emily M. LeproustCEO | Sell Plan | 13,378947,099 held (−1%) | $155.46 | $2.1M | +2.8% | — |
| Sep 21SEC | Emily M. LeproustCEO | Sell Plan | 11,169624,023 held (−2%) | $161.49 | $1.8M | -1.1% | — |
| Sep 21SEC | Emily M. LeproustCEO | Sell Plan | 9,097938,002 held (−1%) | $156.47 | $1.4M | +2.1% | — |
| Sep 21SEC | Emily M. LeproustCEO | Sell Plan | 6,644968,051 held (−1%) | $152.21 | $1.0M | +5.0% | — |
| Sep 21SEC | Emily M. LeproustCEO | Sell Plan | 4,175960,477 held (−0%) | $154.17 | $644K | +3.6% | — |
| Sep 21SEC | Emily M. LeproustCEO | Sell Plan | 3,399964,652 held (−0%) | $153.40 | $521K | +4.2% | — |
| Sep 21SEC | Emily M. LeproustCEO | Sell Plan | 2,565621,458 held (−0%) | $162.31 | $416K | -1.6% | — |
| Sep 21SEC | Emily M. LeproustCEO | Sell Plan | 2,440974,695 held (−0%) | $151.46 | $370K | +5.5% | — |
| Sep 21SEC | Emily M. LeproustCEO | Sell Plan | 869620,589 held (−0%) | $163.39 | $142K | -2.2% | — |
| Sep 10SEC | Emily M. LeproustCEO | Sell | 2,302768,427 held (−0%) | $122.62 | $282K | +30.3% | — |
| Sep 10SEC | Paula GreenSvp Of Human Resources | Sell | 907117,014 held (−1%) | $122.62 | $111K | +30.3% | — |
| Sep 10SEC | Dennis ChoSee Remarks | Sell | 41273,651 held (−1%) | $122.62 | $51K | +30.3% | — |
| Sep 10SEC | Robert F. WernerChief Accounting Officer | Sell | 23844,399 held (−1%) | $122.62 | $29K | +30.3% | — |
| Aug 27SEC | Emily M. LeproustCEO | Sell Plan | 12,648799,651 held (−2%) | $150.56 | $1.9M | +6.1% | — |
| Aug 27SEC | Emily M. LeproustCEO | Sell Plan | 12,236787,415 held (−2%) | $151.36 | $1.9M | +5.6% | — |
| Aug 27SEC | Emily M. LeproustCEO | Sell Plan | 9,181771,822 held (−1%) | $153.93 | $1.4M | +3.8% | — |
| Aug 27SEC | Emily M. LeproustCEO | Sell Plan | 6,412781,003 held (−1%) | $152.75 | $979K | +4.6% | — |
| Aug 27SEC | Emily M. LeproustCEO | Sell Plan | 1,093770,729 held (−0%) | $154.45 | $169K | +3.5% | — |
| Aug 25SEC | Emily M. LeproustCEO | Sell | 6,639812,299 held (−1%) | $139.07 | $923K | +14.9% | — |
| Aug 25SEC | Patrick John FinnCOO, President | Sell | 4,046210,802 held (−2%) | $139.07 | $563K | +14.9% | — |
| Aug 25SEC | Adam LaponisCFO | Sell | 1,965108,633 held (−2%) | $139.07 | $273K | +14.9% | — |
| Aug 25SEC | Dennis ChoSee Remarks | Sell | 1,59874,063 held (−2%) | $139.07 | $222K | +14.9% | — |
| Aug 25SEC | Paula GreenSvp Of Human Resources | Sell | 1,360117,921 held (−1%) | $139.07 | $189K | +14.9% | — |
| Aug 25SEC | Robert F. WernerChief Accounting Officer | Sell | 85444,637 held (−2%) | $140.77 | $120K | +13.5% | — |
| Aug 25SEC | Robert F. WernerChief Accounting Officer | Sell | 66945,491 held (−1%) | $139.07 | $93K | +14.9% | — |
| Aug 21SEC | Dennis ChoSee Remarks | Sell Plan | 14,20575,661 held (−16%) | $129.75 | $1.8M | +23.1% | — |
| Aug 20SEC | Patrick John FinnCOO, President | Sell Plan | 33,354259,679 held (−11%) | $115.90 | $3.9M | +37.9% | — |
| Aug 20SEC | Patrick John FinnCOO, President | Sell Plan | 12,917222,974 held (−5%) | $119.86 | $1.5M | +33.3% | — |
| Aug 20SEC | Patrick John FinnCOO, President | Sell Plan | 10,420249,259 held (−4%) | $116.82 | $1.2M | +36.8% | — |
| Aug 20SEC | Patrick John FinnCOO, President | Sell Plan | 8,868240,391 held (−4%) | $117.70 | $1.0M | +35.8% | — |
| Aug 20SEC | Patrick John FinnCOO, President | Sell Plan | 6,296216,678 held (−3%) | $121.01 | $762K | +32.0% | — |
| Aug 20SEC | Patrick John FinnCOO, President | Sell Plan | 4,500235,891 held (−2%) | $119.04 | $536K | +34.2% | — |
| Aug 20SEC | Patrick John FinnCOO, President | Sell Plan | 2,000214,678 held (−1%) | $122.58 | $245K | +30.3% | — |
| Aug 14SEC | Emily M. LeproustCEO | Sell Plan | 19,952818,938 held (−2%) | $125.08 | $2.5M | +27.7% | — |
| Aug 14SEC | Katryn BlakeDirector | Sell | 2,24017,208 held (−12%) | $122.88 | $275K | +30.0% | — |
| Aug 12SEC | Emily M. LeproustCEO | Sell Plan | 113,318818,938 held (−12%) | $125.16 | $14.2M | +27.7% | — |
| Aug 11SEC | Robert ChessDirector | Sell Plan | 18,41721,084 held (−47%) | $110.89 | $2.0M | +44.1% | — |
| Aug 7SEC | Dennis ChoSee Remarks | Sell Plan | 14,20589,866 held (−14%) | $109.75 | $1.6M | +45.6% | — |
| Aug 5SEC | Emily M. LeproustCEO | Sell | 5,101818,938 held (−1%) | $85.32 | $435K | +87.3% | — |
| Aug 5SEC | Patrick John FinnCOO, President | Sell | 2,888269,678 held (−1%) | $85.32 | $246K | +87.3% | — |
| Aug 5SEC | Paula GreenSvp Of Human Resources | Sell | 1,133119,281 held (−1%) | $85.32 | $97K | +87.3% | — |
| Aug 5SEC | Dennis ChoSee Remarks | Sell | 1,070104,071 held (−1%) | $85.32 | $91K | +87.3% | — |
| Aug 5SEC | Robert F. WernerChief Accounting Officer | Sell | 16746,160 held (−0%) | $85.32 | $14K | +87.3% | — |
| Jul 27SEC | Patrick John FinnCOO, President | Sell | 2,238272,566 held (−1%) | $93.89 | $210K | +70.2% | — |
| Jul 13SEC | Adam LaponisCFO | Sell | 2,399110,276 held (−2%) | $94.33 | $226K | +69.4% | — |
| Jun 26SEC | Emily M. LeproustCEO | Sell Plan | 18,880824,039 held (−2%) | $95.00 | $1.8M | +68.2% | — |
| Jun 26SEC | Dennis ChoSee Remarks | Sell Plan | 14,205105,141 held (−12%) | $89.75 | $1.3M | +78.0% | — |
| Jun 24SEC | Emily M. LeproustCEO | Sell | 1,688842,919 held (−0%) | $87.32 | $147K | +83.0% | — |
| Jun 24SEC | Dennis ChoSee Remarks | Sell | 346119,346 held (−0%) | $87.32 | $30K | +83.0% | — |
| Jun 24SEC | Paula GreenSvp Of Human Resources | Sell | 291120,414 held (−0%) | $87.32 | $25K | +83.0% | — |
| Jun 17SEC | Paula GreenSvp Of Human Resources | Sell | 24,109122,733 held (−16%) | $81.62 | $2.0M | +95.8% | — |
| Jun 17SEC | Paula GreenSvp Of Human Resources | Sell | 2,028120,705 held (−2%) | $82.17 | $167K | +94.5% | — |
| Jun 10SEC | Emily M. LeproustCEO | Sell | 2,265844,607 held (−0%) | $69.84 | $158K | +128.8% | — |
| Jun 10SEC | Robert F. WernerChief Accounting Officer | Sell | 1,12746,827 held (−2%) | $69.07 | $78K | +131.3% | — |
| Jun 10SEC | Paula GreenSvp Of Human Resources | Sell | 884120,705 held (−1%) | $69.84 | $62K | +128.8% | — |
| Jun 10SEC | Dennis ChoSee Remarks | Sell | 402119,692 held (−0%) | $69.84 | $28K | +128.8% | — |
| Jun 10SEC | Robert F. WernerChief Accounting Officer | Sell | 23247,954 held (−0%) | $69.84 | $16K | +128.8% | — |
| Jun 2SEC | Dennis ChoSee Remarks | Sell Plan | 14,205120,094 held (−11%) | $69.75 | $991K | +129.1% | — |
| Jun 2SEC | Adam LaponisCFO | Sell Plan | 4,000112,675 held (−3%) | $70.00 | $280K | +128.3% | — |
| Jun 1SEC | Emily M. LeproustCEO | Sell Plan | 7,623853,337 held (−1%) | $67.95 | $518K | +135.1% | — |
| Jun 1SEC | Emily M. LeproustCEO | Sell Plan | 6,465846,872 held (−1%) | $68.61 | $444K | +132.9% | — |
| Jun 1SEC | Melissa A. StarovasnikDirector | Sell Plan | 2,50022,222 held (−10%) | $68.00 | $170K | +135.0% | — |
| Jun 1SEC | Emily M. LeproustCEO | Sell Plan | 1,482861,860 held (−0%) | $65.33 | $97K | +144.6% | — |
| Jun 1SEC | Emily M. LeproustCEO | Sell Plan | 900860,960 held (−0%) | $66.85 | $60K | +139.0% | — |
| May 28SEC | Emily M. LeproustCEO | Sell Plan | 24,282846,872 held (−3%) | $65.08 | $1.6M | +145.5% | — |
| May 28SEC | Emily M. LeproustCEO | Sell Plan | 23,752848,137 held (−3%) | $65.24 | $1.5M | +144.9% | — |
| May 28SEC | Emily M. LeproustCEO | Sell Plan | 1,265846,872 held (−0%) | $66.28 | $84K | +141.1% | — |
| May 28SEC | Robert F. WernerChief Accounting Officer | Sell | 80048,186 held (−2%) | $62.48 | $50K | +155.7% | — |
| May 28SEC | Melissa A. StarovasnikDirector | Sell Plan | 50024,722 held (−2%) | $61.04 | $31K | +161.8% | — |
| May 26SEC | Emily M. LeproustCEO | Sell | 6,888846,872 held (−1%) | $53.26 | $367K | +200.0% | — |
| May 26SEC | Patrick John FinnCOO, President | Sell | 4,160274,804 held (−1%) | $53.26 | $222K | +200.0% | — |
| May 26SEC | Adam LaponisCFO | Sell | 2,019116,675 held (−2%) | $53.26 | $108K | +200.0% | — |
| May 26SEC | Dennis ChoSee Remarks | Sell | 1,642134,299 held (−1%) | $53.26 | $87K | +200.0% | — |
| May 26SEC | Paula GreenSvp Of Human Resources | Sell | 1,399121,589 held (−1%) | $53.26 | $75K | +200.0% | — |
| May 26SEC | Robert F. WernerChief Accounting Officer | Sell | 68848,986 held (−1%) | $53.26 | $37K | +200.0% | — |
| May 14SEC | Jan JohannessenDirector | Sell | 12,00017,754 held (−40%) | $56.12 | $673K | +184.7% | — |
| May 12SEC | Robert F. WernerChief Accounting Officer | Sell | 4,96149,674 held (−9%) | $56.88 | $282K | +180.9% | — |
| May 6SEC | Emily M. LeproustCEO | Sell | 5,127853,760 held (−1%) | $57.15 | $293K | +179.6% | — |
| May 6SEC | Patrick John FinnCOO, President | Sell | 2,844278,964 held (−1%) | $57.15 | $163K | +179.6% | — |
| May 6SEC | Dennis ChoSee Remarks | Sell | 1,962135,941 held (−1%) | $57.15 | $112K | +179.6% | — |
| May 6SEC | Paula GreenSvp Of Human Resources | Sell | 1,116122,988 held (−1%) | $57.15 | $64K | +179.6% | — |
| May 6SEC | Robert F. WernerChief Accounting Officer | Sell | 16454,635 held (−0%) | $57.15 | $9K | +179.6% | — |
| Apr 29SEC | Melissa A. StarovasnikDirector | Sell Plan | 50025,222 held (−2%) | $61.83 | $31K | +158.4% | — |
| Apr 27SEC | Patrick John FinnCOO, President | Sell | 2,321281,808 held (−1%) | $60.76 | $141K | +163.0% | — |
| Apr 23SEC | Emily M. LeproustCEO | Sell Plan | 7,910859,038 held (−1%) | $65.28 | $516K | +144.8% | — |
| Apr 23SEC | Emily M. LeproustCEO | Sell Plan | 1,610858,887 held (−0%) | $65.01 | $105K | +145.8% | — |
| Apr 23SEC | Emily M. LeproustCEO | Sell Plan | 151858,887 held (−0%) | $66.00 | $10K | +142.1% | — |
| Apr 21SEC | Adam LaponisCFO | Sell Plan | 4,000118,694 held (−3%) | $60.00 | $240K | +166.3% | — |
| Apr 16SEC | Adam LaponisCFO | Sell Plan | 3,000122,694 held (−2%) | $55.00 | $165K | +190.5% | — |
| Apr 13SEC | Adam LaponisCFO | Sell | 2,597125,694 held (−2%) | $49.89 | $130K | +220.3% | — |
| Apr 3SEC | Melissa A. StarovasnikDirector | Sell Plan | 1,00025,722 held (−4%) | $51.00 | $51K | +213.3% | — |
| Mar 24SEC | Emily M. LeproustCEO | Sell | 1,742858,887 held (−0%) | $43.79 | $76K | +264.9% | — |
| Mar 24SEC | Dennis ChoSee Remarks | Sell | 354137,903 held (−0%) | $43.79 | $16K | +264.9% | — |
| Mar 24SEC | Paula GreenSvp Of Human Resources | Sell | 297124,104 held (−0%) | $43.79 | $13K | +264.9% | — |
| Mar 19SEC | Robert ChessDirector | Sell Plan | 10,00021,084 held (−32%) | $47.00 | $470K | +240.0% | — |
| Mar 10SEC | Emily M. LeproustCEO | Sell | 2,423860,629 held (−0%) | $46.43 | $112K | +244.1% | — |
| Mar 10SEC | Paula GreenSvp Of Human Resources | Sell | 935124,401 held (−1%) | $46.43 | $43K | +244.1% | — |
| Mar 10SEC | Dennis ChoSee Remarks | Sell | 425138,257 held (−0%) | $46.43 | $20K | +244.1% | — |
| Mar 10SEC | Robert F. WernerChief Accounting Officer | Sell | 24654,799 held (−0%) | $46.43 | $11K | +244.1% | — |
| Feb 25SEC | Emily M. LeproustCEO | Sell | 7,205863,052 held (−1%) | $46.71 | $337K | +242.1% | — |
| Feb 25SEC | Patrick John FinnCOO, President | Sell | 4,294284,129 held (−1%) | $46.71 | $201K | +242.1% | — |
| Feb 25SEC | Adam LaponisCFO | Sell | 2,085128,291 held (−2%) | $46.71 | $97K | +242.1% | — |
| Feb 25SEC | Robert F. WernerChief Accounting Officer | Sell | 1,69355,045 held (−3%) | $46.71 | $79K | +242.1% | — |
| Feb 25SEC | Paula GreenSvp Of Human Resources | Sell | 1,465125,336 held (−1%) | $46.71 | $68K | +242.1% | — |
| Feb 25SEC | Dennis ChoSee Remarks | Sell | 844138,682 held (−1%) | $46.71 | $39K | +242.1% | — |
| Feb 19SEC | Paula GreenSvp Of Human Resources | Sell | 39,404126,041 held (−24%) | $52.40 | $2.1M | +204.9% | — |
| Feb 19SEC | Patrick John FinnCOO, President | Sell Plan | 26,952291,329 held (−8%) | $52.69 | $1.4M | +203.2% | — |
| Feb 19SEC | Patrick John FinnCOO, President | Sell Plan | 21,858334,897 held (−6%) | $50.32 | $1.1M | +217.5% | — |
| Feb 19SEC | Patrick John FinnCOO, President | Sell Plan | 16,616318,281 held (−5%) | $51.42 | $854K | +210.7% | — |
| Feb 19SEC | Patrick John FinnCOO, President | Sell Plan | 3,541287,788 held (−1%) | $53.11 | $188K | +200.8% | — |
| Feb 18SEC | Robert ChessDirector | Sell | 2,18421,084 held (−9%) | $48.26 | $105K | +231.1% | — |
| Feb 17SEC | Patrick John FinnCOO, President | Sell Plan | 3,500306,788 held (−1%) | $50.23 | $176K | +218.1% | — |
| Feb 17SEC | Patrick John FinnCOO, President | Sell Plan | 1,750306,250 held (−1%) | $50.04 | $88K | +219.3% | — |
| Feb 13SEC | Adam LaponisCFO | Sell Plan | 7,000130,031 held (−5%) | $50.00 | $350K | +219.6% | — |
| Feb 13SEC | Dennis ChoSee Remarks | Sell Plan | 5,000138,581 held (−3%) | $49.93 | $250K | +220.0% | — |
| Feb 9SEC | Jan JohannessenDirector | Sell | 2,20017,754 held (−11%) | $47.91 | $105K | +233.5% | — |
| Feb 5SEC | Robert F. WernerChief Accounting Officer | Sell | 7,00058,738 held (−11%) | $45.65 | $320K | +250.0% | — |
| Feb 5SEC | Emily M. LeproustCEO | Sell | 5,001869,312 held (−1%) | $46.58 | $233K | +243.0% | — |
| Feb 5SEC | Patrick John FinnCOO, President | Sell | 2,705307,788 held (−1%) | $46.58 | $126K | +243.0% | — |
| Feb 5SEC | Paula GreenSvp Of Human Resources | Sell | 1,194165,445 held (−1%) | $46.58 | $56K | +243.0% | — |
| Feb 5SEC | Dennis ChoSee Remarks | Sell | 1,099143,581 held (−1%) | $46.58 | $51K | +243.0% | — |
| Feb 5SEC | Robert F. WernerChief Accounting Officer | Sell | 17565,738 held (−0%) | $46.58 | $8K | +243.0% | — |
| Jan 27SEC | Patrick John FinnCOO, President | Sell | 2,390310,493 held (−1%) | $44.91 | $107K | +255.8% | — |
| Jan 15SEC | Patrick John FinnCOO, President | Sell Plan | 23,279312,883 held (−7%) | $40.00 | $931K | +299.4% | — |
| Jan 15SEC | Adam LaponisCFO | Sell Plan | 3,000137,031 held (−2%) | $40.00 | $120K | +299.4% | — |
| Jan 13SEC | Adam LaponisCFO | Sell | 2,738140,031 held (−2%) | $35.26 | $97K | +353.1% | — |
| Dec 23SEC | Emily M. LeproustCEO | Sell | 1,605874,313 held (−0%) | $34.56 | $55K | +362.3% | — |
| Dec 23SEC | Dennis ChoSee Remarks | Sell | 324144,680 held (−0%) | $34.56 | $11K | +362.3% | — |
| Dec 23SEC | Paula GreenSvp Of Human Resources | Sell | 273166,639 held (−0%) | $34.56 | $9K | +362.3% | — |
| Dec 10SEC | Emily M. LeproustCEO | Sell | 2,255875,918 held (−0%) | $32.88 | $74K | +385.9% | — |
| Dec 10SEC | Paula GreenSvp Of Human Resources | Sell | 877166,912 held (−1%) | $32.88 | $29K | +385.9% | — |
| Dec 10SEC | Dennis ChoSee Remarks | Sell | 398145,004 held (−0%) | $32.88 | $13K | +385.9% | — |
| Dec 10SEC | Robert F. WernerChief Accounting Officer | Sell | 23065,913 held (−0%) | $32.88 | $8K | +385.9% | — |
| Nov 25SEC | Emily M. LeproustCEO | Sell | 2,663878,173 held (−0%) | $26.50 | $71K | +502.9% | — |
| Nov 25SEC | Patrick John FinnCOO, President | Sell | 1,776332,883 held (−1%) | $26.50 | $47K | +502.9% | — |
| Nov 25SEC | Robert F. WernerChief Accounting Officer | Sell | 82266,143 held (−1%) | $28.71 | $24K | +456.5% | — |
| Nov 25SEC | Adam LaponisCFO | Sell | 887142,769 held (−1%) | $26.50 | $24K | +502.9% | — |
| Nov 25SEC | Dennis ChoSee Remarks | Sell | 757145,402 held (−1%) | $26.50 | $20K | +502.9% | — |
| Nov 25SEC | Paula GreenSvp Of Human Resources | Sell | 598167,789 held (−0%) | $26.50 | $16K | +502.9% | — |
| Nov 25SEC | Robert F. WernerChief Accounting Officer | Sell | 22966,965 held (−0%) | $26.50 | $6K | +502.9% | — |
| Nov 20SEC | Jan JohannessenDirector | Sell | 7,04414,859 held (−32%) | $24.77 | $174K | +545.1% | — |
| Nov 5SEC | Emily M. LeproustCEO | Sell | 4,887733,922 held (−1%) | $32.08 | $157K | +398.1% | — |
| Nov 5SEC | Patrick John FinnCOO, President | Sell | 2,755265,919 held (−1%) | $32.08 | $88K | +398.1% | — |
| Nov 5SEC | Paula GreenSvp Of Human Resources | Sell | 1,084142,187 held (−1%) | $32.08 | $35K | +398.1% | — |
| Nov 5SEC | Dennis ChoSee Remarks | Sell | 1,019120,694 held (−1%) | $32.08 | $33K | +398.1% | — |
| Nov 5SEC | Robert F. WernerChief Accounting Officer | Sell | 16050,870 held (−0%) | $32.08 | $5K | +398.1% | — |
| Nov 3SEC | Emily M. LeproustCEO | Sell | 31,379738,809 held (−4%) | $31.44 | $987K | +408.2% | — |
| Nov 3SEC | Patrick John FinnCOO, President | Sell | 17,606268,674 held (−6%) | $31.44 | $554K | +408.2% | — |
| Nov 3SEC | Paula GreenSvp Of Human Resources | Sell | 6,920143,271 held (−5%) | $31.44 | $218K | +408.2% | — |
| Nov 3SEC | Dennis ChoSee Remarks | Sell | 6,515121,713 held (−5%) | $31.44 | $205K | +408.2% | — |
| Nov 3SEC | Adam LaponisCFO | Sell | 5,517111,008 held (−5%) | $31.44 | $173K | +408.2% | — |
| Nov 3SEC | Robert F. WernerChief Accounting Officer | Sell | 1,01651,030 held (−2%) | $31.44 | $32K | +408.2% | — |
| Oct 27SEC | Patrick John FinnCOO, President | Sell | 2,240206,495 held (−1%) | $30.88 | $69K | +417.4% | — |
| Oct 10SEC | Adam LaponisCFO | Sell Plan | 3,00094,042 held (−3%) | $31.15 | $93K | +412.9% | — |
| Oct 10SEC | Adam LaponisCFO | Sell Plan | 2,51791,525 held (−3%) | $32.92 | $83K | +385.4% | — |
| Oct 8SEC | Emily M. LeproustCEO | Sell | 31,348601,212 held (−5%) | $32.19 | $1.0M | +396.4% | — |
| Oct 8SEC | Patrick John FinnCOO, President | Sell | 23,747208,735 held (−10%) | $32.19 | $764K | +396.4% | — |
| Oct 8SEC | Paula GreenSvp Of Human Resources | Sell | 9,724114,678 held (−8%) | $32.19 | $313K | +396.4% | — |
| Oct 8SEC | Adam LaponisCFO | Sell | 5,87597,042 held (−6%) | $32.19 | $189K | +396.4% | — |
| Oct 8SEC | Dennis ChoSee Remarks | Sell | 3,87698,710 held (−4%) | $32.19 | $125K | +396.4% | — |
| Oct 8SEC | Robert F. WernerChief Accounting Officer | Sell | 2,04146,413 held (−4%) | $32.19 | $66K | +396.4% | — |
| Oct 6SEC | Emily M. LeproustCEO | Sell | 476632,560 held (−0%) | $29.16 | $14K | +447.9% | — |
| Oct 6SEC | Patrick John FinnCOO, President | Sell | 206232,482 held (−0%) | $29.16 | $6K | +447.9% | — |
| Oct 6SEC | Paula GreenSvp Of Human Resources | Sell | 140124,402 held (−0%) | $29.16 | $4K | +447.9% | — |
| Oct 6SEC | Dennis ChoSee Remarks | Sell | 124102,586 held (−0%) | $29.16 | $4K | +447.9% | — |
Insiders at Twist Bioscience Corp
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Emily M. LeproustCEO | — | $103M | Oct 7, 2026 | — |
| Patrick John FinnCOO, President | — | $22.3M | Oct 5, 2026 | — |
| Dennis ChoSee Remarks | — | $8.9M | Oct 5, 2026 | — |
| Paula GreenSvp Of Human Resources | — | $7.6M | Oct 5, 2026 | — |
| Adam LaponisCFO | — | $4.2M | Oct 5, 2026 | — |
| Robert ChessDirector | — | $2.6M | Aug 11, 2026 | — |
| Robert F. WernerChief Accounting Officer | — | $1.6M | Oct 5, 2026 | — |
| Jan JohannessenDirector | — | $953K | May 14, 2026 | — |
| Melissa A. StarovasnikDirector | — | $282K | Jun 1, 2026 | — |
| Katryn BlakeDirector | — | $275K | Aug 14, 2026 | — |
TWST stock: common questions
Are Twist Bioscience Corp insiders buying TWST stock?
In the past 12 months, 0 insiders reported open-market purchases of TWST worth $0.
Are Twist Bioscience Corp insiders selling TWST stock?
10 insiders reported sales worth $149M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is TWST's 52-week range?
Over the past year TWST has traded between $25.45 and $205.00. It last closed at $159.78 on Oct 9, 2026.