Legal Insider Trading Data | Free and Professional Subscription Services | Insider Insights urn:uuid:08a22298-571d-9fd3-ce65-d59577205545 2026-05-01T01:12:00-04:00 Jonathan Moreland Profit from legal insider trading. InsiderInsights.com provides free insider trading data tools and resources, and professional grade subscription based real time Form 4 data, analysis and services YSS: DAVIDSON JANINE (DIR) Acquired (JB) 4,381 Shares of YORK SPACE SYSTEMS INC for $0.00 on 4/10 urn:uuid:181f274c-fd25-ad0b-2ff3-2ca99ed68779 2026-04-14T17:35:51-04:00 YSS: DAVIDSON JANINE (DIR) Filed a Form 3, Becoming a Registered Insider at YORK SPACE SYSTEMS INC With Initial Holdings of 0 urn:uuid:963d6052-949a-a83b-d26c-0ef5c46bd887 2026-04-14T17:29:35-04:00 YSS: WALLINGER DIRK (CEO,DIR) Acquired (JB) 211,176 Shares of YORK SPACE SYSTEMS INC for $0.00 on 1/30 urn:uuid:b1edf695-9e1a-ee3a-d9bd-e3e9b887144f 2026-03-11T19:56:33-04:00 YSS: FRANTZ BRIAN D (CAO) Acquired (JB) 10,294 Shares of YELLOWSTONE MIDCO HOLDINGS II LLC for $0.00 on 1/30 urn:uuid:02c78a20-db41-76df-3758-db552674857b 2026-02-03T21:06:58-05:00 YSS: ERWIN TAMI A (DIR) Bought (B) 2,941 Shares of YELLOWSTONE MIDCO HOLDINGS II LLC for $34.00 on 1/30 urn:uuid:15c82dbe-cbd7-70e5-2330-aebd82104ef2 2026-02-03T21:04:13-05:00 YSS: ERWIN TAMI A (DIR) Acquired (JB) 5,294 Shares of YELLOWSTONE MIDCO HOLDINGS II LLC for $0.00 on 1/30 urn:uuid:5069bcb0-e2ca-945a-b9cf-ee58c937037e 2026-02-03T21:04:13-05:00 YSS: MESSERLE KEVIN (CFO) Acquired (JB) 80,882 Shares of YELLOWSTONE MIDCO HOLDINGS II LLC for $0.00 on 1/30 urn:uuid:893e1a6b-4e7e-2f8e-46f5-2c13141465f1 2026-02-03T21:03:19-05:00 YSS: KONERT KIRK MICHAEL (DIR) Acquired (JB) 5,294 Shares of YELLOWSTONE MIDCO HOLDINGS II LLC for $0.00 on 1/30 urn:uuid:7acd4ce1-cce1-6856-8d9a-708df16af9b1 2026-02-03T21:01:02-05:00 YSS: MCCONVILLE JAMES (DIR) Acquired (JB) 5,294 Shares of YELLOWSTONE MIDCO HOLDINGS II LLC for $0.00 on 1/30 urn:uuid:7c9b1aa0-babf-ed78-cd87-cb809facc276 2026-02-03T21:00:22-05:00 YSS: WALLINGER DIRK (CEO,DIR) Acquired (JB) 569,920 Shares of YELLOWSTONE MIDCO HOLDINGS II LLC for $0.00 on 1/30 urn:uuid:0f8f7a07-2dc5-14f0-5fd9-41ffbcd9b51b 2026-02-03T20:59:43-05:00