Papermaster Mark D (CIK 1449649) reported 69 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-06-17). Recent activity: Buy AMD (6,000 shares), Sell AMD (6,000 shares), Buy AMD (6,000 shares), Sell AMD (6,000 shares), Sell AMD (2,350 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 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 |
| 2026-04-17 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 6,000 | $1.5M |
| 2026-04-17 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 27,109 | $7.5M |
| 2026-04-08 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 3,293 | $740,925 |
| 2026-03-06 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 3,034 | $606,800 |
| 2026-02-26 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 206,606 | $0 |
| 2026-02-26 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 206,606 | $0 |
| 2026-02-26 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Buy | 206,606 | $0 |
| 2026-02-26 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Buy | 206,606 | $0 |
| 2026-02-10 | Penguin Solutions, Inc. (PENG) | Director | Buy | 10,034 | $0 |
| 2025-12-04 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 500 | $0 |
| 2025-11-18 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Buy | 17,108 | $584,923 |
| 2025-11-18 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 1,876 | $442,492 |
| 2025-11-18 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 1,100 | $260,128 |
| 2025-11-18 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 600 | $142,800 |
| 2025-11-18 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 1,700 | $406,062 |
| 2025-11-18 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 5,277 | $1.3M |
| 2025-11-18 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 1,848 | $445,220 |
| 2025-11-18 | ADVANCED MICRO DEVICES INC (AMD) | Chief Technology Officer & EVP | Sell | 2,100 | $509,019 |
Source: SEC Form 4 filings · as of 2026-06-17