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SCHEDULE Filed 2025-02-19 Event 2025-02-14 SEC 0001014108-25-000018 →

clirSPV LLC ClearSign Technologies Corp CLIR

Stake: 4.30% Shares: 2,249,027 CUSIP: 185064102 Class: Common Stock

Item 4 — Purpose of Transaction

The responses to Item 4 contained in the Reporting Persons initial filing on Schedule 13D are incorporated herein by this reference.

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
3 filings by this filer
2 other filings in the data moat
Short Interest · settle 2026-07-15
DTC 1.41
16,141 shares short · -26.8% vs prior

Post-Filing Returns · since 2025-02-14 on CLIR

+1 day
-9.0%
+5 days
-14.0%
+30 days
-22.0%
+60 days
-41.0%
+90 days
-35.0%
+180 days
-41.0%

Anchor price 10.00 on closest trading day on/after 2025-02-14. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Other 13D/G Filings on ClearSign Technologies Corp

FiledFormFilerStakeShares
2022-07-18 SC clirSPV LLC view →
2020-10-07 SC clirSPV LLC view →
2019-07-08 SC SIMMONS JAMES M view →
2018-03-07 SC MARLETT CHRISTOPHER A view →

Other Filings by clirSPV LLC

FiledFormIssuerStakeShares
2022-07-18 SC ClearSign Technologies Corp CLIR view →
2020-10-07 SC ClearSign Technologies Corp CLIR view →

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