SHERMAN MARK ANDREW (EVP, GEN. COUN. & SECRTY) sold 14.1% of their position (11.60K shares) of DOLBY LABORATORIES, INC. on the open market

Open‑market sale worth $775.4K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales

SHERMAN MARK ANDREW

Filed: 12/17/2025ACC: 0001193125-25-323425

InsiderSHERMAN MARK ANDREWCIK 1256708

→

IssuerDOLBY LABORATORIES, INC.CIK 1308547

Officer· EVP, GEN. COUN. & SECRTY

Since Aug 2018

+71.51K

Net shares

Net buyer

$1.57M

Total sold

Open market trades

0B · 3S

Total transactions

100.80K acquired · 29.30K disposed

Non-Derivative Transactions7

Class A Common Stock

Direct

A · Award

+25.63K

Price / share

—

Trade value

—

% of position

41.1%

12/15/2025

62.40K→88.03K

Class A Common Stock

Direct

M · Option Exercise

+5.92K

Price / share

—

Trade value

—

% of position

6.7%

12/15/2025

88.03K→93.94K

Class A Common Stock

Direct

F · Tax Withholding

−9.25K

Price / share

$67.54

Trade value

$624.88K

% of position

9.8%

12/15/2025

93.94K→84.69K

Class A Common Stock

Direct

F · Tax Withholding

−2.53K

Price / share

$66.62

Trade value

$168.55K

% of position

3.0%

12/16/2025

84.69K→82.16K

Class A Common Stock

Direct

S · Sale

−6.74K

Price / share

$66.58

Trade value

$448.59K

% of position

8.2%

12/16/2025

82.16K→75.42K

Class A Common Stock

Direct

S · Sale

−2.37K

Price / share

$67.17

Trade value

$159.26K

% of position

3.1%

12/16/2025

75.42K→73.05K

Class A Common Stock

Direct

S · Sale

−2.49K

Price / share

$67.26

Trade value

$167.55K

% of position

3.4%

12/17/2025

73.05K→70.56K

Total

Net shares

+8.17K

Net value

-$1.57M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Direct	12/15/2025	A · Award	+25.63K	—	—	41.1%	62.40K	88.03K
Class A Common Stock Direct	12/15/2025	M · Option Exercise	+5.92K	—	—	6.7%	88.03K	93.94K
Class A Common Stock Direct	12/15/2025	F · Tax Withholding	−9.25K	$67.54	$624.88K	9.8%	93.94K	84.69K
Class A Common Stock Direct	12/16/2025	F · Tax Withholding	−2.53K	$66.62	$168.55K	3.0%	84.69K	82.16K
Class A Common Stock Direct	12/16/2025	S · Sale	−6.74K	$66.58	$448.59K	8.2%	82.16K	75.42K
Class A Common Stock Direct	12/16/2025	S · Sale	−2.37K	$67.17	$159.26K	3.1%	75.42K	73.05K
Class A Common Stock Direct	12/17/2025	S · Sale	−2.49K	$67.26	$167.55K	3.4%	73.05K	70.56K
Total			+8.17K		-$1.57M

Derivative Transactions3

Performance-Based Restricted Stock Unit

Direct

A · Award

Converts to

Class A Common Stock

12.82K shares

+12.82K

Strike price

Held after

12.82K

Exercisable

—

12/15/2025

Employee Stock Option (Right to Buy)

Direct

A · Award

Converts to

Class A Common Stock

56.44K shares

+56.44K

Strike price

66.62

Held after

56.44K

Exercisable

—

12/15/2025

Performance-Based Restricted Stock Unit

Direct

M · Option Exercise

Converts to

Class A Common Stock

5.92K shares

−5.92K

Strike price

Held after

0.00

Exercisable

—

12/15/2025

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Performance-Based Restricted Stock Unit Direct	Class A Common Stock12.82K shares	12/15/2025	A · Award	+12.82K		—	12.82K
Employee Stock Option (Right to Buy) Direct	Class A Common Stock56.44K shares	12/15/2025	A · Award	+56.44K	66.62	—	56.44K
Performance-Based Restricted Stock Unit Direct	Class A Common Stock5.92K shares	12/15/2025	M · Option Exercise	−5.92K		—	0.00