$YSS 4 SEC Filings

Filed On	Filing
10 Aug 2026	Form 4: BlackRock Portfolio Management Llc, 10% owner Sold 201,504 shares ($2.34M) · Sold 200,170 shares ($2.2M)
06 Aug 2026	Form 4: BlackRock Portfolio Management Llc, 10% owner Sold 534,053 shares ($8.28M) · Sold 127,946 shares ($1.75M)
04 Aug 2026	Form 4: BlackRock Portfolio Management Llc, 10% owner Sold 35,574 shares ($539K) · Sold 13,754 shares ($207K)
31 Jul 2026	Form 4: BlackRock Portfolio Management Llc, 10% owner Sold 63,390 shares ($971K) · Sold 140,823 shares ($2.14M)
10 Jul 2026	Form 4: Aeroequity GP, Llc, 10% owner and 2 others Received 2,289,366 shares as a grant or award ($77.8M)
05 Jun 2026	Form 4: Aeroequity GP, Llc, 10% owner and 2 others Received 287,789 shares as a grant or award ($9.78M)
14 Apr 2026	Form 4: Davidson Janine, Director Received 4,381 shares as a grant or award
03 Feb 2026	Form 4: Frantz Brian D, Chief Accounting Officer Received 10,294 shares as a grant or award
03 Feb 2026	Form 4: Erwin Tami A., Director Received 5,294 shares as a grant or award · Bought 2,941 shares ($100K)
03 Feb 2026	Form 4: Messerle Kevin, Chief Financial Officer Received 80,882 shares as a grant or award
03 Feb 2026	Form 4: Konert Kirk Michael, Director Received 5,294 shares as a grant or award
03 Feb 2026	Form 4: McConville James, Director Received 5,294 shares as a grant or award
03 Feb 2026	Form 4: Wallinger Dirk, Director Received 569,920 shares as a grant or award
03 Feb 2026	Form 4: Letarte Tyler, Director Received 5,294 shares as a grant or award · Bought 1,470 shares ($50K)
03 Feb 2026	Form 4: Boyd Andrew, Director Received 5,294 shares as a grant or award
03 Feb 2026	Form 4: Brothers Louis R Jr, Director Received 5,294 shares as a grant or award
03 Feb 2026	Form 4: Palko Monica J., See Remarks Received 54,412 shares as a grant or award
03 Feb 2026	Form 4: Rudra Devjyoti, Chief Supply Chain Officer Received 23,529 shares as a grant or award
03 Feb 2026	Form 4: BlackRock Portfolio Management Llc, 10% owner Bought 752,500 shares ($25.6M)

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