Michael Scott Bast - 26 Sep 2025 Form 3 Insider Report for Hess Midstream LP (HESM)

Role: President and COO
Signature: Barry Schachter for Michael Scott Bast
Issuer symbol: HESM
Transactions as of: 26 Sep 2025
Transactions value $: $0
Form type: 3
Filing time: 26 Sep 2025, 16:42:19 UTC
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Bast Michael Scott	President and COO	1501 MCKINNEY STREET, HOUSTON	Barry Schachter for Michael Scott Bast	26 Sep 2025	0002084199

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	HESM	Class A Shares						800	26 Sep 2025	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	HESM	2023 Phantom Shares							26 Sep 2025	Class A Shares	1.33K		Direct	F1
holding	HESM	2024 Phantom Shares							26 Sep 2025	Class A Shares	2.38K		Direct	F2
holding	HESM	2025 Phantom Shares							26 Sep 2025	Class A Shares	2.79K		Direct	F3

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

Explanation of Responses:

Id	Content
F1	Each phantom share is the economic equivalent of one Class A Share. The 2023 phantom shares vest on March 8, 2026 and have no expiration date.
F2	Each phantom share is the economic equivalent of one Class A Share. The 2024 phantom shares vest ratably on March 8, 2026 and March 8, 2027 and have no expiration date.
F3	Each phantom share is the economic equivalent of one Class A Share. The 2025 phantom shares vest in three equal installments beginning on March 8, 2026 and have no expiration date.