These U.S. politicians suspiciously bought AMD stock weeks before post-earnings rally

Several members of the U.S. House of Representatives made well-timed purchases of Advanced Micro Devices (NASDAQ: AMD) stock in early 2026, just weeks before the company posted blockbuster first-quarter results that sent shares sharply higher.

The trades have drawn attention, given AMD’s strong market reaction, driven by surging demand for its AI infrastructure products. At the time of reporting, the stock was trading around $415, up about 16% on the day and nearly 85% over the past month.

Disclosure filings show that Rep. Gilbert Cisneros of California purchased between $1,001 and $15,000 worth of AMD shares on March 9, 2026. 

Rep. Ro Khanna, also of California, reported a similarly sized purchase on the same day. Rep. Cleo Fields of Louisiana made a significantly larger investment, buying between $50,001 and $100,000 worth of shares on February 3, 2026. 

Meanwhile, Rep. Julia Letlow, a Republican from Louisiana, disclosed a $1,001 to $15,000 purchase dated February 2, 2026.

Suspicion around Congress AMD stock purchases 

The timing of these Congress trades has drawn attention, as lawmakers often have access to industry insights through their roles. 

While the STOCK Act mandates disclosure, it does not ban such activity, and officials typically cite public information or advisors. In this case, the buys preceded a strong rally already supported by AI optimism earlier in 2026.

Fields’ position stands out for its size, while the clustered timing among several representatives has fueled perceptions of coordinated interest in semiconductor stocks. Letlow’s trade has been noted for its strong returns, while Khanna and Cisneros remain frequent participants in tech-focused filings.

These purchases came just ahead of AMD’s earnings release on May 5, when the company reported $10.3 billion in revenue, well above expectations. 

Growth was driven by its data center segment, which rose 57% year over year to $5.8 billion, fueled by strong demand for EPYC processors and Instinct AI accelerators. 

Optimistic guidance around AI-driven server demand helped lift AMD shares by roughly 17–20% in the following sessions.

CEO Lisa Su pointed to evolving AI infrastructure, where CPUs play a larger role alongside accelerators, reinforcing AMD’s long-term growth outlook in a rapidly expanding market.