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 →
Insider transaction summary — last 90 days
2026-06-25 to 2026-09-23, from the filings listed below: 7 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 14 legs across 5 filings by 1 insider — 1,991,818 shares, $28,635,177 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 2.
- Largest priced transaction: sale of 468,476 shares @ $15.58 ($7,298,856) by BlackRock Portfolio Management LLC, filed 2026-08-10.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| BlackRock Portfolio Management LLC — 10% owner | 5 | — | 14 legs · 1,991,818 sh · $28,635,177 | — |
| AEROEQUITY GP, LLC — 10% owner & GREENE MICHAEL ROBERT — 10% owner & ROWE DAVID H. — 10% owner | 2 | — | — | 2 |
Recent Form 4 filings — York Space Systems Inc.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-10 | 4 | BlackRock Portfolio Management LLC — 10% owner | Sale (S): 201,504 @ $11.60 · Sale (S): 200,170 @ $10.99 | EDGAR |
| 2026-08-10 | 4/A | BlackRock Portfolio Management LLC — 10% owner | Sale (S): 78,082 @ $15.02 · Sale (S): 468,476 @ $15.58 · Sale (S): 116,162 @ $13.49 · Sale (S): 11,884 @ $15.28 | EDGAR |
| 2026-08-06 | 4 | BlackRock Portfolio Management LLC — 10% owner | Sale (S): 77,743 @ $15.02 · Sale (S): 456,310 @ $15.58 · Sale (S): 116,162 @ $13.49 · Sale (S): 11,784 @ $15.28 | EDGAR |
| 2026-08-04 | 4 | BlackRock Portfolio Management LLC — 10% owner | Sale (S): 35,574 @ $15.14 · Sale (S): 13,754 @ $15.03 | EDGAR |
| 2026-07-31 | 4 | BlackRock Portfolio Management LLC — 10% owner | Sale (S): 63,390 @ $15.31 · Sale (S): 140,823 @ $15.18 | EDGAR |
| 2026-07-10 | 4 | AEROEQUITY GP, LLC — 10% owner GREENE MICHAEL ROBERT — 10% owner ROWE DAVID H. — 10% owner | Grant/award (A): 2,289,366 @ $34 | EDGAR |
| 2026-06-29 | 4/A | AEROEQUITY GP, LLC — 10% owner GREENE MICHAEL ROBERT — 10% owner ROWE DAVID H. — 10% owner | Grant/award (A): 430,134 @ $34 | EDGAR |
| 2026-06-05 | 4 | AEROEQUITY GP, LLC — 10% owner GREENE MICHAEL ROBERT — 10% owner ROWE DAVID H. — 10% owner | Grant/award (A): 287,789 @ $34 | EDGAR |
| 2026-04-14 | 4 | Davidson Janine — Director | Grant/award (A): 4,381 @ $0 | EDGAR |
| 2026-03-11 | 4/A | Wallinger Dirk — Chief Executive Officer, Director | Grant/award (A): 211,176 @ $0 | EDGAR |
| 2026-02-03 | 4 | Messerle Kevin — Chief Financial Officer | Grant/award (A): 80,882 @ $0 | EDGAR |
| 2026-02-03 | 4 | McConville James — Director | Grant/award (A): 5,294 @ $0 | EDGAR |
| 2026-02-03 | 4 | Wallinger Dirk — Chief Executive Officer, Director | Grant/award (A): 569,920 @ $0 | EDGAR |
| 2026-02-03 | 4 | Letarte Tyler — Director | Grant/award (A): 5,294 @ $0 · Purchase (P): 1,470 @ $34 | EDGAR |
| 2026-02-03 | 4 | Boyd Andrew — Director | Grant/award (A): 5,294 @ $0 | EDGAR |
| 2026-02-03 | 4 | Palko Monica J. — See Remarks | Grant/award (A): 54,412 @ $0 | EDGAR |
| 2026-02-03 | 4 | Rudra Devjyoti — Chief Supply Chain Officer | Grant/award (A): 23,529 @ $0 | EDGAR |
| 2026-02-03 | 4 | BlackRock Portfolio Management LLC — 10% owner | Purchase (P): 752,500 @ $34 | EDGAR |
| 2026-02-03 | 4 | Brothers Louis R Jr — Director | Grant/award (A): 5,294 @ $0 | EDGAR |
| 2026-02-03 | 4 | Konert Kirk Michael — Director | Grant/award (A): 5,294 @ $0 | EDGAR |
| 2026-02-03 | 4 | Erwin Tami A. — Director | Grant/award (A): 5,294 @ $0 · Purchase (P): 2,941 @ $34 | EDGAR |
| 2026-02-03 | 4 | Frantz Brian D — Chief Accounting Officer | Grant/award (A): 10,294 @ $0 | EDGAR |
Recent 8-K events — York Space Systems Inc.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-13 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-05 | 8-K | 5.02 — 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 |
| 2026-06-04 | 8-K/A | 3.02 — Unregistered Sales of Equity Securities | EDGAR |
| 2026-05-19 | 8-K | 3.02 — Unregistered Sales of Equity Securities | EDGAR |
| 2026-05-14 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-04-29 | 8-K | 1.01 — Entry into a Material Definitive Agreement 3.02 — Unregistered Sales of Equity Securities 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-04-14 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-03-19 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-10 | 8-K | 3.02 — Unregistered Sales of Equity Securities | EDGAR |
| 2026-01-30 | 8-K | 1.01 — 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 |
Need this as JSON?
GET https://api.filingpulse.io/v1/insider-trades?ticker=YSS returns every filing on this page — normalized, with footnotes and derivative legs — and webhooks push new ones to you in seconds. API docs →