YSS insider transaction filings

York Space Systems Inc. — 22 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-08-10. Screen YSS transaction legs live →

FiledFormInsiderReported transactionsSource
2026-08-104BlackRock Portfolio Management LLC — 10% ownerSale (S): 201,504 @ $11.60 · Sale (S): 200,170 @ $10.99EDGAR
2026-08-104/ABlackRock Portfolio Management LLC — 10% ownerSale (S): 78,082 @ $15.02 · Sale (S): 468,476 @ $15.58 · Sale (S): 116,162 @ $13.49 · Sale (S): 11,884 @ $15.28EDGAR
2026-08-064BlackRock Portfolio Management LLC — 10% ownerSale (S): 77,743 @ $15.02 · Sale (S): 456,310 @ $15.58 · Sale (S): 116,162 @ $13.49 · Sale (S): 11,784 @ $15.28EDGAR
2026-08-044BlackRock Portfolio Management LLC — 10% ownerSale (S): 35,574 @ $15.14 · Sale (S): 13,754 @ $15.03EDGAR
2026-07-314BlackRock Portfolio Management LLC — 10% ownerSale (S): 63,390 @ $15.31 · Sale (S): 140,823 @ $15.18EDGAR
2026-07-104AEROEQUITY GP, LLC — 10% owner
GREENE MICHAEL ROBERT — 10% owner
ROWE DAVID H. — 10% owner
Grant/award (A): 2,289,366 @ $34EDGAR
2026-06-294/AAEROEQUITY GP, LLC — 10% owner
GREENE MICHAEL ROBERT — 10% owner
ROWE DAVID H. — 10% owner
Grant/award (A): 430,134 @ $34EDGAR
2026-06-054AEROEQUITY GP, LLC — 10% owner
GREENE MICHAEL ROBERT — 10% owner
ROWE DAVID H. — 10% owner
Grant/award (A): 287,789 @ $34EDGAR
2026-04-144Davidson Janine — DirectorGrant/award (A): 4,381 @ $0EDGAR
2026-03-114/AWallinger Dirk — Chief Executive Officer, DirectorGrant/award (A): 211,176 @ $0EDGAR
2026-02-034Messerle Kevin — Chief Financial OfficerGrant/award (A): 80,882 @ $0EDGAR
2026-02-034McConville James — DirectorGrant/award (A): 5,294 @ $0EDGAR
2026-02-034Wallinger Dirk — Chief Executive Officer, DirectorGrant/award (A): 569,920 @ $0EDGAR
2026-02-034Letarte Tyler — DirectorGrant/award (A): 5,294 @ $0 · Purchase (P): 1,470 @ $34EDGAR
2026-02-034Boyd Andrew — DirectorGrant/award (A): 5,294 @ $0EDGAR
2026-02-034Palko Monica J. — See RemarksGrant/award (A): 54,412 @ $0EDGAR
2026-02-034Rudra Devjyoti — Chief Supply Chain OfficerGrant/award (A): 23,529 @ $0EDGAR
2026-02-034BlackRock Portfolio Management LLC — 10% ownerPurchase (P): 752,500 @ $34EDGAR
2026-02-034Brothers Louis R Jr — DirectorGrant/award (A): 5,294 @ $0EDGAR
2026-02-034Konert Kirk Michael — DirectorGrant/award (A): 5,294 @ $0EDGAR
2026-02-034Erwin Tami A. — DirectorGrant/award (A): 5,294 @ $0 · Purchase (P): 2,941 @ $34EDGAR
2026-02-034Frantz Brian D — Chief Accounting OfficerGrant/award (A): 10,294 @ $0EDGAR

Recent 8-K events — York Space Systems Inc.

FiledFormItems reportedSource
2026-08-138-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-08-058-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
2026-06-048-K/A3.02 — Unregistered Sales of Equity SecuritiesEDGAR
2026-05-198-K3.02 — Unregistered Sales of Equity SecuritiesEDGAR
2026-05-148-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-04-298-K1.01 — Entry into a Material Definitive Agreement
3.02 — Unregistered Sales of Equity Securities
9.01 — Financial Statements and Exhibits
EDGAR
2026-04-148-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain OfficersEDGAR
2026-03-198-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-03-108-K3.02 — Unregistered Sales of Equity SecuritiesEDGAR
2026-01-308-K1.01 — Entry into a Material Definitive Agreement
3.03 — Material Modification to Rights of Security Holders
5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
9.01 — Financial Statements and Exhibits
EDGAR
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