MARLETT CHRISTOPHER A → 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

4 filings by this filer

3 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 →
2019-07-08	SC	SIMMONS JAMES M	—	—	view →

Other Filings by MARLETT CHRISTOPHER A

Filed	Form	Issuer	Stake	Shares
2020-04-21	SC	Cue Biopharma, Inc. CUE	—	—	view →
2019-12-18	SC	Provention Bio, Inc.	—	—	view →
2018-02-26	SC	Pulse Biosciences, Inc. PLSE	—	—	view →

Want this depth on every filing the moment it hits SEC EDGAR?

Full feed access · API · daily intelligence brief · custom alerts. From $49/mo.

See pricing →