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York Space Systems Inc.

YSS Net buying
CIK 0002086587 #2387 in the set updated 17 Sep 2026
Bought (120 mo)
$25.73M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$18.41M
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$18.41M
10 of 10 sales
Net
+$7.32M
+$7.32M against sales at will

By person

14 insiders · 13 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
BlackRock Portfolio Management LLC entity
10% owner
$25.59M (1)
$18.41M (10)
+$7.17M
16,517,115
12.02%
$181.52M
−3.3%
Erwin Tami A.
Director
$99.99K (1)
—
+$99.99K
79,984
0.0582%
$879.02K
+11.5%
Letarte Tyler
Director
$49.98K (1)
—
+$49.98K
6,764
0.0049%
$74.34K
—
AEROEQUITY GP, LLC entity
10% owner
—
—
—
32,915,588
23.96%
$361.74M
+8.5%
Wallinger Dirk
Chief Executive Officer
—
—
—
10,141,966
7.38%
$111.46M
+6.0%
Rudra Devjyoti
Chief Supply Chain Officer
—
—
—
358,357
0.2609%
$3.94M
+7.0%
Messerle Kevin
Chief Financial Officer
—
—
—
80,882
0.0589%
$888.89K
—
Palko Monica J.
See Remarks
—
—
—
54,412
0.0396%
$597.99K
—
Frantz Brian D
Chief Accounting Officer
—
—
—
16,000
0.0116%
$175.84K
+180.4%
Brothers Louis R Jr
Director
—
—
—
5,294
0.0039%
$58.18K
—
McConville James
Director
—
—
—
5,294
0.0039%
$58.18K
—
Konert Kirk Michael
Director
—
—
—
5,294
0.0039%
$58.18K
—
Boyd Andrew
Director
—
—
—
5,294
0.0039%
$58.18K
—
Davidson Janine
Director
—
—
—
4,381
0.0032%
$48.15K
—

Individual transactions

13
Insider
Date
Role
Action
Shares
Price
Amount
BlackRock Portfolio Management LLC
7 Aug 2026
10% owner
Sell indirect
200,170
$10.99
$2.20M
BlackRock Portfolio Management LLC
6 Aug 2026
10% owner
Sell indirect
201,504
$11.60
$2.34M
BlackRock Portfolio Management LLC
5 Aug 2026
10% owner
Sell indirect
11,784
$15.28
$180.06K
BlackRock Portfolio Management LLC
5 Aug 2026
10% owner
Sell indirect
116,162
$13.49
$1.57M
BlackRock Portfolio Management LLC
4 Aug 2026
10% owner
Sell indirect
456,310
$15.58
$7.11M
BlackRock Portfolio Management LLC
4 Aug 2026
10% owner
Sell indirect
77,743
$15.02
$1.17M
BlackRock Portfolio Management LLC
3 Aug 2026
10% owner
Sell indirect
13,754
$15.03
$206.72K
BlackRock Portfolio Management LLC
31 Jul 2026
10% owner
Sell indirect
35,574
$15.14
$538.59K
BlackRock Portfolio Management LLC
30 Jul 2026
10% owner
Sell indirect
140,823
$15.18
$2.14M
BlackRock Portfolio Management LLC
29 Jul 2026
10% owner
Sell indirect
63,390
$15.31
$970.50K
BlackRock Portfolio Management LLC
30 Jan 2026
10% owner
Buy indirect
752,500
$34.00
$25.59M
Letarte Tyler
30 Jan 2026
Director
Buy indirect
1,470
$34.00
$49.98K
Erwin Tami A.
30 Jan 2026
Director
Buy
2,941
$34.00
$99.99K

What was left out

Form 4 filings counted 19
Amendments (4/A) skipped 3
Filings about a different issuer 0
Unreadable filings 0
Joint filings 2
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 10
Transactions with no price 0
Shares from compensation/vesting 3,352,337
History held since 3 Feb 2026