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sellWeak

BlackRock Portfolio Management LLC sold $10M of YSS

owner at York Space Systems Inc.. 674,604 shares at an average of $15.15, traded Aug 4, 2026, filed Aug 10, 2026.

Warning score
37
Value
$10M
674,604 shares
Holdings after
16,918,789
-4% from before
From 52-week low
+7%
low $14.28, close $15.31
From 52-week high
-65%
high $43.45, as of Aug 4, 2026

Score components

  • Role
    10% owner
    +12
  • Trade size
    $10.2M at market
    +25
  • Share of holdings sold
    Sold 3.8% of holdings
    0
  • Cluster
    No other insider selling within 14 days
    0

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

YSSOct 9, 2026 · close 7.11
Since filing Aug 10, 2026: -32.2%SPY +0.9% · excess -33.1%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0002052113-26-000810, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 4, 2026SOpen-market sale
Common Stockindirect: See footnotes
-78,082$15.02$1.2M17,515,311Aug 10, 2026
Aug 4, 2026SOpen-market sale
Common Stockindirect: See footnotes
-468,476$15.58$7.3M17,046,835Aug 10, 2026
Aug 5, 2026SOpen-market sale
Common Stockindirect: See footnotes
-116,162$13.49$1.6M16,930,673Aug 10, 2026
Aug 5, 2026SOpen-market sale
Common Stockindirect: See footnotes
-11,884$15.28$182k16,918,789Aug 10, 2026

Related signals

Other insiders at York Space Systems Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
37Weak
YSSsell
York Space Systems Inc.
BlackRock Portfolio Management LLC
owner
$4.5M
401,674 shares
-2%
37Weak
YSSsell
York Space Systems Inc.
BlackRock Portfolio Management LLC
owner
$10M
661,999 shares
-4%
33Weak
YSSsell
York Space Systems Inc.
BlackRock Portfolio Management LLC
owner
$745k
49,328 shares
-0%
37Weak
YSSsell
York Space Systems Inc.
BlackRock Portfolio Management LLC
owner
$3.1M
204,213 shares
-1%
47Moderate
YSSbuy 3
York Space Systems Inc.
BlackRock Portfolio Management LLC
owner
$26M
752,500 shares
+4%
40Moderate
YSSbuy 3
York Space Systems Inc.
Tami A. Erwin
director
$100k
2,941 shares
+4%
45Moderate
YSSbuy 3
York Space Systems Inc.
Tyler Letarte
director
$50k
1,470 shares
-

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

BlackRock Portfolio Management LLC sold $10M of YSS | InsiderTell