PARTI . Overview We design, develop and market analog and mixed-signal integrated circuits (ICs) and other electronic components and circuitry used in high-voltage power conversion. Our products are used in power converters that convert electricity from a high-voltage source to the type of power required for a specified downstream use. In most cases, this conversion entails, among other functions, converting alternating current (AC) to direct current (DC) or vice versa, reducing or increasing th...
Q2 FY2026 — expected 2026-09-09
| Filed | Period | Accession | Source | Full Text |
|---|---|---|---|---|
| 2026-02-06 | 2025-12-31 | 0000833640-26-000037 | EDGAR | 57K words |
| 2025-02-07 | 2024-12-31 | 0000833640-25-000043 | EDGAR | — |
| 2024-02-12 | 2023-12-31 | 0000833640-24-000030 | EDGAR | — |
| 2023-02-07 | 2022-12-31 | 0000833640-23-000025 | EDGAR | — |
| 2022-02-07 | 2021-12-31 | 0000833640-22-000021 | EDGAR | — |
| 2021-02-05 | 2020-12-31 | 0000833640-21-000025 | EDGAR | — |
| 2020-02-07 | 2019-12-31 | 0000833640-20-000044 | EDGAR | — |
| 2019-02-13 | 2018-12-31 | 0000833640-19-000046 | EDGAR | — |
| 2018-02-14 | 2017-12-31 | 0000833640-18-000067 | EDGAR | — |
| 2017-02-08 | 2016-12-31 | 0000833640-17-000086 | EDGAR | — |
| Filed | Period | Accession | Source | Full Text |
|---|---|---|---|---|
| 2025-11-05 | 2025-09-30 | 0000833640-25-000190 | EDGAR | 23K words |
| 2025-08-06 | 2025-06-30 | 0000833640-25-000157 | EDGAR | — |
| 2025-05-12 | 2025-03-31 | 0000833640-25-000120 | EDGAR | — |
| 2024-11-06 | 2024-09-30 | 0000833640-24-000171 | EDGAR | — |
| 2024-08-06 | 2024-06-30 | 0000833640-24-000147 | EDGAR | — |
| 2024-05-07 | 2024-03-31 | 0000833640-24-000107 | EDGAR | — |
| 2023-11-07 | 2023-09-30 | 0000833640-23-000193 | EDGAR | — |
| 2023-08-03 | 2023-06-30 | 0000833640-23-000169 | EDGAR | — |
| 2023-05-04 | 2023-03-31 | 0000833640-23-000125 | EDGAR | — |
| 2022-11-02 | 2022-09-30 | 0000833640-22-000128 | EDGAR | — |
| 2022-08-04 | 2022-06-30 | 0000833640-22-000118 | EDGAR | — |
| 2022-04-28 | 2022-03-31 | 0000833640-22-000083 | EDGAR | — |
| Filed | Accession | Source | Full Text |
|---|---|---|---|
| 2026-02-05 | 0000833640-26-000028 | EDGAR | 7K words |
| 2026-01-30 | 0000833640-26-000016 | EDGAR | — |
| 2025-11-18 | 0000833640-25-000199 | EDGAR | — |
| 2025-11-05 | 0000833640-25-000188 | EDGAR | — |
| 2025-09-22 | 0000833640-25-000174 | EDGAR | — |
| 2025-08-06 | 0000833640-25-000155 | EDGAR | — |
| 2025-07-17 | 0000833640-25-000146 | EDGAR | — |
| 2025-05-16 | 0000833640-25-000124 | EDGAR | — |
| 2025-05-12 | 0000833640-25-000118 | EDGAR | — |
| 2025-02-07 | 0000833640-25-000041 | EDGAR | — |
111 total filings indexed. 79 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR
| CIK | 0000833640 |
| Ticker | POWI |
| Exchange | Nasdaq |
| SIC | 3674: Semiconductors & Related Devices |
| Incorporated | CA |
| Website | https://www.power.com |
| Listed | 1997-12-12 |
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