UNEXPLAINED MOVE · PRE-MARKET · CAPTURED 07:23 ET

PYXS down 22.7% on Sep 9 2026 with no filing that explains it

PYXS-22.7%on Wed Sep 9 2026

Pyxis Oncology, Inc. Common Stock was down 22.7% on the day at $3.01, ranked #21 on 28.5× its usual five-minute volume, when TapeRank recorded this unexplained move at 07:23 ET during the pre-market session.

WHAT THE ROW LOOKED LIKE

LAST3.01

DAY▼ 22.7%

5 MIN▼ 4.51%

5M RVOL28.5×

5M $VOL$53K

FLOAT*83.4M

RANK#21

SESSIONPRE-MARKET

* FLOAT IS SHARES OUTSTANDING; TRUE FREE FLOAT IS NOT AVAILABLE

AI VERDICT

UNEXPLAINEDCONFIDENCE3/5

Pyxis Oncology is down 22.4% pre-market on a routine 8-K confirming the interim CEO's appointment to permanent CEO, a leadership continuity update with no new clinical, financial, or strategic disclosure. This kind of announcement does not carry the weight to explain a move of this size, leaving order flow as the more plausible driver.

WHYA 22.4% drop against a CEO confirmation with no new data or guidance is a large move on a small, largely symbolic piece of news.

ANALYZED 07:22 ET · <1 MIN AGO · ANTHROPIC/CLAUDE-SONNET-5

FILINGS · 24H BEFORE THE MOVE

No SEC filings in the 24 hours before this was recorded. A move on an unfiled press release shows nothing here, which is what UNEXPLAINED means.

SESSION LEVELS AT CAPTURE

VWAP3.59

HOD4.50

LOD2.80

OR HIGH—

OR LOW—

PREV CLOSE3.89

PM HIGH4.50

PM LOW2.80

GAP▲ 2.83%

— MEANS THE LEVEL DID NOT EXIST YET AT THAT INSTANT, NOT ZERO