InsiderTrades

Form 4 for MNTK Montauk Renewables, Inc.

Accepted 2026-05-13 16:16:05 ET · period of report 2026-05-11 · accession 0000950103-26-007157 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
I 2026-05-13 16:16 2026-05-11 MNTK Copelyn John A Dir P - Purchase $1.45 +17.5K 17.5K New +$25.4K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-05-11 P A 17,506 $1.45 17,506 I See Footnote — — (F1) The underlying transaction was denominated in South African rand ("ZAR"). The amount reported in United States Dollars ("USD") has been converted from ZAR using the South African Reserve Bank exchange rate in effect on the transaction date of 16.4093 ZAR to 1 USD. The per share purchase price was ZAR 23.86. (F2) These shares of common stock, par value $0.01 ("Common Stock"), of Montauk Renewables, Inc. (the "Issuer") are owned directly by Rivetprops 47 (PTY) Ltd. ("Rivetprops") and indirectly by Mr. Copelyn. Mr. Copelyn is a member of the board of directors of Rivetprops and is deemed to have voting and investment power with respect to the shares of Common Stock held by Rivetprops.