SIEN Insider Trading

SIEN · full profile →Last filing Nov 13, 2023
Mixed · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$0
0 insiders
Net Insider Flow
$0
open market, 180d
Reporting Insiders
0
0 P/S transactions
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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

74 shown
DateInsiderRoleActionSharesPriceValue
Nov 13, 2023Van Hove Caroline F.DirectorTax withholding(F)741$0.71$526
Nov 13, 2023Menezes RonaldPresident and CEO, DirectorTax withholding(F)4K$0.71$3K
Sep 7, 2023Bennett Oliver ChristianGC & Chief Compliance OfficerGrant(A)3K$1.75$5K
Aug 3, 2023Schmidt Andrew CChief Financial OfficerTax withholding(F)561$3.86$2K
Jun 15, 2023Casdin Alexander W.DirectorGrant(A)15K$0
Jun 15, 2023Ebersole NoriDirectorGrant(A)12K$0
Jun 15, 2023Erenburg IrinaDirectorGrant(A)12K$0
Jun 15, 2023Fisher MaryDirectorGrant(A)12K$0
Jun 15, 2023Schaison PhilippeDirectorGrant(A)12K$0
Mar 22, 2023Bennett Oliver ChristianGC & Chief Compliance OfficerTax withholding(F)2K$1.38$3K
Mar 22, 2023Menezes RonaldPresident and CEO, DirectorTax withholding(F)2K$1.38$2K
Mar 22, 2023Schmidt Andrew CChief Financial OfficerTax withholding(F)3K$1.38$4K
Jan 11, 2023Van Hove Caroline F.DirectorTax withholding(F)2K$0.23$370
Nov 10, 2022Menezes RonaldPresident and CEO, DirectorTax withholding(F)37K$0.19$7K
Nov 10, 2022Van Hove Caroline F.DirectorTax withholding(F)6K$0.19$1K
Aug 3, 2022Schmidt Andrew CChief Financial OfficerTax withholding(F)6K$0.93$6K
Jun 9, 2022Ebersole NoriDirectorGrant(A)103K$0
Jun 9, 2022Erenburg IrinaDirectorGrant(A)103K$0
Jun 9, 2022Fisher MaryDirectorGrant(A)103K$0
Jun 9, 2022Oboyle Kevin CDirectorGrant(A)103K$0
Jun 9, 2022Schaison PhilippeDirectorGrant(A)103K$0
Jun 9, 2022Sullivan Keith JDirectorGrant(A)103K$0
May 24, 2022Van Hove Caroline F.DirectorTax withholding(F)5K$1.25$7K
May 3, 2022Bennett Oliver ChristianGC & Chief Compliance OfficerTax withholding(F)5K$1.51$7K
Apr 4, 2022Schmidt Andrew CChief Financial OfficerTax withholding(F)5K$2.17$11K
Apr 4, 2022Bennett Oliver ChristianGC & Chief Compliance OfficerTax withholding(F)2K$2.17$4K
Apr 4, 2022Bennett Oliver ChristianGC & Chief Compliance OfficerGrant(A)10K$0
Apr 4, 2022Bennett Oliver ChristianGC & Chief Compliance OfficerTax withholding(F)4K$2.17$8K
Apr 4, 2022Bennett Oliver ChristianGC & Chief Compliance OfficerGrant(A)5K$0
Apr 4, 2022Bennett Oliver ChristianGC & Chief Compliance OfficerTax withholding(F)2K$2.17$4K
Mar 16, 2022Schmidt Andrew CChief Financial OfficerGrant(A)200K$0
Mar 16, 2022Menezes RonaldPresident and CEO, DirectorGrant(A)150K$0
Mar 16, 2022Menezes RonaldPresident and CEO, DirectorGrant(A)150K$0
Mar 16, 2022Bennett Oliver ChristianGC & Chief Compliance OfficerGrant(A)150K$0
Feb 3, 2022Schmidt Andrew CChief Financial OfficerGrant(A)15K$0
Jan 12, 2022Van Hove Caroline F.DirectorTax withholding(F)2K$3.38$5K
Jan 6, 2022Bennett Oliver ChristianGC & Chief Compliance OfficerTax withholding(F)4K$3.55$14K
Nov 17, 2021Bennett Oliver ChristianGC & Chief Compliance OfficerTax withholding(F)4K$5.18$19K
Nov 10, 2021Menezes RonaldPresident and CEO, DirectorSell(S)78K$5.67$445K
Nov 10, 2021Van Hove Caroline F.DirectorSell(S)6K$5.67$35K
Oct 5, 2021Bennett Oliver ChristianGC & Chief Compliance OfficerSell(S)4K$5.56$20K
Aug 23, 2021Schmidt Andrew CChief Financial OfficerBuy(P)1K$5.90$9K
Aug 20, 2021Bennett Oliver ChristianGC & Chief Compliance OfficerSell(S)4K$6.93$25K
Aug 12, 2021Schmidt Andrew CChief Financial OfficerBuy(P)1K$6.89$10K
Aug 12, 2021Menezes RonaldPresident and CEO, DirectorBuy(P)6K$6.98$40K
Aug 11, 2021Bennett Oliver ChristianGC & Chief Compliance OfficerGrant(A)10K$0
Jul 16, 2021Erenburg IrinaDirectorGrant(A)20K$0
Jul 16, 2021Ebersole NoriDirectorGrant(A)20K$0
Jul 12, 2021Schmidt Andrew CChief Financial OfficerGrant(A)49K$0
Jul 6, 2021Bennett Oliver ChristianGC & Chief Compliance OfficerTax withholding(F)4K$7.89$29K
Jul 6, 2021Miller Valerie JVP, Controller and Interim CFOTax withholding(F)1K$7.89$11K
Jun 11, 2021Schaison PhilippeDirectorGrant(A)7K$0
Jun 11, 2021Bennett Oliver ChristianGC & Chief Compliance OfficerGrant(A)7K$0
Jun 11, 2021Bennett Oliver ChristianGC & Chief Compliance OfficerTax withholding(F)3K$7.54$19K
Jun 10, 2021Fisher MaryDirectorGrant(A)17K$0
Jun 10, 2021Oboyle Kevin CDirectorGrant(A)17K$0
Jun 10, 2021Schaison PhilippeDirectorGrant(A)17K$0
Jun 10, 2021Simon NicholasDirectorGrant(A)17K$0
Jun 10, 2021Sullivan Keith JDirectorGrant(A)17K$0
Jun 9, 2021Van Hove Caroline F.DirectorTax withholding(F)7K$7.58$52K
Jun 4, 2021Bennett Oliver ChristianGC & Chief Compliance OfficerTax withholding(F)2K$7.06$13K
May 21, 2021Van Hove Caroline F.DirectorGrant(A)18K$0
May 14, 2021Bennett Oliver ChristianGC & Chief Compliance OfficerGrant(A)10K$0
May 14, 2021Bennett Oliver ChristianGC & Chief Compliance OfficerTax withholding(F)4K$6.82$25K
May 14, 2021Miller Valerie JVP, Controller and Interim CFOGrant(A)4K$0
May 14, 2021Miller Valerie JVP, Controller and Interim CFOTax withholding(F)1K$6.82$9K
May 6, 2021Bennett Oliver ChristianGC & Chief Compliance OfficerTax withholding(F)5K$6.98$32K
May 6, 2021Miller Valerie JVP, Controller and Interim CFOTax withholding(F)1K$6.98$9K
May 6, 2021Miller Valerie JVP, Controller and Interim CFOTax withholding(F)2K$6.98$12K
Apr 6, 2021Miller Valerie JVP, Controller and Interim CFOSell(S)2K$7.13$11K
Apr 6, 2021Bennett Oliver ChristianGC & Chief Compliance OfficerSell(S)4K$7.17$26K
Mar 16, 2021Bennett Oliver ChristianGC & Chief Compliance OfficerGrant(A)10K$0
Mar 16, 2021Bennett Oliver ChristianGC & Chief Compliance OfficerSell(S)3K$7.49$25K
Mar 9, 2021Bennett Oliver ChristianGC & Chief Compliance OfficerGrant(A)20K$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 2021-03-292026-07-14. Earlier history is backfilling; this window widens as it deepens.

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