InsiderFlow

YSS

York Space Systems, Inc.$7.78+0.07 (+0.84%)
Prev Close$7.71·MCap$1.18B·P/E·Vol1.85M·Yield

Buys (12M)

2

$150.0K

Sells (12M)

4

$27.07M

Net Activity

Net Seller

$26.92M

Active Insiders

3

last 12 mo

Over the past 12 months, insider activity at York Space Systems, Inc. (YSS) has been dominated by selling, with 2 insider purchases totaling $150.0K and 4 insider sales totaling $27.07M. The most recent insider transaction was by BlackRock Portfolio Management LLC (10 percent owner), who sold $13.19M worth of shares on Aug 10, 2026. York Space Systems, Inc. operates in the Industrials sector, within the Aerospace & Defense industry, with a market cap of $1.18B.

YSS Insider Trading Activity

DateInsiderTypeValue
Aug 10, 2026 BlackRock Portfolio Management LLCSell$13.19M0.7% OS
Aug 6, 2026 BlackRock Portfolio Management LLCSell$10.02M0.5% OS
Aug 4, 2026 BlackRock Portfolio Management LLCSell$745.3K
Jul 31, 2026 BlackRock Portfolio Management LLCSell$3.11M
Jan 30, 2026 Erwin Tami A.Buy$100.0K
Jan 30, 2026 Letarte TylerBuy$50.0K

YSS Insider Buying Activity

The following table shows recent insider purchases of York Space Systems, Inc. (YSS) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Jan 30, 2026 Erwin Tami A.Buy$100.0K
Jan 30, 2026 Letarte TylerBuy$50.0K

YSS Insider Selling Activity

The following table shows recent insider sales of York Space Systems, Inc. (YSS) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Aug 10, 2026 BlackRock Portfolio Management LLCSell$13.19M0.7% OS
Aug 6, 2026 BlackRock Portfolio Management LLCSell$10.02M0.5% OS
Aug 4, 2026 BlackRock Portfolio Management LLCSell$745.3K
Jul 31, 2026 BlackRock Portfolio Management LLCSell$3.11M

YSS Insiders

BlackRock Portfolio Management LLC

10 percent owner

Sold $27.07M
4 tradesLast: Aug 10, 2026
Letarte Tyler

Director

Bought $50.0K
1 tradesLast: Jan 30, 2026
Erwin Tami A.

Director

Bought $100.0K
1 tradesLast: Jan 30, 2026