[2026-03-11] · OWNERSHIP TRANSPARENCY
Exhibit 21.1 of System1, Inc.'s Form 10-K for fiscal year 2025, filed with the SEC on 2026-03-11, lists Surfboard Holding B.V. (Netherlands) — Startpage's parent company — and New Privacy One Group Limited (Delaware) among the subsidiaries of System1, Inc., confirming that the US ad-tech company still owns Startpage's parent as of that filing.
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