York Space Systems Inc. · NYSE:YSS

BlackRock Portfolio Management LLC sold 674,604 York Space Systems Inc. shares (Form 4/A)

Traded Aug 4 to Aug 5, 2026 · Filed Aug 10, 2026

From Aug 4 to Aug 5, 2026, BlackRock Portfolio Management LLC (10% owner) sold 674,604 York Space Systems Inc. shares at an average US$15.15 for US$10.2M, leaving 16,918,789 shares. Filed Aug 10, 2026 (Form 4/A).

Sold: 674,604 shares
Price: US$15.15 average (US$13.49 to US$15.58)
Value: US$10.2M
Holding after: 16,918,789 shares (held indirectly)
Trading plan: No
Role: 10% owner

The filing in full

Date	Security	Transaction	Shares	Price	Holding after	Ownership
Aug 4, 2026	Common Stock	Sale	78,082	US$15.02	17,515,311	Indirect
Aug 4, 2026	Common Stock	Sale	468,476	US$15.58	17,046,835	Indirect
Aug 5, 2026	Common Stock	Sale	116,162	US$13.49	16,930,673	Indirect
Aug 5, 2026	Common Stock	Sale	11,884	US$15.28	16,918,789	Indirect

Source

View original at SEC

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