Related Party Transactions

12 Months Ended

Dec. 31, 2025

Related Party Transactions [Abstract]

Related Party Transactions

21. Related Party Transactions

A summary of the Company’s related party transactions during the years ended December 31, 2025 and 2024 is presented below:

							Amount Due to Related Party as of
			Total Payments in the Years Ended December 31,				December 31,		December 31,
	Nature of Relationship		2025		2024		2025		2024
Name		Description of the Transactions	(in thousands)
LeoStella	Former Joint Venture with Thales Alenia Space	The Company owned 50% of LeoStella, its joint venture with Thales. The Company contracted with LeoStella for the design, development and manufacture of satellites to operate its business. In November 2024, the Company acquired the remaining 50% of common units of BlackSky Satellite Systems, fka LeoStella, which is now a wholly-owned subsidiary of BlackSky.	N/A		$	27,127	N/A		N/A
Ursa Space Systems	Strategic Partner	The Chairman of the Company’s board of directors, Will Porteous, is also an investor and member of the board of directors of Ursa Space Systems. The Company has a non-cancelable operational commitment with Ursa Space Systems.	$	542	500		$	—	$	42
Thales Alenia Space	Shareholder and Parent of Wholly-owned Subsidiary, Seahawk	Design, development and manufacture of telescopes.	4,916		5,560		—		—
Seahawk	Subsidiary of Thales Alenia Space	In 2019, the Company raised and converted $18.4 million from prior debt into new, outstanding debt and issued 13.5 million warrants to purchase Legacy BlackSky common stock. In July 2025, the Company repaid all debt outstanding and accrued interest to Seahawk.	28,101		570		—		25,072
Intelsat Jackson Holdings, S.A. ("Intelsat"), which is now part of SES	Former debt Issuer	In 2019, the Company entered into a term loan facility for $50.0 million and issued 20.2 million warrants to Intelsat to purchase Legacy BlackSky common stock. In July 2025, the Company repaid all debt outstanding and accrued interest to Intelsat.	$	76,391	1,844		N/A		67,962

The Company recorded revenue from related parties of $2.3 million and $4.3 million for the years ended December 31, 2025 and 2024, respectively. As of December 31, 2025 and 2024, the Company had $3.9 million and $11.2 million, respectively, of contract assets from related parties, which the Company anticipates receiving as payments over the next 12 months. As of December 31, 2025, the amounts invoiced by the Company and due from related parties were $9.6 million. As of December 31, 2024, the amounts invoiced by the Company and due from related parties were not significant.

Prior to repaying the term loan facility in July 2025, interest was accrued and due semi-annually. The Company made interest payments of $3.8 million and $2.4 million during the years ended December 31, 2025 and 2024, respectively. In July 2025, the Company repaid the term loan facility from related parties in its entirety plus accrued interest in the amount of $100.2 million.