(UHALB)

Role: 10%+ Owner
Signature: /s/ Stuart M. Shoen, Willow Grove Holdings LP,
Stock symbol: UHALB
Transactions as of: Sep 18, 2025
Transactions value $: $0
Form type: 4
Date filed: 9/22/2025, 04:07 PM
Previous filing: Aug 19, 2024
SEC: View on sec.gov

Reporting Owners (5)

Name	Relationship	Address	Signature	Signature date	CIK
Willow Grove Holdings LP	10%+ Owner	207 E. CLARENDON AVENUE, PHOENIX	/s/ Stuart M. Shoen, Willow Grove Holdings LP,	2025-09-22	0001662239
Foster Road LLC	10%+ Owner	207 E. CLARENDON AVENUE, PHOENIX	/s/ Stuart M. Shoen for Foster Road LLC	2025-09-22	0001662241
Clarendon Strategies, LLC	10%+ Owner	207 E. CLARENDON AVENUE, PHOENIX	/s/ Stuart M. Shoen, Clarendon Strategies, LLC	2025-09-22	0001954801
Blackwater Investments, Inc.	10%+ Owner	207 E. CLARENDON AVENUE, PHOENIX	/s/ Mark V. Shoen, Blackwater Investments, Inc,	2025-09-22	0001717208
SAC HOLDING CORP	10%+ Owner	715 SOUTH COUNTRY CLUB DRIVE, MESA	/s/ Eric Voita, SAC Holding Corporation	2025-09-22	0001282822

Transactions Table

Type	Sym	Class	Transaction	Shares	Change %	Shares After	Date	Ownership	Footnotes
transaction	UHALB	Series N Common Stock	Purchase	+230K	+2.9%	8.15M	Sep 18, 2025	Blackwater Investments, Inc.	F1, F2
holding	UHALB	Series N Common Stock				67.3M	Sep 18, 2025	Direct
holding	UHALB	Common Stock				24.9K	Sep 18, 2025	SAC Holding Corporation	F2
holding	UHALB	Common Stock				1.32M	Sep 18, 2025	Clarendon Strategies, LLC	F2
holding	UHALB	Common Stock				880K	Sep 18, 2025	Blackwater Investments, Inc.	F2
holding	UHALB	Common Stock				7.56M	Sep 18, 2025	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This Form 4 is being filed in connection with a sale by the MVS-029 Trust of 229,515 shares of Series N Common Stock to Blackwater Investments, Inc. ("Blackwater") in exchange for all of the outstanding equity interests in Holdfast Marine, LLC, which were valued for purposes of this transaction at approximately $11.8 million. Blackwater is a wholly owned subsidiary of the Reporting Person. Accordingly, the Reporting Person may be deemed to have indirect beneficial ownership of the Series N Common Stock held by Blackwater. The Reporting Person disclaims beneficial ownership of shares held directly and indirectly by Blackwater and its subsidiaries, including Clarendon Strategies, LLC ("Clarendon") and SAC Holding Corporation ("SAC"), except to the extent of its pecuniary interest therein.
F2	Willow Grove is owned and controlled by Foster Road LLC and various trusts associated with Edward J. Shoen and Mark V. Shoen. Foster Road LLC is the general partner of Willow Grove and is managed by Mark V. Shoen and Stuart Shoen. Blackwater is a wholly owned subsidiary of Willow Grove. Clarendon and SAC are wholly owned subsidiaries of Blackwater.

Content

This Form 4 is being filed in connection with a sale by the MVS-029 Trust of 229,515 shares of Series N Common Stock to Blackwater Investments, Inc. ("Blackwater") in exchange for all of the outstanding equity interests in Holdfast Marine, LLC, which were valued for purposes of this transaction at approximately $11.8 million. Blackwater is a wholly owned subsidiary of the Reporting Person. Accordingly, the Reporting Person may be deemed to have indirect beneficial ownership of the Series N Common Stock held by Blackwater. The Reporting Person disclaims beneficial ownership of shares held directly and indirectly by Blackwater and its subsidiaries, including Clarendon Strategies, LLC ("Clarendon") and SAC Holding Corporation ("SAC"), except to the extent of its pecuniary interest therein.

Willow Grove is owned and controlled by Foster Road LLC and various trusts associated with Edward J. Shoen and Mark V. Shoen. Foster Road LLC is the general partner of Willow Grove and is managed by Mark V. Shoen and Stuart Shoen. Blackwater is a wholly owned subsidiary of Willow Grove. Clarendon and SAC are wholly owned subsidiaries of Blackwater.