GREEN CATHERINE A. (VP & Chief Accounting Officer) 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

GREEN CATHERINE A.

Filed: 2/14/2024ACC: 0001423902-24-000015

InsiderGREEN CATHERINE A.CIK 1791874

→

IssuerWESTERN MIDSTREAM PARTNERS, LPCIK 1423902

Officer· VP & Chief Accounting Officer

Since Oct 2019

+57.50K

Net shares

Net buyer

$400.1K

Total sold

Open market trades

0B · 0S

Total transactions

107.46K acquired · 49.96K disposed

Non-Derivative Transactions10

Common Units representing limited partner interests

Direct

M · Option Exercise

+4.20K

Price / share

—

Trade value

—

% of position

14.8%

2/12/2024

28.43K→32.62K

Common Units representing limited partner interests

Direct

F · Tax Withholding

−1.79K

Price / share

$28.50

Trade value

$51.04K

% of position

5.5%

2/12/2024

32.62K→30.83K

Common Units representing limited partner interests

Direct

M · Option Exercise

+4.17K

Price / share

—

Trade value

—

% of position

13.5%

2/12/2024

30.83K→35.01K

Common Units representing limited partner interests

Direct

F · Tax Withholding

−1.64K

Price / share

$28.50

Trade value

$46.83K

% of position

4.7%

2/12/2024

35.01K→33.36K

Common Units representing limited partner interests

Direct

M · Option Exercise

+7.02K

Price / share

—

Trade value

—

% of position

21.0%

2/12/2024

33.36K→40.38K

Common Units representing limited partner interests

Direct

F · Tax Withholding

−2.76K

Price / share

$28.50

Trade value

$78.72K

% of position

6.8%

2/12/2024

40.38K→37.62K

Common Units representing limited partner interests

Direct

M · Option Exercise

+10.91K

Price / share

—

Trade value

—

% of position

29.0%

2/13/2024

37.62K→48.53K

Common Units representing limited partner interests

Direct

F · Tax Withholding

−4.29K

Price / share

$27.89

Trade value

$119.79K

% of position

8.8%

2/13/2024

48.53K→44.24K

Common Units representing limited partner interests

Direct

M · Option Exercise

+9.45K

Price / share

—

Trade value

—

% of position

21.4%

2/13/2024

44.24K→53.68K

Common Units representing limited partner interests

Direct

F · Tax Withholding

−3.72K

Price / share

$27.89

Trade value

$103.70K

% of position

6.9%

2/13/2024

53.68K→49.97K

Total

Net shares

+21.54K

Net value

-$400.07K

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	+4.20K	—	—	14.8%	28.43K	32.62K
Common Units representing limited partner interests Direct	2/12/2024	F · Tax Withholding	−1.79K	$28.50	$51.04K	5.5%	32.62K	30.83K
Common Units representing limited partner interests Direct	2/12/2024	M · Option Exercise	+4.17K	—	—	13.5%	30.83K	35.01K
Common Units representing limited partner interests Direct	2/12/2024	F · Tax Withholding	−1.64K	$28.50	$46.83K	4.7%	35.01K	33.36K
Common Units representing limited partner interests Direct	2/12/2024	M · Option Exercise	+7.02K	—	—	21.0%	33.36K	40.38K
Common Units representing limited partner interests Direct	2/12/2024	F · Tax Withholding	−2.76K	$28.50	$78.72K	6.8%	40.38K	37.62K
Common Units representing limited partner interests Direct	2/13/2024	M · Option Exercise	+10.91K	—	—	29.0%	37.62K	48.53K
Common Units representing limited partner interests Direct	2/13/2024	F · Tax Withholding	−4.29K	$27.89	$119.79K	8.8%	48.53K	44.24K
Common Units representing limited partner interests Direct	2/13/2024	M · Option Exercise	+9.45K	—	—	21.4%	44.24K	53.68K
Common Units representing limited partner interests Direct	2/13/2024	F · Tax Withholding	−3.72K	$27.89	$103.70K	6.9%	53.68K	49.97K
Total			+21.54K		-$400.07K

Derivative Transactions8

2021 Phantom Units

Direct

M · Option Exercise

Converts to

Common Units representing limited partner interests

4.20K shares

−4.20K

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

4.17K shares

−4.17K

Strike price

Held after

4.17K

Exercisable

—

2/12/2024

2023 Phantom Units

Direct

M · Option Exercise

Converts to

Common Units representing limited partner interests

7.02K shares

−7.02K

Strike price

Held after

14.04K

Exercisable

—

2/12/2024

2021 Performance Unit - ROA

Direct

M · Option Exercise

Converts to

Common Units representing limited partner interests

10.91K shares

−10.91K

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

9.45K shares

−9.45K

Strike price

Held after

0.00

Exercisable

—

2/13/2024

2024 Phantom Units

Direct

A · Award

Converts to

Common Units representing limited partner interests

35.85K shares

+35.85K

Strike price

Held after

35.85K

Exercisable

—

2/13/2024

2024 Performance Unit - ROA

Direct

A · Award

Converts to

Common Units representing limited partner interests

17.93K shares

+17.93K

Strike price

Held after

17.93K

Exercisable

—

2/13/2024

2024 Performance Unit - TUR

Direct

A · Award

Converts to

Common Units representing limited partner interests

17.93K shares

+17.93K

Strike price

Held after

17.93K

Exercisable

—

2/13/2024

Security	Converts To	Date	Type	Shares	Exercisable	Held After
2021 Phantom Units Direct	Common Units representing limited partner interests4.20K shares	2/12/2024	M · Option Exercise	−4.20K	—	0.00
2022 Phantom Units Direct	Common Units representing limited partner interests4.17K shares	2/12/2024	M · Option Exercise	−4.17K	—	4.17K
2023 Phantom Units Direct	Common Units representing limited partner interests7.02K shares	2/12/2024	M · Option Exercise	−7.02K	—	14.04K
2021 Performance Unit - ROA Direct	Common Units representing limited partner interests10.91K shares	2/13/2024	M · Option Exercise	−10.91K	—	0.00
2021 Performance Unit - TUR Direct	Common Units representing limited partner interests9.45K shares	2/13/2024	M · Option Exercise	−9.45K	—	0.00
2024 Phantom Units Direct	Common Units representing limited partner interests35.85K shares	2/13/2024	A · Award	+35.85K	—	35.85K
2024 Performance Unit - ROA Direct	Common Units representing limited partner interests17.93K shares	2/13/2024	A · Award	+17.93K	—	17.93K
2024 Performance Unit - TUR Direct	Common Units representing limited partner interests17.93K shares	2/13/2024	A · Award	+17.93K	—	17.93K

Non-Derivative Holdings (Post-Transaction)0

No non-derivative holdings reported

Derivative Holdings (Post-Transaction)4

2023 Performance Unit - TUR

Direct

Underlying security

Common Units representing limited partner interests

Underlying shares

10.53K

Shares owned

10.53K

Exercise price

Expiration

—

Exercise window

—

2022 Performance Unit - ROA

Direct

Underlying security

Common Units representing limited partner interests

Underlying shares

6.26K

Shares owned

6.26K

Exercise price

Expiration

—

Exercise window

—

2022 Performance Unit - TUR

Direct

Underlying security

Common Units representing limited partner interests

Underlying shares

6.26K

Shares owned

6.26K

Exercise price

Expiration

—

Exercise window

—

2023 Performance Unit - ROA

Direct

Underlying security

Common Units representing limited partner interests

Underlying shares

10.53K

Shares owned

10.53K

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

33.58K

Owned

33.58K

Security	Underlying	Exercise Window	Expiration	Underlying Shares	Shares Owned
2023 Performance Unit - TUR Direct	Common Units representing limited partner interests	—	—	10.53K	10.53K
2022 Performance Unit - ROA Direct	Common Units representing limited partner interests	—	—	6.26K	6.26K
2022 Performance Unit - TUR Direct	Common Units representing limited partner interests	—	—	6.26K	6.26K
2023 Performance Unit - ROA Direct	Common Units representing limited partner interests	—	—	10.53K	10.53K
Total				33.58K	33.58K