Tantech Receives NASDAQ Notification Regarding Minimum Bid Requirements

Rhea-AI Summary

Tantech (NASDAQ:TANH) received a Nasdaq notice on March 26, 2026 for failing to meet the $1.00 minimum bid requirement after the closing bid remained below $1.00 for 30 consecutive business days. The company has a 180-day compliance period ending September 22, 2026 to regain compliance.

If the share price reaches $1.00 for 10 consecutive business days during the period, Nasdaq will confirm compliance. Tantech is evaluating options, including a reverse stock split, and warned there is no assurance it will regain or maintain compliance.

Positive

• Continued trading uninterrupted on Nasdaq
• Granted a 180-day initial compliance period ending September 22, 2026

Negative

• Closing bid price below $1.00 for 30 consecutive business days
• Risk of delisting if compliance not regained by September 22, 2026
• Company may need a reverse stock split to regain compliance

News Market Reaction – TANH

-16.56%

7 alerts

-16.56% News Effect

-43.1% Trough in 8 min

-$831K Valuation Impact

$4.19M Market Cap

1.2x Rel. Volume

On the day this news was published, TANH declined 16.56%, reflecting a significant negative market reaction. Argus tracked a trough of -43.1% from its starting point during tracking. Our momentum scanner triggered 7 alerts that day, indicating moderate trading interest and price volatility. This price movement removed approximately $831K from the company's valuation, bringing the market cap to $4.19M at that time.

Data tracked by StockTitan Argus on the day of publication.

Key Figures

Minimum bid price: $1.00 per share Noncompliance period: 30 consecutive business days Initial compliance period: 180 calendar days +4 more

7 metrics

Minimum bid price $1.00 per share Nasdaq Listing Rule 5550(a)(2) requirement

Noncompliance period 30 consecutive business days Closing bid below $1.00 trigger window

Initial compliance period 180 calendar days Regain compliance deadline ending Sep 22, 2026

Compliance deadline September 22, 2026 End of initial Nasdaq bid-price compliance period

Required compliant days 10 consecutive business days Minimum period with bid at or above $1.00

Reverse split timing buffer 10 business days Latest date before Sep 22, 2026 to complete reverse split

Additional grace period 180 calendar days Potential second compliance period if conditions met

Market Reality Check

Price: $0.5890 Vol: Volume 7,669 is far below...

low vol

$0.5890 Last Close

Volume Volume 7,669 is far below 20-day average 129,071, indicating very light trading ahead of the notice. low

Technical Shares at $0.7059, trading below 200-day MA of $1.43 and far under 52-week high $4.05.

Peers on Argus

TANH was down 2% with very low volume, while peers were mixed: DSY up 7.17%, UG ...

1 Up 1 Down

TANH was down 2% with very low volume, while peers were mixed: DSY up 7.17%, UG down 3.61%. Combined with momentum data flagging no sector move, the bid-price notice appears stock-specific rather than part of a broader Consumer Defensive rotation.

Historical Context

2 past events · Latest: Mar 25 (Positive)

Pattern 2 events

Date	Event	Sentiment	Move	Catalyst
Mar 25	Patent allowance	Positive	+10.8%	USPTO Notice of Allowance for hanging cabinet design patent advancing IP portfolio.
Jan 30	Trademark progress	Positive	-12.9%	USPTO Notice of Allowance for "TANHOME" trademark supporting U.S. green building strategy.

Pattern Detected

Recent IP-related news produced mixed reactions: one strong gain and one notable decline, suggesting inconsistent trading response to fundamentally positive updates.

Recent Company History

Over recent months, Tantech focused on building a North American "green home" footprint, securing a cabinet design patent and a "TANHOME" trademark Notice of Allowance from the USPTO. The Mar 25, 2026 patent news saw shares rise about 10.81%, while the Jan 30, 2026 trademark news coincided with a roughly 12.89% drop. Against that backdrop, today’s Nasdaq minimum bid-price deficiency notice contrasts with earlier growth and IP milestones, underscoring mounting listing and capital-structure pressures despite strategic branding progress.

Market Pulse Summary

The stock dropped -16.6% in the session following this news. A negative reaction despite the deficie...

Analysis

The stock dropped -16.6% in the session following this news. A negative reaction despite the deficiency notice having no immediate delisting effect would fit a pattern of sensitivity to balance sheet and listing risks. With shares already far below the $1.00 threshold and well under the $4.05 52-week high, additional selling could reflect concern about potential reverse stock split decisions or future capital raises. Past volatility around otherwise constructive IP news suggests that sentiment has been fragile and prone to sharp swings.

Key Terms

minimum bid price requirement, reverse stock split, deficiency notification

3 terms

minimum bid price requirement regulatory

"not in compliance with the minimum bid price requirement set forth under Nasdaq Listing Rule 5550(a)(2)"

A minimum bid price requirement is a rule that a stock must trade above a set price for a specified period to stay listed on an exchange. It matters to investors because falling below that threshold can trigger warnings or removal from the exchange, which can cut liquidity, reduce visibility, and often lead to sharper declines in share value—think of it like a venue’s minimum dress code that, if not met, can bar a performer from the stage.

reverse stock split financial

"If the Company chooses to implement a reverse stock split, it must complete the split"

A reverse stock split is when a company reduces the number of its shares outstanding, making each share more valuable. For example, if you own 100 shares worth $1 each, a 1-for-10 reverse split would turn your 100 shares into 10 shares worth $10 each. Companies often do this to boost their stock price and appear more stable to investors.

deficiency notification regulatory

"receipt of a deficiency notification"

A deficiency notification is a formal notice from a regulator, exchange, or reviewer pointing out missing, unclear, or inadequate information in a company’s filing or application. It matters to investors because it can delay approvals, listings, fundraising or product launches and signal compliance or disclosure problems; think of it as a teacher returning a homework sheet with items circled that must be fixed before the work is accepted.

AI-generated analysis. Not financial advice.

LISHUI, China, March 31, 2026 /PRNewswire/ -- Tantech Holdings Ltd (NASDAQ: TANH) ("Tantech" or the "Company") today announced that on March 26, 2026, it received a letter from The Nasdaq Stock Market LLC ("Nasdaq"), notifying the Company that it is currently not in compliance with the minimum bid price requirement set forth under Nasdaq Listing Rule 5550(a)(2). It resulted from the fact that the closing bid price of the Company's Class A common shares was below $1.00 per share for a period of 30 consecutive business days. This press release is issued pursuant to Nasdaq Listing Rule 5810(b), which requires prompt disclosure of receipt of a deficiency notification. The notification has no immediate effect on the listing of the Company's Class A common shares, which will continue to trade uninterrupted on Nasdaq under the ticker "TANH".

Pursuant to Nasdaq Listing Rule 5810(c)(3)(A), the Company has a compliance period of 180 calendar days, or until September 22, 2026 (the "Compliance Period"), to regain compliance with Nasdaq's minimum bid price requirement. If at any time during the Compliance Period, the closing bid price per share of the Company's Class A common shares is at least $1.00 for a minimum of 10 consecutive business days, Nasdaq will provide the Company a written confirmation of compliance and the matter will be closed. If the Company chooses to implement a reverse stock split, it must complete the split no later than ten business days prior to September 22, 2026 in order to regain compliance.

In the event the Company does not regain compliance by September 22, 2026, the Company may be eligible for an additional 180 calendar day grace period. To qualify, the Company will be required to meet the continued listing requirement for market value of publicly held shares and all other initial listing standards for Nasdaq, with the exception of the bid price requirement, and will need to provide written notice of its intention to cure the deficiency during the second compliance period, including by effecting a reverse stock split, if necessary. If the Company meets these requirements, Nasdaq will inform the Company that it has been granted an additional 180 calendar days. However, if it appears to Nasdaq that the Company will not be able to cure the deficiency, or if the Company is otherwise not eligible, Nasdaq will provide notice that its securities will be subject to delisting.

The Company is monitoring the trading price of its Class A common shares and evaluating options to regain compliance with the minimum bid price requirement, including by effecting a reverse stock split, if necessary. However, there can be no assurance that the Company will be able to timely regain or maintain compliance with Nasdaq's continued listing requirement.

About Tantech Holdings Ltd

Tantech is a high-tech enterprise specializing in producing and developing bamboo charcoal-based products. With an established domestic and international sales and distribution network, Tantech has been engaged in the manufacture of bamboo charcoal home products since 2002 and entered the home building materials industry in 2024. The company further strengthened its presence in North America through the establishment of its U.S. subsidiaries beginning in 2022.

Tantech is ISO 90000 and ISO 14000 certified and has received numerous national, provincial, and municipal honors and awards for its products and R&D achievements. For more information, please visit: https://tanhtech.com. 

Forward-Looking Statements

This news release contains forward-looking statements as defined by the Private Securities Litigation Reform Act of 1995. Forward-looking statements include statements concerning the sales, plans, objectives, goals, strategies, future events or performance, and underlying assumptions and other statements that are other than statements of historical facts. These statements are subject to uncertainties and risks including, but not limited to, product and service demand and acceptance, changes in technology, economic conditions, the impact of competition and pricing, government regulations, and other risks contained in reports filed by the Company with the Securities and Exchange Commission. All such forward-looking statements, whether written or oral, and whether made by or on behalf of the Company, are expressly qualified by this cautionary statement and any other cautionary statements which may accompany the forward-looking statements. In addition, the Company disclaims any obligation to update any forward-looking statements to reflect events or circumstances after the date hereof.

For more information, please contact:

Tantech Holdings Ltd
Investor Relations
Tel: +86 (578) 226-2305
ir@tantech.cn 

View original content:https://www.prnewswire.com/news-releases/tantech-receives-nasdaq-notification-regarding-minimum-bid-requirements-302729460.html

SOURCE Tantech Holdings Ltd.

FAQ

What did Tantech (TANH) disclose about Nasdaq minimum bid noncompliance on March 26, 2026?

Tantech disclosed it received a Nasdaq notice for failing to meet the $1.00 minimum bid requirement. According to the company, the closing bid was below $1.00 for 30 consecutive business days, triggering the deficiency notification and a required public disclosure.

How long is Tantech's compliance period to regain Nasdaq minimum bid compliance (TANH)?

Tantech has a 180-calendar-day compliance period ending September 22, 2026 to regain the $1.00 bid requirement. According to the company, if the closing bid is at least $1.00 for 10 consecutive business days during that period, Nasdaq will confirm compliance.

What happens if Tantech (TANH) does not regain compliance by September 22, 2026?

If Tantech does not regain compliance by September 22, 2026, it may be eligible for an additional 180-day period. According to the company, eligibility requires meeting Nasdaq's market value and other initial listing standards except the bid-price rule and notifying Nasdaq of intent to cure.

Will a reverse stock split help Tantech (TANH) meet Nasdaq's minimum bid requirement?

A reverse stock split could raise the per-share price to meet the $1.00 threshold. According to the company, it is evaluating a reverse split option, which must be completed at least ten business days before September 22, 2026 to regain compliance via this method.

Will Tantech's (TANH) Nasdaq listing be immediately affected after the notice?

No, the notice has no immediate effect; trading continues uninterrupted on Nasdaq under TANH. According to the company, the deficiency notification only starts the compliance process and does not suspend or delist the shares immediately.