| 2019-02-28 | Dolby Dagmar | 10% Owner | Sell | 47,929 | $65.06 | $3,118,438.08 | -100% | → |
| 2019-02-27 | Dolby Dagmar | 10% Owner | Sell | 98,543 | $65.24 | $6,428,559.04 | -100% | → |
| 2019-02-25 | Dolby Dagmar | 10% Owner | Sell | 100,000 | $65.50 | $6,549,605.00 | -100% | → |
| 2019-02-22 | SHERMAN MARK ANDREW | EVP, GEN. COUN. & SECRTY | Sale+OE | 29,264 | $65.06 | $1,903,945.41 | -13.2% | → |
| 2019-02-21 | Dolby Dagmar | 10% Owner | Sell | 69,885 | $65.32 | $4,564,755.59 | -100% | → |
| 2019-02-19 | Dolby Dagmar | 10% Owner | Sell | 50,401 | $65.41 | $3,296,686.52 | -100% | → |
| 2019-02-15 | YEAMAN KEVIN J | President and CEO | Sale+OE | 25,000 | $65.00 | $1,625,000.00 | -43.2% | → |
| 2019-02-11 | YEAMAN KEVIN J | President and CEO | Sale+OE | 3,380 | $62.94 | $212,723.16 | -4.9% | → |
| 2019-02-08 | CHEW LEWIS | EVP & Chief Financial Officer | Sale+OE | 35,000 | $63.28 | $2,214,642.50 | -27.6% | → |
| 2019-02-08 | YEAMAN KEVIN J | President and CEO | Sale+OE | 100,000 | $63.70 | $6,370,064.20 | -37.1% | → |
| 2019-02-06 | Dolby Dagmar | 10% Owner | Sell | 50,000 | $65.25 | $3,262,410.00 | -100% | → |
| 2019-02-05 | JASPER N WILLIAM JR | Director | Sell | 3,920 | $65.00 | $254,800.00 | -35.9% | → |
| 2019-02-05 | TEVANIAN AVADIS | Director | Sell | 1,960 | $65.00 | $127,400.00 | -4.0% | → |
| 2019-02-05 | GOTCHER PETER C | Director | Sell | 3,920 | $65.00 | $254,800.00 | -8.4% | → |
| 2019-02-05 | Dolby Dagmar | 10% Owner | Sell | 52,254 | $65.39 | $3,416,656.27 | -100% | → |
| 2018-12-18 | YEAMAN KEVIN J | President and CEO | Sell | 17,601 | $64.58 | $1,136,673.76 | -18.5% | → |
| 2018-12-18 | Baker Giles | SVP, Consumer Entertainment | Sell | 6,032 | $64.53 | $389,267.50 | -8.8% | → |
| 2018-12-18 | SHERMAN MARK ANDREW | EVP, GEN. COUN. & SECRTY | Sell | 4,726 | $64.55 | $305,062.60 | -4.5% | → |
| 2018-11-02 | CHEW LEWIS | EVP & Chief Financial Officer | Sale+OE | 35,000 | $69.44 | $2,430,305.32 | -11.9% | → |
| 2018-11-01 | GOTCHER PETER C | Director | Sell | 3,334 | $70.00 | $233,380.00 | -7.3% | → |
| 2018-09-04 | Dolby Dagmar | 10% Owner | Sell | 22,642 | $70.07 | $1,586,486.45 | -100% | → |
| 2018-08-23 | YEAMAN KEVIN J | President and CEO | Sale+OE | 30,000 | $70.00 | $2,100,000.00 | -47.7% | → |
| 2018-08-23 | SHERMAN MARK ANDREW | EVP, GEN. COUN. & SECRTY | Sale+OE | 10,000 | $70.00 | $700,000.00 | -17.2% | → |
| 2018-08-23 | Baker Giles | SVP, Consumer Entertainment | Sale+OE | 5,000 | $70.00 | $350,003.00 | -14.0% | → |
| 2018-08-07 | CHEW LEWIS | EVP & Chief Financial Officer | Sale+OE | 17,000 | $65.47 | $1,112,906.70 | -16.4% | → |
| 2018-08-01 | YEAMAN KEVIN J | President and CEO | Sell | 15,000 | $64.48 | $967,128.31 | -18.5% | → |
| 2018-07-09 | Dolby Dagmar | 10% Owner | Sell | 77,358 | $61.80 | $4,780,904.15 | -100% | → |
| 2018-07-05 | Dolby Dagmar | 10% Owner | Sell | 100,000 | $61.34 | $6,133,575.00 | -100% | → |
| 2018-07-02 | Dolby Dagmar | 10% Owner | Sell | 50,000 | $61.23 | $3,061,285.00 | -100% | → |