Yellowstone Midco (YSS) grants 23,529 RSUs to supply chain chief

Rhea-AI Filing Summary

Yellowstone Midco Holdings II, LLC Chief Supply Chain Officer Rudra Devjyoti received an equity award in the form of restricted stock units. On 01/30/2026, he was granted 23,529 shares of common stock at a price of $0, described as restricted stock units that vest over three years. Following this award, he beneficially owns 358,357 shares of common stock in direct ownership.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Rudra Devjyoti

(Last) (First) (Middle)

C/O YORK SPACE SYSTEMS INC.

6060 S WILLOW DRIVE

(Street)

GREENWOOD VILLAGE CO 80111

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Yellowstone Midco Holdings II, LLC [ YSS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Supply Chain Officer

3. Date of Earliest Transaction (Month/Day/Year)
01/30/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	01/30/2026		A		23,529(1)	A	$0	358,357	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents restricted stock units which vest over three years.

	/s/ Monica Palko, by Power of Attorney	02/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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FAQ

What insider transaction did YSS officer Rudra Devjyoti report?

Rudra Devjyoti reported an award of 23,529 shares of Yellowstone Midco Holdings II, LLC common stock. The filing identifies these as restricted stock units vesting over three years, granted on 01/30/2026 at a stated price of $0.

What role does the reporting person hold at Yellowstone Midco Holdings II, LLC (YSS)?

The reporting person, Rudra Devjyoti, serves as Chief Supply Chain Officer of Yellowstone Midco Holdings II, LLC. The Form 4 confirms he is an officer, but not a director or 10% owner, in relation to this equity grant.

How many YSS shares does Rudra Devjyoti own after this transaction?

After the reported grant, Rudra Devjyoti beneficially owns 358,357 shares of Yellowstone Midco Holdings II, LLC common stock. The filing classifies this ownership as direct, meaning the shares are held in his own name rather than through another entity.

What type of security was granted in this YSS Form 4 filing?

The filing reports common stock of Yellowstone Midco Holdings II, LLC. A footnote clarifies the 23,529 shares are restricted stock units, which are share-based awards that vest over a period of three years instead of being immediately unrestricted stock.

When do the reported YSS restricted stock units vest?

The filing states the 23,529-share grant represents restricted stock units that vest over three years. This means the award becomes fully available to the officer gradually during that three-year period, according to the company’s vesting schedule.

Was there a purchase price for the YSS shares granted to Rudra Devjyoti?

The reported award lists a transaction price of $0 per share for the 23,529 common shares. This aligns with typical treatment of restricted stock units, which are granted as compensation rather than purchased in an open-market transaction.