John M. Pasquesi - 22 Jul 2026 Form 4 Insider Report for ClearSign Technologies Corp (CLIR)

Reporting relationship: 10%+ Owner
Issuer ticker: CLIR
Reported as of: 22 Jul 2026
Net transaction value: +$1,770,000
SEC form: 4
Accepted by SEC: 24 Jul 2026, 16:46:02 UTC
Prior SEC filing: 15 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ John M. Pasquesi

Key filing fact

John M. Pasquesi filed Form 4 for ClearSign Technologies Corp (CLIR) on 24 Jul 2026.

Key facts

This page summarizes John M. Pasquesi's Form 4 filing for ClearSign Technologies Corp (CLIR).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 24 Jul 2026, 16:46.

Change

Previous filing in this sequence was filed on 15 Jun 2026.
Current net transaction value: +$1,770,000.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001227099 Primary reporting owner

PASQUESI JOHN M

Relationship: 10%+ Owner
Address: C/O OTTER CAPITAL, P.O. BOX 1503, MANCHESTER-BY-THE-SEA
Signature: /s/ John M. Pasquesi
Signature date: 24 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CLIR transaction

Common Stock

Purchase

Transaction value: $1,770,000
Shares: +500,000
Change %: +59%
Price: $3.54
Shares after: 1,343,477
Date: 22 Jul 2026
Ownership: By Otter Capital LLC
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

The Issuer effected a reverse stock split of its outstanding common stock at a ratio of 1-for-10, effective as of 12:01 a.m., Eastern Time, on March 16, 2026.

Footnote F2

The reporting person is the managing member of Otter Capital LLC.