16 insiders reported 19 Form 4 transactions for York Space Systems Inc. (YSS) over the past 18 months (most recent 2026-06-05). Recent activity: ROWE DAVID H. (Insider) Buy 287,789 shares, AEROEQUITY GP, LLC (Insider) Buy 287,789 shares, GREENE MICHAEL ROBERT (Insider) Buy 287,789 shares, Davidson Janine (Director) Buy 4,381 shares, Wallinger Dirk (Chief Executive Officer) Buy 211,176 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-05 | ROWE DAVID H. | Insider | Buy | 287,789 | $9.8M |
| 2026-06-05 | AEROEQUITY GP, LLC | Insider | Buy | 287,789 | $9.8M |
| 2026-06-05 | GREENE MICHAEL ROBERT | Insider | Buy | 287,789 | $9.8M |
| 2026-04-14 | Davidson Janine | Director | Buy | 4,381 | $0 |
| 2026-03-11 | Wallinger Dirk | Chief Executive Officer | Buy | 211,176 | $0 |
| 2026-02-03 | McConville James | Director | Buy | 5,294 | $0 |
| 2026-02-03 | Boyd Andrew | Director | Buy | 5,294 | $0 |
| 2026-02-03 | Rudra Devjyoti | Chief Supply Chain Officer | Buy | 23,529 | $0 |
| 2026-02-03 | Erwin Tami A. | Director | Buy | 5,294 | $0 |
| 2026-02-03 | Erwin Tami A. | Director | Buy | 2,941 | $99,994 |
| 2026-02-03 | Palko Monica J. | See Remarks | Buy | 54,412 | $0 |
| 2026-02-03 | Wallinger Dirk | Chief Executive Officer | Buy | 569,920 | $0 |
| 2026-02-03 | Letarte Tyler | Director | Buy | 5,294 | $0 |
| 2026-02-03 | Letarte Tyler | Director | Buy | 1,470 | $49,980 |
| 2026-02-03 | Messerle Kevin | Chief Financial Officer | Buy | 80,882 | $0 |
| 2026-02-03 | Frantz Brian D | Chief Accounting Officer | Buy | 10,294 | $0 |
| 2026-02-03 | BlackRock Portfolio Management LLC | Insider | Buy | 752,500 | $25.6M |
| 2026-02-03 | Konert Kirk Michael | Director | Buy | 5,294 | $0 |
| 2026-02-03 | Brothers Louis R Jr | Director | Buy | 5,294 | $0 |
Source: SEC Form 4 filings · as of 2026-06-05