| Dec 16, 2025 | YEAMAN KEVIN J | Open Market Sale | 33517 | 66.84 | $ 2,240,238.36 |
| Dec 16, 2025 | SHERMAN MARK ANDREW | Open Market Sale | 11600 | 66.85 | $ 775,402.87 |
| Dec 15, 2025 | YEAMAN KEVIN J | Grant | 65968 | 0.00 | $ 0.00 |
| Dec 15, 2025 | YEAMAN KEVIN J | Option Excercise | 17633 | 0.00 | $ 0.00 |
| Dec 15, 2025 | YEAMAN KEVIN J | Option Excercise | 34035 | 67.35 | $ 2,292,417.30 |
| Dec 15, 2025 | Revankar Shriram | Grant | 22617 | 0.00 | $ 0.00 |
| Dec 15, 2025 | Revankar Shriram | Option Excercise | 3412 | 0.00 | $ 0.00 |
| Dec 15, 2025 | Revankar Shriram | Option Excercise | 7246 | 67.25 | $ 487,292.64 |
| Dec 15, 2025 | SHERMAN MARK ANDREW | Grant | 25633 | 0.00 | $ 0.00 |
| Dec 15, 2025 | SHERMAN MARK ANDREW | Option Excercise | 5915 | 0.00 | $ 0.00 |
| Dec 15, 2025 | SHERMAN MARK ANDREW | Option Excercise | 11782 | 67.34 | $ 793,428.68 |
| Dec 15, 2025 | Park Robert J | Grant | 23371 | 0.00 | $ 0.00 |
| Dec 15, 2025 | Park Robert J | Option Excercise | 5687 | 0.00 | $ 0.00 |
| Dec 15, 2025 | Park Robert J | Option Excercise | 8758 | 67.30 | $ 589,413.12 |
| Dec 11, 2025 | Couling John D | Open Market Sale | 7273 | 68.75 | $ 500,018.75 |
| Dec 9, 2025 | YEAMAN KEVIN J | Option Excercise | 34367 | 51.40 | $ 1,766,445.00 |
| Dec 9, 2025 | YEAMAN KEVIN J | Open Market Sale | 34367 | 67.08 | $ 2,305,492.57 |
| Dec 1, 2025 | SHERMAN MARK ANDREW | Option Excercise | 4500 | 64.60 | $ 290,700.00 |
| Dec 1, 2025 | SHERMAN MARK ANDREW | Open Market Sale | 4500 | 67.56 | $ 304,035.75 |
| Nov 26, 2025 | YEAMAN KEVIN J | Other Disposition | 16348 | 0.00 | $ 0.00 |
| Nov 25, 2025 | Prophet Tony A | Open Market Sale | 3300 | 67.85 | $ 223,905.00 |
| Nov 24, 2025 | YEAMAN KEVIN J | Option Excercise | 36699 | 51.59 | $ 1,893,255.40 |
| Nov 24, 2025 | YEAMAN KEVIN J | Open Market Sale | 36699 | 66.91 | $ 2,455,405.31 |
| Nov 21, 2025 | Revankar Shriram | Open Market Sale | 3000 | 65.55 | $ 196,650.00 |
| Nov 20, 2025 | Couling John D | Open Market Sale | 6164 | 66.12 | $ 407,563.68 |
| Oct 14, 2025 | YEAMAN KEVIN J | Option Excercise | 25000 | 45.50 | $ 1,137,500.00 |
| Oct 14, 2025 | YEAMAN KEVIN J | Open Market Sale | 25000 | 68.87 | $ 1,721,841.90 |
| Sep 16, 2025 | YEAMAN KEVIN J | Option Excercise | 25000 | 45.50 | $ 1,137,500.00 |
| Sep 16, 2025 | YEAMAN KEVIN J | Open Market Sale | 25000 | 71.66 | $ 1,791,490.00 |
| Aug 22, 2025 | Revankar Shriram | Open Market Sale | 7000 | 74.92 | $ 524,440.00 |
| Aug 12, 2025 | YEAMAN KEVIN J | Option Excercise | 25000 | 45.50 | $ 1,137,500.00 |
| Aug 12, 2025 | YEAMAN KEVIN J | Open Market Sale | 25000 | 72.31 | $ 1,807,827.50 |
| Jul 15, 2025 | YEAMAN KEVIN J | Option Excercise | 42366 | 53.33 | $ 2,259,343.60 |
| Jul 15, 2025 | YEAMAN KEVIN J | Open Market Sale | 42366 | 74.83 | $ 3,170,114.79 |
| Jun 24, 2025 | YEAMAN KEVIN J | Option Excercise | 25000 | 45.50 | $ 1,137,500.00 |
| Jun 24, 2025 | YEAMAN KEVIN J | Open Market Sale | 25000 | 74.02 | $ 1,850,530.00 |
| Jun 10, 2025 | YEAMAN KEVIN J | Option Excercise | 33683 | 50.42 | $ 1,698,421.80 |
| Jun 10, 2025 | YEAMAN KEVIN J | Open Market Sale | 33683 | 76.22 | $ 2,567,481.42 |
| Jun 4, 2025 | SHERMAN MARK ANDREW | Option Excercise | 15000 | 64.60 | $ 969,000.00 |
| Jun 4, 2025 | SHERMAN MARK ANDREW | Open Market Sale | 15000 | 75.02 | $ 1,125,286.50 |
| May 30, 2025 | SHERMAN MARK ANDREW | Open Market Sale | 350 | 74.97 | $ 26,239.50 |
| May 16, 2025 | Revankar Shriram | Option Excercise | 4329 | 77.24 | $ 334,371.96 |
| May 5, 2025 | Couling John D | Open Market Sale | 675 | 75.04 | $ 50,652.00 |
| Feb 19, 2025 | Dolby Dagmar | Other Disposition | 510000 | 0.00 | $ 0.00 |
| Feb 19, 2025 | DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999 | Other Disposition | 510000 | 0.00 | $ 0.00 |
| Feb 19, 2025 | Pendleton Todd | Option Excercise | 7286 | 71.07 | $ 517,816.02 |
| Feb 19, 2025 | Pendleton Todd | Open Market Sale | 18121 | 83.75 | $ 1,517,668.18 |
| Feb 19, 2025 | Dolby Dagmar | Other Aquisition | 510000 | 0.00 | $ 0.00 |
| Feb 19, 2025 | DAGMAR DOLBY TRUST UNDER DOLBY FAMILY TRUST INSTRUMENT DATED MAY 7, 1999 | Other Aquisition | 510000 | 0.00 | $ 0.00 |
| Feb 5, 2025 | Nicholson Ryan | Option Excercise | 7000 | 33.15 | $ 232,050.00 |
| Feb 5, 2025 | Nicholson Ryan | Open Market Sale | 7000 | 84.07 | $ 588,480.20 |
| Feb 4, 2025 | Dolby David | Grant | 3140 | 0.00 | $ 0.00 |
| Feb 4, 2025 | TEVANIAN AVADIS | Grant | 3140 | 0.00 | $ 0.00 |
| Feb 4, 2025 | Segars Simon | Grant | 3140 | 0.00 | $ 0.00 |
| Feb 4, 2025 | Rollins Emily | Grant | 3140 | 0.00 | $ 0.00 |
| Feb 4, 2025 | Prophet Tony A | Grant | 3140 | 0.00 | $ 0.00 |
| Feb 4, 2025 | GOTCHER PETER C | Grant | 3140 | 0.00 | $ 0.00 |
| Jan 30, 2025 | SHERMAN MARK ANDREW | Option Excercise | 40000 | 62.32 | $ 2,492,800.00 |
| Jan 30, 2025 | SHERMAN MARK ANDREW | Open Market Sale | 40000 | 84.88 | $ 3,395,102.50 |
| Jan 30, 2025 | Rollins Emily | Open Market Sale | 1000 | 84.90 | $ 84,900.00 |