BlackRock Portfolio Management LLC

YSS

BlackRock Portfolio Management LLC serves as 10 percent owner at York Space Systems, Inc. (YSS). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

4 trades

$27.07M

Net Position

Net Seller

$27.07M

Companies Traded

YSS

Active Period

Jul 2026 – Aug 2026

4 total trades

Most Recent

Sell YSS

Aug 10, 2026 · $13.19M

BlackRock Portfolio Management LLC's Insider Trading at York Space Systems, Inc. (YSS)

Buys

0 · $0.00

Sells

4 · $27.07M

Total Shares Bought

Total Shares Sold

1,875,656

YSS Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Aug 10, 2026	Sell	960,116	$13.74	$13.19M	17,515,312
Aug 6, 2026	Sell	661,999	$15.14	$10.02M	17,515,650
Aug 4, 2026	Sell	49,328	$15.11	$745.3K	17,607,148
Jul 31, 2026	Sell	204,213	$15.22	$3.11M	17,783,544

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Tami A. Erwin

Director

YSSBuy · Jan 30, 2026

Tyler Letarte

Director

YSSBuy · Jan 30, 2026

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YSS Insider Trading Activity

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