CLEARSIGN TECHNOLOGIES CORPORATION Capital Expenditures
CLEARSIGN TECHNOLOGIES CORPORATION (CLIR) reported Capital Expenditures of $4.00 thousand for the 12-month period ending 2025-12-31, per its 10-K filed 2026-03-31.
Financial Statements › Cash Flow › Investing Activities
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment · last filed 2026-08-14
- CLEARSIGN TECHNOLOGIES CORPORATION payments to acquire property, plant, and equipment for the quarter ending 2025-12-31 was $0.00, a 100.00% decline year-over-year.
- CLEARSIGN TECHNOLOGIES CORPORATION payments to acquire property, plant, and equipment for the quarter ending 2025-09-30 was $0.00.
- CLEARSIGN TECHNOLOGIES CORPORATION payments to acquire property, plant, and equipment for the quarter ending 2025-06-30 was $0.00.
- CLEARSIGN TECHNOLOGIES CORPORATION payments to acquire property, plant, and equipment for the quarter ending 2025-03-31 was $4.00K.
- CLEARSIGN TECHNOLOGIES CORPORATION payments to acquire property, plant, and equipment for fiscal 2025 was $4.00K, a 89.74% decline from fiscal 2024.
- CLEARSIGN TECHNOLOGIES CORPORATION payments to acquire property, plant, and equipment for fiscal 2024 was $39.00K.
- CLEARSIGN TECHNOLOGIES CORPORATION payments to acquire property, plant, and equipment for fiscal 2022 was $10.00K, a 86.30% decline from fiscal 2021.
- CLEARSIGN TECHNOLOGIES CORPORATION payments to acquire property, plant, and equipment for fiscal 2021 was $73.00K, a 329.41% increase from fiscal 2020.
| Period end | Payments to Acquire Property, Plant, and Equipment 3 month | Payments to Acquire Property, Plant, and Equipment 3 month as first filed | Payments to Acquire Property, Plant, and Equipment 6 month | Payments to Acquire Property, Plant, and Equipment 6 month as first filed | Payments to Acquire Property, Plant, and Equipment 9 month | Payments to Acquire Property, Plant, and Equipment 9 month as first filed | Payments to Acquire Property, Plant, and Equipment 12 month | Payments to Acquire Property, Plant, and Equipment 50 month | Payments to Acquire Property, Plant, and Equipment 53 month | Payments to Acquire Property, Plant, and Equipment 56 month | Payments to Acquire Property, Plant, and Equipment 59 month | Payments to Acquire Property, Plant, and Equipment 62 month | Payments to Acquire Property, Plant, and Equipment 65 month | Payments to Acquire Property, Plant, and Equipment 68 month | Payments to Acquire Property, Plant, and Equipment 71 month | Payments to Acquire Property, Plant, and Equipment 74 month |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-12-31 | $0.00 derived: 10-K 12 month − 10-Q 9 month · filed 2026-03-31 | $0.00 derived: sum of 2 quarters · filed 2026-03-31 | $0.00 derived: sum of 3 quarters · filed 2026-08-14 | $4.00K 10-K · filed 2026-03-31 | ||||||||||||
| 2025-09-30 | $0.00 derived: 10-Q 9 month − 10-Q 6 month · filed 2025-11-14 | $0.00 derived: sum of 2 quarters · filed 2026-08-14 | $4.00K 10-Q · filed 2025-11-14 | $25.00K derived: sum of 4 quarters · filed 2026-08-14 | ||||||||||||
| 2025-06-30 | $0.00 derived: 10-Q 6 month − 10-Q 3 month · filed 2026-08-14 | $4.00K 10-Q · filed 2026-08-14 | $25.00K derived: sum of 3 quarters · filed 2026-08-14 | $25.00K derived: sum of 4 quarters · filed 2026-08-14 | ||||||||||||
| 2025-03-31 | $4.00K 10-Q · filed 2026-05-15 | $25.00K derived: sum of 2 quarters · filed 2026-05-15 | $25.00K derived: sum of 3 quarters · filed 2026-05-15 | |||||||||||||
| 2024-12-31 | $21.00K derived: 10-K 12 month − 10-Q 9 month · filed 2026-03-31 | $21.00K derived: sum of 2 quarters · filed 2026-03-31 | $39.00K 10-K · filed 2026-03-31 | |||||||||||||
| 2024-09-30 | $0.00 derived: 10-Q 9 month − 10-Q 6 month · filed 2025-11-14 | $18.00K 10-Q · filed 2025-11-14 | ||||||||||||||
| 2024-06-30 | $18.00K 10-Q · filed 2025-08-14 | |||||||||||||||
| 2022-12-31 | $5.00K derived: 10-K 12 month − 10-Q 9 month · filed 2024-04-01 | $5.00K derived: sum of 2 quarters · filed 2024-04-01 | $5.00K derived: sum of 3 quarters · filed 2024-04-01 | $10.00K 10-K · filed 2024-04-01 | ||||||||||||
| 2022-09-30 | $0.00 derived: 10-Q 9 month − 10-Q 6 month · filed 2023-11-14 | $0.00 derived: sum of 2 quarters · filed 2023-11-14 | $5.00K 10-Q · filed 2023-11-14 | $12.00K derived: sum of 4 quarters · filed 2023-11-14 | ||||||||||||
| 2022-06-30 | $0.00 derived: 10-Q 6 month − 10-Q 3 month · filed 2023-08-14 | $5.00K 10-Q · filed 2023-08-14 | $12.00K derived: sum of 3 quarters · filed 2023-08-14 | $53.00K derived: sum of 4 quarters · filed 2023-08-14 | ||||||||||||
| 2022-03-31 | $5.00K 10-Q · filed 2023-05-15 | $12.00K derived: sum of 2 quarters · filed 2023-05-15 | $53.00K derived: sum of 3 quarters · filed 2023-05-15 | $24.00K derived: sum of 4 quarters · filed 2023-05-15 | ||||||||||||
| 2021-12-31 | $7.00K derived: 10-K 12 month − 10-Q 9 month · filed 2023-03-31 | $48.00K derived: sum of 2 quarters · filed 2023-03-31 | $19.00K derived: sum of 3 quarters · filed 2023-03-31 | $73.00K 10-K · filed 2023-03-31 | ||||||||||||
| 2021-09-30 | $41.00K derived: 10-Q 9 month − 10-Q 6 month · filed 2022-11-14 | $12.00K derived: sum of 2 quarters · filed 2022-11-14 | $66.00K 10-Q · filed 2022-11-14 | $79.00K derived: sum of 4 quarters · filed 2022-11-14 | ||||||||||||
| 2021-06-30 | -$29.00K derived: 10-Q 6 month − 10-Q 3 month · filed 2022-08-15 | $25.00K 10-Q · filed 2022-08-15 | $38.00K derived: sum of 3 quarters · filed 2022-08-15 | $42.00K derived: sum of 4 quarters · filed 2022-08-15 | ||||||||||||
| 2021-03-31 | $54.00K 10-Q · filed 2022-05-16 | $67.00K derived: sum of 2 quarters · filed 2022-05-16 | $71.00K derived: sum of 3 quarters · filed 2022-05-16 | $71.00K derived: sum of 4 quarters · filed 2022-05-16 | ||||||||||||
| 2020-12-31 | $13.00K derived: 10-K 12 month − 10-Q 9 month · filed 2022-03-31 | $17.00K derived: sum of 2 quarters · filed 2022-03-31 | $17.00K derived: sum of 3 quarters · filed 2022-03-31 | $17.00K 10-K · filed 2022-03-31 | ||||||||||||
| 2020-09-30 | $4.00K derived: 10-Q 9 month − 10-Q 6 month · filed 2021-11-12 | $4.00K derived: sum of 2 quarters · filed 2021-11-12 | $4.00K 10-Q · filed 2021-11-12 | $11.00K derived: sum of 4 quarters · filed 2021-11-12 | ||||||||||||
| 2020-06-30 | $0.00 derived: 10-Q 6 month − 10-Q 3 month · filed 2021-08-20 | $0.00 10-Q · filed 2021-08-20 | $7.00K derived: sum of 3 quarters · filed 2021-08-20 | $3.00K derived: sum of 4 quarters · filed 2021-08-20 | ||||||||||||
| 2020-03-31 | $0.00 10-Q · filed 2021-05-17 | $7.00K derived: sum of 2 quarters · filed 2021-05-17 | $3.00K derived: sum of 3 quarters · filed 2021-05-17 | $9.00K derived: sum of 4 quarters · filed 2021-05-17 | ||||||||||||
| 2019-12-31 | $7.00K derived: 10-K 12 month − 10-Q 9 month · filed 2021-03-31 | $3.00K derived: sum of 2 quarters · filed 2021-03-31 | $9.00K derived: sum of 3 quarters · filed 2021-03-31 | $20.00K 10-K · filed 2021-03-31 | ||||||||||||
| 2019-09-30 | -$4.00K derived: 10-Q 9 month − 10-Q 6 month · filed 2020-11-13 | $2.00K derived: sum of 2 quarters · filed 2020-11-13 | $13.00K 10-Q · filed 2020-11-13 | $63.00K derived: sum of 4 quarters · filed 2020-11-13 | ||||||||||||
| 2019-06-30 | $6.00K derived: 10-Q 6 month − 10-Q 3 month · filed 2020-08-14 | $17.00K 10-Q · filed 2020-08-14 | $67.00K derived: sum of 3 quarters · filed 2020-08-14 | $92.00K derived: sum of 4 quarters · filed 2020-08-14 | ||||||||||||
| 2019-03-31 | $11.00K 10-Q · filed 2020-05-14 | $61.00K derived: sum of 2 quarters · filed 2020-05-14 | $86.00K derived: sum of 3 quarters · filed 2020-05-14 | $103.00K derived: sum of 4 quarters · filed 2020-05-14 | ||||||||||||
| 2018-12-31 | $50.00K derived: 10-K 12 month − 10-Q 9 month · filed 2020-03-30 | $75.00K derived: sum of 2 quarters · filed 2020-03-30 | $92.00K derived: sum of 3 quarters · filed 2020-03-30 | $94.00K 10-K · filed 2020-03-30 | ||||||||||||
| 2018-09-30 | $25.00K derived: 10-Q 9 month − 10-Q 6 month · filed 2019-11-13 | $42.00K derived: sum of 2 quarters · filed 2019-11-13 | $44.00K 10-Q · filed 2019-11-13 | $49.00K derived: sum of 4 quarters · filed 2019-11-13 | ||||||||||||
| 2018-06-30 | $17.00K derived: 10-Q 6 month − 10-Q 3 month · filed 2019-08-14 | $19.00K 10-Q · filed 2019-08-14 | $24.00K derived: sum of 3 quarters · filed 2019-08-14 | $56.00K derived: sum of 4 quarters · filed 2019-08-14 | ||||||||||||
| 2018-03-31 | $2.00K 10-Q · filed 2019-05-14 | $7.00K derived: sum of 2 quarters · filed 2019-05-14 | $39.00K derived: sum of 3 quarters · filed 2019-05-14 | $68.00K derived: sum of 4 quarters · filed 2019-05-14 | ||||||||||||
| 2017-12-31 | $5.00K derived: 10-K 12 month − 10-Q 9 month · filed 2019-03-12 | $37.00K derived: sum of 2 quarters · filed 2019-03-12 | $66.00K derived: sum of 3 quarters · filed 2019-03-12 | $94.00K 10-K · filed 2019-03-12 | ||||||||||||
| 2017-09-30 | $32.00K derived: 10-Q 9 month − 10-Q 6 month · filed 2018-11-08 | $61.00K derived: sum of 2 quarters · filed 2018-11-08 | $89.00K 10-Q · filed 2018-11-08 | $50.00K derived: sum of 4 quarters · filed 2018-11-08 | ||||||||||||
| 2017-06-30 | $29.00K derived: 10-Q 6 month − 10-Q 3 month · filed 2018-08-13 | $57.00K 10-Q · filed 2018-08-13 | $18.00K derived: sum of 3 quarters · filed 2018-08-13 | $134.00K derived: sum of 4 quarters · filed 2018-08-13 | ||||||||||||
| 2017-03-31 | $28.00K 10-Q · filed 2018-05-10 | -$11.00K derived: sum of 2 quarters · filed 2018-05-10 | $105.00K derived: sum of 3 quarters · filed 2018-05-10 | $154.00K derived: sum of 4 quarters · filed 2018-05-10 | ||||||||||||
| 2016-12-31 | -$39.00K derived: 10-K 12 month − 10-Q 9 month · filed 2018-03-27 | $77.00K derived: sum of 2 quarters · filed 2018-03-27 | $126.00K derived: sum of 3 quarters · filed 2018-03-27 | $137.00K 10-K · filed 2018-03-27 | ||||||||||||
| 2016-09-30 | $116.00K derived: 10-Q 9 month − 10-Q 6 month · filed 2017-11-09 | $165.00K derived: sum of 2 quarters · filed 2017-11-09 | $176.00K 10-Q · filed 2017-11-09 | $188.00K derived: sum of 4 quarters · filed 2017-11-09 | ||||||||||||
| 2016-06-30 | $49.00K derived: 10-Q 6 month − 10-Q 3 month · filed 2017-08-14 | $60.00K 10-Q · filed 2017-08-14 | $72.00K derived: sum of 3 quarters · filed 2017-08-14 | $79.00K derived: sum of 4 quarters · filed 2017-08-14 | ||||||||||||
| 2016-03-31 | $11.00K 10-Q · filed 2017-05-11 | $23.00K derived: sum of 2 quarters · filed 2017-05-11 | $30.00K derived: sum of 3 quarters · filed 2017-05-11 | $43.00K derived: sum of 4 quarters · filed 2017-05-11 | ||||||||||||
| 2015-12-31 | $12.00K derived: 10-K 12 month − 10-Q 9 month · filed 2017-02-14 | $19.00K derived: sum of 2 quarters · filed 2017-02-14 | $32.00K derived: sum of 3 quarters · filed 2017-02-14 | $49.00K 10-K · filed 2017-02-14 | ||||||||||||
| 2015-09-30 | $7.00K derived: 10-Q 9 month − 10-Q 6 month · filed 2016-11-14 | $20.00K derived: sum of 2 quarters · filed 2016-11-14 | $37.00K 10-Q · filed 2016-11-14 | $38.00K derived: sum of 4 quarters · filed 2016-11-14 | ||||||||||||
| 2015-06-30 | $13.00K derived: 10-Q 6 month − 10-Q 3 month · filed 2016-08-11 | $30.00K 10-Q · filed 2016-08-11 | $31.00K derived: sum of 3 quarters · filed 2016-08-11 | $45.00K derived: sum of 4 quarters · filed 2016-08-11 | ||||||||||||
| 2015-03-31 | $17.00K 10-Q · filed 2016-05-12 | $18.00K derived: sum of 2 quarters · filed 2016-05-12 | $32.00K derived: sum of 3 quarters · filed 2016-05-12 | $78.00K derived: sum of 4 quarters · filed 2016-05-12 | ||||||||||||
| 2014-12-31 | $1.00K derived: 10-K 12 month − 10-Q 9 month · filed 2016-03-03 | $15.00K derived: sum of 2 quarters · filed 2016-03-03 | $61.00K derived: sum of 3 quarters · filed 2016-03-03 | $78.00K 10-K · filed 2016-03-03 | ||||||||||||
| 2014-09-30 | $14.00K derived: 10-Q 9 month − 10-Q 6 month · filed 2015-11-12 | $60.00K derived: sum of 2 quarters · filed 2015-11-12 | $77.00K 10-Q · filed 2015-11-12 | $143.00K derived: sum of 4 quarters · filed 2015-11-12 | ||||||||||||
| 2014-06-30 | $46.00K derived: 10-Q 6 month − 10-Q 3 month · filed 2015-08-13 | $63.00K 10-Q · filed 2015-08-13 | $129.00K derived: sum of 3 quarters · filed 2015-08-13 | $168.00K derived: sum of 4 quarters · filed 2015-08-13 | ||||||||||||
| 2014-03-31 | $17.00K 10-Q · filed 2015-05-14 | $83.00K derived: sum of 2 quarters · filed 2015-05-14 | $122.00K derived: sum of 3 quarters · filed 2015-05-14 | $112.00K derived: sum of 4 quarters · filed 2015-05-14 | $789.00K 10-Q · filed 2014-05-08 | |||||||||||
| 2013-12-31 | $66.00K derived: 10-K 12 month − 10-Q 9 month · filed 2015-02-26 | $105.00K derived: sum of 2 quarters · filed 2015-02-26 | $95.00K derived: sum of 3 quarters · filed 2015-02-26 | $236.00K 10-K · filed 2015-02-26 | $772.00K 10-K · filed 2014-03-11 | |||||||||||
| 2013-09-30 | $39.00K derived: 10-Q 9 month − 10-Q 6 month · filed 2014-11-13 | $29.00K derived: sum of 2 quarters · filed 2014-11-13 | $170.00K 10-Q · filed 2014-11-13 | $221.00K derived: sum of 4 quarters · filed 2014-11-13 | $706.00K 10-Q · filed 2013-11-12 | |||||||||||
| 2013-06-30 | -$10.00K derived: 10-Q 6 month − 10-Q 3 month · filed 2014-08-12 | $131.00K 10-Q · filed 2014-08-12 | $182.00K derived: sum of 3 quarters · filed 2014-08-12 | $338.00K derived: sum of 4 quarters · filed 2014-08-12 | $667.00K 10-Q · filed 2013-08-14 | |||||||||||
| 2013-03-31 | $141.00K 10-Q · filed 2014-05-08 | $192.00K derived: sum of 2 quarters · filed 2014-05-08 | $348.00K derived: sum of 3 quarters · filed 2014-05-08 | $452.00K derived: sum of 4 quarters · filed 2014-05-08 | $677.00K 10-Q · filed 2013-05-06 | |||||||||||
| 2012-12-31 | $51.00K derived: 10-K 12 month − 10-Q 9 month · filed 2014-03-11 | $207.00K derived: sum of 2 quarters · filed 2014-03-11 | $311.00K derived: sum of 3 quarters · filed 2014-03-11 | $337.00K 10-K · filed 2014-03-11 | $536.00K 10-K · filed 2013-02-22 | |||||||||||
| 2012-09-30 | $156.00K derived: 10-Q 9 month − 10-Q 6 month · filed 2013-11-12 | $260.00K derived: sum of 2 quarters · filed 2013-11-12 | $286.00K 10-Q · filed 2013-11-12 | $286.31K 10-Q · filed 2012-11-08 | $336.75K derived: sum of 4 quarters · filed 2013-11-12 | $485.50K 10-Q · filed 2012-11-08 | ||||||||||
| 2012-06-30 | $104.00K derived: 10-Q 6 month − 10-Q 3 month · filed 2013-08-14 | $130.00K 10-Q · filed 2013-08-14 | $130.72K 10-Q · filed 2012-08-06 | $180.75K derived: sum of 3 quarters · filed 2013-08-14 | $232.59K derived: sum of 4 quarters · filed 2013-08-14 | $284.13K 10-Q · filed 2012-08-06 | ||||||||||
| 2012-03-31 | $26.00K 10-Q · filed 2013-05-06 | $26.65K 10-Q · filed 2012-06-11 | $76.75K derived: sum of 2 quarters · filed 2013-05-06 | $128.59K derived: sum of 3 quarters · filed 2013-05-06 | $157.00K derived: sum of 4 quarters · filed 2013-05-06 | $225.84K 10-Q · filed 2012-06-11 | ||||||||||
| 2011-12-31 | $50.76K derived: 10-K 12 month − 10-Q 9 month · filed 2013-02-22 | $102.59K derived: sum of 2 quarters · filed 2013-02-22 | $131.00K derived: sum of 3 quarters · filed 2013-02-22 | $131.00K 10-K · filed 2013-02-22 | ||||||||||||
| 2011-09-30 | $51.84K derived: 10-Q 9 month − 10-Q 6 month · filed 2012-11-08 | $80.25K derived: sum of 2 quarters · filed 2012-11-08 | $80.25K 10-Q · filed 2012-11-08 | |||||||||||||
| 2011-06-30 | $28.41K derived: 10-Q 6 month − 10-Q 3 month · filed 2012-08-06 | $28.41K 10-Q · filed 2012-08-06 | ||||||||||||||
| 2011-03-31 | $0.00 10-Q · filed 2012-06-11 |
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