Insider Transactions

Papermaster Mark D

Chief Technology Officer & EVP

In the last 12 months, Papermaster Mark D filed 65 SEC Form 4 transactions across 1 issuer: $0 in open-market purchases and $55.5M in open-market sales. 32% of these transactions were executed under a pre-scheduled Rule 10b5-1 trading plan.

Issuers Filed For By open-market buy volume

Recent Form 4 Filings Most recent 65 of 65 (1-year window)

Date Ticker Company Type SEC Code Value Shares Price
2026-08-20 AMD ADVANCED MICRO DEVICES INC Sell 10b5-1 S $2.9M 6,181 $466.6
2026-08-20 AMD ADVANCED MICRO DEVICES INC Sell 10b5-1 S $310.7K 664 $467.9
2026-08-20 AMD ADVANCED MICRO DEVICES INC Sell 10b5-1 S $187.9K 400 $469.9
2026-08-20 AMD ADVANCED MICRO DEVICES INC Sell 10b5-1 S $1.1M 2,326 $471.4
2026-08-20 AMD ADVANCED MICRO DEVICES INC Sell 10b5-1 S $1.2M 2,600 $472.4
2026-08-20 AMD ADVANCED MICRO DEVICES INC Sell 10b5-1 S $3.2M 6,667 $473.5
2026-08-20 AMD ADVANCED MICRO DEVICES INC Sell 10b5-1 S $4.5M 9,523 $474.4
2026-08-20 AMD ADVANCED MICRO DEVICES INC Sell 10b5-1 S $213.8K 450 $475.2
2026-08-19 AMD ADVANCED MICRO DEVICES INC Other G $0 25,052 $0.0
2026-08-15 AMD ADVANCED MICRO DEVICES INC Exercise M $0 121,976 $0.0
2026-08-15 AMD ADVANCED MICRO DEVICES INC Exercise M $0 118,920 $0.0
2026-08-15 AMD ADVANCED MICRO DEVICES INC Exercise M $0 3,056 $0.0
2026-08-15 AMD ADVANCED MICRO DEVICES INC Grant A $0 11,855 $0.0
2026-08-15 AMD ADVANCED MICRO DEVICES INC Grant A $0 7,903 $0.0
2026-08-15 AMD ADVANCED MICRO DEVICES INC Other F $24.1M 46,796 $514.4
2026-08-15 AMD ADVANCED MICRO DEVICES INC Other F $618.8K 1,203 $514.4
2026-08-14 AMD ADVANCED MICRO DEVICES INC Exercise 10b5-1 M $625.3K 7,369 $84.8
2026-08-14 AMD ADVANCED MICRO DEVICES INC Exercise M $0 7,369 $0.0
2026-08-14 AMD ADVANCED MICRO DEVICES INC Sell 10b5-1 S $3.6M 7,369 $487.3
2026-08-09 AMD ADVANCED MICRO DEVICES INC Exercise M $0 12,633 $0.0
2026-08-09 AMD ADVANCED MICRO DEVICES INC Exercise M $0 5,431 $0.0
2026-08-09 AMD ADVANCED MICRO DEVICES INC Exercise M $0 3,964 $0.0
2026-08-09 AMD ADVANCED MICRO DEVICES INC Exercise M $0 3,238 $0.0
2026-08-09 AMD ADVANCED MICRO DEVICES INC Other F $2.4M 4,973 $483.4
2026-07-15 AMD ADVANCED MICRO DEVICES INC Exercise 10b5-1 M $509.1K 6,000 $84.8
2026-07-15 AMD ADVANCED MICRO DEVICES INC Exercise M $0 6,000 $0.0
2026-07-15 AMD ADVANCED MICRO DEVICES INC Sell 10b5-1 S $3.3M 6,000 $556.4
2026-06-15 AMD ADVANCED MICRO DEVICES INC Exercise 10b5-1 M $509.1K 6,000 $84.8
2026-06-15 AMD ADVANCED MICRO DEVICES INC Exercise M $0 6,000 $0.0
2026-06-15 AMD ADVANCED MICRO DEVICES INC Sell 10b5-1 S $3.2M 6,000 $536.3
2026-05-15 AMD ADVANCED MICRO DEVICES INC Exercise 10b5-1 M $509.1K 6,000 $84.8
2026-05-15 AMD ADVANCED MICRO DEVICES INC Exercise M $0 6,000 $0.0
2026-05-15 AMD ADVANCED MICRO DEVICES INC Sell 10b5-1 S $2.6M 6,000 $433.8
2026-05-11 AMD ADVANCED MICRO DEVICES INC Other G $0 2,350 $0.0
2026-04-24 AMD ADVANCED MICRO DEVICES INC Sell 10b5-1 S $11.0M 31,320 $350.0
2026-04-16 AMD ADVANCED MICRO DEVICES INC Sell 10b5-1 S $7.5M 27,109 $275.0
2026-04-15 AMD ADVANCED MICRO DEVICES INC Exercise 10b5-1 M $509.1K 6,000 $84.8
2026-04-15 AMD ADVANCED MICRO DEVICES INC Exercise M $0 6,000 $0.0
2026-04-15 AMD ADVANCED MICRO DEVICES INC Sell 10b5-1 S $1.5M 6,000 $255.5
2026-04-06 AMD ADVANCED MICRO DEVICES INC Sell 10b5-1 S $740.9K 3,293 $225.0
2026-03-04 AMD ADVANCED MICRO DEVICES INC Sell $606.8K 3,034 $200.0
2026-02-24 AMD ADVANCED MICRO DEVICES INC Grant $0 206,606 $0.0
2026-02-24 AMD ADVANCED MICRO DEVICES INC Grant $0 206,606 $0.0
2026-02-24 AMD ADVANCED MICRO DEVICES INC Grant $0 206,606 $0.0
2026-02-24 AMD ADVANCED MICRO DEVICES INC Grant $0 206,606 $0.0
2025-12-02 AMD ADVANCED MICRO DEVICES INC Grant $0 500 $0.0
2025-11-14 AMD ADVANCED MICRO DEVICES INC Grant $584.9K 17,108 $34.2
2025-11-14 AMD ADVANCED MICRO DEVICES INC Grant $0 17,108 $0.0
2025-11-14 AMD ADVANCED MICRO DEVICES INC Sell $442.5K 1,876 $235.9
2025-11-14 AMD ADVANCED MICRO DEVICES INC Sell $260.1K 1,100 $236.5
2025-11-14 AMD ADVANCED MICRO DEVICES INC Sell $142.8K 600 $238.0
2025-11-14 AMD ADVANCED MICRO DEVICES INC Sell $406.1K 1,700 $238.9
2025-11-14 AMD ADVANCED MICRO DEVICES INC Sell $1.3M 5,277 $240.1
2025-11-14 AMD ADVANCED MICRO DEVICES INC Sell $445.2K 1,848 $240.9
2025-11-14 AMD ADVANCED MICRO DEVICES INC Sell $509.0K 2,100 $242.4
2025-11-14 AMD ADVANCED MICRO DEVICES INC Sell $389.4K 1,600 $243.3
2025-11-14 AMD ADVANCED MICRO DEVICES INC Sell $245.7K 1,007 $244.0
2025-10-15 AMD ADVANCED MICRO DEVICES INC Grant $574.4K 16,800 $34.2
2025-10-15 AMD ADVANCED MICRO DEVICES INC Grant $0 16,800 $0.0
2025-10-15 AMD ADVANCED MICRO DEVICES INC Sell $226.7K 1,024 $221.4
2025-10-15 AMD ADVANCED MICRO DEVICES INC Sell $593.2K 2,665 $222.6
2025-10-15 AMD ADVANCED MICRO DEVICES INC Sell $379.8K 1,700 $223.4
2025-10-15 AMD ADVANCED MICRO DEVICES INC Sell $1.3M 5,695 $224.5
2025-10-15 AMD ADVANCED MICRO DEVICES INC Sell $1.2M 5,516 $225.6
2025-10-15 AMD ADVANCED MICRO DEVICES INC Sell $45.2K 200 $226.2

Methodology & FAQ

How These Filings Are Sourced

All transactions on this page are sourced directly from SEC EDGAR. A complete description of the open-market vs grant distinction, the Rule 10b5-1 plan-reference heuristic, and the per-insider name matching is documented in the Methodology.

What companies does Papermaster Mark D file Form 4 disclosures for?

Papermaster Mark D has filed SEC Form 4 transactions for 1 issuer in the last 12 months: ADVANCED MICRO DEVICES INC (AMD).

What does the 10b5-1 badge mean on these transactions?

Rule 10b5-1 is an SEC rule that lets insiders schedule trades in advance under a written plan, providing an affirmative defense against insider-trading allegations as long as the plan was adopted in good faith and not while in possession of material non-public information. Of Papermaster Mark D's 65 reported transactions in the last 12 months, 21 (32%) reference a 10b5-1 trading plan in the Form 4 footnotes.

Are these all the transactions Papermaster Mark D has executed?

This page shows SEC Form 4 transactions on record in Pactolio's tracked universe for the last 12 months. Form 4 only covers transactions in registered classes of equity at issuers where the person qualifies as an insider (officer, director, or 10% beneficial owner). Trades in funds, foreign issuers, or non-insider positions are not disclosed under Form 4 and are not included here.