Mandy Yang - Net Worth and Insider Trading
Mandy Yang Net Worth
The estimated net worth of Mandy Yang is at least $5 Million dollars as of 2026-08-23. Mandy Yang is the EVP, CFO of Enphase Energy Inc and owns about 118,987 shares of Enphase Energy Inc (ENPH) stock worth over $5 Million. Details can be seen in Mandy Yang'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 Mandy Yang has not made any transactions after 2025-12-12 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of Mandy Yang
Mandy Yang Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Mandy Yang owns 2 companies in total, including Enphase Energy Inc (ENPH) , and 8point3 Energy Partners LP (CAFD) .
Click here to see the complete history of Mandy Yang’s form 4 insider trades.
Insider Ownership Summary of Mandy Yang
| Ticker | Company | Transaction Date | Type of Owner |
|---|---|---|---|
| ENPH | Enphase Energy Inc | 2025-12-12 | Chief Accounting Officer |
| CAFD | 8point3 Energy Partners LP | 2015-06-18 | Chief Accounting Officer |
Mandy Yang Latest Holdings Summary
Mandy Yang currently owns a total of 1 stock. Mandy Yang owns 118,987 shares of Enphase Energy Inc (ENPH) as of December 12, 2025, with a value of $5 Million.
Latest Holdings of Mandy Yang
| Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| ENPH | Enphase Energy Inc | 2025-12-12 | 118,987 | 38.61 | 4,594,088 |
Holding Weightings of Mandy Yang
Mandy Yang Form 4 Trading Tracker
According to the SEC Form 4 filings, Mandy Yang has made a total of 7 transactions in Enphase Energy Inc (ENPH) over the past 5 years, including 2 buys and 5 sells. The most-recent trade in Enphase Energy Inc is the sale of 6,000 shares on December 12, 2025, which brought Mandy Yang around $198,060.
Insider Trading History of Mandy Yang
* The information on this page (including Insider Trading Shares, Share Changes, Cost, etc.) is sourced exclusively from Form 4 filings and does not incorporate any data from 13F or 13D/G filings. As a result, it may differ from the values shown on the Guru page.
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Mandy Yang Trading Performance
GuruFocus tracks the stock performance after each of Mandy Yang's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Mandy Yang is -4.4%. GuruFocus also compares Mandy Yang's trading performance to market benchmark return within the same time period. The performance of stocks bought by Mandy Yang within 3 months outperforms 0 times out of 2 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Mandy Yang's insider trading performs compared to the benchmark.
Performance of Mandy Yang
Average Return
Outperforming Transactions
| 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | 3 Years | |
|---|---|---|---|---|---|---|
| Return(%) | 19.78 | | | | | |
| Relative Return to S&P 500(%) | 15.7 | | | | | |
Mandy Yang Ownership Network
Ownership Network List of Mandy Yang
Ownership Network Relation of Mandy Yang
Mandy Yang Owned Company Details
What does Enphase Energy Inc do?
Who are the key executives at Enphase Energy Inc?
Mandy Yang is the Chief Accounting Officer of Enphase Energy Inc. Other key executives at Enphase Energy Inc include President & CEO Badrinarayanan Kothandaraman , VP & Chief Commercial Officer David A Ranhoff , and VP & Chief Accounting Officer Mary Erginsoy .
Enphase Energy Inc (ENPH) Insider Trades Summary
Over the past 18 months, Mandy Yang made 2 insider transaction in Enphase Energy Inc (ENPH) with a net sale of 7,319. Other recent insider transactions involving Enphase Energy Inc (ENPH) include a net purchase of 34,000 shares made by Badrinarayanan Kothandaraman , a net sale of 6,000 shares made by Richard Mora , and a net sale of 387,250 shares made by Thurman J Rodgers .
In summary, during the past 3 months, insiders sold 4,200 shares of Enphase Energy Inc (ENPH) in total and bought 6,000 shares, with a net purchase of 1,800 shares. During the past 18 months, 400,569 shares of Enphase Energy Inc (ENPH) were sold and 35,000 shares were bought by its insiders, resulting in a net sale of 365,569 shares.
Enphase Energy Inc (ENPH)'s detailed insider trading history can be found in Insider Trading Tracker table.
Enphase Energy Inc Insider Transactions
Mandy Yang Mailing Address
Above is the net worth, insider trading, and ownership report for Mandy Yang. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Mandy Yang's mailing address is: Fremont Ca 94538.
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