Arkolith/Insider Trading/MNTK

MNTK Insider Trading

Montauk Renewables, Inc. · full profile →Last filing May 20, 2026
Net Buying · 180d
Open-Market Buys (180d)
$25K
1 insiders
Open-Market Sells (180d)
$0
0 insiders
Net Insider Flow
$25K
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.

Form 4 insider API

Open-market buys and sells, cluster scans, company flows.

insider.transactions

13F holdings API

Owners, holdings, deltas, point-in-time portfolios.

stock.owners

MCP quickstart

Connect an agent, mint a key, make the first call.

/api/mcp

Recent Form 4 Transactions

61 shown
DateInsiderRoleActionSharesPriceValue
May 20, 2026Ciroli JohnChief Legal OfficerGrant(A)303K—$0
May 20, 2026Van Asdalan Kevin AChief Financial OfficerGrant(A)303K—$0
May 20, 2026Shaw James AChief Operating OfficerGrant(A)283K—$0
May 20, 2026McClain Sean FPresident & CEO, DirectorGrant(A)383K—$0
May 11, 2026Copelyn John ADirectorBuy(P)18K$1.45$25K
Nov 24, 2025Frank Sharon RVP Environ Health & SafetyTax withholding(F)3K$1.67$5K
Nov 24, 2024Frank Sharon RVP Environ Health & SafetyTax withholding(F)3K$4.46$12K
Nov 24, 2023Frank Sharon RVP Environ. Health & SafetyTax withholding(F)3K$9.09$24K
Sep 15, 2023Barsch MichaelSee RemarksGrant(A)75K—$0
Sep 15, 2023Barsch MichaelSee RemarksGrant(A)75K—$0
Sep 15, 2023Barsch MichaelSee RemarksGrant(A)75K—$0
Apr 19, 2023Ciroli JohnSee RemarksGrant(A)133K—$0
Apr 19, 2023Ciroli JohnSee RemarksGrant(A)133K—$0
Apr 19, 2023Ciroli JohnSee RemarksGrant(A)133K—$0
Apr 19, 2023Frank Sharon RVP Environ. Health & SafetyGrant(A)100K—$0
Apr 19, 2023Frank Sharon RVP Environ. Health & SafetyGrant(A)100K—$0
Apr 19, 2023Frank Sharon RVP Environ. Health & SafetyGrant(A)100K—$0
Apr 19, 2023McClain Sean FPresident and CEO, DirectorGrant(A)200K—$0
Apr 19, 2023McClain Sean FPresident and CEO, DirectorGrant(A)200K—$0
Apr 19, 2023McClain Sean FPresident and CEO, DirectorGrant(A)200K—$0
Apr 19, 2023Shaw James AVice President of OperationsGrant(A)100K—$0
Apr 19, 2023Shaw James AVice President of OperationsGrant(A)100K—$0
Apr 19, 2023Shaw James AVice President of OperationsGrant(A)100K—$0
Apr 19, 2023Van Asdalan Kevin ACFO and TreasurerGrant(A)167K—$0
Apr 19, 2023Van Asdalan Kevin ACFO and TreasurerGrant(A)167K—$0
Apr 19, 2023Van Asdalan Kevin ACFO and TreasurerGrant(A)167K—$0
Dec 1, 2022Frank Sharon RVP Environ. Health & SafetyTax withholding(F)3K$10.01$28K
Nov 28, 2022McClain Sean FPresident and CEO, DirectorSell(S)58K$12.07$697K
Nov 28, 2022McClain Sean FPresident and CEO, DirectorSell(S)2K$12.68$29K
Nov 28, 2022Hill Scott EVP of Business DevelopmentSell(S)102K$12.02$1.2M
Nov 28, 2022Hill Scott EVP of Business DevelopmentSell(S)2K$12.68$30K
Jan 28, 2022Frank Sharon RVP Environ. Health & SafetyTax withholding(F)87$10.01$871
Jan 28, 2022Shaw James AVice President of OperationsTax withholding(F)87$10.01$871
Jan 28, 2022Van Asdalan Kevin ACFO and TreasurerTax withholding(F)87$10.01$871
Jan 28, 2022Hill Scott EVP of Business DevelopmentTax withholding(F)87$10.01$871
Jan 28, 2022Ciroli JohnVP, GC and SecretaryTax withholding(F)87$10.01$871
Jan 28, 2022McClain Sean FPresident and CEO, DirectorTax withholding(F)87$10.01$871
Dec 1, 2021Frank Sharon RVP Environ. Health & SafetyGrant(A)50K—$0
Jan 28, 2021Hill Scott EVP of Business DevelopmentTax withholding(F)168K$11.38$1.9M
Jan 28, 2021Hill Scott EVP of Business DevelopmentGrant(A)372K—$0
Jan 28, 2021Hill Scott EVP of Business DevelopmentGrant(A)264—$0
Jan 28, 2021Hill Scott EVP of Business DevelopmentGrant(A)168K—$0
Jan 28, 2021Shaw James AVice President of OperationsTax withholding(F)160K$11.38$1.8M
Jan 28, 2021Shaw James AVice President of OperationsGrant(A)354K—$0
Jan 28, 2021Shaw James AVice President of OperationsGrant(A)264—$0
Jan 28, 2021Shaw James AVice President of OperationsGrant(A)160K—$0
Jan 28, 2021Ciroli JohnVP, GC and SecretaryGrant(A)264—$0
Jan 28, 2021Ciroli JohnVP, GC and SecretaryGrant(A)317K—$0
Jan 28, 2021Ciroli JohnVP, GC and SecretaryTax withholding(F)150K$11.38$1.7M
Jan 28, 2021Ciroli JohnVP, GC and SecretaryGrant(A)150K—$0
Jan 28, 2021McClain Sean FPresident and CEO, DirectorGrant(A)696K—$0
Jan 28, 2021McClain Sean FPresident and CEO, DirectorGrant(A)264—$0
Jan 28, 2021McClain Sean FPresident and CEO, DirectorTax withholding(F)313K$11.38$3.6M
Jan 28, 2021McClain Sean FPresident and CEO, DirectorGrant(A)313K—$0
Jan 28, 2021Van Asdalan Kevin ACFO and TreasurerGrant(A)264—$0
Jan 28, 2021Van Asdalan Kevin ACFO and TreasurerTax withholding(F)160K$11.38$1.8M
Jan 28, 2021Van Asdalan Kevin ACFO and TreasurerGrant(A)354K—$0
Jan 28, 2021Van Asdalan Kevin ACFO and TreasurerGrant(A)160K—$0
Jan 26, 2021Raynor Bruce SDirectorOther(J)1——
Jan 26, 2021Raynor Bruce SDirectorOther(J)1——
Jan 21, 2021Montauk Holdings Ltd10% OwnerOther(J)136.0M—$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.

Issuer: Montauk Renewables, Inc., SEC CIK 0001826600. The symbol on a Form 4 is typed by the filer, so this page follows the issuer with the newest filing under MNTK and shows every filing by that issuer.

Coverage: Form 4 filings indexed 2006-01-02 → 2026-09-14. Earlier history is backfilling; this window widens as it deepens.

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

Keep exploring

Connected pages for MNTK