Montauk Renewables, Inc. (MNTK) Insider Ownership

Historic Insider Ownership Trends

According to recent filings covering the 90 days ending January 13, 2026, the three most significant insider holders at Montauk Renewables are President And Ceo Sean F Mcclain (757.99K shares), Vp Of Business Development Scott E Hill (620.46K shares), Vice President Of Operations James A Shaw (194.54K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Sean F Mcclain President And Ceo 757,989 29 Nov, 2022
Scott E Hill Vp Of Business Development 620,460 29 Nov, 2022
James A Shaw Vice President Of Operations 194,545 01 Feb, 2022
Asdalan Kevin A Van Cfo And Treasurer 194,511 01 Feb, 2022
John Ciroli Vp And Gc And Secretary 167,790 01 Feb, 2022
Sharon R Frank Vp Environ Health & Safety 39,275 26 Nov, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
24 Nov, 2025 Sharon R Frank Common Stock D 2,748 $1.67 39,275 D F
24 Nov, 2024 Sharon R Frank Common Stock D 2,748 $4.46 42,023 D F
24 Nov, 2023 Sharon R Frank Common Stock D 2,658 $9.09 44,771 D F
01 Dec, 2022 Sharon R Frank Common Stock D 2,748 $10.01 47,429 D F
28 Nov, 2022 Sean F Mcclain Common Stock D 57,750 $12.07 760,239 D S
28 Nov, 2022 Sean F Mcclain Common Stock D 2,250 $12.68 757,989 D S
28 Nov, 2022 Scott E Hill Common Stock D 2,350 $12.68 620,460 D S
28 Nov, 2022 Scott E Hill - - 622,810 D
28 Nov, 2022 Scott E Hill Common Stock D 101,797 $12.02 622,810 D S
28 Nov, 2022 Scott E Hill - - 620,460 D
28 Jan, 2022 John Ciroli Common Stock D 87 $10.01 167,790 D F
28 Jan, 2022 John Ciroli - - 167,790 D
28 Jan, 2022 Asdalan Kevin A Van Common Stock D 87 $10.01 194,511 D F
28 Jan, 2022 James A Shaw Common Stock D 87 $10.01 194,545 D F
28 Jan, 2022 Sean F Mcclain Common Stock D 87 $10.01 817,989 D F
28 Jan, 2022 Scott E Hill Common Stock D 87 $10.01 724,607 D F
28 Jan, 2022 Sharon R Frank Common Stock D 87 $10.01 50,177 D F
01 Dec, 2021 Sharon R Frank Common Stock A 50,000 $0.00 50,264 D A
28 Jan, 2021 John Ciroli Common Stock A 264 $0.00 264 D A
28 Jan, 2021 John Ciroli Common Stock A 317,121 $0.00 317,385 D A