Alphabet stock weakness deepens amid Michigan data center setback and insider share sales

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Executive share sales drag Alphabet stock lower

Highlights

Alphabet stock logs five-day slide, biggest single-day loss in over five months
CEO Pichai and other Alphabet executives sold shares while the stock traded near key support
Bearish RSI and insider selling raise short-term risks for Alphabet stock below $300

In the previous trading session on Wednesday, shares of online advertising giant Alphabet GOOGL stock recorded the largest single-day loss in over five months, closing down more than 3%. That marked the fifth consecutive daily loss for the stock, a bearish streak last seen in June. The steep drop was triggered by news reports citing a breakdown in financing plans for a $10 billion data center in Michigan. A key partner reportedly backed out, sparking selloffs across several AI-focused large-cap stocks, including Alphabet.

Alphabet price dynamic (Nov - Dec 2025). Source: Tradingview

GOOGL’s recent technical picture supports this bearish tone. The stock’s daily RSI has now slipped into bearish territory for the first time since October. This shift signals deteriorating momentum and implies further downside risk in the near term. On a weekly scale, the stock has shed over 3% since Monday, while the month-to-date decline now exceeds 6%.

Alphabet stock insider selling overlaps steep technical weakness

The bearish sentiment has also been fueled by a cluster of insider selling activity disclosed through SEC filings. On December 15, several top executives offloaded substantial amounts of Alphabet shares through planned trading programs. CEO Sundar Pichai sold 32,500 shares at an average price of $299.80, raking in about $9.74 million. Chairman John Hennessy sold 600 shares, while VP Amie Thuener O’Toole sold 2,778 shares at a higher average of $312.30. Additionally, the Pichai Family Foundations filed to offload 4,000 restricted shares through Morgan Stanley.

These planned sales were made public on December 17 and 18, overlapping the period when Alphabet stock registered sharp declines. While such transactions are routine and pre-scheduled, the timing during a volatile stretch of trading has not gone unnoticed by market watchers. It raises the potential for erosion in investor confidence, especially heading into year-end positioning. Unless GOOGL stock regains above the 20 day key EMA and the RSI improves, the broader technical and sentiment setup still favours continued weakness in the short term.

In recent analysis, we discussed how Alphabet struggled below the 20-day EMA despite Waymo’s valuation and BMO’s bullish outlook. EU fines and U.S.–EU tensions raised investor concerns, while Waymo’s $100 billion valuation supported long-term growth.

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