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Stocks/STIM/SEC Filings/424B5 Nov 12, 2026

STIM 424B5: Secondary offering

Filed with the SEC on Nov 12, 2026 · accession 0001193125-26-457031

STIM filed a 424B5 (prospectus (offering)) with the SEC on Nov 12, 2026. Neuronetics, Inc. is offering 18,750,000 shares of common stock at $1.60 per share, raising approximately $30 million in gross proceeds. The stock moved -11.7% by the first close after the filing.

Summary of the filing

Neuronetics, Inc. is offering 18,750,000 shares of common stock at $1.60 per share, raising approximately $30 million in gross proceeds. The offering includes a 30-day option for underwriters to purchase up to 2,812,500 additional shares.

For details, click here →How to read a 424B5 →

Key details

Public offering price per share$2
Total gross proceeds$30.0M
Underwriting discounts and commissions$1.8M
Net proceeds before expenses$28.2M
Shares offered$18.8M
Over-allotment option shares$2.8M
Lead book-running managerWilliam Blair
Additional bookrunnerBTIG
Additional bookrunnerCanaccord Genuity

How STIM stock reacted

Close before

$1.62

Nov 11, 2026

First close after

-11.73%

$1.43

5 trading days

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Since filing

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Frequently asked questions

What did STIM file with the SEC on Nov 12, 2026?

STIM filed a 424B5 (Secondary offering). Neuronetics, Inc. is offering 18,750,000 shares of common stock at $1.60 per share, raising approximately $30 million in gross proceeds. The offering includes a 30-day option for underwriters to purchase up to 2,812,500 additional shares.

What does a secondary offering mean for STIM stock?

New shares dilute existing holders and are often sold at a discount to the market price.

How do I read a 424B5?

The final terms of an offering of shares or bonds. Look at price, number of shares and the discount to the market price. Large offerings dilute existing shareholders.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A 424B5 (prospectus (offering)): The final terms of an offering of shares or bonds.

How did STIM stock react to this filing?

STIM closed at $1.62 before the filing and $1.43 on Nov 12, 2026 (-11.73%).

Other STIM SEC filings

  • 8-K · Secondary offeringNov 12, 2026
  • 8-K · Secondary offeringNov 12, 2026
  • 424B5 · Secondary offeringNov 10, 2026
  • 8-K · Material agreementNov 10, 2026
  • 8-K · SEC filingNov 4, 2026
  • 10-Q · SEC filingNov 4, 2026
  • SCHEDULE 13D/A · Activist campaignAug 24, 2026
  • 8-K · Cfo changeAug 17, 2026
  • SCHEDULE 13G · SEC filingAug 14, 2026
  • 10-Q · SEC filingAug 11, 2026

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Source: SEC EDGAR filing 0001193125-26-457031. The summary and key details are extracted by SEPT from the filing and may contain errors. Price reaction uses daily closing prices. Not financial advice.