FSLY up 15.9% on Sep 9 2026 with no filing that explains it
FSLY+15.9%on Wed Sep 9 2026
Fastly, Inc. Class A Common Stock was up 15.9% on the day at $23.86, ranked #24 on 4.1× its usual five-minute volume, when TapeRank recorded this unexplained move at 09:55 ET during regular hours.
WHAT THE ROW LOOKED LIKE
LAST23.86
DAY▲ 15.9%
5 MIN▲ 3.94%
5M RVOL4.1×
5M $VOL$6.3M
FLOAT*159.3M
RANK#24
SESSIONREGULAR
* FLOAT IS SHARES OUTSTANDING; TRUE FREE FLOAT IS NOT AVAILABLE
AI VERDICT
UNEXPLAINEDCONFIDENCE4/5
Fastly is up 10.2% on 30x normal volume with no material news, only a routine Form 4 insider transaction filing that does not typically move stocks of this size. The recent pullback in the last five minutes suggests the initial pop is already fading, consistent with order-flow-driven action rather than a fundamental catalyst.
WHYA single insider Form 4 filing is a minor, largely uninformative disclosure, yet the stock moved 10.2% on extreme volume, a mismatch that points to no real catalyst behind the size of the move.
ANALYZED 09:30 ET · 24 MIN AGO · ANTHROPIC/CLAUDE-SONNET-5
FILINGS · 24H BEFORE THE MOVE
- TUE 16:50 ET4 — Insider transactionSEC 4
SESSION LEVELS AT CAPTURE
VWAP22.86
HOD23.89
LOD19.92
OR HIGH23.45
OR LOW22.55
PREV CLOSE20.59
PM HIGH23.30
PM LOW21.39
GAP▼ 1.17%