LAC Insider Trading

Net Buying · 180d
Open-Market Buys (180d)
$4K
1 insiders
Open-Market Sells (180d)
$0
0 insiders
Net Insider Flow
$4K
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

100 shown
DateInsiderRoleActionSharesPriceValue
Jul 6, 2026Gao YuanDirectorGrant(A)10K$0
Jul 6, 2026Montgomery PhilipDirectorGrant(A)8K$0
Jul 6, 2026Walker Clayton D.DirectorGrant(A)7K$0
Jul 6, 2026Brown Michael JohnDirectorGrant(A)12K$0
Jun 26, 2026Montgomery PhilipDirectorOption exercise(M)19K$0
Jun 26, 2026Montgomery PhilipDirectorOption exercise(M)19K
Jun 15, 2026Grandy EdwardSr VP, GC & SecretaryTax withholding(F)15$4.45$67
Apr 13, 2026Magie JinheeDirectorGrant(A)8K$0
Apr 13, 2026Montgomery PhilipDirectorGrant(A)8K$0
Apr 13, 2026Gao YuanDirectorGrant(A)10K$0
Apr 13, 2026Brown Michael JohnDirectorGrant(A)12K$0
Apr 10, 2026Zawadzki Alexi IllyaVP, Resource DevelopmentOption exercise(M)18K$0
Apr 10, 2026Zawadzki Alexi IllyaVP, Resource DevelopmentTax withholding(F)28K$4.13$115K
Apr 10, 2026Zawadzki Alexi IllyaVP, Resource DevelopmentOption exercise(M)18K
Apr 10, 2026Russell-Smith RobertSVP, FinanceTax withholding(F)2K$4.13$10K
Apr 10, 2026Evans Jonathan DavidPresident & CEO, DirectorOption exercise(M)98K$0
Apr 10, 2026Evans Jonathan DavidPresident & CEO, DirectorTax withholding(F)85K$4.17$356K
Apr 10, 2026Gerspacher RichardEVP, Capital ProjectsTax withholding(F)37K$4.17$155K
Apr 10, 2026Gerspacher RichardEVP, Capital ProjectsOption exercise(M)34K$0
Apr 10, 2026Dushnisky Kelvin Paul MichaelEVP, Capital Projects, DirectorTax withholding(F)42K$4.17$175K
Apr 10, 2026Crowley Timothy AmbroseSVP Government & Ext. AffairsOption exercise(M)16K$0
Apr 10, 2026Crowley Timothy AmbroseSVP Government & Ext. AffairsOption exercise(M)16K
Apr 10, 2026Colton LukeEVP & Chief Financial OfficerGrant(A)39K$0
Apr 10, 2026Colton LukeEVP & Chief Financial OfficerTax withholding(F)26K$4.17$110K
Apr 10, 2026Colton LukeEVP & Chief Financial OfficerOption exercise(M)39K$0
Apr 10, 2026Grandy EdwardSr VP, GC & SecretaryOption exercise(M)21K$0
Apr 10, 2026Grandy EdwardSr VP, GC & SecretaryTax withholding(F)26K$4.17$107K
Apr 10, 2026Grandy EdwardSr VP, GC & SecretaryOption exercise(M)21K
Apr 10, 2026Barnum AubreeVP, Human ResourcesOption exercise(M)16K$0
Apr 10, 2026Barnum AubreeVP, Human ResourcesTax withholding(F)17K$4.17$72K
Apr 10, 2026Barnum AubreeVP, Human ResourcesOption exercise(M)16K
Apr 10, 2026Evans Jonathan DavidPresident & CEO, DirectorOption exercise(M)98K$0
Mar 20, 2026Brown Michael JohnDirectorBuy(P)1K$3.78$4K
Feb 12, 2026Barnum AubreeVP, Human ResourcesTax withholding(F)4K$4.54$17K
Feb 12, 2026Gerspacher RichardEVP, Capital ProjectsTax withholding(F)12K$4.54$53K
Feb 12, 2026Grandy EdwardSr VP, GC & SecretaryTax withholding(F)4K$4.54$19K
Feb 12, 2026Evans Jonathan DavidPresident & CEO, DirectorTax withholding(F)23K$4.54$106K
Feb 12, 2026Crowley Timothy AmbroseSVP Government & Ext. AffairsTax withholding(F)3K$4.54$15K
Feb 12, 2026Zawadzki Alexi IllyaVP, Resource DevelopmentTax withholding(F)10K$4.54$45K
Feb 9, 2026Grandy EdwardSr VP, GC & SecretaryOption exercise(M)9K
Feb 9, 2026Grandy EdwardSr VP, GC & SecretaryOption exercise(M)9K$0
Feb 9, 2026Crowley Timothy AmbroseSVP Government & Ext. AffairsOption exercise(M)8K
Feb 9, 2026Crowley Timothy AmbroseSVP Government & Ext. AffairsOption exercise(M)8K$0
Feb 9, 2026Barnum AubreeVP, Human ResourcesGrant(A)9K$0
Feb 9, 2026Gerspacher RichardEVP, Capital ProjectsGrant(A)24K$0
Feb 9, 2026Evans Jonathan DavidPresident & CEO, DirectorGrant(A)47K$0
Feb 9, 2026Zawadzki Alexi IllyaVP, Resource DevelopmentGrant(A)17K$0
Jan 29, 2026Barnum AubreeVP, Human ResourcesGrant(A)26K$0
Jan 29, 2026Barnum AubreeVP, Human ResourcesGrant(A)26K$0
Jan 29, 2026Colton LukeEVP & Chief Financial OfficerGrant(A)38K$0
Jan 29, 2026Colton LukeEVP & Chief Financial OfficerGrant(A)46K$0
Jan 29, 2026Crowley Timothy AmbroseVP, Gov & External AffairsGrant(A)25K$0
Jan 29, 2026Crowley Timothy AmbroseVP, Gov & External AffairsGrant(A)26K$0
Jan 29, 2026Gerspacher RichardEVP, Capital ProjectsGrant(A)44K$0
Jan 29, 2026Gerspacher RichardEVP, Capital ProjectsGrant(A)55K$0
Jan 29, 2026Grandy EdwardSr VP, GC & SecretaryGrant(A)34K$0
Jan 29, 2026Grandy EdwardSr VP, GC & SecretaryGrant(A)33K$0
Jan 29, 2026Zawadzki Alexi IllyaVP, Resource DevelopmentGrant(A)32K$0
Jan 29, 2026Zawadzki Alexi IllyaVP, Resource DevelopmentOption exercise(M)28K$0
Jan 29, 2026Russell-Smith RobertSVP, FinanceGrant(A)4K$0
Jan 29, 2026Russell-Smith RobertSVP, FinanceGrant(A)23K$0
Jan 29, 2026Evans Jonathan DavidPresident & CEO, DirectorGrant(A)82K$0
Jan 29, 2026Evans Jonathan DavidPresident & CEO, DirectorGrant(A)146K$0
Jan 29, 2026Dushnisky Kelvin Paul MichaelEVP, Capital Projects, DirectorGrant(A)75K$0
Jan 29, 2026Dushnisky Kelvin Paul MichaelEVP, Capital Projects, DirectorGrant(A)76K$0
Jan 23, 2026Gerspacher RichardEVP, Capital ProjectsTax withholding(F)9K$6.47$58K
Jan 23, 2026Gerspacher RichardEVP, Capital ProjectsOption exercise(M)18K
Jan 23, 2026Gerspacher RichardEVP, Capital ProjectsOption exercise(M)18K$0
Jan 23, 2026Barnum AubreeVP, Human ResourcesOption exercise(M)7K
Jan 23, 2026Barnum AubreeVP, Human ResourcesTax withholding(F)3K$6.47$20K
Jan 23, 2026Barnum AubreeVP, Human ResourcesOption exercise(M)7K$0
Jan 23, 2026Crowley Timothy AmbroseVP, Gov & External AffairsOption exercise(M)7K
Jan 23, 2026Crowley Timothy AmbroseVP, Gov & External AffairsOption exercise(M)7K$0
Jan 23, 2026Evans Jonathan DavidPresident & CEO, DirectorTax withholding(F)24K$6.47$156K
Jan 23, 2026Evans Jonathan DavidPresident & CEO, DirectorOption exercise(M)52K
Jan 23, 2026Evans Jonathan DavidPresident & CEO, DirectorOption exercise(M)52K$0
Jan 23, 2026Grandy EdwardSr VP, GC & SecretaryTax withholding(F)4K$6.47$27K
Jan 23, 2026Grandy EdwardSr VP, GC & SecretaryOption exercise(M)8K
Jan 23, 2026Grandy EdwardSr VP, GC & SecretaryOption exercise(M)8K$0
Jan 23, 2026Zawadzki Alexi IllyaVP, Resource DevelopmentOption exercise(M)12K
Jan 23, 2026Zawadzki Alexi IllyaVP, Resource DevelopmentTax withholding(F)7K$6.45$43K
Jan 23, 2026Zawadzki Alexi IllyaVP, Resource DevelopmentOption exercise(M)12K$0
Jan 15, 2026Brown Michael JohnDirectorGrant(A)10K$0
Jan 15, 2026Chubbs FabianaDirectoracquired()7K$0
Jan 15, 2026Gao YuanDirectorGrant(A)9K$0
Jan 15, 2026Magie JinheeDirectorGrant(A)7K$0
Jan 15, 2026Montgomery PhilipDirectorGrant(A)7K$0
Nov 17, 2025Grandy EdwardSr VP, GC & SecretarySell(S)6K$4.50$29K
Nov 17, 2025Grandy EdwardSr VP, GC & SecretarySell(S)14$8.24$115
Nov 17, 2025Grandy EdwardSr VP, GC & SecretarySell(S)14$8.24$115
Nov 14, 2025Crowley Timothy AmbroseVP, Gov & External AffairsSell(S)5K$4.50$21K
Nov 14, 2025Gerspacher RichardEVP, Capital ProjectsSell(S)6K$4.50$28K
Nov 14, 2025Barnum AubreeVP, Human ResourcesSell(S)5K$4.50$21K
Oct 24, 2025Crowley Timothy AmbroseVP, Gov & External AffairsOption exercise(M)11K
Oct 24, 2025Crowley Timothy AmbroseVP, Gov & External AffairsOption exercise(M)11K$0
Oct 24, 2025Gerspacher RichardEVP, Capital ProjectsOption exercise(M)13K
Oct 24, 2025Gerspacher RichardEVP, Capital ProjectsOption exercise(M)13K$0
Oct 24, 2025Barnum AubreeVP, Human ResourcesOption exercise(M)11K$0
Oct 24, 2025Barnum AubreeVP, Human ResourcesOption exercise(M)11K$0
Oct 22, 2025Chubbs FabianaDirectoracquired()5K$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 2021-04-262026-07-11. Earlier history is backfilling; this window widens as it deepens.

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