Editor’s Note: This article’s headline has been updated for accuracy.
SanDisk Corp (NASDAQ:SNDK) has been one of the market’s standout performers over the past year, with gains dwarfing many mega-cap stocks. A member of Congress bought shares in 2025 but sold them just a day later, missing the stock’s surge into 2026.
Congresswoman Buys and Sells SanDisk Stock
Rep. Lisa McClain (R-Mich.) disclosed buying and selling SanDisk stock in October 2025, per the Benzinga Government Trade page.
Here are the transactions:
- Oct. 30, 2025: Bought $1,00 to $15,000 in SNDK stock
- Oct. 30, 2025: Sold $1,000 to $15,000 in SNDK stock
- Oct. 31, 2025: Sold $1,000 to $15,000 in SNDK stock
The disclosures list the spouse, indicating the transactions were made by McClain’s husband.
SanDisk stock traded between $191.09 and $204.92 on Oct. 30, 2025, and traded between $189.58 and $209.77 on Oct. 31, 2025.
Today, SanDisk stock trades at $1,455.68, a huge gain from McClain’s disclosed sale.
Here’s the math.
Based on the purchase date, McClain could have bought 78.5 SNDK shares using the disclosed $15,000 maximum purchase and the lowest share price that day. Those shares may have been sold for a profit later that day and the next day.
Assuming McClain sold half the shares each day at the highest stock price, the shares would have been sold for $8,043.11 on Oct. 30 and $8,233.47 on Oct. 31. This would total $16,276.58, for a gain of $1,276.58, or around 8.5%.
Of course, the stock may have also been sold for a loss based on the timing of the buy and sales each of the two days.
Assuming McClain did buy the full $15,000 in shares and acquired 78.5 SNDK shares, that position would be worth $113,430.15 today.
This means McClain may have missed out on profits of $97,153.57 in around seven months’ time from a $15,000 trade. McClain’s position today would be up 656.2%.
Lisa McClain’s Investments
Before you feel too bad for the congresswoman, know that her wealth has grown by millions of dollars in recent years, according to data from Quiver Quantitative. McClain is worth an estimated $7.9 million and has made over $13.8 million in stock transactions since 2024.
Among her recently disclosed investments is a stake in the privately held xAI, the AI company owned by Elon Musk that has since merged with SpaceX. The upcoming SpaceX IPO could boost McClain’s net worth.
A report from Quiver Quantitative ranked McClain as the third top gainer among members of Congress for their investment portfolio gains in 2025. McClain had a gain of 37% in 2025, outpacing the 16.6% gain for the S&P 500.
A high-ranking Republican member of Congress, Benzinga has written about her trading history, which has raised red flags. McClain filed hundreds of stock transactions late in August. Among those trades included Palantir Technologies, a stock that has risen substantially since her purchase. The company’s government contracts have put a spotlight on stockholders.
Photo: jejim from Shutterstock
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