Key facts
- This page summarizes Dirk Wallinger's Form 4 filing for Yellowstone Midco Holdings II, LLC (YSS).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 03 Feb 2026, 20:59.
Dirk Wallinger - 30 Jan 2026 Form 4 Insider Report for Yellowstone Midco Holdings II, LLC (YSS)
- Reporting relationship
- Chief Executive Officer, Director
- Issuer ticker
- YSS
- Reported as of
- 30 Jan 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 03 Feb 2026, 20:59:43 UTC
- Prior SEC filing
- 29 Jan 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Monica Palko, by Power of Attorney
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Dirk Wallinger filed Form 4 for Yellowstone Midco Holdings II, LLC (YSS) on 03 Feb 2026.
Change
- Previous filing in this sequence was filed on 29 Jan 2026.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0002100113
Primary reporting owner
Wallinger Dirk
- Relationship
- Chief Executive Officer, Director
- Address
- C/O YORK SPACE SYSTEMS INC., 6060 S WILLOW DRIVE, GREENWOOD VILLAGE
- Signature
- /s/ Monica Palko, by Power of Attorney
- Signature date
- 03 Feb 2026
This filing has been restated.
Open the amended filing.
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
YSS
transaction
Common Stock
Award
- Transaction value
- $0
- Shares
- +569,920
- Change %
- +6%
- Price
- $0.000000
- Shares after
- 10,141,966
- Date
- 30 Jan 2026
- Ownership
- Direct
- Footnotes
- F1
YSS
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 227,441
- Date
- 30 Jan 2026
- Ownership
- By Ghostrider 117 LLC
YSS
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 1,369,106
- Date
- 30 Jan 2026
- Ownership
- By DHW Irrevocable Trust
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 1 footnote
Footnote F1
Represents restricted stock units which vest over three years.