MNTK
Montauk Renewables, Inc.
NASDAQ · Utilities · Diversified Utilities · US
$2.23
−0.89%0
Insider buys (3m)
0
Insider sells (3m)
$0.00
Net value (3m)
+37.7%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| May 22, 2026 | Van Asdalan Kevin A · officer: Chief Financial Officer | A-Award | 302,982 | $0.00 |
| May 22, 2026 | McClain Sean F · director, officer: President & CEO | A-Award | 383,183 | $0.00 |
| May 22, 2026 | Shaw James A · officer: Chief Operating Officer | A-Award | 282,842 | $0.00 |
| May 22, 2026 | Ciroli John · officer: Chief Legal Officer | A-Award | 302,982 | $0.00 |
| May 13, 2026 | Copelyn John A · director | Purchase | 17,506 | $1.45 |
| Nov 26, 2025 | Frank Sharon R · officer: VP Environ Health & Safety | F-InKind | 2,748 | $1.67 |
| Nov 26, 2024 | Frank Sharon R · officer: VP Environ Health & Safety | F-InKind | 2,748 | $4.46 |
| Nov 27, 2023 | Frank Sharon R · officer: VP Environ. Health & Safety | F-InKind | 2,658 | $9.09 |
| Sep 18, 2023 | Barsch Michael · officer: See Remarks | A-Award | 75,000 | $9.57 |
| Apr 26, 2023 | Shaw James A · officer: Vice President of Operations | A-Award | 100,000 | $6.77 |
| Apr 26, 2023 | McClain Sean F · director, officer: President and CEO | A-Award | 200,000 | $6.77 |
| Apr 26, 2023 | Frank Sharon R · officer: VP Environ. Health & Safety | A-Award | 100,000 | $6.77 |
| Apr 26, 2023 | Ciroli John · officer: See Remarks | A-Award | 133,334 | $6.77 |
| Apr 26, 2023 | Ciroli John · officer: See Remarks | A-Award | 133,333 | $6.77 |
| Apr 26, 2023 | Van Asdalan Kevin A · officer: CFO and Treasurer | A-Award | 166,667 | $6.77 |
| Apr 26, 2023 | Van Asdalan Kevin A · officer: CFO and Treasurer | A-Award | 166,666 | $6.77 |
| Dec 5, 2022 | Frank Sharon R · officer: VP Environ. Health & Safety | F-InKind | 2,748 | $10 |
| Nov 29, 2022 | McClain Sean F · officer: President and CEO | Sale | 57,750 | $12 |
| Nov 29, 2022 | Hill Scott E · officer: VP of Business Development | Sale | 2,350 | $13 |
| Nov 29, 2022 | Hill Scott E · officer: VP of Business Development | Sale | 101,797 | $12 |
| Nov 29, 2022 | McClain Sean F · officer: President and CEO | Sale | 2,250 | $13 |
| Feb 1, 2022 | Ciroli John · officer: VP, GC and Secretary | F-InKind | 87 | $10 |
| Feb 1, 2022 | McClain Sean F · director, officer: President and CEO | F-InKind | 87 | $10 |
| Feb 1, 2022 | Shaw James A · officer: Vice President of Operations | F-InKind | 87 | $10 |
| Feb 1, 2022 | Frank Sharon R · officer: VP Environ. Health & Safety | F-InKind | 87 | $10 |
| Feb 1, 2022 | Hill Scott E · officer: VP of Business Development | F-InKind | 87 | $10 |
| Feb 1, 2022 | Van Asdalan Kevin A · officer: CFO and Treasurer | F-InKind | 87 | $10 |
| Dec 1, 2021 | Frank Sharon R · officer: VP Environ. Health & Safety | A-Award | 50,000 | $0.00 |
| Jan 29, 2021 | Hill Scott E · officer: VP of Business Development | A-Award | 264 | $0.00 |
| Jan 29, 2021 | Van Asdalan Kevin A · officer: CFO and Treasurer | A-Award | 354,161 | $0.00 |
Institutional positioning
13F filings over the trailing two quarters
New 22Increased 29Reduced 31Sold out 93
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Reduced | 4,218,997 | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 2,688,714 | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1,759,278 | May 15, 2026 |
| BAADER BANK AKTIENGESELLSCHAFT | Unchanged | 1,605,000 | May 8, 2026 |
| STATE STREET CORP | Reduced | 1,365,473 | May 15, 2026 |
| BARCLAYS PLC | Increased | 1,038,917 | May 15, 2026 |
| AMERICAN CENTURY COMPANIES INC | Reduced | 954,468 | May 15, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 736,584 | May 7, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Reduced | 520,611 | May 15, 2026 |
| NORTHERN TRUST CORP | Increased | 505,374 | May 14, 2026 |
| VANGUARD FIDUCIARY TRUST CO | New Position | 432,268 | May 8, 2026 |
| HOSKING PARTNERS LLP | Increased | 396,932 | Apr 21, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 388,919 | May 8, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Increased | 354,600 | May 14, 2026 |
| GOLDMAN SACHS GROUP INC | Reduced | 331,189 | May 15, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing May 22, 2026