Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
---|---|---|---|---|---|---|
SC 13G/A | 2001-02-13 | WELLINGTON MANAGEMENT CO LLP | UNION ELECTRIC CO | 0 | 0.0% | EDGAR |
SC 13G | 2000-02-11 | WELLINGTON MANAGEMENT CO LLP | UNION ELECTRIC CO | 12,150 | 6.1% | EDGAR |
SC 13G | 2000-02-11 | WELLINGTON MANAGEMENT CO LLP | UNION ELECTRIC CO | 12,150 | 6.1% | EDGAR |
SC 13G | 2000-02-11 | WELLINGTON MANAGEMENT CO LLP | UNION ELECTRIC CO | 12,150 | 6.1% | EDGAR |