Quick answer
MGE ENERGY INC (MGEE) disclosed a 1.5-for-1 stock split in SEC filings (first reported in a 10-K filed 2015-02-26, period ending 2013-12-20).
Data as of 2015-02-26. Source: SEC EDGAR XBRL filings
| Period end | Split ratio | Form | Filed |
|---|---|---|---|
| 2013-12-20 | 1.5-for-1 | 10-K | 2015-02-26 |
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Last updated 2026-10-16. Data only, not financial or tax advice.