York Space Systems Inc (YSS) insider trading
Every open-market stock purchase and sale by York Space Systems Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- BlackRock Portfolio Management LLC (10% owner) sold $28.6M in the last 90 days.
- Last insider buy: BlackRock Portfolio Management LLC (Insider), $25.6M, 8 months ago.
Last 12 months: insiders bought $25.7M (3 buys) and sold $28.6M (5 sales). Last close $11.04 on Aug 12, 2026.
Recent YSS insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Aug 7, 2026 | BlackRock Portfolio Management LLC (10% owner) | Sold | $2.2M |
| Aug 6, 2026 | BlackRock Portfolio Management LLC (10% owner) | Sold | $2.3M |
| Aug 5, 2026 | BlackRock Portfolio Management LLC (10% owner) | Sold | $1.6M |
| Aug 5, 2026 | BlackRock Portfolio Management LLC (10% owner) | Sold | $1.6M |
| Aug 5, 2026 | BlackRock Portfolio Management LLC (10% owner) | Sold | $182K |
| Aug 5, 2026 | BlackRock Portfolio Management LLC (10% owner) | Sold | $180K |
| Aug 4, 2026 | BlackRock Portfolio Management LLC (10% owner) | Sold | $7.3M |
| Aug 4, 2026 | BlackRock Portfolio Management LLC (10% owner) | Sold | $7.1M |
| Aug 4, 2026 | BlackRock Portfolio Management LLC (10% owner) | Sold | $1.2M |
| Aug 4, 2026 | BlackRock Portfolio Management LLC (10% owner) | Sold | $1.2M |
| Aug 3, 2026 | BlackRock Portfolio Management LLC (10% owner) | Sold | $207K |
| Jul 31, 2026 | BlackRock Portfolio Management LLC (10% owner) | Sold | $539K |
| Jul 30, 2026 | BlackRock Portfolio Management LLC (10% owner) | Sold | $2.1M |
| Jul 29, 2026 | BlackRock Portfolio Management LLC (10% owner) | Sold | $971K |
| Jun 4, 2026 | Aeroequity GP LLC (10% owner) | Bought (not open market) | $14.6M |
| Jun 4, 2026 | Aeroequity GP LLC (10% owner) | Bought (not open market) | $9.8M |
| Apr 10, 2026 | Janine Davidson (Insider) | Bought (not open market) | — |
| Jan 30, 2026 | BlackRock Portfolio Management LLC (Insider) | Bought | $25.6M |
| Jan 30, 2026 | Tami A. Erwin (Insider) | Bought | $100K |
| Jan 30, 2026 | Tyler Letarte (Insider) | Bought | $50K |
| Jan 30, 2026 | Monica J. Palko (Insider) | Bought (not open market) | — |
| Jan 30, 2026 | Kevin Messerle (CFO) | Bought (not open market) | — |
| Jan 30, 2026 | Tami A. Erwin (Insider) | Bought (not open market) | — |
| Jan 30, 2026 | Louis R Brothers Jr (Insider) | Bought (not open market) | — |
| Jan 30, 2026 | Tyler Letarte (Insider) | Bought (not open market) | — |
Who's trading YSS
- BlackRock Portfolio Management LLC, 10% owner: bought $25.6M (1 buy), sold $28.6M (14 sales), last Aug 7, 2026
- Aeroequity GP LLC, 10% owner: other filings, last Jun 4, 2026
- Janine Davidson, Insider: other filings, last Apr 10, 2026
- Tami A. Erwin, Insider: bought $100K (1 buy), last Jan 30, 2026
- Brian D Frantz, C-suite exec: other filings, last Jan 30, 2026
- Kirk Michael Konert, Insider: other filings, last Jan 30, 2026
- Tyler Letarte, Insider: bought $50K (1 buy), last Jan 30, 2026
- James McConville, Insider: other filings, last Jan 30, 2026
- Kevin Messerle, CFO: other filings, last Jan 30, 2026
- Monica J. Palko, Insider: other filings, last Jan 30, 2026
- Devjyoti Rudra, Officer: other filings, last Jan 30, 2026
- Dirk Wallinger, CEO: other filings, last Jan 30, 2026
- Andrew Boyd, Insider: other filings, last Jan 30, 2026
- Louis R Brothers Jr, Insider: other filings, last Jan 30, 2026
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