York Space Systems (YSS) insider trading in the last 6 months

Form 4 filings, newest first

Quality Score today -2

One insider sold $18.4M. No buys.

SellBlackRock Portfolio Management LLC$2.3M10% ownerat $11.60 on Aug 6, filed Aug 10

SellBlackRock Portfolio Management LLC10% owner$2.3Mat $11.60 on Aug 6, filed Aug 10

SellBlackRock Portfolio Management LLC$2.2M10% ownerat $10.99 on Aug 7, filed Aug 10

SellBlackRock Portfolio Management LLC10% owner$2.2Mat $10.99 on Aug 7, filed Aug 10

SellBlackRock Portfolio Management LLC$7.1M10% ownerat $15.58 on Aug 4, filed Aug 6

SellBlackRock Portfolio Management LLC10% owner$7.1Mat $15.58 on Aug 4, filed Aug 6

From SEC Form 4s, the newest filed Aug 10, 2026 · Insiders have 2 business days to file a trade

7 more filings on YSS in the last 6 months, for Pro members. See them free →

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Questions about YSS's insider trades

As of Oct 26, 2026: York Space Systems (YSS) has 10 insider filings on record in the last 6 months, the newest filed Aug 10, 2026. Its Quality Score is -2 (Poor). Scores as of 10:16 PM ET, 15 minutes behind.

Are YSS insiders buying or selling?

One insider sold $18.4M across 10 filings in the last 6 months. No open-⁠market buys on record. The newest filing: BlackRock Portfolio Management LLC, 10% owner, sold $2.3M on Aug 6, 2026.

Who are YSS's biggest insider sellers?

The one insider who sold YSS in the last 6 months: BlackRock Portfolio Management LLC (10% owner), 10 sales.

When did a YSS insider last buy?

No YSS insider bought shares on the open market in the last 6 months, as filed on Form 4. The newest filing is a sale by BlackRock Portfolio Management LLC on Aug 6, 2026.

York Space Systems's page has its Quality Score, its chart, and its earnings. More in Industrials and Guided Missiles & Space Vehicles & Parts.