SNES SCHEDULE 13D/A: Activist campaign

A reporting person

Filed with the SEC on Oct 30, 2026 · accession 0001731122-26-001384

SNES filed a SCHEDULE 13D/A (schedule 13d/a) with the SEC on Oct 30, 2026. A report the company filed with the SEC (the US market regulator). The stock moved +6.9% by the first close after the filing.

Summary of the filing

A reporting person filed an amended Schedule 13D disclosing open-market purchases of 30,000 shares of SenesTech common stock on October 28 and 30, 2026, at weighted average prices of $0.9651 and $1.0167 per share.

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Key details

Shares purchased on 10/28/2026$28K

Shares purchased on 10/30/2026$2K

Weighted average purchase price per share on 10/28/2026$1

Weighted average purchase price per share on 10/30/2026$1

IssuerSenesTech, Inc.

How SNES stock reacted

Close before

$1.01

Oct 29, 2026

First close after

+6.93%

$1.08

5 trading days

+15.84%

$1.17

Since filing

+9.41%

$1.10

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Frequently asked questions

What did SNES file with the SEC on Oct 30, 2026?

SNES filed a SCHEDULE 13D/A (Activist campaign). A reporting person filed an amended Schedule 13D disclosing open-market purchases of 30,000 shares of SenesTech common stock on October 28 and 30, 2026, at weighted average prices of $0.9651 and $1.0167 per share.

What does a activist campaign mean for SNES 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 SNES stock react to this filing?

SNES closed at $1.01 before the filing and $1.08 on Oct 30, 2026 (+6.93%). Five trading days later: $1.17 (+15.84%).

Other SNES SEC filings

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