TANH halted on Sep 4 2026 at $21.78
TANH+13.5%on Fri Sep 4 2026
Tantech Holdings Ltd. Class A Common Shares was up 13.5% on the day at $21.78, ranked #39 on 1.9× its usual five-minute volume, when TapeRank recorded this trading halt at 11:43 ET during regular hours when it was halted. TapeRank recorded 2 events for TANH that day, between 11:43 and 12:41 ET, and each is in the timeline below.
THE DAY ON THE LIST · 2 EVENTS
- 11:43 ETHALT · REGULAR
HALTED AT $21.78 · ▲ 13.5% ON THE DAY · 1.9× 5M RVOL · RANK #39
UNEXPLAINEDNO FILINGS · RULETANH is up 12.5% on the day on 7.1x its normal volume for this time of day. No filings or headlines were found in SEC EDGAR filings in the last 24 hours, so this is order flow rather than a disclosed catalyst.
WHYNo filings or headlines within 24 hours of the move.ANALYZED 11:54 ET · <1 MIN AGO · RULE, NO MODELTHE ROW AND SESSION LEVELS AT 11:43 ET
LAST21.78DAY▲ 13.5%5 MIN▲ 5.32%5M RVOL1.9×5M $VOL$47KFLOAT*6.1MRANK#39SESSIONREGULARVWAP18.89HOD21.78LOD16.65OR HIGH—OR LOW—PREV CLOSE19.19PM HIGH—PM LOW—GAP▼ 9.33%* FLOAT IS SHARES OUTSTANDING; TRUE FREE FLOAT IS NOT AVAILABLE
— MEANS THE LEVEL DID NOT EXIST YET AT THAT INSTANT, NOT ZERO
- 12:41 ETUNEXPLAINED MOVE · REGULAR
$23.01 · ▲ 19.9% ON THE DAY · 1.7× 5M RVOL · RANK #211
No verdict was committed for this event.
THE ROW AND SESSION LEVELS AT 12:41 ET
LAST23.01DAY▲ 19.9%5 MIN▲ 8.79%5M RVOL1.7×5M $VOL$38KFLOAT*6.1MRANK#211SESSIONREGULARVWAP20.04HOD23.91LOD16.65OR HIGH—OR LOW—PREV CLOSE19.19PM HIGH—PM LOW—GAP▼ 9.33%* FLOAT IS SHARES OUTSTANDING; TRUE FREE FLOAT IS NOT AVAILABLE
— MEANS THE LEVEL DID NOT EXIST YET AT THAT INSTANT, NOT ZERO
NO VERDICT MEANS THE MODEL HAD NOT REACHED THE NAME BEFORE THE EVENT WAS FINALIZED, OR ITS ANSWER HEDGED AND WAS WITHHELD. NOTHING WAS FILLED IN AFTERWARDS.
THE SESSION
- 09:30 ETOpened at $17.40, -9.3% on the previous close of $19.19
- 09:46 ETRegular-session low, $16.65
- 11:42 ETHalted (LUDP); resumed 11:52 ET, after 10 minutes
- 11:55 ETHalted (LUDP); resumed 12:00 ET, after 5 minutes
- 12:40 ETHalted (LUDP); resumed 12:45 ET, after 5 minutes
- 13:05 ETRegular-session high, $25.00
- 15:58 ETLast trade of the regular session, $22.57, +17.6% on the previous close of $19.19
- Volume: 60K shares in regular hours
TANH opened at $17.40, down 9.3% from the prior close, then slid to a session low of $16.65 at 09:46 ET before reversing higher. The stock drew three volatility halts between 11:42 ET and 12:45 ET, with TapeRank recording it at rank #39 near $21.78 during the first and at rank #211 near $23.01, up 19.9% on the day, during the third; TapeRank found no filings or news in the 24 hours around either recording to explain the move. Shares climbed to a high of $25.00 at 13:05 ET before easing to close the regular session at $22.57, up 17.6% on the day.
WRITTEN THU OCT 15 2026 17:41 ET BY ANTHROPIC/CLAUDE-SONNET-5 FROM THE FACTS ON THIS PAGE
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.
On the tape right now
WHERE THE LIST STOODWED NOV 4 2026 · 13:49 ETRECORDED LIVE · 742 QUALIFY
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