Nathan I. Partain

Companies

• Otter Tail CorporationBoard member Nov 30, 2009 to now¹
• NW NaturalBoard member Jan 6, 2021 to Nov 8, 2023²
• DNP Holding JSCBoard member Jan 2, 2009 to Oct 2, 2012³
• DNP Holding JSCChief executive officer Jan 2, 2009 to Oct 2, 2012³
• DNP Holding JSCPresident Jan 2, 2009 to Oct 2, 2012³
• Duff & Phelps Utility & Infrastructure Fund Inc.Board member Jul 26, 2011 to Oct 5, 2011⁴
• Duff & Phelps Utility & Infrastructure Fund Inc.Chief executive officer Jul 26, 2011 to Oct 5, 2011⁴
• Duff & Phelps Utility & Infrastructure Fund Inc.President Jul 26, 2011 to Oct 5, 2011⁴
• Otter Tail CorporationBoard member Apr 12, 2006 to Apr 21, 2009⁵

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Otter Tail Corporation OTTR78,530 shares⁶$7.0M at $89.66Apr 14, 2026
• NNNW Natural NWN10,369 shares⁷$501.3K at $48.35Nov 8, 2023

As of each latest filing. The line shows shares held over time.

Recent filings

• Apr 13, 2026Granted 2,000 shares of Otter Tail Corporation⁶
• Apr 13, 2025Granted 2,200 shares of Otter Tail Corporation⁸
• Apr 8, 2024Granted 2,000 shares of Otter Tail Corporation⁹
• Nov 6, 2023I 225 shares at $37.75 of NW Natural⁷
• Aug 4, 2023I 212 shares at $41.33 of NW Natural¹⁰
• May 5, 2023I 176 shares at $47.05 of NW Natural¹¹
• Apr 17, 2023Granted 2,000 shares of Otter Tail Corporation¹²
• Feb 27, 2023I 179 shares at $47.75 of NW Natural¹³
• Nov 9, 2022I 364 shares at $45.40 of NW Natural¹⁴
• Aug 5, 2022I 314 shares at $52.56 of NW Natural¹⁵
• May 5, 2022I 336 shares at $49.02 of NW Natural¹⁶
• Apr 11, 2022Granted 2,000 shares of Otter Tail Corporation¹⁷
• Mar 10, 2022Gift 62,561 shares of Otter Tail Corporation¹⁷
• Feb 28, 2022I 326 shares at $52.01 of NW Natural¹⁸
• Nov 8, 2021I 302 shares at $45.73 of NW Natural¹⁹
• Nov 5, 2021Gift 62,561 shares of Otter Tail Corporation²⁰