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STIM SCHEDULE 13D/A: Activist campaign

A reporting person

Filed with the SEC on · accession 0000921895-26-002299

STIM filed a SCHEDULE 13D/A (schedule 13d/a) with the SEC on Aug 24, 2026. A report the company filed with the SEC (the US market regulator). The stock moved -3.7% by the first close after the filing.

Summary of the filing

A reporting person filed Amendment No. 4 to a Schedule 13D for Neuronetics, Inc., disclosing the purchase of 14,000 shares of common stock at a weighted average price of $3.16 per share on August 14, 2026.

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Key details

Shares of common stock purchased$14K
Weighted average purchase price per share$3
IssuerNeuronetics, Inc.

How STIM stock reacted

Close before

$3.00

Aug 21, 2026

First close after

-3.67%

$2.89

5 trading days

-2.00%

$2.94

Since filing

-28.33%

$2.15

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Frequently asked questions

What did STIM file with the SEC on Aug 24, 2026?

STIM filed a SCHEDULE 13D/A (Activist campaign). A reporting person filed Amendment No. 4 to a Schedule 13D for Neuronetics, Inc., disclosing the purchase of 14,000 shares of common stock at a weighted average price of $3.16 per share on August 14, 2026.

What does a activist campaign mean for STIM stock?

A settlement removes uncertainty; the stock often reacts to whether the amount is bigger or smaller than investors expected.

How do I read a SCHEDULE 13D/A?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

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 SCHEDULE 13D/A (schedule 13d/a): A report the company filed with the SEC (the US market regulator).

How did STIM stock react to this filing?

STIM closed at $3.00 before the filing and $2.89 on Aug 24, 2026 (-3.67%). Five trading days later: $2.94 (-2.00%).

Other STIM SEC filings

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