MNTK insider filings
Montauk Renewables, Inc. — 14 most recent insider filings (SEC Forms 3/4/5) from EDGAR, normalized by FilingPulse. Latest filing: 2026-05-22. Screen MNTK transaction legs live →
Insider transaction summary — last 90 days
No insider filings (Forms 3/4/5) for MNTK between 2026-07-10 and 2026-10-08. The table below lists the most recent filings on record.
Recent insider filings — Montauk Renewables, Inc.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-05-22 | 4 | Shaw James A — Chief Operating Officer | Grant/award (A): 282,842 @ $0 | EDGAR |
| 2026-05-22 | 4 | McClain Sean F — President & CEO, Director | Grant/award (A): 383,183 @ $0 | EDGAR |
| 2026-05-22 | 4 | Van Asdalan Kevin A — Chief Financial Officer | Grant/award (A): 302,982 @ $0 | EDGAR |
| 2026-05-22 | 4 | Ciroli John — Chief Legal Officer | Grant/award (A): 302,982 @ $0 | EDGAR |
| 2026-05-13 | 4 | Copelyn John A — Director | Purchase (P): 17,506 @ $1.45 | EDGAR |
| 2025-11-26 | 4 | Frank Sharon R — VP Environ Health & Safety | Tax withholding (F): 2,748 @ $1.67 | EDGAR |
| 2024-11-26 | 4 | Frank Sharon R — VP Environ Health & Safety | Tax withholding (F): 2,748 @ $4.46 | EDGAR |
| 2023-11-27 | 4 | Frank Sharon R — VP Environ. Health & Safety | Tax withholding (F): 2,658 @ $9.09 | EDGAR |
| 2023-09-18 | 4 | Barsch Michael — See Remarks | Grant/award (A): 75,000 (derivative) @ $0 · Grant/award (A): 75,000 (derivative) @ $0 · Grant/award (A): 75,000 (derivative) @ $0 | EDGAR |
| 2023-04-26 | 4 | Van Asdalan Kevin A — CFO and Treasurer | Grant/award (A): 166,666 (derivative) @ $0 · Grant/award (A): 166,666 (derivative) @ $0 · Grant/award (A): 166,667 (derivative) @ $0 | EDGAR |
| 2023-04-26 | 4 | Shaw James A — Vice President of Operations | Grant/award (A): 100,000 (derivative) @ $0 · Grant/award (A): 100,000 (derivative) @ $0 · Grant/award (A): 100,000 (derivative) @ $0 | EDGAR |
| 2023-04-26 | 4 | McClain Sean F — President and CEO, Director | Grant/award (A): 200,000 (derivative) @ $0 · Grant/award (A): 200,000 (derivative) @ $0 · Grant/award (A): 200,000 (derivative) @ $0 | EDGAR |
| 2023-04-26 | 4 | Frank Sharon R — VP Environ. Health & Safety | Grant/award (A): 100,000 (derivative) @ $0 · Grant/award (A): 100,000 (derivative) @ $0 · Grant/award (A): 100,000 (derivative) @ $0 | EDGAR |
| 2023-04-26 | 4 | Ciroli John — See Remarks | Grant/award (A): 133,333 (derivative) @ $0 · Grant/award (A): 133,333 (derivative) @ $0 · Grant/award (A): 133,334 (derivative) @ $0 | EDGAR |
Recent 8-K events — Montauk Renewables, Inc.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-06 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-05 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-28 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-05-06 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-12 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-11 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-01-07 | 8-K | 1.01 — Entry into a Material Definitive Agreement 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-11-05 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-08-07 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-08-06 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
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