Latest filingAug 28, 2026Most recent Form 4
DLB
Dolby Laboratories, Inc.
NYSEFinancialsPatent Owners & Lessors
Insider activity for last month from 08/03 to 09/03. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$26.5M2 sells
Net open-market-$26.5M4 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period7transactions
- G · Gifts · dominant3 · 43%
- C · Code C2 · 29%
- S · Open-market sells2 · 29%
Activity by reported role
A joint filing can contribute to multiple roles9transactions
- 10% owner · dominant5 · 56%
- ATG1 · 11%
- CTRL1 · 11%
- SVP1 · 11%
- VP1 · 11%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (4)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeDolby DagmarClass B Common Stock · Indirect · By a trust
1,000,000Aug 28, 2026
Dolby DagmarClass A Common Stock · Indirect · By Trust
0Aug 28, 2026
Dagmar Dolby Trust Under Dolby Family Trust Instrument Dated May 7, 1999Class B Common Stock · Indirect · By a trust
4,672,117Aug 28, 2026
Dagmar Dolby Trust Under Dolby Family Trust Instrument Dated May 7, 1999Class A Common Stock · Indirect · By Trust
300,000Aug 28, 2026
Revankar ShriramClass A Common Stock · Direct
73,274Aug 14, 2026
Nicholson RyanClass A Common Stock · Direct
34,453Aug 25, 2026
Dolby DagmarClass B Common Stock · Indirect · By Trust
4,372,117Aug 28, 2026
Dagmar Dolby Trust Under Dolby Family Trust Instrument Dated May 7, 1999Class B Common Stock · Indirect · By Trust
4,372,117Aug 28, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 03 → Sep 03
LessMore
Top insiders
By absolute net value across the selected period- RS-$188.1k
Recent filing activity
Most recent 1 transactions · color = transaction code- SSell08/18-$18.8MSEC
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
DLB transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| DLB | Revankar Shriram | SVPATG | sale | 3.00k | -$18.8M | S | +0.5% | 08/18 | 08/14 |
Dolby Laboratories, Inc. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at Dolby Laboratories, Inc.?
DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999, Dolby Dagmar, Nicholson Ryan, Revankar Shriram.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Nicholson Ryan reported a sale on Aug 25, 2026 valued at $7.72M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $265,353.05. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.