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Private companiesTracked

Seasats

San Diego, CA · Founded 2020

Seasats, incorporated as SeaSatellites, Inc., builds small, long-endurance uncrewed surface vessels for defense, commercial and scientific missions. Its flagship, the solar-powered Lightfish, is on contract with the U.S. Navy and Marine Corps.

Profile

What it builds and who buys it

  • ·The Lightfish runs on solar-electric power with a hybrid backup for missions of up to 6 months, and one or two people can launch it by hand.Seasats
  • ·The Quickfish is a tactical vessel with a top speed above 35 knots. The Heavyfish carries a 1,000 lb payload and is expected in the water in 2026.Seasats
  • ·L3Harris made a strategic investment in Seasats in October 2022 to co-develop and accelerate production of its X3 micro-ASV.Seapower Magazine, Oct 25, 2022
  • ·In September 2025 the Navy, through NIWC Atlantic, awarded an SBIR Phase III IDIQ for Lightfish vessels for the Marine Corps, with an $89 million ceiling including options and $2 million obligated at award.Tectonic, Oct 7, 2025
  • ·The company was selected for the Department of War’s APFIT program, which funds fielding of technologies that have completed development.Seasats (release via PR Newswire), Feb 17, 2026
  • ·A Lightfish completed the first autonomous transit of the Taiwan Strait over five days in May 2026, according to the company.Seasats (release via PR Newswire), May 27, 2026
  • ·The company announced more than $24 million of committed orders in one month in September 2026, covering vessel sales and robot-as-a-service contracts for US government customers including the Marine Corps and Navy.Ocean News & Technology, Sep 8, 2026

Founders and leadership

  • Mike FlaniganCo-founder and chief executive

    Holds a B.S. in mechanical engineering and an M.S. in computer science and robotics. He worked as an automation consultant and at Ocean Aero, an autonomous boat startup, before Seasats.Brown University (PRIME)

Funding

Last valuation

No citable valuation

Last round or tender

$20Mraised

Series ASeasats (release via PR Newswire), Feb 17, 2026

Led by Konvoy Ventures, with Shield Capital, DNS Capital, Techstars, Tanis Venture Management, Crumpton Ventures, Dorado Group and other strategic investors. The company said it had raised more than $40 million in total, a floor. The Form D for an equity offering begun January 15, 2026 records $20.0 million sold to 14 investors, the whole offering. No valuation was stated.

Latest revenue figure

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Valuation to revenue

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Post-money valuation by round

Fewer than two dated figures on file to plot; the table carries what there is.

DateRoundRaisedPost-money
Feb 17, 2026Series ALed by Konvoy Ventures, with Shield Capital, DNS Capital, Techstars, Tanis Venture Management, Crumpton Ventures, Dorado Group and other strategic investors. The company said it had raised more than $40 million in total, a floor. The Form D for an equity offering begun January 15, 2026 records $20.0 million sold to 14 investors, the whole offering. No valuation was stated.$20M—
Dec 23, 2024Form D offeringNo announcement from the company names this filing’s round. The filing records $9.1 million of equity sold to 9 investors of $10.0 million offered, from December 23, 2024.——
Sep 15, 2022Form D offeringNo announcement from the company names this filing’s round. The filing records $6.5 million of equity sold to 24 investors of $11.3 million offered, from September 15, 2022.——

Primary capital across the rounds on file: $20M

Revenue

No citable revenue figure on file.

Secondary venues

  • Caplightpublic page seen Oct 15, 2026

    No price on the public page.

    No public MarketPrice. Historical pricing is behind a login.

A venue is listed when its public page named the company on the date shown. A price is the figure that page showed, under the venue’s own name for it and dated as the venue dated it; it is a level the venue publishes, not a trade. Nothing is recorded from behind a login.

Reads

Tracked only. No read has been prepared for this company; the figures above are the record.

Sources

Researched Oct 15, 2026