Michael Scott Bast - 08 Mar 2026 Form 4 Insider Report for Hess Midstream LP (HESM)

Role
President and COO
Signature
/s/ Jessica Cauley, Attorney-in-Fact for Michael Scott Bast
Issuer symbol
HESM
Transactions as of
08 Mar 2026
Net transactions value
$0
Form type
4
Filing time
10 Mar 2026, 18:00:30 UTC
Previous filing
26 Sep 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Bast Michael Scott President and COO 1400 SMITH STREET, HOUSTON /s/ Jessica Cauley, Attorney-in-Fact for Michael Scott Bast 10 Mar 2026 0002084199

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction HESM Class A Shares Options Exercise +1,327 +166% $0.000000* 2,127 08 Mar 2026 Direct F1
transaction HESM Class A Shares Tax liability -344 -16% $38.92* 1,783 08 Mar 2026 Direct F2
transaction HESM Class A Shares Options Exercise +1,189 +67% $0.000000* 2,972 08 Mar 2026 Direct F1
transaction HESM Class A Shares Tax liability -308 -10% $38.92* 2,664 08 Mar 2026 Direct F2
transaction HESM Class A Shares Options Exercise +929 +35% $0.000000* 3,593 08 Mar 2026 Direct F1
transaction HESM Class A Shares Tax liability -241 -6.7% $38.92* 3,352 08 Mar 2026 Direct F2

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
transaction HESM 2023 Phantom Shares Options Exercise -1,327 -100% $0.000000* 0 08 Mar 2026 Class A Shares 1,327 $0.000000 Direct F3
transaction HESM 2024 Phantom Shares Options Exercise -1,189 -50% $0.000000* 1,189 08 Mar 2026 Class A Shares 1,189 $0.000000 Direct F4
transaction HESM 2025 Phantom Shares Options Exercise -929 -33% $0.000000* 1,860 08 Mar 2026 Class A Shares 929 $0.000000 Direct F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Class A shares acquired upon settlement of phantom shares granted under Hess Midstream's 2017 Long Term Incentive Plan.
F2 Shares withheld to cover required tax obligations upon settlement of phantom shares.
F3 The 2023 phantom shares vested on March 8, 2026.
F4 The remaining 2024 phantom shares will vest on March 8, 2027 and have no expiration date.
F5 The remaining 2025 phantom shares vest ratably on March 8, 2027 and March 8, 2028 and have no expiration date.