Montauk Renewables, Inc.

MNTK·NASDAQ·$1.62Share Price as of 11/2·$231MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/05/26 10-QQ1 ended 03/31/2605/06/26 10-KFY 202503/11/26 10-QQ3 ended 09/30/2511/05/25 10-QQ2 ended 06/30/2508/06/25

Disclosures

8-KCurrent report08/06/26 8-KCurrent report08/05/26 8-KCurrent report05/28/26 8-KCurrent report05/06/26 8-KCurrent report03/12/26

Prospectuses and Registrations

S-8Registration of securities for employees01/27/21 424B4Prospectus01/25/21 S-1/ARegistration statement (amended)01/20/21 S-1/ARegistration statement (amended)01/15/21 S-1/ARegistration statement (amended)01/08/21

Proxies

DEF 14ADefinitive proxy04/10/26 DEFA14AAdditional proxy materials04/10/26 DEF 14ADefinitive proxy04/08/25 DEFA14AAdditional proxy materials04/08/25 DEF 14ADefinitive proxy04/22/24

Ownership

Form 4Insider transaction05/22/26 Form 4Insider transaction05/22/26 Form 4Insider transaction05/22/26 Form 4Insider transaction05/22/26 Form 4Insider transaction05/13/26

Other

ARSAnnual report to shareholders04/10/26 ARSAnnual report to shareholders04/08/25 ARSAnnual report to shareholders04/22/24 ARSAnnual report to shareholders04/25/23 CERTCEO/CFO certification01/21/21