ARX Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$639K
1 insiders
Net Insider Flow
-$639K
open market, 180d
Reporting Insiders
1
1 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

70 shown
DateInsiderRoleActionSharesPriceValue
Mar 23, 2026Green Jay MichaelChief Financial OfficerSell(S)50K$12.77$639K
Mar 18, 2026Sternberg Matthew DavidCOO, Risk ExchangeGrant(A)181K$0
Mar 18, 2026Lee-Smith ChristopherCo-Founder, Head of Distrib., DirectorGrant(A)129K$0
Mar 18, 2026ONeill Francis JamesCo-Founder, Chief U/W OfficerGrant(A)129K$0
Mar 18, 2026Radke Jeffrey LCo-Founder, CEO, Director, 10% OwnerGrant(A)300K$0
Mar 17, 2026Green Jay MichaelChief Financial OfficerTax withholding(F)29K$11.63$333K
Feb 2, 2026Green Jay MichaelChief Financial OfficerTax withholding(F)201K$12.76$2.6M
Dec 8, 2025Meriwether Karen SueDirectorBuy(P)542$14.67$8K
Nov 19, 2025Gaynor SamuelDirectorBuy(P)8K$13.44$101K
Nov 19, 2025Lee-Smith ChristopherCo-Founder, Head of Distrib., DirectorBuy(P)15K$13.42$197K
Nov 18, 2025ONeill Francis JamesCo-Founder, Chief U/W OfficerBuy(P)38K$13.34$507K
Nov 17, 2025Sternberg Matthew DavidCOO, Risk ExchangeBuy(P)6K$13.10$75K
Nov 14, 2025Radke Jeffrey LCo-Founder, CEO, Director, 10% OwnerBuy(P)74K$13.48$999K
Jul 25, 2025Green Jay MichaelChief Financial OfficerGrant(A)1.5M
Jul 25, 2025Green Jay MichaelChief Financial OfficerOther(J)1.1M
Jul 25, 2025Harrington Wendy LiisaDirectorConversion(C)6K
Jul 25, 2025Harrington Wendy LiisaDirectorConversion(C)8K
Jul 25, 2025Harrington Wendy LiisaDirectorGrant(A)9K$0
Jul 25, 2025Harrington Wendy LiisaDirectorConversion(C)6K$0
Jul 25, 2025Harrington Wendy LiisaDirectorConversion(C)10.9M$0
Jul 25, 2025Hasley NancyGeneral Counsel, DirectorConversion(C)17K
Jul 25, 2025Hasley NancyGeneral Counsel, DirectorBuy(P)500$21.00$11K
Jul 25, 2025Hasley NancyGeneral Counsel, DirectorConversion(C)1.4M
Jul 25, 2025Hasley NancyGeneral Counsel, DirectorConversion(C)513K
Jul 25, 2025Hasley NancyGeneral Counsel, DirectorDisposed to issuer(D)22K$31.55$700K
Jul 25, 2025Hasley NancyGeneral Counsel, DirectorConversion(C)17K$0
Jul 25, 2025Hasley NancyGeneral Counsel, DirectorConversion(C)50K$0
Jul 25, 2025Hasley NancyGeneral Counsel, DirectorConversion(C)34.2M$0
Jul 25, 2025Lee-Smith ChristopherCo-Founder, Head of Distrib., DirectorConversion(C)17.5M
Jul 25, 2025Lee-Smith ChristopherCo-Founder, Head of Distrib., DirectorConversion(C)107.1M$0
Jul 25, 2025Lee-Smith ChristopherCo-Founder, Head of Distrib., DirectorDisposed to issuer(D)62K$31.55$2.0M
Jul 25, 2025Little Paul ChristopherDirectorGrant(A)9K$0
Jul 25, 2025Meriwether Karen SueDirectorGrant(A)9K$0
Jul 25, 2025ONeill Francis JamesCo-Founder, Chief U/W OfficerConversion(C)7.1M
Jul 25, 2025ONeill Francis JamesCo-Founder, Chief U/W OfficerConversion(C)8K
Jul 25, 2025ONeill Francis JamesCo-Founder, Chief U/W OfficerDisposed to issuer(D)22K$31.55$700K
Jul 25, 2025ONeill Francis JamesCo-Founder, Chief U/W OfficerConversion(C)8K$0
Jul 25, 2025ONeill Francis JamesCo-Founder, Chief U/W OfficerConversion(C)163.6M$0
Jul 25, 2025Radke Jeffrey LCo-Founder, CEO, Director, 10% OwnerConversion(C)33K
Jul 25, 2025Radke Jeffrey LCo-Founder, CEO, Director, 10% OwnerConversion(C)250K
Jul 25, 2025Radke Jeffrey LCo-Founder, CEO, Director, 10% OwnerConversion(C)27.9M
Jul 25, 2025Radke Jeffrey LCo-Founder, CEO, Director, 10% OwnerConversion(C)24K$0
Jul 25, 2025Radke Jeffrey LCo-Founder, CEO, Director, 10% OwnerConversion(C)3K$0
Jul 25, 2025Radke Jeffrey LCo-Founder, CEO, Director, 10% OwnerConversion(C)204.2M$0
Jul 25, 2025ACP Accelerant Holdings, L.P.10% OwnerConversion(C)326K
Jul 25, 2025ACP Accelerant Holdings, L.P.10% OwnerSell(S)326K$21.00$6.9M
Jul 25, 2025ACP Accelerant Holdings, L.P.10% OwnerConversion(C)488K
Jul 25, 2025ACP Accelerant Holdings, L.P.10% OwnerSell(S)2.7M$21.00$56.1M
Jul 25, 2025ACP Accelerant Holdings, L.P.10% OwnerConversion(C)2.7M
Jul 25, 2025ACP Accelerant Holdings, L.P.10% OwnerSell(S)8.1M$21.00$170.3M
Jul 25, 2025ACP Accelerant Holdings, L.P.10% OwnerConversion(C)8.1M
Jul 25, 2025ACP Accelerant Holdings, L.P.10% OwnerSell(S)488K$21.00$10.3M
Jul 25, 2025ACP Accelerant Holdings, L.P.10% OwnerConversion(C)2.7M
Jul 25, 2025ACP Accelerant Holdings, L.P.10% OwnerConversion(C)2.7M
Jul 25, 2025ACP Accelerant Holdings, L.P.10% OwnerConversion(C)5.4M$0
Jul 25, 2025ACP Accelerant Holdings, L.P.10% OwnerConversion(C)5.4M
Jul 25, 2025ACP Accelerant Holdings, L.P.10% OwnerConversion(C)488K
Jul 25, 2025ACP Accelerant Holdings, L.P.10% OwnerConversion(C)3.6M$0
Jul 25, 2025ACP Accelerant Holdings, L.P.10% OwnerOther(J)910K$31.55$28.7M
Jul 25, 2025ACP Accelerant Holdings, L.P.10% OwnerConversion(C)326K
Jul 25, 2025ACP Accelerant Holdings, L.P.10% OwnerConversion(C)100$0
Jul 25, 2025ACP Accelerant Holdings, L.P.10% OwnerConversion(C)8.1M
Jul 25, 2025ACP Accelerant Holdings, L.P.10% OwnerConversion(C)90.2M
Jul 25, 2025ACP Accelerant Holdings, L.P.10% OwnerConversion(C)8.5B$0
Jul 25, 2025ACP Accelerant Holdings, L.P.10% OwnerConversion(C)3.6M
Jul 25, 2025Sternberg Matthew DavidCOO, Risk ExchangeGrant(A)152K$0
Jul 23, 2025Harrington Wendy LiisaDirectorGrant(A)210K$0
Jul 23, 2025Lee-Smith ChristopherCo-Founder, Head of Distrib., DirectorGrant(A)2.7M$0
Jul 23, 2025ONeill Francis JamesCo-Founder, Chief U/W OfficerGrant(A)883K$0
Jul 23, 2025Radke Jeffrey LCo-Founder, CEO, DirectorGrant(A)8.3M$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.

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