ARDT Insider Trading

Net Buying · 180d
Open-Market Buys (180d)
$186K
2 insiders
Open-Market Sells (180d)
$0
0 insiders
Net Insider Flow
$186K
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

85 shown
DateInsiderRoleActionSharesPriceValue
Jul 1, 2026Caspers DaveCEO and President, DirectorGrant(A)104K$0
Jun 5, 2026DeMichiei RobertDirectorBuy(P)11K$8.73$98K
Jun 5, 2026Lumsdaine AlfredChief Financial OfficerBuy(P)10K$8.81$88K
Apr 1, 2026Bulgarelli Peter J.DirectorGrant(A)14K$0
Apr 1, 2026Bynoe Peter C BDirectorGrant(A)14K$0
Apr 1, 2026Campion SuzanneDirectorGrant(A)14K$0
Apr 1, 2026Goodyear William MDirectorGrant(A)14K$0
Apr 1, 2026DeMichiei RobertDirectorGrant(A)14K$0
Apr 1, 2026Robinson EdmondoDirectorGrant(A)14K$0
Apr 1, 2026Webb Robert ThomasDirectorGrant(A)14K$0
Apr 1, 2026Sen RahulDirectorGrant(A)14K$0
Apr 1, 2026Bonick MartinPresident and CEO, DirectorTax withholding(F)11K$8.67$95K
Apr 1, 2026Bonick MartinPresident and CEO, DirectorGrant(A)135K$0
Apr 1, 2026Caspers DaveChief Operating OfficerTax withholding(F)3K$8.67$23K
Apr 1, 2026Caspers DaveChief Operating OfficerGrant(A)36K$0
Apr 1, 2026Sotir Mark RDirectorGrant(A)14K$0
Apr 1, 2026Havdala EllenDirectorGrant(A)14K$0
Apr 1, 2026Lumsdaine AlfredChief Financial OfficerTax withholding(F)4K$8.67$38K
Apr 1, 2026Lumsdaine AlfredChief Financial OfficerGrant(A)54K$0
Apr 1, 2026Byers David RaynorSVP & Chief Accounting OfficerTax withholding(F)924$8.67$8K
Apr 1, 2026Byers David RaynorSVP & Chief Accounting OfficerGrant(A)12K$0
Apr 1, 2026Petrovich Stephen C.EVP, GC and SecretaryTax withholding(F)2K$8.67$16K
Apr 1, 2026Petrovich Stephen C.EVP, GC and SecretaryGrant(A)25K$0
Mar 31, 2026Bonick MartinPresident and CEO, DirectorTax withholding(F)8K$8.56$69K
Mar 31, 2026Lumsdaine AlfredChief Financial OfficerTax withholding(F)3K$8.56$21K
Mar 31, 2026Byers David RaynorSVP & Chief Accounting OfficerTax withholding(F)819$8.56$7K
Mar 31, 2026Petrovich Stephen C.EVP, GC and SecretaryTax withholding(F)1K$8.56$12K
Mar 11, 2026Byers David RaynorSVP & Chief Accounting OfficerGrant(A)9K$0
Mar 11, 2026Bonick MartinPresident and CEO, DirectorGrant(A)195K$0
Mar 11, 2026Chernin EthanPresident of Health ServicesGrant(A)32K$0
Mar 11, 2026Lumsdaine AlfredChief Financial OfficerGrant(A)61K$0
Mar 11, 2026Petrovich Stephen C.EVP, GC and SecretaryGrant(A)35K$0
Sep 25, 2025Byers David RaynorSVP & Chief Accounting OfficerTax withholding(F)524$13.19$7K
Sep 25, 2025Petrovich Stephen C.EVP, GC and Asst. SecretaryTax withholding(F)788$13.19$10K
Sep 25, 2025Lumsdaine AlfredChief Financial OfficerTax withholding(F)3K$13.19$45K
Apr 2, 2025DeMichiei RobertDirectorGrant(A)10K$0
Apr 1, 2025Bonick MartinPresident and CEO, DirectorGrant(A)135K$0
Apr 1, 2025Lumsdaine AlfredChief Financial OfficerGrant(A)54K$0
Apr 1, 2025Petrovich Stephen C.EVP, GC and Asst. SecretaryGrant(A)22K$0
Apr 1, 2025Schultz DavidPresident Hospital OperationsGrant(A)27K$0
Apr 1, 2025Chernin EthanPresident of Health ServicesGrant(A)21K$0
Apr 1, 2025Byers David RaynorSVP & Chief Accounting OfficerGrant(A)12K$0
Apr 1, 2025Caspers DaveChief Operating OfficerGrant(A)8K$0
Apr 1, 2025Caspers DaveChief Operating OfficerTax withholding(F)2K$12.97$32K
Apr 1, 2025Caspers DaveChief Operating OfficerGrant(A)33K$0
Mar 31, 2025Bonick MartinPresident and CEO, DirectorTax withholding(F)13K$13.75$178K
Mar 31, 2025Lumsdaine AlfredChief Financial OfficerTax withholding(F)3K$13.75$35K
Mar 31, 2025Petrovich Stephen C.EVP, GC and Asst. SecretaryTax withholding(F)1K$13.75$20K
Mar 31, 2025Schultz DavidPresident Hospital OperationsTax withholding(F)2K$13.75$25K
Mar 31, 2025Chernin EthanPresident of Health ServicesTax withholding(F)1K$13.75$18K
Mar 31, 2025Byers David RaynorSVP & Chief Accounting OfficerTax withholding(F)676$13.75$9K
Mar 21, 2025Webb Robert ThomasDirectorGrant(A)13K$0
Mar 21, 2025Robinson EdmondoDirectorGrant(A)13K$0
Mar 21, 2025Sotir Mark RDirectorGrant(A)13K$0
Mar 21, 2025Sen RahulDirectorGrant(A)13K$0
Mar 21, 2025Havdala EllenDirectorGrant(A)13K$0
Mar 21, 2025Goodyear William MDirectorGrant(A)13K$0
Mar 21, 2025Bynoe Peter C BDirectorGrant(A)13K$0
Mar 21, 2025Campion SuzanneDirectorGrant(A)13K$0
Dec 12, 2024Goodyear William MDirectorGrant(A)11K$0
Dec 12, 2024Campion SuzanneDirectorGrant(A)11K$0
Dec 12, 2024Bynoe Peter C BDirectorGrant(A)11K$0
Dec 12, 2024Havdala EllenDirectorGrant(A)11K$0
Dec 12, 2024Robinson EdmondoDirectorGrant(A)11K$0
Dec 12, 2024Webb Robert ThomasDirectorGrant(A)11K$0
Nov 8, 2024Webb Robert ThomasDirectorBuy(P)10K$16.49$165K
Nov 8, 2024Webb Robert ThomasDirectorBuy(P)10K$17.47$175K
Sep 25, 2024Lumsdaine AlfredChief Financial OfficerGrant(A)42K$0
Sep 25, 2024Petrovich Stephen C.EVP, GC and Asst. SecretaryGrant(A)10K$0
Sep 25, 2024Byers David RaynorSVP & Chief Accounting OfficerGrant(A)6K$0
Sep 25, 2024Schultz DavidSee RemarksGrant(A)17K$0
Jul 18, 2024Bonick MartinPresident and CEO, DirectorGrant(A)99K$0
Jul 18, 2024Byers David RaynorSVP & Chief Accounting OfficerGrant(A)8K$0
Jul 18, 2024Chernin EthanPresident of Health ServicesGrant(A)16K$0
Jul 18, 2024Lumsdaine AlfredChief Financial OfficerGrant(A)31K$0
Jul 18, 2024Schultz DavidSee RemarksGrant(A)22K$0
Jul 18, 2024Bynoe Peter C BDirectorGrant(A)12K$0
Jul 18, 2024Campion SuzanneDirectorGrant(A)12K$0
Jul 18, 2024Goodyear William MDirectorGrant(A)12K$0
Jul 18, 2024Havdala EllenDirectorGrant(A)12K$0
Jul 18, 2024Robinson EdmondoDirectorGrant(A)12K$0
Jul 18, 2024Sen RahulDirectorGrant(A)12K$0
Jul 18, 2024Sotir Mark RDirectorGrant(A)12K$0
Jul 18, 2024Webb Robert ThomasDirectorGrant(A)12K$0
Jul 18, 2024Petrovich Stephen C.Executive VP, GC and SecretaryGrant(A)18K$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 2021-01-042026-07-21. Earlier history is backfilling; this window widens as it deepens.

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