James D Plummer - Net Worth and Insider Trading
James D Plummer Net Worth
The estimated net worth of James D Plummer is at least $9 Million dollars as of 2025-06-30. James D Plummer is the Director of Cadence Design Systems Inc and owns about 27,181 shares of Cadence Design Systems Inc (CDNS) stock worth over $8 Million. James D Plummer is the Director of Intel Corp and owns about 48,403 shares of Intel Corp (INTC) stock worth over $1 Million. James D Plummer is also the Director of Leadis Technology Inc and owns about 0 shares of Leadis Technology Inc (LDIS) stock worth over $0. Details can be seen in James D Plummer's Latest Holdings Summary section.
Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that James D Plummer has not made any transactions after 2025-05-16 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of James D Plummer
James D Plummer Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, James D Plummer owns 3 companies in total, including Cadence Design Systems Inc (CDNS) , Intel Corp (INTC) , and Leadis Technology Inc (LDIS) .
Click here to see the complete history of James D Plummer’s form 4 insider trades.
Insider Ownership Summary of James D Plummer
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
CDNS | Cadence Design Systems Inc | 2025-05-16 | director |
INTC | Intel Corp | 2017-01-30 | director |
LDIS | Leadis Technology Inc | 2009-10-12 | director |
James D Plummer Latest Holdings Summary
James D Plummer currently owns a total of 3 stocks. Among these stocks, James D Plummer owns 27,181 shares of Cadence Design Systems Inc (CDNS) as of May 16, 2025, with a value of $8 Million and a weighting of 88.49%. James D Plummer owns 48,403 shares of Intel Corp (INTC) as of January 30, 2017, with a value of $1 Million and a weighting of 11.51%. James D Plummer also owns 0 shares of Leadis Technology Inc (LDIS) as of October 12, 2009, with a value of $0 and a weighting of 0%.
Latest Holdings of James D Plummer
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
CDNS | Cadence Design Systems Inc | 2025-05-16 | 27,181 | 307.13 | 8,348,076 |
INTC | Intel Corp | 2017-01-30 | 48,403 | 22.43 | 1,085,437 |
LDIS | Leadis Technology Inc | 2009-10-12 | 0 | 0.00 | 0 |
Holding Weightings of James D Plummer
James D Plummer Form 4 Trading Tracker
According to the SEC Form 4 filings, James D Plummer has made a total of 5 transactions in Cadence Design Systems Inc (CDNS) over the past 5 years, including 0 buys and 5 sells. The most-recent trade in Cadence Design Systems Inc is the sale of 868 shares on May 16, 2025, which brought James D Plummer around $277,717.
According to the SEC Form 4 filings, James D Plummer has made a total of 0 transactions in Intel Corp (INTC) over the past 5 years. The most-recent trade in Intel Corp is the sale of 10,778 shares on January 30, 2017, which brought James D Plummer around $403,636.
According to the SEC Form 4 filings, James D Plummer has made a total of 0 transactions in Leadis Technology Inc (LDIS) over the past 5 years. The most-recent trade in Leadis Technology Inc is the sale of 127,500 shares on October 12, 2009, which brought James D Plummer around $128,775.
Insider Trading History of James D Plummer
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James D Plummer Trading Performance
GuruFocus tracks the stock performance after each of James D Plummer's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by James D Plummer is -10.73%. GuruFocus also compares James D Plummer's trading performance to market benchmark return within the same time period. The performance of stocks bought by James D Plummer within 3 months outperforms 0 times out of 1 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how James D Plummer's insider trading performs compared to the benchmark.
Performance of James D Plummer
James D Plummer Ownership Network
Ownership Network List of James D Plummer
Ownership Network Relation of James D Plummer

James D Plummer Owned Company Details
What does Cadence Design Systems Inc do?
Who are the key executives at Cadence Design Systems Inc?
James D Plummer is the director of Cadence Design Systems Inc. Other key executives at Cadence Design Systems Inc include Sr. Vice President Chin-chi Teng , Sr. Vice President Paul Cunningham , and Sr. Vice President of R&D Anirudh Devgan .
Cadence Design Systems Inc (CDNS) Insider Trades Summary
Over the past 18 months, James D Plummer made 2 insider transaction in Cadence Design Systems Inc (CDNS) with a net sale of 3,280. Other recent insider transactions involving Cadence Design Systems Inc (CDNS) include a net sale of 14,450 shares made by Paul Cunningham , a net sale of 31,000 shares made by Vincentelli Alberto Sangiovanni , and a net sale of 7,893 shares made by Karna Nisewaner .
In summary, during the past 3 months, insiders sold 28,517 shares of Cadence Design Systems Inc (CDNS) in total and bought 0 shares, with a net sale of 28,517 shares. During the past 18 months, 598,488 shares of Cadence Design Systems Inc (CDNS) were sold and 0 shares were bought by its insiders, resulting in a net sale of 598,488 shares.
Cadence Design Systems Inc (CDNS)'s detailed insider trading history can be found in Insider Trading Tracker table.
Cadence Design Systems Inc Insider Transactions
James D Plummer Mailing Address
Above is the net worth, insider trading, and ownership report for James D Plummer. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, James D Plummer's mailing address is: El Segundo Ca 90245.