HARRY W. SPELL

Corporate Board Profile

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ALT5 Sigma Corp

Filing Date Source Excerpt
2001-03-23 From 1949 to 1988, he was employed in various capacities by Northern States Power Company, most recently as senior vice president-finance and chief financial officer.
2002-03-22 From 1949 to 1988, he was employed in various capacities by Xcel Energy (formerly Northern States Power Company), most recently as senior vice president-finance and chief financial officer.
2003-03-21 From 1949 to 1988, he was employed in various capacities by Xcel Energy (formerly Northern States Power Company), most recently as senior vice president-finance and chief financial officer.
2004-03-26 From 1949 to 1988, he was employed in various capacities by Xcel Energy (formerly Northern States Power Company), most recently as senior vice president-finance and chief financial officer.
2005-04-01 From 1949 to 1988, he was employed in various capacities by Xcel Energy (formerly Northern States Power Company), most recently as senior vice president-finance and chief financial officer.

Data sourced from SEC filings. Last updated: 2025-08-30