BRINKWORTH DOUGLAS (Sr. Vice Pres.-Product Supply) received a stock award from SUBURBAN PROPANE PARTNERS LP

Compensation award — not an open‑market transaction. Less informative as a directional signal.

A · 1 award

BRINKWORTH DOUGLAS

Filed: 11/18/2025ACC: 0001328417-25-000002

InsiderBRINKWORTH DOUGLASCIK 1328417

→

IssuerSUBURBAN PROPANE PARTNERS LPCIK 1005210

Officer· Sr. Vice Pres.-Product Supply

Since Aug 2018

+12.82K

Net shares

Net buyer

$666.6K

Total sold

Open market trades

0B · 0S

Total transactions

71.63K acquired · 58.80K disposed

Non-Derivative Transactions4

Common Units (representing limited partnership interests)

Direct

F · Tax Withholding

−12K

Price / share

$18.83

Trade value

$225.92K

% of position

7.5%

11/14/2025

159.35K→147.36K

Common Units (representing limited partnership interests)

Direct

M · Option Exercise

+23.40K

Price / share

$18.83

Trade value

$440.68K

% of position

15.9%

11/14/2025

147.36K→170.76K

Common Units (representing limited partnership interests)

Direct

D · Disposition

−23.40K

Price / share

$18.83

Trade value

$440.68K

% of position

13.7%

11/14/2025

170.76K→147.36K

Common Units (representing limited partnership interests)

Direct

A · Award

+24.11K

Price / share

—

Trade value

—

% of position

16.4%

11/15/2025

147.36K→171.47K

Total

Net shares

+12.11K

Net value

-$225.92K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Units (representing limited partnership interests) Direct	11/14/2025	F · Tax Withholding	−12K	$18.83	$225.92K	7.5%	159.35K	147.36K
Common Units (representing limited partnership interests) Direct	11/14/2025	M · Option Exercise	+23.40K	$18.83	$440.68K	15.9%	147.36K	170.76K
Common Units (representing limited partnership interests) Direct	11/14/2025	D · Disposition	−23.40K	$18.83	$440.68K	13.7%	170.76K	147.36K
Common Units (representing limited partnership interests) Direct	11/15/2025	A · Award	+24.11K	—	—	16.4%	147.36K	171.47K
Total			+12.11K		-$225.92K

Derivative Transactions2

Phantom Units

Direct

M · Option Exercise

Converts to

Common Units

23.40K shares

−23.40K

Strike price

Held after

24.95K

Exercisable

—

11/14/2025

Phantom Units

Direct

A · Award

Converts to

Common Units

24.11K shares

+24.11K

Strike price

Held after

49.06K

Exercisable

—

11/15/2025

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Phantom Units Direct	Common Units23.40K shares	11/14/2025	M · Option Exercise	−23.40K		—	24.95K
Phantom Units Direct	Common Units24.11K shares	11/15/2025	A · Award	+24.11K		—	49.06K