TOP TIERMARKET NEWSWIRE
Movers explained · 2026-08-20

Archived explainer. For the current picture see today's FSLY page.

Why Is FASTLY INC A (FSLY) Stock Down Today?

By the Top Tier Newswire AI Desk · August 20, 2026 at 12:14 AM ET · reviewed against 2 wire stories

FASTLY INC A (FSLY) is down -11.02% in the latest session. Our newswire has captured 2 stories on FSLY across 2 sources in the last 36 hours, with AI sentiment reading mixed (avg 54/100).

Public view, delayed 4h. Every headline, price and sentiment read below — and this write-up itself — reaches Pro subscribers live. Public readers see it once it clears the delay.

FASTLY INC A (FSLY) fell 11.02% to $23.66 in a sharply declining session, driven by a combination of insider selling and broader weakness in the cloud infrastructure sector. The stock's decline came amid a broader market reassessment of technology names and a lack of positive catalysts for Fastly. The recent insider transactions and a lack of earnings momentum contributed to the downward pressure.

What Happened

Fastly's stock dropped sharply as a result of continued insider selling and a lack of strong earnings performance. Director Paula Loop sold 7,332 shares at $30, reducing her direct holdings by 7% under a Rule 10b5-1 trading plan. This followed a 316% one-year return for the stock, but recent selling by multiple insiders has raised concerns. Director Richard Devon Daniels and CEO Charles Lacey Compton III also sold shares in early August. Over the past 90 days, insiders have sold 14 times for a total of $3.7 million, with no purchases recorded.

The broader technology sector saw mixed performance, with DigitalOcean rising on a new product launch while Fastly fell. The stock has also been under pressure from a weak earnings profile, with a trailing twelve-month (TTM) net loss of $0.53 per share and a net margin of -11.8%. Fastly's revenue is growing at 20.4% TTM, but the company remains unprofitable.

What The Data Shows

The stock has been volatile, with a 52-week range of $6.84 to $34.82. On August 20, it printed 37 fresh 52-week lows, indicating a significant shift in investor sentiment. Fastly's market cap is $4.6 billion, and its beta of 0.36 suggests it is less volatile than the broader market. However, the recent intraday weakness and insider selling have amplified short-term concerns.

What To Watch

Investors should monitor the stock for further insider activity and any potential catalysts from the company, including product updates or earnings reports. No earnings date is provided at this time, so coverage breadth and market sentiment will be key factors to track.

AI-assisted analysis composed exclusively from headlines and data on the Top Tier newswire. Public view is delayed 4 hours from real time. Not financial advice.

FSLY by the numbers

Last: $23.66Session: -11.02%Coverage: 2 stories / 2 sourcesAI sentiment: 54/100 (mixed)Mkt cap: $4.6B52w: $6.84 to $34.82
FSLY · Aug 20 session (5-min) · -3.80% vs prior close · updated 8:58 PM ET
$22.26$23.08$23.89prev close $23.66$22.767:00 AM10:13 AM1:27 PM4:41 PM7:55 PM7:00 AM · $23.677:05 AM · $23.707:10 AM · $23.537:20 AM · $23.527:25 AM · $23.587:35 AM · $23.657:50 AM · $23.587:55 AM · $23.588:00 AM · $23.508:05 AM · $23.508:10 AM · $23.388:15 AM · $23.428:25 AM · $23.818:40 AM · $23.508:45 AM · $23.358:50 AM · $23.458:55 AM · $23.439:00 AM · $23.509:05 AM · $23.509:10 AM · $23.499:15 AM · $23.699:25 AM · $23.399:30 AM · $22.629:35 AM · $22.649:40 AM · $22.889:45 AM · $23.159:50 AM · $22.989:55 AM · $23.1610:00 AM · $23.0510:05 AM · $23.0510:10 AM · $22.9510:15 AM · $22.9510:20 AM · $23.0110:25 AM · $22.9910:30 AM · $22.8610:35 AM · $23.0210:40 AM · $23.0610:45 AM · $22.9710:50 AM · $23.0710:55 AM · $23.0311:00 AM · $22.9411:05 AM · $23.0011:10 AM · $22.8711:15 AM · $22.7611:20 AM · $22.7711:25 AM · $22.7911:30 AM · $22.7311:35 AM · $22.7111:40 AM · $22.7211:45 AM · $22.7111:50 AM · $22.7211:55 AM · $22.7112:00 PM · $22.5912:05 PM · $22.6112:10 PM · $22.5812:15 PM · $22.5612:20 PM · $22.6412:25 PM · $22.5812:30 PM · $22.6312:35 PM · $22.6212:40 PM · $22.6712:45 PM · $22.7212:50 PM · $22.6412:55 PM · $22.701:00 PM · $22.611:05 PM · $22.601:10 PM · $22.621:15 PM · $22.651:20 PM · $22.631:25 PM · $22.591:30 PM · $22.601:35 PM · $22.631:40 PM · $22.661:45 PM · $22.651:50 PM · $22.601:55 PM · $22.612:00 PM · $22.592:05 PM · $22.592:10 PM · $22.572:15 PM · $22.542:20 PM · $22.462:25 PM · $22.452:30 PM · $22.392:35 PM · $22.452:40 PM · $22.412:45 PM · $22.422:50 PM · $22.412:55 PM · $22.393:00 PM · $22.363:05 PM · $22.343:10 PM · $22.373:15 PM · $22.373:20 PM · $22.423:25 PM · $22.463:30 PM · $22.373:35 PM · $22.363:40 PM · $22.523:45 PM · $22.913:50 PM · $22.823:55 PM · $22.704:00 PM · $22.714:15 PM · $22.914:20 PM · $22.714:30 PM · $22.704:40 PM · $22.404:45 PM · $22.794:50 PM · $22.405:10 PM · $22.895:25 PM · $22.405:30 PM · $22.805:35 PM · $22.805:40 PM · $22.716:05 PM · $22.707:40 PM · $22.697:55 PM · $22.76
AI sentiment, last 36h · averaged over 2 stories · 54/100 neutral
AI sentiment 54/100 (neutral)0 · bearish50bullish · 100

The headlines behind the move

26d agoYahoo FinanceNEUTRAL 50General

Fastly Director Paula Loop Sells 7,332 Shares at $30

Loop's disposition reduced her direct holdings by 7% under a Rule 10b5-1 trading plan, following a 316% one-year return for the stock.

26d agoYahoo TopBULLISH 58Product/PR

DigitalOcean Climbs 5% on Managed AI Agents Launch, Fastly Falls 4%

DigitalOcean is surging while the rest of cloud infrastructure slides lower, and the catalyst is a product launch built entirely on software the company did not write. Whether that distinction matters to investors depends on a question the press release does not answer.

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More on FSLY: full news and sentiment history. Sentiment scores are AI-derived research signals, not financial advice.

Earlier FSLY move explainers: 2026-09-09 · 2026-09-02 · 2026-09-01 · 2026-08-25 · 2026-08-24 · 2026-08-20 · 2026-08-19 · 2026-07-17