MISSISSIPPI POWER CO
SEC Filing List

CIK: 0000066904
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Form Description Owner/Filer Filing Agent Date Actions
8-KCurrent report filingALABAMA POWER CO , GEORGIA POWER CO , MISSISSIPPI POWER CO , SOUTHERN CO , SOUTHERN CO GAS , SOUTHERN POWER CO 04/30/2026
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8-KCurrent report filingMississippi Power Co 03/03/2026
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424B2Prospectus filed pursuant to Rule 424(b)(2)Mississippi Power Co 03/02/2026
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FWPFiling under Securities Act Rules 163/43...02/27/2026
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424B5Prospectus filed pursuant to Rule 424(b)(5)Mississippi Power Co 02/25/2026
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8-KCurrent report filingALABAMA POWER CO , GEORGIA POWER CO , MISSISSIPPI POWER CO , SOUTHERN CO , SOUTHERN CO GAS , SOUTHERN POWER CO 02/19/2026
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10-KAnnual report pursuant to Section 13 and...ALABAMA POWER CO , GEORGIA POWER CO , MISSISSIPPI POWER CO , SOUTHERN CO , SOUTHERN CO GAS , SOUTHERN POWER CO 02/19/2026
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8-KCurrent report filingALABAMA POWER CO , GEORGIA POWER CO , MISSISSIPPI POWER CO , SOUTHERN CO , SOUTHERN CO GAS , SOUTHERN POWER CO 10/30/2025
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10-QQuarterly report pursuant to Section 13 ...ALABAMA POWER CO , GEORGIA POWER CO , MISSISSIPPI POWER CO , SOUTHERN CO , SOUTHERN CO GAS , SOUTHERN POWER CO 10/30/2025
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10-QQuarterly report pursuant to Section 13 ...ALABAMA POWER CO , GEORGIA POWER CO , MISSISSIPPI POWER CO , SOUTHERN CO , SOUTHERN CO GAS , SOUTHERN POWER CO SOUTHERN CO /fa07/31/2025
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