HOLDERMAN DANIEL P. (SVP & Chief Operating Officer) exercised options at WESTERN MIDSTREAM PARTNERS, LP

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 2 exercises

HOLDERMAN DANIEL P.

Filed: 2/14/2024ACC: 0001423902-24-000013

InsiderHOLDERMAN DANIEL P.CIK 1942513

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IssuerWESTERN MIDSTREAM PARTNERS, LPCIK 1423902

Officer· SVP & Chief Operating Officer

Since Feb 2026

+85.17K

Net shares

Net buyer

$127.3K

Total sold

Open market trades

0B · 0S

Total transactions

107.51K acquired · 22.34K disposed

Non-Derivative Transactions4

Common Units representing limited partner interests

Direct

M · Option Exercise

+7.05K

Price / share

—

Trade value

—

% of position

284.2%

2/12/2024

2.48K→9.54K

Common Units representing limited partner interests

Direct

F · Tax Withholding

−1.83K

Price / share

$28.50

Trade value

$52.21K

% of position

19.2%

2/12/2024

9.54K→7.70K

Common Units representing limited partner interests

Direct

M · Option Exercise

+10.82K

Price / share

—

Trade value

—

% of position

140.4%

2/12/2024

7.70K→18.52K

Common Units representing limited partner interests

Direct

F · Tax Withholding

−2.63K

Price / share

$28.50

Trade value

$75.10K

% of position

14.2%

2/12/2024

18.52K→15.89K

Total

Net shares

+13.40K

Net value

-$127.31K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Units representing limited partner interests Direct	2/12/2024	M · Option Exercise	+7.05K	—	—	284.2%	2.48K	9.54K
Common Units representing limited partner interests Direct	2/12/2024	F · Tax Withholding	−1.83K	$28.50	$52.21K	19.2%	9.54K	7.70K
Common Units representing limited partner interests Direct	2/12/2024	M · Option Exercise	+10.82K	—	—	140.4%	7.70K	18.52K
Common Units representing limited partner interests Direct	2/12/2024	F · Tax Withholding	−2.63K	$28.50	$75.10K	14.2%	18.52K	15.89K
Total			+13.40K		-$127.31K

Derivative Transactions5

2022 Phantom Units

Direct

M · Option Exercise

Converts to

Common Units representing limited partner interests

7.05K shares

−7.05K

Strike price

Held after

7.05K

Exercisable

—

2/12/2024

2023 Phantom Units

Direct

M · Option Exercise

Converts to

Common Units representing limited partner interests

10.82K shares

−10.82K

Strike price

Held after

21.64K

Exercisable

—

2/12/2024

2024 Phantom Units

Direct

A · Award

Converts to

Common Units representing limited partner interests

44.82K shares

+44.82K

Strike price

Held after

44.82K

Exercisable

—

2/13/2024

2024 Performance Unit - ROA

Direct

A · Award

Converts to

Common Units representing limited partner interests

22.41K shares

+22.41K

Strike price

Held after

22.41K

Exercisable

—

2/13/2024

2024 Performance Unit - TUR

Direct

A · Award

Converts to

Common Units representing limited partner interests

22.41K shares

+22.41K

Strike price

Held after

22.41K

Exercisable

—

2/13/2024

Security	Converts To	Date	Type	Shares	Exercisable	Held After
2022 Phantom Units Direct	Common Units representing limited partner interests7.05K shares	2/12/2024	M · Option Exercise	−7.05K	—	7.05K
2023 Phantom Units Direct	Common Units representing limited partner interests10.82K shares	2/12/2024	M · Option Exercise	−10.82K	—	21.64K
2024 Phantom Units Direct	Common Units representing limited partner interests44.82K shares	2/13/2024	A · Award	+44.82K	—	44.82K
2024 Performance Unit - ROA Direct	Common Units representing limited partner interests22.41K shares	2/13/2024	A · Award	+22.41K	—	22.41K
2024 Performance Unit - TUR Direct	Common Units representing limited partner interests22.41K shares	2/13/2024	A · Award	+22.41K	—	22.41K

Non-Derivative Holdings (Post-Transaction)0

No non-derivative holdings reported

Derivative Holdings (Post-Transaction)2

2023 Performance Unit - TUR

Direct

Underlying security

Common Units representing limited partner interests

Underlying shares

16.23K

Shares owned

16.23K

Exercise price

Expiration

—

Exercise window

—

2023 Performance Unit - ROA

Direct

Underlying security

Common Units representing limited partner interests

Underlying shares

16.23K

Shares owned

16.23K

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

32.46K

Owned

32.46K

Security	Underlying	Exercise Window	Expiration	Underlying Shares	Shares Owned
2023 Performance Unit - TUR Direct	Common Units representing limited partner interests	—	—	16.23K	16.23K
2023 Performance Unit - ROA Direct	Common Units representing limited partner interests	—	—	16.23K	16.23K
Total				32.46K	32.46K