Monica J. Palko - 30 Jan 2026 Form 4 Insider Report for Yellowstone Midco Holdings II, LLC (YSS)

Signature
/s/ Monica Palko
Issuer symbol
YSS
Transactions as of
30 Jan 2026
Net transactions value
$0
Form type
4
Filing time
03 Feb 2026, 20:55:48 UTC
Previous filing
29 Jan 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Palko Monica J. Chief Legal and Administrative Officer C/O YORK SPACE SYSTEMS INC., 6060 S WILLOW DRIVE, GREENWOOD VILLAGE /s/ Monica Palko 03 Feb 2026 0002100091

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction YSS Common Stock Award $0 +54,412 $0.000000 54,412 30 Jan 2026 Direct F1
holding YSS Common Stock 680,593 30 Jan 2026 By Fox Trail Joint Revocable Trust
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents restricted stock units which vest over three years.

Remarks:

Chief Legal and Administrative Officer