YSS (YSS) director Konert Kirk Michael receives 5,294-share RSU grant

Rhea-AI Filing Summary

Yellowstone Midco Holdings II, LLC (YSS) reported that director Konert Kirk Michael received an equity award in the form of restricted stock units. On 01/30/2026, he was granted 5,294 shares of common stock at a price of $0 per share, reflecting a compensatory stock grant rather than an open-market purchase. These 5,294 restricted stock units will vest on the first anniversary of the grant date, and he beneficially owns 5,294 shares directly following this transaction.

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^*

Konert Kirk Michael

(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)

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

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		5,294(1)	A	$0	5,294	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 on the first anniversary of the grant date.

	/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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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FAQ

What insider transaction did YSS director Konert Kirk Michael report?

Director Konert Kirk Michael reported receiving 5,294 shares of YSS common stock as a restricted stock unit grant. The Form 4 shows this as an acquisition at $0 per share, reflecting equity compensation rather than a market purchase of shares.

When do the 5,294 YSS restricted stock units for Konert Kirk Michael vest?

The 5,294 restricted stock units granted to Konert Kirk Michael vest on the first anniversary of the grant date. This means the award will fully vest one year after the 01/30/2026 grant, subject to any service or other conditions described in the award agreement.

Was cash paid for the 5,294 YSS shares reported on this Form 4?

No cash was paid for these 5,294 shares; the Form 4 lists a price of $0 per share. The transaction represents an equity compensation grant of restricted stock units, not an open-market stock purchase by the director.

How many YSS shares does Konert Kirk Michael own after this reported transaction?

After this transaction, Konert Kirk Michael beneficially owns 5,294 shares of YSS common stock. The Form 4 indicates these are held directly and arise from a restricted stock unit grant reported as an acquisition on 01/30/2026.

Is the YSS Form 4 filing for Konert Kirk Michael a stock grant or a sale?

The filing reports a stock grant, not a sale. It shows an acquisition of 5,294 shares coded as “A” at $0 per share, described in the footnote as restricted stock units that vest one year after the grant date.