Key Highlights

  • Fastly (NASDAQ:FSLY) traded at USD 15.47, down 26.48%, in trading on November 5, 2026, per published market data, after third-quarter results released November 4, 2026.
  • Third-quarter Revenue reached USD 190.2 million, up 20.2% from a year earlier, with adjusted EBITDA of USD 43.5 million, a 22.9% margin, per the company release and published coverage.
  • Fourth-quarter revenue guidance is USD 198.0 million to USD 202.0 million, and full-year guidance is USD 744.0 million to USD 748.0 million.
  • Scott Lovett, head of go-to-market strategy, plans to retire, and Fastly has begun a search for a successor, according to published coverage.

Record Revenue Meets a Harsh Reaction

Fastly (NASDAQ:FSLY) reported third-quarter 2026 results on November 4, 2026, and the shares fell sharply once investors had time to digest them. Revenue was USD 190.2 million, up 20.2% year over year and above the published consensus of about USD 187.9 million, according to published coverage. Adjusted Earnings were USD 0.17 per share against a consensus of about USD 0.12, and adjusted EBITDA was USD 43.5 million. The company raised its outlook, guiding fourth-quarter revenue to USD 198.0 million to USD 202.0 million and full-year revenue to USD 744.0 million to USD 748.0 million. Published coverage showed the stock down about 13% to 15% immediately after the release. In trading on November 5, 2026, per published market data, it was quoted at USD 15.47, a decline of 26.48%, with Market Value near USD 2.46 billion.

Growth, Margins and the Reset in Expectations

A beat-and-raise quarter can still disappoint when the stock has run up into the print, because the price already assumes strong numbers. Published coverage noted that investors were likely hoping for more, and no company filing ties the decline to a single cause. Fastly runs a global edge network that delivers, secures and speeds up web traffic, and its revenue grows when customers send more traffic and buy more security and compute products. Management and published coverage pointed to a net retention rate of 119%, meaning existing customers spent about 19% more than a year earlier. Operating Margin improved to about negative 5.9% from negative 18.2% a year earlier, per published coverage, so the Business is narrowing losses while growing. The company had also raised its guidance in August 2026, so the November increase builds on an already higher bar.

Concentration, Leadership and What to Watch

The risks are specific. Published coverage indicates that a single customer accounted for roughly 39% of revenue in the quarter, so a change in that relationship could move results more than the broader market would. Fastly still reports GAAP losses, including a net loss of about USD 11.3 million in the quarter per the company release as read in earlier research, and profitability on an adjusted basis leans on exclusions such as stock compensation. The planned retirement of Scott Lovett, who leads go-to-market strategy, adds execution risk while a replacement is found. Large intraday drops can partly reverse or extend as funds rebalance, and a 26.48% move on Volume of about 3.94 million shares is quoted data rather than a confirmed close. Investors will watch fourth-quarter bookings, any news on a successor and whether guidance is met.

Where Things Stand

The 26.48% drop at Fastly (NASDAQ:FSLY) looks like a reaction to expectations and leadership news rather than weak results, because revenue growth of 20.2%, higher margins and raised guidance were all reported. A stock that rises ahead of earnings can fall on strong numbers when buyers wanted a bigger raise, and the retirement of a senior sales executive adds uncertainty. The balance of evidence is mixed: operations are improving, yet customer concentration and GAAP losses remain. The next checkpoints are the fourth-quarter report, commentary on net retention and the naming of Lovett's successor.