MetaCap

York Space Systems Insider Trades

NYSE: YSSIndustrialsMilitary/Government/TechnicalUSD

7.11-0.12 (-1.66%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Last 12 months

Purchases
3 · $25.73M
Sales
14 · $28.64M
Shares bought / sold
756.91K / 1.99M
Net activity
Net selling $2.9 million

York Space Systems insider activity

Over the last 12 months, York Space Systems insiders reported 33 transactions on SEC Form 4: 3 open-market purchases and 14 sales. Insiders bought $25.7 million and sold $28.6 million worth of stock, for net insider selling of $2.9 million. The largest seller was BlackRock Portfolio Management LLC, with $28.6 million in reported sales.

The most recent filing shows BlackRock Portfolio Management LLC (10% Owner) selling 200,170 shares at $10.99 on Aug 7, 2026. Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put YSS's ownership changes in context.

Summary generated from market data by MetaCap's automated system. Methodology

YSS insider transactions

York Space Systems insider transactions
DateInsiderTypeSharesValueFiling
Aug 7, 2026BlackRock Portfolio Management LLC10% OwnerSale200,170$2.20MForm 4
Aug 6, 2026BlackRock Portfolio Management LLC10% OwnerSale201,504$2.34MForm 4
Aug 5, 2026BlackRock Portfolio Management LLC10% OwnerSale11,784$180.06KForm 4
Aug 5, 2026BlackRock Portfolio Management LLC10% OwnerSale116,162$1.57MForm 4
Aug 5, 2026BlackRock Portfolio Management LLC10% OwnerSale11,884$181.59KForm 4
Aug 5, 2026BlackRock Portfolio Management LLC10% OwnerSale116,162$1.57MForm 4
Aug 4, 2026BlackRock Portfolio Management LLC10% OwnerSale456,310$7.11MForm 4
Aug 4, 2026BlackRock Portfolio Management LLC10% OwnerSale77,743$1.17MForm 4
Aug 4, 2026BlackRock Portfolio Management LLC10% OwnerSale468,476$7.30MForm 4
Aug 4, 2026BlackRock Portfolio Management LLC10% OwnerSale78,082$1.17MForm 4
Aug 3, 2026BlackRock Portfolio Management LLC10% OwnerSale13,754$206.72KForm 4
Jul 31, 2026BlackRock Portfolio Management LLC10% OwnerSale35,574$538.59KForm 4
Jul 30, 2026BlackRock Portfolio Management LLC10% OwnerSale140,823$2.14MForm 4
Jul 29, 2026BlackRock Portfolio Management LLC10% OwnerSale63,390$970.50KForm 4
Jul 8, 2026AEROEQUITY GP, LLC & GREENE MICHAEL ROBERT & ROWE DAVID H.10% OwnerAward2,289,366$77.84MForm 4
Jun 4, 2026AEROEQUITY GP, LLC & GREENE MICHAEL ROBERT & ROWE DAVID H.10% OwnerAward287,789$9.78MForm 4
Jun 4, 2026AEROEQUITY GP, LLC & GREENE MICHAEL ROBERT & ROWE DAVID H.10% OwnerAward430,134$14.62MForm 4
Apr 10, 2026Davidson JanineDirectorAward4,381—Form 4
Jan 30, 2026Rudra DevjyotiChief Supply Chain OfficerAward23,529—Form 4
Jan 30, 2026Letarte TylerDirectorBuy1,470$49.98KForm 4
Jan 30, 2026Letarte TylerDirectorAward5,294—Form 4
Jan 30, 2026McConville JamesDirectorAward5,294—Form 4
Jan 30, 2026BlackRock Portfolio Management LLC10% OwnerBuy752,500$25.59MForm 4
Jan 30, 2026Palko Monica J.See RemarksAward54,412—Form 4
Jan 30, 2026Brothers Louis R JrDirectorAward5,294—Form 4
Jan 30, 2026Boyd AndrewDirectorAward5,294—Form 4
Jan 30, 2026Konert Kirk MichaelDirectorAward5,294—Form 4
Jan 30, 2026Wallinger DirkChief Executive OfficerAward569,920—Form 4
Jan 30, 2026Messerle KevinChief Financial OfficerAward80,882—Form 4
Jan 30, 2026Frantz Brian DChief Accounting OfficerAward10,294—Form 4
Jan 30, 2026Erwin Tami A.DirectorBuy2,941$99.99KForm 4
Jan 30, 2026Erwin Tami A.DirectorAward5,294—Form 4
Jan 30, 2026Wallinger DirkChief Executive OfficerAward211,176—Form 4

Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4

Related