DIAL CHRISTOPHER B. (SVP, GC and Secretary) exercised options at WESTERN MIDSTREAM PARTNERS, LP

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

M · 5 exercises

DIAL CHRISTOPHER B.

Filed: 2/14/2024ACC: 0001423902-24-000011

InsiderDIAL CHRISTOPHER B.CIK 1729009

→

IssuerWESTERN MIDSTREAM PARTNERS, LPCIK 1423902

Officer· SVP, GC and Secretary

Since Dec 2019

+45.45K

Net shares

Net buyer

$1.24M

Total sold

Open market trades

0B · 0S

Total transactions

201.69K acquired · 156.24K disposed

Non-Derivative Transactions10

Common Units representing limited partner interests

Direct

M · Option Exercise

+8.92K

Price / share

—

Trade value

—

% of position

13.8%

2/12/2024

64.75K→73.67K

Common Units representing limited partner interests

Direct

F · Tax Withholding

−3.61K

Price / share

$28.50

Trade value

$102.86K

% of position

4.9%

2/12/2024

73.67K→70.06K

Common Units representing limited partner interests

Direct

M · Option Exercise

+5.78K

Price / share

—

Trade value

—

% of position

8.3%

2/12/2024

70.06K→75.84K

Common Units representing limited partner interests

Direct

F · Tax Withholding

−2.27K

Price / share

$28.50

Trade value

$64.84K

% of position

3.0%

2/12/2024

75.84K→73.56K

Common Units representing limited partner interests

Direct

M · Option Exercise

+10.82K

Price / share

—

Trade value

—

% of position

14.7%

2/12/2024

73.56K→84.38K

Common Units representing limited partner interests

Direct

F · Tax Withholding

−4.26K

Price / share

$28.50

Trade value

$121.32K

% of position

5.0%

2/12/2024

84.38K→80.12K

Common Units representing limited partner interests

Direct

M · Option Exercise

+46.38K

Price / share

—

Trade value

—

% of position

57.9%

2/13/2024

80.12K→126.51K

Common Units representing limited partner interests

Direct

F · Tax Withholding

−18.25K

Price / share

$27.89

Trade value

$509.05K

% of position

14.4%

2/13/2024

126.51K→108.25K

Common Units representing limited partner interests

Direct

M · Option Exercise

+40.15K

Price / share

—

Trade value

—

% of position

37.1%

2/13/2024

108.25K→148.40K

Common Units representing limited partner interests

Direct

F · Tax Withholding

−15.80K

Price / share

$27.89

Trade value

$440.61K

% of position

10.6%

2/13/2024

148.40K→132.60K

Total

Net shares

+67.86K

Net value

-$1.24M

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	+8.92K	—	—	13.8%	64.75K	73.67K
Common Units representing limited partner interests Direct	2/12/2024	F · Tax Withholding	−3.61K	$28.50	$102.86K	4.9%	73.67K	70.06K
Common Units representing limited partner interests Direct	2/12/2024	M · Option Exercise	+5.78K	—	—	8.3%	70.06K	75.84K
Common Units representing limited partner interests Direct	2/12/2024	F · Tax Withholding	−2.27K	$28.50	$64.84K	3.0%	75.84K	73.56K
Common Units representing limited partner interests Direct	2/12/2024	M · Option Exercise	+10.82K	—	—	14.7%	73.56K	84.38K
Common Units representing limited partner interests Direct	2/12/2024	F · Tax Withholding	−4.26K	$28.50	$121.32K	5.0%	84.38K	80.12K
Common Units representing limited partner interests Direct	2/13/2024	M · Option Exercise	+46.38K	—	—	57.9%	80.12K	126.51K
Common Units representing limited partner interests Direct	2/13/2024	F · Tax Withholding	−18.25K	$27.89	$509.05K	14.4%	126.51K	108.25K
Common Units representing limited partner interests Direct	2/13/2024	M · Option Exercise	+40.15K	—	—	37.1%	108.25K	148.40K
Common Units representing limited partner interests Direct	2/13/2024	F · Tax Withholding	−15.80K	$27.89	$440.61K	10.6%	148.40K	132.60K
Total			+67.86K		-$1.24M

Derivative Transactions8

2021 Phantom Units

Direct

M · Option Exercise

Converts to

Common Units representing limited partner interests

8.92K shares

−8.92K

Strike price

Held after

0.00

Exercisable

—

2/12/2024

2022 Phantom Units

Direct

M · Option Exercise

Converts to

Common Units representing limited partner interests

5.78K shares

−5.78K

Strike price

Held after

5.78K

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

2021 Performance Unit - ROA

Direct

M · Option Exercise

Converts to

Common Units representing limited partner interests

46.38K shares

−46.38K

Strike price

Held after

0.00

Exercisable

—

2/13/2024

2021 Performance Unit - TUR

Direct

M · Option Exercise

Converts to

Common Units representing limited partner interests

40.15K shares

−40.15K

Strike price

Held after

0.00

Exercisable

—

2/13/2024

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
2021 Phantom Units Direct	Common Units representing limited partner interests8.92K shares	2/12/2024	M · Option Exercise	−8.92K	—	0.00
2022 Phantom Units Direct	Common Units representing limited partner interests5.78K shares	2/12/2024	M · Option Exercise	−5.78K	—	5.78K
2023 Phantom Units Direct	Common Units representing limited partner interests10.82K shares	2/12/2024	M · Option Exercise	−10.82K	—	21.64K
2021 Performance Unit - ROA Direct	Common Units representing limited partner interests46.38K shares	2/13/2024	M · Option Exercise	−46.38K	—	0.00
2021 Performance Unit - TUR Direct	Common Units representing limited partner interests40.15K shares	2/13/2024	M · Option Exercise	−40.15K	—	0.00
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)4

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

—

2022 Performance Unit - ROA

Direct

Underlying security

Common Units representing limited partner interests

Underlying shares

8.67K

Shares owned

8.67K

Exercise price

Expiration

—

Exercise window

—

2022 Performance Unit - TUR

Direct

Underlying security

Common Units representing limited partner interests

Underlying shares

8.67K

Shares owned

8.67K

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

—

Total

Underlying

49.80K

Owned

49.80K

Security	Underlying	Exercise Window	Expiration	Underlying Shares	Shares Owned
2023 Performance Unit - ROA Direct	Common Units representing limited partner interests	—	—	16.23K	16.23K
2022 Performance Unit - ROA Direct	Common Units representing limited partner interests	—	—	8.67K	8.67K
2022 Performance Unit - TUR Direct	Common Units representing limited partner interests	—	—	8.67K	8.67K
2023 Performance Unit - TUR Direct	Common Units representing limited partner interests	—	—	16.23K	16.23K
Total				49.80K	49.80K