Quick answer
POWER INTEGRATIONS INC (POWI) disclosed a 2-for-1 stock split in SEC filings (first reported in a 10-K filed 2021-02-05, period ending 2020-07-31).
Data as of 2021-02-05. Source: SEC EDGAR XBRL filings
| Period end | Split ratio | Form | Filed |
|---|---|---|---|
| 2020-07-31 | 2-for-1 | 10-K | 2021-02-05 |
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Last updated 2026-10-16. Data only, not financial or tax advice.