Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of York Space Systems Inc. (YSS) since 2026 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of York Space Systems Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 2086587.
Total stock buying since 2026: $25,734,974.
Total stock sales since 2026: $18,402,332.
Total stock option exercises since 2026: $0.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2026 | 756,911 | $25,734,974 | 1,317,214 | $18,402,332 | 0 | $0 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2026-08 | 0 | $0 | 1,077,427 | $14,755,549 | 0 | $0 |
| 2026-07 | 0 | $0 | 239,787 | $3,646,783 | 0 | $0 |
| 2026-01 | 756,911 | $25,734,974 | 0 | $0 | 0 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2026-08-07 | Blackrock Portfolio Management Llc (10% Owner) | Sale | 200,170 | 10.99 | 2,199,868 |
| 2026-08-06 | Blackrock Portfolio Management Llc (10% Owner) | Sale | 201,504 | 11.60 | 2,337,446 |
| 2026-08-05 | Blackrock Portfolio Management Llc (10% Owner) | Sale | 127,946 | 14.38 | 1,840,503 |
| 2026-08-04 | Blackrock Portfolio Management Llc (10% Owner) | Sale | 534,053 | 15.30 | 8,171,010 |
| 2026-08-03 | Blackrock Portfolio Management Llc (10% Owner) | Sale | 13,754 | 15.03 | 206,722 |
| 2026-07-31 | Blackrock Portfolio Management Llc (10% Owner) | Sale | 35,574 | 15.14 | 538,590 |
| 2026-07-30 | Blackrock Portfolio Management Llc (10% Owner) | Sale | 140,823 | 15.18 | 2,137,693 |
| 2026-07-29 | Blackrock Portfolio Management Llc (10% Owner) | Sale | 63,390 | 15.31 | 970,500 |
| 2026-01-30 | Letarte Tyler | Buy | 1,470 | 34.00 | 49,980 |
| 2026-01-30 | Blackrock Portfolio Management Llc | Buy | 752,500 | 34.00 | 25,585,000 |
| 2026-01-30 | Erwin Tami A. | Buy | 2,941 | 34.00 | 99,994 |
Insider trading activities including stock purchases, stock sales, and option exercises of YSS listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of York Space Systems Inc. (symbol YSS, CIK number 2086587) see the Securities and Exchange Commission (SEC) website.