Tantech Holdings (NASDAQ:TANH) shares declined 3.0% in premarket trading to $23.03, following a reverse stock split that became effective earlier this month. The supplied material identified no new company-specific announcement associated with Friday’s share-price movement.
The company implemented a 1-for-50 consolidation of its Class A common shares effective September 3, 2026.
According to the source, the reverse stock split followed a Nasdaq minimum bid price deficiency notice received by Tantech in late March. The company was given until September 22, 2026 to regain compliance with the applicable requirement.
Shares Trade Below Previously Cited Technical Levels
The source cited several technical indicators affecting Tantech shares in recent weeks. Its momentum indicator moved below zero in mid-August, while the MACD indicator also turned negative around the same period.
Shares had moved below their 50-day moving average in late July, according to the supplied material.
Tantech is also described in the source as a micro-cap company with relatively low average daily trading volume, a characteristic that can contribute to larger percentage price movements when trading volumes are limited.
Broader US Markets Move Higher
Tantech’s premarket decline occurred while the S&P 500, Dow Jones and Nasdaq Composite were modestly higher, according to the source.
No significant company-specific news was identified in the supplied material as a direct explanation for the 3.0% premarket decline.
The company’s Nasdaq compliance deadline remains September 22, according to the source. No determination regarding whether Tantech has regained compliance was provided in the supplied material.