TWST Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$24.7M
9 insiders
Net Insider Flow
-$24.7M
open market, 180d
Reporting Insiders
9
78 P/S transactions
Build

Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Recent Form 4 Transactions

100 shown
DateInsiderRoleActionSharesPriceValue
Jun 25, 2026Leproust Emily M.Chief Executive Officer, DirectorSell(S)19K$95.00$1.8M
Jun 24, 2026Cho DennisSee RemarksSell(S)14K$89.75$1.3M
Jun 22, 2026Cho DennisSee RemarksSell(S)346$87.32$30K
Jun 22, 2026Green PaulaSVP of Human ResourcesSell(S)291$87.32$25K
Jun 22, 2026Leproust Emily M.Chief Executive Officer, DirectorSell(S)2K$87.32$147K
Jun 15, 2026Green PaulaSVP of Human ResourcesOption exercise(M)26K$23.33$610K
Jun 15, 2026Green PaulaSVP of Human ResourcesSell(S)24K$81.62$2.0M
Jun 15, 2026Green PaulaSVP of Human ResourcesSell(S)2K$82.17$167K
Jun 15, 2026Green PaulaSVP of Human ResourcesOption exercise(M)26K$0
Jun 8, 2026Cho DennisSee RemarksSell(S)402$69.84$28K
Jun 8, 2026Leproust Emily M.Chief Executive Officer, DirectorSell(S)2K$69.84$158K
Jun 8, 2026Green PaulaSVP of Human ResourcesSell(S)884$69.84$62K
Jun 8, 2026Werner Robert F.Chief Accounting OfficerSell(S)232$69.84$16K
Jun 8, 2026Werner Robert F.Chief Accounting OfficerSell(S)1K$69.07$78K
Jun 8, 2026Werner Robert F.Chief Accounting OfficerGift(G)500$0
May 29, 2026Cho DennisSee RemarksSell(S)14K$69.75$991K
May 29, 2026Laponis AdamChief Financial OfficerSell(S)4K$70.00$280K
May 28, 2026Leproust Emily M.Chief Executive Officer, DirectorOption exercise(M)16K$8.82$145K
May 28, 2026Leproust Emily M.Chief Executive Officer, DirectorSell(S)1K$65.33$97K
May 28, 2026Leproust Emily M.Chief Executive Officer, DirectorSell(S)900$66.85$60K
May 28, 2026Leproust Emily M.Chief Executive Officer, DirectorSell(S)8K$67.95$518K
May 28, 2026Leproust Emily M.Chief Executive Officer, DirectorSell(S)6K$68.61$444K
May 28, 2026Leproust Emily M.Chief Executive Officer, DirectorOption exercise(M)16K$0
May 28, 2026Starovasnik Melissa A.DirectorSell(S)3K$68.00$170K
May 27, 2026Leproust Emily M.Chief Executive Officer, DirectorOption exercise(M)25K$8.82$221K
May 27, 2026Leproust Emily M.Chief Executive Officer, DirectorSell(S)24K$65.24$1.5M
May 27, 2026Leproust Emily M.Chief Executive Officer, DirectorSell(S)1K$66.28$84K
May 27, 2026Leproust Emily M.Chief Executive Officer, DirectorOption exercise(M)25K$0
May 26, 2026Leproust Emily M.Chief Executive Officer, DirectorOption exercise(M)24K$8.82$214K
May 26, 2026Leproust Emily M.Chief Executive Officer, DirectorSell(S)24K$65.08$1.6M
May 26, 2026Leproust Emily M.Chief Executive Officer, DirectorOption exercise(M)24K$0
May 26, 2026Werner Robert F.Chief Accounting OfficerSell(S)800$62.48$50K
May 26, 2026Starovasnik Melissa A.DirectorSell(S)500$61.04$31K
May 21, 2026Cho DennisSee RemarksSell(S)2K$53.26$87K
May 21, 2026Leproust Emily M.Chief Executive Officer, DirectorSell(S)7K$53.26$367K
May 21, 2026Laponis AdamChief Financial OfficerSell(S)2K$53.26$108K
May 21, 2026Finn Patrick JohnPresident and COOSell(S)4K$53.26$222K
May 21, 2026Green PaulaSVP of Human ResourcesSell(S)1K$53.26$75K
May 21, 2026Werner Robert F.Chief Accounting OfficerSell(S)688$53.26$37K
May 12, 2026Johannessen JanDirectorOption exercise(M)12K$14.00$168K
May 12, 2026Johannessen JanDirectorSell(S)12K$56.12$673K
May 12, 2026Johannessen JanDirectorOption exercise(M)12K$0
May 8, 2026Werner Robert F.Chief Accounting OfficerSell(S)5K$56.88$282K
May 4, 2026Cho DennisSee RemarksSell(S)2K$57.15$112K
May 4, 2026Finn Patrick JohnPresident and COOSell(S)3K$57.15$163K
May 4, 2026Green PaulaSVP of Human ResourcesSell(S)1K$57.15$64K
May 4, 2026Leproust Emily M.Chief Executive Officer, DirectorSell(S)5K$57.15$293K
May 4, 2026Werner Robert F.Chief Accounting OfficerSell(S)164$57.15$9K
Apr 27, 2026Starovasnik Melissa A.DirectorSell(S)500$61.83$31K
Apr 23, 2026Finn Patrick JohnPresident and COOSell(S)2K$60.76$141K
Apr 22, 2026Leproust Emily M.Chief Executive Officer, DirectorOption exercise(M)8K$8.82$71K
Apr 22, 2026Leproust Emily M.Chief Executive Officer, DirectorSell(S)8K$65.28$516K
Apr 22, 2026Leproust Emily M.Chief Executive Officer, DirectorSell(S)151$66.00$10K
Apr 22, 2026Leproust Emily M.Chief Executive Officer, DirectorOption exercise(M)8K$0
Apr 21, 2026Leproust Emily M.Chief Executive Officer, DirectorOption exercise(M)2K$8.82$14K
Apr 21, 2026Leproust Emily M.Chief Executive Officer, DirectorSell(S)2K$65.01$105K
Apr 21, 2026Leproust Emily M.Chief Executive Officer, DirectorOption exercise(M)2K$0
Apr 17, 2026Laponis AdamChief Financial OfficerSell(S)4K$60.00$240K
Apr 14, 2026Laponis AdamChief Financial OfficerSell(S)3K$55.00$165K
Apr 9, 2026Laponis AdamChief Financial OfficerSell(S)3K$49.89$130K
Apr 1, 2026Starovasnik Melissa A.DirectorSell(S)1K$51.00$51K
Mar 20, 2026Leproust Emily M.Chief Executive Officer, DirectorSell(S)2K$43.79$76K
Mar 20, 2026Green PaulaSVP of Human ResourcesSell(S)297$43.79$13K
Mar 20, 2026Cho DennisSee RemarksSell(S)354$43.79$16K
Mar 17, 2026Chess RobertDirectorOption exercise(M)10K$11.89$119K
Mar 17, 2026Chess RobertDirectorSell(S)10K$47.00$470K
Mar 17, 2026Chess RobertDirectorOption exercise(M)10K$0
Mar 6, 2026Leproust Emily M.Chief Executive Officer, DirectorSell(S)2K$46.43$112K
Mar 6, 2026Green PaulaSVP of Human ResourcesSell(S)935$46.43$43K
Mar 6, 2026Cho DennisSee RemarksSell(S)425$46.43$20K
Mar 6, 2026Werner Robert F.Chief Accounting OfficerSell(S)246$46.43$11K
Feb 23, 2026Leproust Emily M.Chief Executive Officer, DirectorSell(S)7K$46.71$337K
Feb 23, 2026Laponis AdamChief Financial OfficerSell(S)2K$46.71$97K
Feb 23, 2026Werner Robert F.Chief Accounting OfficerSell(S)2K$46.71$79K
Feb 23, 2026Finn Patrick JohnPresident and COOSell(S)4K$46.71$201K
Feb 23, 2026Cho DennisSee RemarksSell(S)844$46.71$39K
Feb 23, 2026Green PaulaSVP of Human ResourcesSell(S)1K$46.71$68K
Feb 17, 2026Finn Patrick JohnPresident and COOSell(S)4K$53.11$188K
Feb 17, 2026Finn Patrick JohnPresident and COOSell(S)27K$52.69$1.4M
Feb 17, 2026Finn Patrick JohnPresident and COOSell(S)22K$50.32$1.1M
Feb 17, 2026Finn Patrick JohnPresident and COOOption exercise(M)32K$26.66$861K
Feb 17, 2026Finn Patrick JohnPresident and COOOption exercise(M)18K$23.33$425K
Feb 17, 2026Finn Patrick JohnPresident and COOSell(S)17K$51.42$854K
Feb 17, 2026Finn Patrick JohnPresident and COOOption exercise(M)32K$0
Feb 17, 2026Finn Patrick JohnPresident and COOOption exercise(M)18K$0
Feb 17, 2026Green PaulaSVP of Human ResourcesSell(S)39K$52.40$2.1M
Feb 13, 2026Finn Patrick JohnPresident and COOSell(S)2K$50.04$88K
Feb 13, 2026Finn Patrick JohnPresident and COOOption exercise(M)500$23.33$12K
Feb 13, 2026Finn Patrick JohnPresident and COOOption exercise(M)712$26.66$19K
Feb 13, 2026Finn Patrick JohnPresident and COOOption exercise(M)712$0
Feb 13, 2026Finn Patrick JohnPresident and COOOption exercise(M)500$0
Feb 13, 2026Chess RobertDirectorSell(S)2K$48.26$105K
Feb 12, 2026Laponis AdamChief Financial OfficerSell(S)7K$50.00$350K
Feb 12, 2026Finn Patrick JohnPresident and COOSell(S)4K$50.23$176K
Feb 12, 2026Finn Patrick JohnPresident and COOOption exercise(M)2K$26.66$40K
Feb 12, 2026Finn Patrick JohnPresident and COOOption exercise(M)1K$23.33$23K
Feb 12, 2026Finn Patrick JohnPresident and COOOption exercise(M)1K$0
Feb 12, 2026Finn Patrick JohnPresident and COOOption exercise(M)2K$0
Feb 11, 2026Cho DennisSee RemarksSell(S)5K$49.93$250K
Feb 9, 2026Werner Robert F.Chief Accounting OfficerGift(G)2K$0

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Coverage: Form 4 filings indexed 2021-03-292026-07-11. Earlier history is backfilling; this window widens as it deepens.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).