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YSS insider trading

York Space Systems Inc. — open-market insider buys and $1M+ sells from SEC Forms 3, 4 and 5.
Insider buys · 24 mo
3
Bought · 24 mo
$25.7M
Buys · last 90 days
0 · $0
Most recent buy
2026-02-03

Cluster buy detected

3 insiders bought YSS within a short window (2026-01-30), $25.7M in total — cluster score 42/100. Members see the buyers, the score breakdown and the chart.

See the cluster

Recent insider filings

FiledInsiderTypeSharesPriceValue
2026-08-10BlackRock Portfolio Management LLC
10% owner
Sold662,720$15.15$10.0M
2026-08-10BlackRock Portfolio Management LLC
10% owner
Sold401,674$11.30$4.5M
2026-08-06BlackRock Portfolio Management LLC
10% owner
Sold650,215$15.14$9.8M
2026-07-31BlackRock Portfolio Management LLC
10% owner
Sold140,823$15.18$2.1M
2026-02-03Erwin Tami A.cluster
Director
Bought2,941$34.00$100k
2026-02-03Letarte Tylercluster
Director
Bought1,470$34.00$50k
2026-02-03BlackRock Portfolio Management LLCcluster
10% owner
Bought752,500$34.00$25.6M

Most active insider buyers

InsiderRoleBuysTotal bought
BlackRock Portfolio Management LLC10% owner1$25.6M
Erwin Tami A.Director1$100k
Letarte TylerDirector1$50k

See YSS on the chart

Every insider buy and sell for YSS plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.

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Data from the SEC EDGAR ownership filings, refreshed daily. Only open-market purchases (transaction code P) and sales of $1M or more are shown; grants, option exercises and tax withholding are excluded because they run on schedules set years earlier. Not investment advice.