Papermaster Mark D (CIK 1449649) reported 82 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-08-21). Recent activity: Sell AMD (25,052 shares), Sell AMD (6,181 shares), Sell AMD (664 shares), Sell AMD (400 shares), Sell AMD (2,326 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-21 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 25,052 | $0 |
| 2026-08-21 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 6,181 | $2.9M |
| 2026-08-21 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 664 | $310,672 |
| 2026-08-21 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 400 | $187,940 |
| 2026-08-21 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 2,326 | $1.1M |
| 2026-08-21 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 2,600 | $1.2M |
| 2026-08-21 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 6,667 | $3.2M |
| 2026-08-21 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 9,523 | $4.5M |
| 2026-08-21 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 450 | $213,836 |
| 2026-08-18 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 46,796 | $24.1M |
| 2026-08-18 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 7,369 | $3.6M |
| 2026-08-18 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Buy | 121,976 | $0 |
| 2026-08-18 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Buy | 7,369 | $625,260 |
| 2026-08-18 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 1,203 | $618,811 |
| 2026-08-11 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Buy | 12,633 | $0 |
| 2026-08-11 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 4,973 | $2.4M |
| 2026-07-17 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Buy | 6,000 | $509,100 |
| 2026-07-17 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 6,000 | $3.3M |
| 2026-06-17 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Buy | 6,000 | $509,100 |
| 2026-06-17 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 6,000 | $3.2M |
| 2026-05-19 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Buy | 6,000 | $509,100 |
| 2026-05-19 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 6,000 | $2.6M |
| 2026-05-13 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 2,350 | $0 |
| 2026-04-28 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 31,320 | $11.0M |
| 2026-04-17 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Buy | 6,000 | $509,100 |
Source: SEC Form 4 filings · as of 2026-08-21