Dolby Laboratories (DLB) insider trust converts and gifts 380,000 shares

Rhea-AI Filing Summary

Dolby Laboratories, Inc. insider trust reports share conversion and charitable gift. On February 11, 2026, the Dagmar Dolby Trust converted 380,000 shares of Class B Common Stock into 380,000 shares of Class A Common Stock at no cost to the holder. Immediately afterward, the trust made a bona fide gift of all 380,000 Class A shares to an unaffiliated charitable organization, leaving that trust with no Class A shares from this transaction. The filing also lists large remaining indirect holdings of convertible Class B Common Stock across several Dolby family trusts and LLCs, all of which are convertible into Class A on a 1‑for‑1 basis.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Dolby Dagmar

(Last) (First) (Middle)

C/O DOLBY LABORATORIES, INC.

1275 MARKET STREET

(Street)

SAN FRANCISCO CA 94103

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Dolby Laboratories, Inc. [ DLB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
02/11/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

	Form filed by One Reporting Person
X	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock(1)	02/11/2026		C(2)		380,000	A	$0	380,000	I	By Trust(3)
Class A Common Stock	02/11/2026		G(2)		380,000	D	$0	0	I	By Trust(3)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Class B Common Stock	(4)	02/11/2026		C(2)			380,000	(4)	(4)	Class A Common Stock	380,000	$0	7,682,117	I	By Trust(3)
Class B Common Stock	(4)							(4)	(4)	Class A Common Stock	(4)		160,592	I	By Trust(5)
Class B Common Stock	(4)							(4)	(4)	Class A Common Stock	(4)		463,262	I	By Trust(6)
Class B Common Stock	(4)							(4)	(4)	Class A Common Stock	(4)		403,600	I	By Trust(7)
Class B Common Stock	(4)							(4)	(4)	Class A Common Stock	(4)		24,108,162	I	By Trust(8)
Class B Common Stock	(4)							(4)	(4)	Class A Common Stock	(4)		1,040,000	I	By LLC(9)
Class B Common Stock	(4)							(4)	(4)	Class A Common Stock	(4)		350,000	I	By LLC(10)

1. Name and Address of Reporting Person^*

Dolby Dagmar

(Last) (First) (Middle)

C/O DOLBY LABORATORIES, INC.

1275 MARKET STREET

(Street)

SAN FRANCISCO CA 94103

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

1. Name and Address of Reporting Person^*

DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999

(Last) (First) (Middle)

C/O DOLBY LABORATORIES, INC.

1275 MARKET STREET

(Street)

SAN FRANCISCO CA 94103

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

Explanation of Responses:

1. Each share of Class A Common Stock was issued upon conversion of one share of Class B Common Stock at the election of, and at no cost to, the reporting person.

2. On February 11, 2026, the Dagmar Dolby Trust (as defined below) converted 380,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to an unaffiliated charitable organization. The conversion transactions are exempt from Section 16(b) of the Securities Exchange Act of 1934 (the "Act") pursuant to Rule 16b-6(b) promulgated under the Act. The gift transaction is exempt from Section 16(b) by virtue of Rule 16b-5 promulgated under the Act.

3. Reflects shares of Class B Common Stock (as converted or convertible, as applicable, into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the "Dagmar Dolby Trust"), voting power of which is shared by the Trustee and David E. Dolby as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

4. Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis.

5. Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Ray Dolby 2002 Trust A, dated April 19, 2002 (the "Ray Dolby 2002 Trust A"), voting power of which is held by Thomas E. Dolby, son of Dagmar Dolby, as Special Trustee of the Ray Dolby 2002 Trust A. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

6. Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Ray Dolby 2002 Trust B, dated April 19, 2002 (the "Ray Dolby 2002 Trust B"), voting power of which is held by David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Ray Dolby 2002 Trust B. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

7. Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2016 Trust B, dated March 23, 2016 (the "Dagmar Dolby 2016 Trust B"), voting power of which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2016 Trust B. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

8. Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Marital Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the "Marital Trust"), voting power of which is shared by the Trustee and David E. Dolby as Special Trustee of the Marital Trust. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

9. Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dolby Holdings II LLC, a limited liability company ("Dolby Holdings II"), investment power over which is held by Dagmar Dolby, manager of Dolby Holdings II, and voting power over which is held by (i) Thomas E. Dolby, a Special Manager of Dolby Holdings II, with respect to 50% of such shares, and (ii) David E. Dolby, a Special Manager of Dolby Holdings II, with respect to 50% of such shares. This report is filed by Dagmar Dolby with respect to the securities held by Dolby Holdings II. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein

10. Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dolby Holdings III LLC, a limited liability company ("Dolby Holdings III"), investment power over which is held by Dagmar Dolby, the manager of Dolby Holdings III, and voting power over which is held by David E. Dolby, the Special Manager of Dolby Holdings III. This report is filed by Dagmar Dolby with respect to the securities held by Dolby Holdings III. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

	/s/ Daniel Rodriguez, Attorney-in-Fact	02/13/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transaction did the Dagmar Dolby Trust report in Dolby Laboratories (DLB)?

The Dagmar Dolby Trust reported converting 380,000 Class B shares into 380,000 Class A shares, then gifting all 380,000 Class A shares to an unaffiliated charitable organization. The transactions were recorded at a conversion and transfer price of $0 per share.

Was the Dolby Laboratories (DLB) insider transaction a sale or a gift?

The reported Dolby Laboratories transaction was a bona fide gift, not a sale. After converting 380,000 Class B shares into Class A, the Dagmar Dolby Trust gifted all 380,000 Class A shares to an unaffiliated charitable organization, with no sale proceeds reported in this filing.

How many Dolby Laboratories (DLB) shares were converted by the Dagmar Dolby Trust?

The Dagmar Dolby Trust converted 380,000 shares of Dolby Laboratories Class B Common Stock into 380,000 shares of Class A Common Stock. The conversion occurred on February 11, 2026, at no cost to the holder, reflecting a 1‑for‑1 exchange ratio between the two share classes.

What is the relationship of Dagmar Dolby and her trust to Dolby Laboratories (DLB)?

Dagmar Dolby and the Dagmar Dolby Trust are reported as 10% owners of Dolby Laboratories. The filing describes multiple trusts and LLCs holding Class B shares convertible into Class A, with Dagmar Dolby serving as trustee or manager and often sharing or delegating voting authority.

At what price were the Dolby Laboratories (DLB) shares converted and gifted?

Both the conversion and the subsequent gift were reported at $0 per share. Each Class B share was exchangeable into one Class A share at no cost, and the 380,000 Class A shares were then gifted without consideration to an unaffiliated charitable organization.

Do Dolby family trusts still hold Dolby Laboratories (DLB) shares after this Form 4?

Yes. While 380,000 Class A shares were gifted away, the filing shows significant remaining indirect holdings of Class B Common Stock across several Dolby family trusts and LLCs. These Class B shares are convertible at any time into an equal number of Class A shares.