Clearsign Technologies (CLIR) Quarterly Balance Sheet

Balance Sheet Summary

Clearsign Technologies (CLIR) quarterly balance sheet covering the six quarters from March 2025 to June 2026, as reported to the SEC.

Clearsign Technologies had total Assets of $12.19M and total liabilities of $2.36M as of June 30, 2026. That leaves shareholders' equity of $9.83M.
Total Assets were down 14.3% from $14.23M a year earlier.
Total current assets of $11.19M were 4.8 times total current liabilities of $2.34M.
Cash and cash equivalents were $9.89M, down 19.9% from $12.34M. That is 81.1% of total assets.
Clearsign Technologies has an accumulated deficit of $108.01M.

A balance sheet shows what a company owns and what it owes on a single date. The difference between the two belongs to shareholders.

Figures in USD thousands

						Jun'26	Mar'26	Dec'25	Sep'25	Jun'25	Mar'25
ASSETS
Current Assets:
Cash and cash equivalents
9,889	7,736	9,178	10,488	12,339	12,866	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Cash and cash equivalents						9,889	7,736	9,178	10,488	12,339	12,866	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Short-term held-to-maturity investments
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Short-term held-to-maturity investments						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Accounts receivable
234	171	1,360	324	25	135	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Accounts receivable						234	171	1,360	324	25	135	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Deferred costs
471	433	329	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Deferred costs						471	433	329	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Contract assets
-	8	-	514	268	150	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Contract assets						-	8	-	514	268	150	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Prepaid expenses
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Prepaid expenses						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Other current assets
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Other current assets						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Contract assets
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Contract assets						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Prepaid expenses and other assets
591	431	359	420	550	344	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Prepaid expenses and other assets						591	431	359	420	550	344	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Total current assets
11,185	8,779	11,226	11,746	13,182	13,495	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Total current assets						11,185	8,779	11,226	11,746	13,182	13,495	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Fixed assets, net
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Fixed assets, net						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Fixed assets, net
141	166	195	223	251	215	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Fixed assets, net						141	166	195	223	251	215	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Contract assets
127	127	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Contract assets						127	127	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Patents and other intangible assets, net
737	764	760	778	798	824	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Patents and other intangible assets, net						737	764	760	778	798	824	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Other assets
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Other assets						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Total Assets
12,190	9,836	12,181	12,747	14,231	14,534	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Total Assets						12,190	9,836	12,181	12,747	14,231	14,534	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
LIABILITIES AND STOCKHOLDERS' EQUITY
Current Liabilities:
Accounts payable and accrued liabilities
1,437	1,752	1,644	1,983	1,556	1,167	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Accounts payable and accrued liabilities						1,437	1,752	1,644	1,983	1,556	1,167	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Current portion of lease liabilities
100	98	96	94	93	68	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Current portion of lease liabilities						100	98	96	94	93	68	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Current portion of lease liabilities
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Current portion of lease liabilities						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Promissory note
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Promissory note						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Accrued compensation and related taxes
387	257	564	353	378	274	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Accrued compensation and related taxes						387	257	564	353	378	274	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Contract liabilities
415	63	100	1,148	1,675	887	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Contract liabilities						415	63	100	1,148	1,675	887	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Other current liabilities
-	-	180	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Other current liabilities						-	-	180	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Deferred rent
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Deferred rent						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Contract liabilities
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Contract liabilities						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Total current liabilities
2,339	2,170	2,584	3,578	3,702	2,396	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Total current liabilities						2,339	2,170	2,584	3,578	3,702	2,396	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Long Term Liabilities:
Long term lease liabilities
17	42	67	91	115	98	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Long term lease liabilities						17	42	67	91	115	98	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Payroll protection program loan
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Payroll protection program loan						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Long term lease liabilities
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Long term lease liabilities						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Long-term accrued compensation and taxes
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Long-term accrued compensation and taxes						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Deferred rent
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Deferred rent						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Total liabilities
2,356	2,212	2,651	3,669	3,817	2,494	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Total liabilities						2,356	2,212	2,651	3,669	3,817	2,494	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Commitments and contingencies (Note 10)
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Commitments and contingencies (Note 10)						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Stockholders' Equity:
Preferred stock, $0.0001 par value, 2,000,000 shares authorized, no shares issued or outstanding
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Preferred stock, $0.0001 par value, 2,000,000 shares authorized, no shares issued or outstanding						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Common stock, $0.0001 par value, 87,500,000 shares authorized, 6,307,455 and 5,328,730 shares issued and outstanding at June 30, 2026 and December 31, 2025, respectively
1	1	1	5	5	5	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Common stock, $0.0001 par value, 87,500,000 shares authorized, 6,307,455 and 5,328,730 shares issued and outstanding at June 30, 2026 and December 31, 2025, respectively						1	1	1	5	5	5	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Additional paid-in capital
117,859	114,343	114,061	113,294	113,202	113,148	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Additional paid-in capital						117,859	114,343	114,061	113,294	113,202	113,148	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Accumulated other comprehensive loss
-17	-18	-20	-20	-21	-21	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Accumulated other comprehensive loss						-17	-18	-20	-20	-21	-21	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Accumulated deficit
-108,009	-106,702	-104,512	-104,201	-102,772	-101,092	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Accumulated deficit						-108,009	-106,702	-104,512	-104,201	-102,772	-101,092	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Accumulated deficit
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Accumulated deficit						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Total ClearSign Technologies Corporation stockholders' equity
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Total ClearSign Technologies Corporation stockholders' equity						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Noncontrolling Interest
-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Noncontrolling Interest						-	-	-	-	-	-	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Total stockholders' equity
9,834	7,624	9,530	9,078	10,414	12,040	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Total stockholders' equity						9,834	7,624	9,530	9,078	10,414	12,040	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Total Liabilities and Stockholders' Equity
12,190	9,836	12,181	12,747	14,231	14,534	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx
Total Liabilities and Stockholders' Equity						12,190	9,836	12,181	12,747	14,231	14,534	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx	xxxxx