Stockholders’ Equity (Tables)

6 Months Ended

Dec. 31, 2025

Equity [Abstract]

Schedule of Movement in Common Stock


(in thousands, except share numbers and per share amounts)	Date		Tamboran common stock		Fair market value at time of issuance		Details		Cumulative net proceeds
Balance at July 1, 2025			16,717,289						$450,437
Issuance of common stock pursuant to Subscription Agreement	July 2025		940,729		$17.74		$10,966
Issuance of common stock as prepayment of Facility Fee	July 2025		112,740		$19.41		$2,188
Issuance of common stock as termination payment	September 2025		50,000		$19.75		$988
Issuance of common stock under public offering	October 2025		2,673,111		$21.00		$56,135
Issuance of common stock under share purchase plan	November 2025		537,794		$20.93		$11,255
Issuance of shares against vested equity awards	December 2025		38,500		$21.73		$837
Issuance of shares against vested equity awards	December 2025		7,650		$21.73		$166
Issuance of shares against vested equity awards	December 2025		2,309		$20.99		$48
Issuance of shares against vested equity awards	December 2025		5,002		$19.99		$100
Issuance of shares against vested equity awards	December 2025		30,012		$19.99		$600
Less: Transaction costs			—				$(4,889)		78,394
Balance at December 31, 2025			21,115,136						$528,831