Thomas J. Seifert serves as Executive at ADVANCED MICRO DEVICES INC, where they oversee executive responsibilities. Since joining the company, Thomas J. Seifert has executed 621 insider transactions totaling $218.2M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 22, 2025 involved selling 483 shares valued at $98.2K.
Thomas J. Seifert currently holds 137,486 shares of ADVANCED MICRO DEVICES INC (AMD), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Thomas J. Seifert has been a net seller of AMD stock. They have purchased $0 and sold $218.2M worth of shares.
Thomas J. Seifert's most recent insider trade was on Dec 22, 2025, when they sold 483 shares at $203.35 per share.
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| $202.37 |
| Discretionary |
| Dec 22, 2025 | NET | $974.6K | Sale | 4,836 | $201.52 | Discretionary |
| Dec 22, 2025 | NET | $200.6K | Sale | 1,000 | $200.58 | Discretionary |
| Dec 22, 2025 | NET | $70.1K | Sale | 353 | $198.64 | Discretionary |
| Dec 22, 2025 | NET | $0 | Conversion | 10,000 | $N/A | Discretionary |
| Nov 20, 2025 | NET | $2.6M | Sale | 13,331 | $191.45 | Discretionary |
| Nov 20, 2025 | NET | $432.4K | Sale | 2,272 | $190.31 | Discretionary |
| Nov 20, 2025 | NET | $0 | Conversion | 10,000 | $N/A | Discretionary |
| Nov 20, 2025 | NET | $341.3K | Sale | 1,703 | $200.42 | Discretionary |
| Nov 20, 2025 | NET | $1.7M | Sale | 8,666 | $192.47 | Discretionary |
| Nov 20, 2025 | NET | $527.3K | Sale | 2,725 | $193.50 | Discretionary |
| Nov 20, 2025 | NET | $369.2K | Sale | 1,900 | $194.34 | Discretionary |
| Nov 20, 2025 | NET | $293.3K | Sale | 1,500 | $195.55 | Discretionary |
| Nov 20, 2025 | NET | $117.8K | Sale | 600 | $196.39 | Discretionary |
| Nov 20, 2025 | NET | $536.8K | Sale | 2,700 | $198.83 | Discretionary |
| Nov 20, 2025 | NET | $268.4K | Sale | 1,358 | $197.65 | Discretionary |
| Nov 20, 2025 | NET | $679.1K | Sale | 3,400 | $199.75 | Discretionary |
| Nov 20, 2025 | NET | $20.3K | Sale | 100 | $202.96 | Discretionary |
| Nov 20, 2025 | NET | $263.0K | Sale | 1,300 | $202.31 | Discretionary |
| Nov 15, 2025 | NET | $4.3M | Payment | 20,476 | $210.60 | Discretionary |
| Oct 20, 2025 | NET | $64.0K | Sale | 300 | $213.40 | Discretionary |
| Oct 20, 2025 | NET | $0 | Conversion | 10,000 | $N/A | Discretionary |
| Oct 20, 2025 | NET | $104.8K | Sale | 500 | $209.62 | Discretionary |
| Oct 20, 2025 | NET | $548.0K | Sale | 2,600 | $210.78 | Discretionary |
| Oct 20, 2025 | NET | $583.0K | Sale | 2,754 | $211.71 | Discretionary |
| Oct 20, 2025 | NET | $818.2K | Sale | 3,846 | $212.75 | Discretionary |
| Sep 22, 2025 | NET | $92.0K | Sale | 400 | $229.93 | Discretionary |
| Sep 22, 2025 | NET | $637.1K | Sale | 2,778 | $229.33 | Discretionary |
| Sep 22, 2025 | NET | $689.9K | Sale | 3,022 | $228.29 | Discretionary |