John D Couling
CIK 1894052 · View on SEC EDGAR ↗
First SEC filing: Nov. 17, 2021 · Latest: Nov. 17, 2021
On this page
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 3, 2026 | DLB | S | 783 | $59.03 | $46,220 | 125,611 Direct | -0.62% | Disposed | 5.5% (price as of 2026-08-19) |
| Aug. 3, 2026 | DLB | S | 6,884 | $60.11 | $413,797 | 118,727 Direct | -5.48% | Disposed | 3.6% (price as of 2026-08-19) |
| July 1, 2026 | DLB | S | 7,667 | $53.20 | $407,884 | 118,727 Direct | -6.07% | Disposed | 17.1% (price as of 2026-08-19) |
| June 1, 2026 | DLB | S 10b5-1 | 508 | $56.16 | $28,529 | 118,727 Direct | -0.43% | Disposed | 10.9% (price as of 2026-08-19) |
| June 1, 2026 | DLB | S 10b5-1 | 7,158 | $55.59 | $397,913 | 119,235 Direct | -5.66% | Disposed | 12.0% (price as of 2026-08-19) |
| May 5, 2026 | DLB | S 10b5-1 | 738 | $58.34 | $43,055 | 118,353 Direct | -0.62% | Disposed | 6.8% (price as of 2026-08-19) |
| May 5, 2026 | DLB | S 10b5-1 | 6,928 | $57.47 | $398,152 | 119,091 Direct | -5.50% | Disposed | 8.4% (price as of 2026-08-19) |
| May 4, 2026 | DLB | S 10b5-1 | 4,688 | $58.46 | $274,060 | 118,353 Direct | -3.81% | Disposed | 6.5% (price as of 2026-08-19) |
| Feb. 2, 2026 | DLB | S | 6,667 | $64.89 | $432,622 | 123,041 Direct | -5.14% | Disposed | -4.0% (price as of 2026-08-19) |
| Dec. 11, 2025 | DLB | S | 7,273 | $68.75 | $500,019 | 108,065 Direct | -6.31% | Disposed | -9.4% (price as of 2026-08-19) |
| Nov. 20, 2025 | DLB | S | 6,164 | $66.12 | $407,564 | 115,338 Direct | -5.07% | Disposed | -5.8% (price as of 2026-08-19) |
| May 5, 2025 | DLB | S | 675 | $75.04 | $50,652 | 121,151 Direct | -0.55% | Disposed | -17.0% (price as of 2026-08-19) |
| Nov. 25, 2024 | DLB | S | 7,000 | $80.50 | $563,500 | 106,806 Direct | -6.15% | Disposed | -22.6% (price as of 2026-08-19) |
| Nov. 22, 2024 | DLB | S | 48,000 | $80.00 | $3,840,000 | 106,806 Direct | -31.01% | Disposed | -22.2% (price as of 2026-08-19) |
| Nov. 22, 2024 | DLB | S | 2,000 | $81.00 | $162,000 | 106,806 Direct | -1.84% | Disposed | -23.1% (price as of 2026-08-19) |
| Feb. 9, 2024 | DLB | S | 33,560 | $80.81 | $2,711,984 | 108,519 Direct | -23.62% | Disposed | -22.9% (price as of 2026-08-19) |
| Feb. 9, 2024 | DLB | S | 33,560 | $80.81 | $2,711,984 | 108,519 Direct | -23.62% | Disposed | -22.9% (price as of 2026-08-19) |
| Feb. 8, 2024 | DLB | S | 50,000 | $80.00 | $4,000,000 | 108,519 Direct | -31.54% | Disposed | -22.2% (price as of 2026-08-19) |
| Feb. 8, 2024 | DLB | S | 50,000 | $80.00 | $4,000,000 | 108,519 Direct | -31.54% | Disposed | -22.2% (price as of 2026-08-19) |
| Nov. 15, 2023 | DLB | S | 79 | $88.58 | $6,998 | 96,370 Direct | -0.08% | Disposed | -29.7% (price as of 2026-08-19) |
| May 15, 2023 | DLB | S | 278 | $83.87 | $23,316 | 96,245 Direct | -0.29% | Disposed | -25.7% (price as of 2026-08-19) |
| Feb. 7, 2023 | DLB | S | 5,801 | $84.37 | $489,430 | 96,245 Direct | -5.68% | Disposed | -26.2% (price as of 2026-08-19) |
| Feb. 7, 2023 | DLB | S | 31,202 | $83.86 | $2,616,600 | 102,046 Direct | -23.42% | Disposed | -25.7% (price as of 2026-08-19) |
| Feb. 6, 2023 | DLB | S | 8,262 | $85.24 | $704,253 | 96,245 Direct | -7.91% | Disposed | -26.9% (price as of 2026-08-19) |
| Feb. 6, 2023 | DLB | S | 41,738 | $84.48 | $3,526,026 | 104,507 Direct | -28.54% | Disposed | -26.3% (price as of 2026-08-19) |
| Nov. 21, 2022 | DLB | S | 40 | $69.02 | $2,761 | 79,195 Direct | -0.05% | Disposed | -9.8% (price as of 2026-08-19) |
| Oct. 4, 2022 | DLB | S | 4,300 | $67.72 | $291,196 | 79,235 Direct | -5.15% | Disposed | -8.0% (price as of 2026-08-19) |
| Oct. 3, 2022 | DLB | S | 12,020 | $65.81 | $791,036 | 79,235 Direct | -13.17% | Disposed | -5.4% (price as of 2026-08-19) |
| Oct. 3, 2022 | DLB | S | 8,680 | $65.33 | $567,064 | 91,255 Direct | -8.69% | Disposed | -4.7% (price as of 2026-08-19) |
| Oct. 3, 2022 | DLB | S | 29,300 | $66.30 | $1,942,590 | 79,235 Direct | -27.00% | Disposed | -6.1% (price as of 2026-08-19) |
| May 16, 2022 | DLB | S | 185 | $74.63 | $13,807 | 79,235 Direct | -0.23% | Disposed | -16.5% (price as of 2026-08-19) |
| May 12, 2022 | DLB | S | 1,000 | $73.00 | $73,000 | 79,172 Direct | -1.25% | Disposed | -14.7% (price as of 2026-08-19) |
| May 11, 2022 | DLB | S | 500 | $72.61 | $36,305 | 80,172 Direct | -0.62% | Disposed | -14.2% (price as of 2026-08-19) |
Showing latest 100 of 106 transactions
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Aug. 3, 2026 | DLB | Employee Stock Option (Right to Buy) | Class A Common Stock (7,667) | $45.50 | Dec. 15, 2026 | 7,667 | Disposed |
| July 1, 2026 | DLB | Employee Stock Option (Right to Buy) | Class A Common Stock (7,667) | $45.50 | Dec. 15, 2026 | 7,667 | Disposed |
| June 1, 2026 | DLB | Employee Stock Option (Right to Buy) | Class A Common Stock (7,666) | $45.50 | Dec. 15, 2026 | 7,666 | Disposed |
| May 5, 2026 | DLB | Employee Stock Option (Right to Buy) | Class A Common Stock (7,666) | $45.50 | Dec. 15, 2026 | 7,666 | Disposed |
| Dec. 15, 2025 | DLB | Performance-Based Restricted Stock Unit | Class A Common Stock (6,825) | — | — | 6,825 | Disposed |
| Dec. 15, 2025 | DLB | Employee Stock Option (Right to Buy) | Class A Common Stock (56,440) | $66.62 | Dec. 15, 2035 | 56,440 | Acquired |
| Dec. 15, 2025 | DLB | Performance-Based Restricted Stock Unit | Class A Common Stock (12,816) | — | — | 12,816 | Acquired |
| Dec. 16, 2024 | DLB | Performance-Based Restricted Stock Unit | Class A Common Stock (5,990) | — | — | 5,990 | Disposed |
| Dec. 16, 2024 | DLB | Employee Stock Option (Right to Buy) | Class A Common Stock (36,446) | $77.91 | Dec. 16, 2034 | 36,446 | Acquired |
| Dec. 16, 2024 | DLB | Performance-Based Restricted Stock Unit | Class A Common Stock (10,366) | — | — | 10,366 | Acquired |
| Nov. 25, 2024 | DLB | Employee Stock Option (Right to Buy) | Class A Common Stock (7,000) | $64.60 | Dec. 17, 2025 | 7,000 | Disposed |
| Nov. 22, 2024 | DLB | Employee Stock Option (Right to Buy) | Class A Common Stock (8,000) | $64.60 | Dec. 17, 2025 | 8,000 | Disposed |
| Nov. 22, 2024 | DLB | Employee Stock Option (Right to Buy) | Class A Common Stock (40,000) | $33.15 | Dec. 15, 2025 | 40,000 | Disposed |
| Feb. 9, 2024 | DLB | Employee Stock Option (Right to Buy) | Class A Common Stock (21,120) | $62.32 | Dec. 15, 2024 | 21,120 | Disposed |
| Feb. 9, 2024 | DLB | Employee Stock Option (Right to Buy) | Class A Common Stock (12,440) | $42.98 | Dec. 15, 2024 | 12,440 | Disposed |
| Feb. 9, 2024 | DLB | Employee Stock Option (Right to Buy) | Class A Common Stock (21,120) | $62.32 | Dec. 15, 2024 | 21,120 | Disposed |
| Feb. 9, 2024 | DLB | Employee Stock Option (Right to Buy) | Class A Common Stock (12,440) | $42.98 | Dec. 15, 2024 | 12,440 | Disposed |
| Feb. 8, 2024 | DLB | Employee Stock Option (Right to Buy) | Class A Common Stock (50,000) | $42.98 | Dec. 15, 2024 | 50,000 | Disposed |
| Feb. 8, 2024 | DLB | Employee Stock Option (Right to Buy) | Class A Common Stock (50,000) | $42.98 | Dec. 15, 2024 | 50,000 | Disposed |
| Dec. 15, 2023 | DLB | Performance-Based Restricted Stock Unit | Class A Common Stock (5,427) | — | — | 5,427 | Disposed |
| Dec. 15, 2023 | DLB | Employee Stock Option (Right to Buy) | Class A Common Stock (30,327) | $87.49 | Dec. 15, 2033 | 30,327 | Acquired |
| Dec. 15, 2023 | DLB | Performance-Based Restricted Stock Unit | Class A Common Stock (8,651) | — | — | 8,651 | Acquired |
| Feb. 7, 2023 | DLB | Employee Stock Option (right to buy) | Class A Common Stock (21,850) | $45.50 | Dec. 15, 2023 | 21,850 | Disposed |
| Feb. 7, 2023 | DLB | Employee Stock Option (right to buy) | Class A Common Stock (15,153) | $37.35 | Dec. 16, 2023 | 15,153 | Disposed |
| Feb. 6, 2023 | DLB | Employee Stock Option (right to buy) | Class A Common Stock (50,000) | $37.35 | Dec. 16, 2023 | 50,000 | Disposed |
| Dec. 16, 2022 | DLB | Performance-Based Restricted Stock Unit | Class A Common Stock (4,858) | — | — | 4,858 | Disposed |
| Dec. 15, 2022 | DLB | Employee Stock Option (Right to Buy) | Class A Common Stock (38,013) | $71.07 | Dec. 15, 2031 | 38,013 | Acquired |
| Dec. 15, 2022 | DLB | Performance-Based Restricted Stock Unit | Class A Common Stock (10,557) | — | — | 10,557 | Acquired |
| Oct. 4, 2022 | DLB | Employee Stock Option (right to buy) | Class A Common Stock (4,300) | $33.15 | Dec. 15, 2022 | 4,300 | Disposed |
| Oct. 3, 2022 | DLB | Employee Stock Option (right to buy) | Class A Common Stock (20,700) | $33.15 | Dec. 15, 2022 | 20,700 | Disposed |
| Oct. 3, 2022 | DLB | Employee Stock Option (right to buy) | Class A Common Stock (29,300) | $30.49 | Dec. 21, 2022 | 29,300 | Disposed |
| Dec. 15, 2021 | DLB | Employee Stock Option (Right to Buy) | Class A Common Stock (35,244) | $91.80 | Dec. 15, 2031 | 35,244 | Acquired |
| Dec. 15, 2021 | DLB | Performance-Based Restricted Stock Unit | Class A Common Stock (8,513) | — | — | 8,513 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 16 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Nov. 17, 2021 | DLB | Class A Common Stock | 68,464 | Direct |
| Nov. 17, 2021 | DLB | Employee Stock Option (Right to Buy)→ Class A Common Stock (29,300) | 29,300 | Direct |
| Nov. 17, 2021 | DLB | Employee Stock Option (Right to Buy)→ Class A Common Stock (65,153) | 65,153 | Direct |
| Nov. 17, 2021 | DLB | Employee Stock Option (Right to Buy)→ Class A Common Stock (62,440) | 62,440 | Direct |
| Nov. 17, 2021 | DLB | Employee Stock Option (Right to Buy)→ Class A Common Stock (40,000) | 40,000 | Direct |
| Nov. 17, 2021 | DLB | Employee Stock Option (Right to Buy)→ Class A Common Stock (46,000) | 46,000 | Direct |
| Nov. 17, 2021 | DLB | Employee Stock Option (Right to Buy)→ Class A Common Stock (44,000) | 44,000 | Direct |
| Nov. 17, 2021 | DLB | Employee Stock Option (Right to Buy)→ Class A Common Stock (40,000) | 40,000 | Direct |
| Nov. 17, 2021 | DLB | Employee Stock Option (Right to Buy)→ Class A Common Stock (54,550) | 54,550 | Direct |
| Nov. 17, 2021 | DLB | Employee Stock Option (Right to Buy)→ Class A Common Stock (28,903) | 28,903 | Direct |
| Nov. 17, 2021 | DLB | Performance-Based Stock Option (Right to Buy)→ Class A Common Stock (25,000) | 25,000 | Direct |
| Nov. 17, 2021 | DLB | Performance-Based Stock Option (Right to Buy)→ Class A Common Stock (21,850) | 21,850 | Direct |
| Nov. 17, 2021 | DLB | Performance-Based Stock Option (Right to Buy)→ Class A Common Stock (21,120) | 21,120 | Direct |
| Nov. 17, 2021 | DLB | Performance-Based Stock Option (Right to Buy)→ Class A Common Stock (20,000) | 20,000 | Direct |
| Nov. 17, 2021 | DLB | Performance-Based Restricted Stock Unit→ Class A Common Stock (6,000) | 6,000 | Direct |
| Nov. 17, 2021 | DLB | Performance-Based Restricted Stock Unit→ Class A Common Stock (6,750) | 6,750 | Direct |