York Space Systems (YSS) stock: insider trades, news & valuation
Strong buyingShare price and insider trades
York Space Systems insider trading at a glance (Oct 9, 2026): in the past 12 months, 3 insiders bought $25.7M and 1 sold $28.6M of YSS stock on the open market, including a cluster buy that began Jan 30, 2026.
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YSS insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | — | 0 | $28.6M | 14 |
| Q2 2026 | — | 0 | — | 0 |
| Q1 2026 | $25.7M | 3 | — | 0 |
Valuation, profit and volume
Summary
Over the past 12 months, 3 York Space Systems Inc. insiders reported open-market purchases totaling $25.7M, while 1 insider reported sales totaling $28.6M. The most recent cluster buy began on Jan 30, 2026, when 3 insiders bought a combined $25.7M. 0 of 14 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Aug 10SEC | Blackrock Portfolio Management Llc10% Owner | Sell | 468,47617,046,835 held (−3%) | $15.58 | $7.3M | -54.4% | — |
| Aug 10SEC | Blackrock Portfolio Management Llc10% Owner | Sell | 201,50416,717,285 held (−1%) | $11.60 | $2.3M | -38.7% | — |
| Aug 10SEC | Blackrock Portfolio Management Llc10% Owner | Sell | 200,17016,517,115 held (−1%) | $10.99 | $2.2M | -35.3% | — |
| Aug 10SEC | Blackrock Portfolio Management Llc10% Owner | Sell | 116,16216,930,673 held (−1%) | $13.49 | $1.6M | -47.3% | — |
| Aug 10SEC | Blackrock Portfolio Management Llc10% Owner | Sell | 78,08217,515,311 held (−0%) | $15.02 | $1.2M | -52.7% | — |
| Aug 10SEC | Blackrock Portfolio Management Llc10% Owner | Sell | 11,88416,918,789 held (−0%) | $15.28 | $182K | -53.5% | — |
| Aug 6SEC | Blackrock Portfolio Management Llc10% Owner | Sell | 456,31017,059,340 held (−3%) | $15.58 | $7.1M | -54.4% | — |
| Aug 6SEC | Blackrock Portfolio Management Llc10% Owner | Sell | 116,16216,943,178 held (−1%) | $13.49 | $1.6M | -47.3% | — |
| Aug 6SEC | Blackrock Portfolio Management Llc10% Owner | Sell | 77,74317,515,650 held (−0%) | $15.02 | $1.2M | -52.7% | — |
| Aug 6SEC | Blackrock Portfolio Management Llc10% Owner | Sell | 11,78416,931,394 held (−0%) | $15.28 | $180K | -53.5% | — |
| Aug 4SEC | Blackrock Portfolio Management Llc10% Owner | Sell | 35,57417,607,147 held (−0%) | $15.14 | $539K | -53.0% | — |
| Aug 4SEC | Blackrock Portfolio Management Llc10% Owner | Sell | 13,75417,593,393 held (−0%) | $15.03 | $207K | -52.7% | — |
| Jul 31SEC | Blackrock Portfolio Management Llc10% Owner | Sell | 140,82317,642,721 held (−1%) | $15.18 | $2.1M | -53.2% | — |
| Jul 31SEC | Blackrock Portfolio Management Llc10% Owner | Sell | 63,39017,783,544 held (−0%) | $15.31 | $971K | -53.6% | — |
| Feb 3SEC | Blackrock Portfolio Management Llc10% Owner | Buy | 752,50017,846,934 held (+4%) | $34.00 | $25.6M | -79.1% | — |
| Feb 3SEC | Tami A. ErwinDirector | Buy | 2,94179,984 held (+4%) | $34.00 | $100K | -79.1% | — |
| Feb 3SEC | Tyler LetarteDirector | Buy | 1,470new position | $34.00 | $50K | -79.1% | — |
Insiders at York Space Systems Inc.
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Blackrock Portfolio Management Llc10% Owner | $25.6M | $28.6M | Aug 10, 2026 | — |
| Tami A. ErwinDirector | $100K | — | Feb 3, 2026 | — |
| Tyler LetarteDirector | $50K | — | Feb 3, 2026 | — |
YSS stock: common questions
Are York Space Systems Inc. insiders buying YSS stock?
In the past 12 months, 3 insiders reported open-market purchases of YSS worth $25.7M. The latest was 10% Owner Blackrock Portfolio Management Llc bought $25.6M of YSS at $34.00 — first open-market purchase in our records.
Are York Space Systems Inc. insiders selling YSS stock?
1 insiders reported sales worth $28.6M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is YSS's 52-week range?
Over the past year YSS has traded between $7.11 and $43.45. It last closed at $7.11 on Oct 9, 2026.