Quick Answer
SolarWindow Technologies, Inc. reported R&D Expense of $621.9 thousand for fiscal year 2025.
SolarWindow Technologies, Inc. R&D Expense — Annual History
| Fiscal Year | R&D Expense | YoY Change |
|---|---|---|
| 2025 | $621.9K | +4.7% |
| 2024 | $594.0K | -22.3% |
| 2023 | $764.8K | -15.2% |
| 2022 | $902.0K | -45.6% |
| 2021 | $1.66M | -27.3% |
| 2020 | $2.28M | +15.2% |
| 2019 | $1.98M | +2.5% |
| 2018 | $1.93M | +103.2% |
| 2017 | $950.5K | +15.5% |
| 2016 | $822.9K | +20.5% |
| 2015 | $683.1K | +10.1% |
| 2014 | $620.6K | +73.9% |
| 2013 | $356.9K | -46.9% |
| 2012 | $672.4K | +49.0% |
| 2011 | $451.4K | — |
Quarterly R&D Expense
| Quarter Ending | R&D Expense | YoY | QoQ |
|---|---|---|---|
| November 30, 2025 | $148.9K | +8.5% | -11.2% |
| May 31, 2025 | $167.6K | +3.6% | -3.3% |
| February 28, 2025 | $173.3K | +30.7% | +26.4% |
| November 30, 2024 | $137.2K | +17.6% | -15.3% |
| May 31, 2024 | $161.9K | -17.2% | +22.1% |
| February 29, 2024 | $132.6K | -26.4% | +13.7% |
| November 30, 2023 | $116.7K | -46.1% | -40.3% |
| May 31, 2023 | $195.5K | +2.1% | +8.4% |
- SolarWindow Technologies, Inc. showed an increase of +4.7% in R&D Expense compared to the prior fiscal year.
- Over the 2011–2025 period, SolarWindow Technologies, Inc.’s r&d expense has grown by 37.8% (from $451.4 thousand to $621.9 thousand).
- The most recent figure is from SolarWindow Technologies, Inc.’s fiscal year 2025 report (Form 10-K), filed with the SEC on November 13, 2025.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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