TKNO Insider Trading

Net Buying · 180d
Open-Market Buys (180d)
$144K
2 insiders
Open-Market Sells (180d)
$0
0 insiders
Net Insider Flow
$144K
open market, 180d
Reporting Insiders
2
2 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 1, 2026Vos AlexanderDirectorGrant(A)55K$0
Jun 1, 2026Robertson BrettDirectorGrant(A)55K$0
Jun 1, 2026Demski Martha JDirectorGrant(A)55K$0
Mar 6, 2026Lowell MatthewChief Financial OfficerBuy(P)40K$2.19$88K
Mar 6, 2026Gunstream StephenPresident and CEO, DirectorBuy(P)26K$2.15$56K
Feb 15, 2026Terrill DamonGeneral Counsel and CCOGrant(A)148K$0
Feb 15, 2026Lowell MatthewChief Financial OfficerGrant(A)171K$0
Feb 15, 2026Gunstream StephenPresident and CEO, DirectorGrant(A)429K$0
Jun 17, 2025Demski Martha JDirectorGrant(A)54K$0
Jun 17, 2025Robertson BrettDirectorGrant(A)54K$0
Jun 17, 2025Vos AlexanderDirectorGrant(A)54K$0
Jun 17, 2025Demski Martha JDirectorGrant(A)54K$0
Feb 27, 2025Robertson BrettDirectorOther(J)5K$0
Feb 14, 2025Gunstream StephenPresident and CEO, DirectorGrant(A)394K$0
Feb 14, 2025Lowell MatthewChief Financial OfficerGrant(A)170K$0
Feb 14, 2025Terrill DamonGeneral Counsel and CCOGrant(A)138K$0
Jul 12, 2024Telegraph Hill Partners IV, L.P.10% OwnerBuy(P)11.1M$1.24$13.8M
Jul 12, 2024Telegraph Hill Partners IV, L.P.10% OwnerBuy(P)970K$1.24$1.2M
Jul 12, 2024Gunstream StephenPresident and CEO, DirectorBuy(P)81K$1.24$100K
Jul 12, 2024Lowell MatthewChief Financial OfficerBuy(P)40K$1.24$50K
Jun 26, 2024Demski Martha JDirectorGrant(A)20K$0
Jun 26, 2024Robertson BrettDirectorGrant(A)20K$0
Jun 26, 2024Vos AlexanderDirectorGrant(A)20K$0
Nov 30, 2023McNamara RobertDirectorDisposed to issuer(D)32K$0
Nov 30, 2023Gelhaus KenChief Commercial OfficerBuy(P)4K$1.73$6K
Nov 14, 2023Hood LisaChief People OfficerOther(J)15K$0
Sep 19, 2023Telegraph Hill Partners Management Company, LLC10% OwnerBuy(P)6.9M$1.85$12.8M
Sep 19, 2023Telegraph Hill Partners Management Company, LLC10% OwnerBuy(P)1.2M$1.85$2.2M
Sep 19, 2023Gunstream StephenPresident and CEO, DirectorBuy(P)54K$1.85$100K
Sep 19, 2023Lowell MatthewChief Financial OfficerBuy(P)54K$1.85$100K
Sep 19, 2023Mackowski J MatthewDirectorBuy(P)811K$1.85$1.5M
Sep 19, 2023Terrill DamonGeneral Counsel and CCOBuy(P)27K$1.85$50K
Aug 31, 2023McNamara RobertDirectorDisposed to issuer(D)19K$0
Aug 31, 2023McNamara RobertDirectorDisposed to issuer(D)12K$0
Aug 31, 2023Demski Martha JDirectorGrant(A)57K$0
Jun 13, 2023Hood LisaChief People OfficerSell(S)11K$3.80$43K
Jun 2, 2023Robertson BrettDirectorGrant(A)19K$0
Jun 2, 2023Vos AlexanderDirectorGrant(A)19K$0
Jun 2, 2023McNamara RobertDirectorGrant(A)19K$0
May 26, 2023Davis IreneDirector, 10% OwnerBuy(P)1K$3.26$3K
May 26, 2023Davis IreneDirector, 10% OwnerBuy(P)1K$3.17$3K
May 26, 2023Davis TedDirector, 10% OwnerBuy(P)1K$3.26$3K
May 26, 2023Davis TedDirector, 10% OwnerBuy(P)1K$3.17$3K
May 17, 2023Hood LisaChief People OfficerSell(S)3K$2.04$6K
May 12, 2023Hood LisaChief People OfficerBuy(P)3K$1.67$5K
May 12, 2023Gelhaus KenChief Commercial OfficerBuy(P)4K$1.67$7K
May 12, 2023Gunstream StephenPresident and CEO, DirectorBuy(P)5K$1.67$8K
Feb 27, 2023Gelhaus KenChief Commercial OfficerGrant(A)14K$0
Feb 27, 2023Gelhaus KenChief Commercial OfficerGrant(A)28K$0
Feb 27, 2023Gunstream StephenPresident and CEO, DirectorGrant(A)43K$0
Feb 27, 2023Gunstream StephenPresident and CEO, DirectorGrant(A)86K$0
Feb 27, 2023Hood LisaChief People OfficerGrant(A)14K$0
Feb 27, 2023Hood LisaChief People OfficerGrant(A)28K$0
Feb 27, 2023Lowell MatthewChief Financial OfficerGrant(A)14K$0
Feb 27, 2023Lowell MatthewChief Financial OfficerGrant(A)28K$0
Feb 27, 2023Terrill DamonGeneral Counsel and CCOGrant(A)14K$0
Feb 27, 2023Terrill DamonGeneral Counsel and CCOGrant(A)28K$0
Nov 15, 2022Gelhaus KenChief Commercial OfficerGrant(A)73K$0
Nov 15, 2022Gunstream StephenPresident and CEO, DirectorGrant(A)88K$0
Nov 15, 2022Hood LisaChief People OfficerSell(S)2K$5.28$11K
Nov 15, 2022Hood LisaChief People OfficerGrant(A)40K$0
Nov 15, 2022Lowell MatthewChief Financial OfficerGrant(A)33K$0
Nov 15, 2022Terrill DamonGeneral Counsel and CCOGrant(A)30K$0
Nov 14, 2022Gelhaus KenChief Commercial OfficerBuy(P)1K$4.23$6K
Nov 14, 2022Gunstream StephenPresident and CEO, DirectorBuy(P)2K$4.23$7K
Nov 14, 2022Hood LisaChief People OfficerBuy(P)2K$4.23$9K
Sep 30, 2022Gunstream StephenPresident and CEO, DirectorOption exercise(M)40K$0.84$34K
Sep 30, 2022Gunstream StephenPresident and CEO, DirectorOption exercise(M)40K$0
Sep 1, 2022Lowell MatthewChief Financial OfficerBuy(P)10K$4.61$46K
Aug 24, 2022Mackowski J MatthewDirectorBuy(P)5K$4.98$25K
Aug 24, 2022Mackowski J MatthewDirectorBuy(P)5K$4.97$25K
Aug 16, 2022Grossman Paul DavidDirectorBuy(P)4K$5.62$25K
Aug 15, 2022Grossman Paul DavidDirectorBuy(P)5K$5.15$25K
Aug 15, 2022Gunstream StephenPresident and CEO, DirectorBuy(P)18K$5.13$92K
Jun 2, 2022McNamara RobertDirectorGrant(A)9K$0
Jun 2, 2022Robertson BrettDirectorGrant(A)9K$0
Jun 2, 2022Vos AlexanderDirectorGrant(A)9K$0
May 20, 2022Lowell MatthewChief Financial OfficerBuy(P)10K$9.45$95K
May 13, 2022Gunstream StephenPresident and CEO, DirectorBuy(P)1K$10.93$14K
May 13, 2022Hood LisaChief People OfficerBuy(P)772$10.93$8K
Feb 15, 2022Gelhaus KenChief Commercial OfficerGrant(A)60K$0
Feb 15, 2022Gunstream StephenPresident and CEO, DirectorGrant(A)175K$0
Feb 15, 2022Hood LisaChief People OfficerGrant(A)60K$0
Feb 15, 2022Lowell MatthewChief Financial OfficerGrant(A)60K$0
Feb 15, 2022Terrill DamonGeneral Counsel and CCOGrant(A)60K$0
Feb 4, 2022Hood LisaChief People OfficerOption exercise(M)30K$1.85$56K
Feb 4, 2022Hood LisaChief People OfficerOption exercise(M)30K$0
Nov 17, 2021Gelhaus KenChief Commercial OfficerGrant(A)85K$0
Sep 15, 2021Davis IreneDirector, 10% OwnerBuy(P)1K$27.08$39K
Sep 8, 2021Davis TedDirector, 10% OwnerBuy(P)1K$22.61$29K
Aug 25, 2021Davis TedDirector, 10% OwnerBuy(P)9K$19.95$181K
Jun 28, 2021Telegraph Hill Partners IV Investment Management LLC10% OwnerConversion(C)1.4M$0
Jun 28, 2021Telegraph Hill Partners IV Investment Management LLC10% OwnerConversion(C)8.0M$0
Jun 28, 2021Telegraph Hill Partners IV Investment Management LLC10% OwnerConversion(C)2.6M
Jun 28, 2021Telegraph Hill Partners IV Investment Management LLC10% OwnerConversion(C)14.9M
Jun 24, 2021Robertson BrettDirectorGrant(A)44K$0
Jun 24, 2021Lowell MatthewChief Financial OfficerGrant(A)6K$0
Jun 24, 2021Vos AlexanderDirectorGrant(A)44K$0
Jun 24, 2021McNamara RobertDirectorGrant(A)44K$0
Jun 24, 2021Hood LisaChief People OfficerGrant(A)21K$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).