Dagmar Dolby (NYSE: DLB) shifts 2M Dolby shares into estate trusts
Rhea-AI Filing Summary
Dolby Laboratories, Inc. (DLB) reported insider transactions involving long‑time significant holder Dagmar Dolby and related trusts on August 28, 2026. The Dagmar Dolby Trust converted 300,000 shares of Class B Common Stock into 300,000 shares of Class A Common Stock at no cost and gifted all such Class A shares to an unaffiliated charitable organization, a transaction the footnotes state is exempt from Section 16(b) under Rule 16b-5.
On the same date, the Dagmar Dolby Trust restructured ownership by contributing a total of 2,000,000 Class B shares (convertible 1‑for‑1 into Class A) for no value, with 1,000,000 shares moved to the Dagmar Dolby 2026 Trust AA‑2 and 1,000,000 shares to the Dagmar Dolby 2026 Trust BB, described as tax and estate planning transfers. All reported holdings are indirect, largely through trusts and LLCs, and the reporting persons disclaim beneficial ownership beyond their pecuniary interests.
Positive
- None.
Negative
- None.
Insider Trade Summary
300,000 shares exercised/converted
Exercise
13 txns
Insider
Dolby Dagmar, DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999
Role
10% Owner | 10% Owner
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Gift | Class B Common Stock F4, F5, F3 | 2,000,000 | $0.00 | $0.00 |
| Gift | Class B Common Stock F4, F5, F6 | 1,000,000 | $0.00 | $0.00 |
| Gift | Class B Common Stock F4, F5, F7 | 1,000,000 | $0.00 | $0.00 |
| Conversion | Class B Common Stock F4, F2, F3 | 300,000 | $0.00 | $0.00 |
| Conversion | Class A Common Stock F1, F2, F3 | 300,000 | $0.00 | $0.00 |
| Gift | Class A Common Stock F2, F3 | 300,000 | $0.00 | $0.00 |
| holding | Class B Common Stock F4, F8 | -- | -- | -- |
| holding | Class B Common Stock F4, F9 | -- | -- | -- |
| holding | Class B Common Stock F4, F10 | -- | -- | -- |
| holding | Class B Common Stock F4, F11 | -- | -- | -- |
| holding | Class B Common Stock F4, F12 | -- | -- | -- |
| holding | Class B Common Stock F4, F13 | -- | -- | -- |
| holding | Class B Common Stock F4, F14 | -- | -- | -- |
Holdings After Transaction:
Class B Common Stock — 6,672,117 shares (Indirect, By a trust);
Class B Common Stock — 4,372,117 shares (Indirect, By Trust);
Class A Common Stock — 0 shares (Indirect, By Trust);
Class B Common Stock — 0 shares (Indirect, By LLC)
Footnotes (14)
- F1. 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.
- F2. On August 28, 2026, the Dagmar Dolby Trust (as defined below) converted 300,000 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 gift transaction is exempt from Section 16(b) by virtue of Rule 16b-5 promulgated under the Securities Exchange Act of 1934, as amended (the "Act").
- F3. Reflects shares 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, son of Dagmar 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.
- F4. 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.
- F5. On August 28, 2026, the Dagmar Dolby Trust contributed a total of 2,000,000 shares of Class B Common Stock: 1,000,000 to a newly formed grantor retained annuity trust, the Dagmar Dolby 2026 Trust AA-2 (as defined below) and 1,000,000 to a newly formed grantor retained annuity trust, the Dagmar Dolby 2026 Trust BB (as defined below). Such share contributions were effected solely for tax and estate planning purposes, and were each a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. As such a change in form of indirect beneficial ownership only, applicable rules consider each a share contribution to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Act, and as a result the reporting persons are voluntarily reporting such share contribution on this Form 4.
- F6. 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 2026 Trust AA-2, dated August 25, 2026 (the "Dagmar Dolby 2026 Trust AA-2"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2026 Trust AA-2. This report is filed by Dagmar Dolby with respect to the securities held by the Dagmar Dolby 2026 Trust AA-2. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.
- F7. 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 2026 Trust BB, dated August 25, 2026 (the "Dagmar Dolby 2026 Trust BB"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2026 Trust BB. This report is filed by Dagmar Dolby with respect to the securities held by the Dagmar Dolby 2026 Trust BB. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.
- F8. 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.
- F9. 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, 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.
- F10. 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.
- F11. 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.
- F12. 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
- F13. 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.
- F14. 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 2026 Trust AA, dated February 25, 2026 (the "Dagmar Dolby 2026 Trust AA"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2026 Trust AA. This report is filed by Dagmar Dolby with respect to the securities held by the Dagmar Dolby 2026 Trust AA. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.
Key Figures
Class B to Class A conversion: 300,000 shares
Charitable gift of Class A Common Stock: 300,000 shares
Estate planning contributions of Class B Common Stock: 2,000,000 shares
+4 more
7 metrics
Class B to Class A conversion
300,000 shares
Shares of Class B Common Stock converted into a like number of Class A shares on August 28, 2026
Charitable gift of Class A Common Stock
300,000 shares
All Class A shares received from the 300,000-share conversion were gifted to an unaffiliated charitable organization
Estate planning contributions of Class B Common Stock
2,000,000 shares
Total Class B shares contributed by the Dagmar Dolby Trust to two newly formed 2026 grantor retained annuity trusts
Contribution to Dagmar Dolby 2026 Trust AA-2
1,000,000 shares
Class B Common Stock contributed for no value to the Dagmar Dolby 2026 Trust AA-2
Contribution to Dagmar Dolby 2026 Trust BB
1,000,000 shares
Class B Common Stock contributed for no value to the Dagmar Dolby 2026 Trust BB
Class B to Class A conversion ratio
1-for-1
Each share of Class B Common Stock is convertible at no cost into one share of Class A Common Stock
Indirect Class B holdings after one conversion
4,372,117 shares
Total shares of Class B Common Stock indirectly held by a trust following a 300,000-share conversion transaction
Key Terms
grantor retained annuity trust, Section 16(b), Rule 16b-5, pecuniary interest, +2 more
6 terms
grantor retained annuity trust financial
"to a newly formed grantor retained annuity trust, the Dagmar Dolby 2026 Trust AA-2"
A grantor retained annuity trust (GRAT) is an estate-planning tool where the person who creates the trust transfers assets into it but receives fixed cash payments (an annuity) from the trust for a set number of years; whatever remains after that term passes to designated beneficiaries. It matters to investors because it can shift future appreciation of assets out of the creator’s taxable estate—like putting an asset into a timed vending machine that pays you fixed amounts while any extra value that grows inside the machine goes to heirs with reduced gift or estate tax consequences.
Section 16(b) regulatory
"The gift transaction is exempt from Section 16(b) by virtue of Rule 16b-5"
A federal rule that requires company insiders—like officers, directors and large shareholders—to return any profits made from buying and selling the company’s stock within a six-month window. It matters to investors because it discourages short-term trades that could exploit non-public information and helps protect outside shareholders by creating a simple, enforceable way to recover unfair gains, much like a rule stopping someone from flipping a limited-edition item for quick profit after getting early access.
Rule 16b-5 regulatory
"exempt from Section 16(b) by virtue of Rule 16b-5 promulgated under"
pecuniary interest financial
"disclaims beneficial ownership of these securities except to the extent of her pecuniary interest"
Class B Common Stock financial
"Shares of Class B Common Stock are convertible, at no cost, at any time"
A class B common stock is one of multiple types of a company’s ordinary shares that carries specific rights—often different voting power or dividend priority—compared with other classes. For investors it matters because those differences affect how much influence you have over company decisions, the income you might receive, and how freely the shares trade; think of it like owning a car with different keys: some keys let you start the engine and open the trunk, others only unlock the door.
Special Trustee financial
"voting power of which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee"
FAQ
What insider transactions did Dagmar Dolby report in the Form 4 for DLB on August 28, 2026?
The filing reports a conversion of 300,000 Class B shares into Class A and a gift of all 300,000 Class A shares to a charitable organization, plus 2,000,000 Class B shares contributed from the Dagmar Dolby Trust into two newly formed grantor retained annuity trusts.
What is the conversion ratio between Dolby Laboratories (DLB) Class B and Class A Common Stock?
Footnotes state that each share of Class B Common Stock is convertible, at no cost and at any time at the holder’s election, into one share of Class A Common Stock on a 1‑for‑1 basis.
Are the reported DLB insider transactions market sales or gifts/transfers?
The reported transactions are gifts and estate-planning transfers. They include a charitable gift of 300,000 Class A shares and contributions of 2,000,000 Class B shares to new grantor retained annuity trusts, all described as transfers for no value, not open‑market sales.
AI-generated analysis. How Rhea-AI works. Not financial advice.
