FORSYTH MICHAEL S. (SVP, North Operations) exercised options at WESTERN MIDSTREAM PARTNERS, LP

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

M · 3 exercises

FORSYTH MICHAEL S.

Filed: 2/14/2025ACC: 0001423902-25-000011

InsiderFORSYTH MICHAEL S.CIK 1949639

→

IssuerWESTERN MIDSTREAM PARTNERS, LPCIK 1423902

Officer· SVP, North Operations

Since Oct 2022

-12.53K

Net shares

Net seller

$499.7K

Total sold

Open market trades

0B · 0S

Total transactions

28.55K acquired · 41.08K disposed

Non-Derivative Transactions6

Common Units representing limited partner interests

Direct

M · Option Exercise

+2.79K

Price / share

—

Trade value

—

% of position

10.6%

2/12/2025

26.31K→29.10K

Common Units representing limited partner interests

Direct

F · Tax Withholding

−1.26K

Price / share

$39.87

Trade value

$50.32K

% of position

4.3%

2/12/2025

29.10K→27.84K

Common Units representing limited partner interests

Direct

M · Option Exercise

+10.82K

Price / share

—

Trade value

—

% of position

38.9%

2/12/2025

27.84K→38.66K

Common Units representing limited partner interests

Direct

F · Tax Withholding

−4.73K

Price / share

$39.87

Trade value

$188.74K

% of position

12.2%

2/12/2025

38.66K→33.92K

Common Units representing limited partner interests

Direct

M · Option Exercise

+14.94K

Price / share

—

Trade value

—

% of position

44.0%

2/12/2025

33.92K→48.86K

Common Units representing limited partner interests

Direct

F · Tax Withholding

−6.54K

Price / share

$39.87

Trade value

$260.63K

% of position

13.4%

2/12/2025

48.86K→42.33K

Total

Net shares

+16.02K

Net value

-$499.69K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Units representing limited partner interests Direct	2/12/2025	M · Option Exercise	+2.79K	—	—	10.6%	26.31K	29.10K
Common Units representing limited partner interests Direct	2/12/2025	F · Tax Withholding	−1.26K	$39.87	$50.32K	4.3%	29.10K	27.84K
Common Units representing limited partner interests Direct	2/12/2025	M · Option Exercise	+10.82K	—	—	38.9%	27.84K	38.66K
Common Units representing limited partner interests Direct	2/12/2025	F · Tax Withholding	−4.73K	$39.87	$188.74K	12.2%	38.66K	33.92K
Common Units representing limited partner interests Direct	2/12/2025	M · Option Exercise	+14.94K	—	—	44.0%	33.92K	48.86K
Common Units representing limited partner interests Direct	2/12/2025	F · Tax Withholding	−6.54K	$39.87	$260.63K	13.4%	48.86K	42.33K
Total			+16.02K		-$499.69K

Derivative Transactions3

2022 Phantom Units

Direct

M · Option Exercise

Converts to

Common Units representing limited partner interests

2.79K shares

−2.79K

Strike price

Held after

0.00

Exercisable

—

2/12/2025

2023 Phantom Units

Direct

M · Option Exercise

Converts to

Common Units representing limited partner interests

10.82K shares

−10.82K

Strike price

Held after

10.82K

Exercisable

—

2/12/2025

2024 Phantom Units

Direct

M · Option Exercise

Converts to

Common Units representing limited partner interests

14.94K shares

−14.94K

Strike price

Held after

29.88K

Exercisable

—

2/12/2025

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
2022 Phantom Units Direct	Common Units representing limited partner interests2.79K shares	2/12/2025	M · Option Exercise	−2.79K	0	—	0.00
2023 Phantom Units Direct	Common Units representing limited partner interests10.82K shares	2/12/2025	M · Option Exercise	−10.82K		—	10.82K
2024 Phantom Units Direct	Common Units representing limited partner interests14.94K shares	2/12/2025	M · Option Exercise	−14.94K		—	29.88K

Non-Derivative Holdings (Post-Transaction)0

No non-derivative holdings reported

Derivative Holdings (Post-Transaction)4

2024 Performance Unit - TUR

Direct

Underlying security

Common Units representing limited partner interests

Underlying shares

22.41K

Shares owned

22.41K

Exercise price

Expiration

—

Exercise window

—

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

—

2024 Performance Unit - ROA

Direct

Underlying security

Common Units representing limited partner interests

Underlying shares

22.41K

Shares owned

22.41K

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

77.27K

Owned

77.27K

Security	Underlying	Exercise Window	Expiration	Underlying Shares	Shares Owned
2024 Performance Unit - TUR Direct	Common Units representing limited partner interests	—	—	22.41K	22.41K
2023 Performance Unit - TUR Direct	Common Units representing limited partner interests	—	—	16.23K	16.23K
2024 Performance Unit - ROA Direct	Common Units representing limited partner interests	—	—	22.41K	22.41K
2023 Performance Unit - ROA Direct	Common Units representing limited partner interests	—	—	16.23K	16.23K
Total				77.27K	77.27K