SIMMONS JAMES M → CLEARSIGN COMBUSTION CORP CLIR

Stake: — Shares: —

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

5 13D/G filings on this issuer

4 other filings besides this one

Filer Track Record

1 filings by this filer

0 other filings in the data moat

Short Interest · settle 2026-07-15

DTC 1.41

16,141 shares short · -26.8% vs prior

Other 13D/G Filings on CLEARSIGN COMBUSTION CORP

Filed	Form	Filer	Stake	Shares
2025-02-19	SCHEDULE	clirSPV LLC	4.30%	2,249,027	view →
2022-07-18	SC	clirSPV LLC	—	—	view →
2020-10-07	SC	clirSPV LLC	—	—	view →
2018-03-07	SC	MARLETT CHRISTOPHER A	—	—	view →

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