Why TNON rose 66.1% on Sep 10 2026: debt repayment
TNON+66.1%on Thu Sep 10 2026
Tenon Medical, Inc. Common Stock was up 66.1% on the day at $4.05, ranked #1 on — its usual five-minute volume, when TapeRank recorded this spike at 04:01 ET during the pre-market session. TapeRank recorded 2 events for TNON that day, between 04:01 and 05:02 ET, and each is in the timeline below.
THE DAY ON THE LIST · 2 EVENTS
- 04:01 ETMOVER · PRE-MARKET
$4.05 · ▲ 66.1% ON THE DAY · — 5M RVOL · RANK #1
STRETCHEDCONFIDENCE4/5Tenon Medical repaid roughly $5.16 million in convertible promissory notes ahead of maturity, removing an overhang tied to those specific notes. The stock is up over 60% pre-market on extremely thin float, a reaction far outsized relative to a routine debt repayment that does not reflect any new revenue, approval, or earnings catalyst.
WHYA $5.16 million note payoff is a balance-sheet cleanup event, not the kind of news that typically supports a 62% intraday move, and the tiny 667K float means order flow and short covering are likely amplifying the reaction well beyond what the filing itself justifies.ANALYZED 04:01 ET · <1 MIN AGO · ANTHROPIC/CLAUDE-SONNET-5THE ROW AND SESSION LEVELS AT 04:01 ET
LAST4.05DAY▲ 66.1%5 MIN▲ 20.59%5M RVOL—5M $VOL$731KFLOAT*667KRANK#1SESSIONPRE-MARKETVWAP3.62HOD4.11LOD3.12OR HIGH—OR LOW—PREV CLOSE2.44PM HIGH4.11PM LOW3.12GAP▲ 66.06% (indicated)* FLOAT IS SHARES OUTSTANDING; TRUE FREE FLOAT IS NOT AVAILABLE
— MEANS THE LEVEL DID NOT EXIST YET AT THAT INSTANT, NOT ZERO
- 05:02 ETUNEXPLAINED MOVE · PRE-MARKET
$3.46 · ▲ 41.9% ON THE DAY · 131× 5M RVOL · RANK #9
UNEXPLAINEDNO FILINGS · RULETNON is up 41.8% on the day on 132x 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 05:02 ET · <1 MIN AGO · RULE, NO MODELTHE ROW AND SESSION LEVELS AT 05:02 ET
LAST3.46DAY▲ 41.9%5 MIN▲ 3.02%5M RVOL131×5M $VOL$356KFLOAT*667KRANK#9SESSIONPRE-MARKETVWAP3.65HOD4.22LOD3.12OR HIGH—OR LOW—PREV CLOSE2.44PM HIGH4.22PM LOW3.12GAP▲ 41.39% (indicated)* FLOAT IS SHARES OUTSTANDING; TRUE FREE FLOAT IS NOT AVAILABLE
— MEANS THE LEVEL DID NOT EXIST YET AT THAT INSTANT, NOT ZERO
THE SESSION
- 09:30 ETOpened at $4.20, +72.1% on the previous close of $2.44
- 10:22 ETRegular-session low, $3.96
- 14:48 ETRegular-session high, $5.96
- 15:59 ETLast trade of the regular session, $5.32, +118.0% on the previous close of $2.44
- Volume: 90.7M shares in regular hours, 27.5M before the open
TNON opened at $4.20 after rising sharply premarket, then slipped to a session low of $3.96 before climbing to a high of $5.96 at 14:48 ET and finishing at $5.32. There were no halts, and regular-hours volume reached 90.7M shares. TapeRank read the early move as tied to Tenon Medical repaying roughly $5.16 million in convertible promissory notes ahead of maturity, while noting the reaction appeared stretched; its later move was unexplained, with no filings or headlines within 24 hours beyond the 8-K reporting other events, financial statements and exhibits.
WRITTEN THU OCT 15 2026 17:46 ET BY OPENAI/GPT-5.6-LUNA FROM THE FACTS ON THIS PAGE
FILINGS · 24H BEFORE THE MOVE
- WED 04:45 ET8-K — Other Events; Financial Statements and ExhibitsSEC 8-K
On the tape right now
WHERE THE LIST STOODWED NOV 4 2026 · 13:49 ETRECORDED LIVE · 742 QUALIFY
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