DOLBY DAGMAR reported 2 transactions at DOLBY LABORATORIES, INC.

Review the transaction codes below to understand the nature of each event.

DOLBY DAGMAR

Filed: 8/28/2026ACC: 0001193125-26-374860

InsiderDOLBY DAGMARCIK 1537372

→

IssuerDOLBY LABORATORIES, INC.CIK 1308547

10% Owner

Since Jun 2018

-300K

Net shares

Net seller

$0.00

Total acquired

Open market trades

0B · 0S

Total transactions

2.30M acquired · 2.60M disposed

Non-Derivative Transactions2

Class A Common Stock

Indirect

C · Conversion

+300K

Price / share

—

Trade value

—

% of position

New position

8/28/2026

0.00→300K

Class A Common Stock

Indirect

G · Gift

−300K

Price / share

—

Trade value

—

% of position

New position

8/28/2026

300K→0.00

Total

Net shares

+0.00

Net value

$0.00

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Indirect	8/28/2026	C · Conversion	+300K	—	—	New position	0.00	300K
Class A Common Stock Indirect	8/28/2026	G · Gift	−300K	—	—	New position	300K	0.00
Total			+0.00		$0.00

Derivative Transactions4

Class B Common Stock

Indirect

G · Gift

Converts to

Class A Common Stock

2M shares

−2M

Strike price

Held after

4.67M

Exercisable

—

8/28/2026

Class B Common Stock

Indirect

G · Gift

Converts to

Class A Common Stock

1M shares

+1M

Strike price

Held after

Exercisable

—

8/28/2026

Class B Common Stock

Indirect

G · Gift

Converts to

Class A Common Stock

1M shares

+1M

Strike price

Held after

Exercisable

—

8/28/2026

Class B Common Stock

Indirect

C · Conversion

Converts to

Class A Common Stock

300K shares

−300K

Strike price

Held after

4.37M

Exercisable

—

8/28/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Class B Common Stock Indirect	Class A Common Stock2M shares	8/28/2026	G · Gift	−2M	—	4.67M
Class B Common Stock Indirect	Class A Common Stock1M shares	8/28/2026	G · Gift	+1M	—	1M
Class B Common Stock Indirect	Class A Common Stock1M shares	8/28/2026	G · Gift	+1M	—	1M
Class B Common Stock Indirect	Class A Common Stock300K shares	8/28/2026	C · Conversion	−300K	—	4.37M

Non-Derivative Holdings (Post-Transaction)0

No non-derivative holdings reported

Derivative Holdings (Post-Transaction)7

Class B Common Stock

Indirect

Underlying security

Class A Common Stock

Underlying shares

N/A

Shares owned

403.60K

Exercise price

Expiration

—

Exercise window

—

Class B Common Stock

Indirect

Underlying security

Class A Common Stock

Underlying shares

N/A

Shares owned

160.59K

Exercise price

Expiration

—

Exercise window

—

Class B Common Stock

Indirect

Underlying security

Class A Common Stock

Underlying shares

N/A

Shares owned

350K

Exercise price

Expiration

—

Exercise window

—

Class B Common Stock

Indirect

Underlying security

Class A Common Stock

Underlying shares

N/A

Shares owned

24.11M

Exercise price

Expiration

—

Exercise window

—

Class B Common Stock

Indirect

Underlying security

Class A Common Stock

Underlying shares

N/A

Shares owned

Exercise price

Expiration

—

Exercise window

—

Class B Common Stock

Indirect

Underlying security

Class A Common Stock

Underlying shares

N/A

Shares owned

463.26K

Exercise price

Expiration

—

Exercise window

—

Class B Common Stock

Indirect

Underlying security

Class A Common Stock

Underlying shares

N/A

Shares owned

1.04M

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

0.00

Owned

27.53M

Security	Underlying	Exercise Window	Expiration	Underlying Shares	Shares Owned
Class B Common Stock Indirect	Class A Common Stock	—	—	N/A	403.60K
Class B Common Stock Indirect	Class A Common Stock	—	—	N/A	160.59K
Class B Common Stock Indirect	Class A Common Stock	—	—	N/A	350K
Class B Common Stock Indirect	Class A Common Stock	—	—	N/A	24.11M
Class B Common Stock Indirect	Class A Common Stock	—	—	N/A	1M
Class B Common Stock Indirect	Class A Common Stock	—	—	N/A	463.26K
Class B Common Stock Indirect	Class A Common Stock	—	—	N/A	1.04M
Total				0.00	27.53M