PARTAIN NATHAN I

Director at OTTER TAIL CORP · on record since Apr 12, 2006
President Chief Invest.Officer at DUFF & PHELPS UTILITY & CORPORATE BOND TRUST INC · on record since Apr 23, 2004
President and CIO at PRUDENTIAL PACIFIC GROWTH FUND INC · on record since Apr 26, 2004
Director at DNP SELECT INCOME FUND INC · on record since Jan 2, 2009
President and CEO at DNP SELECT INCOME FUND INC · on record since Jan 2, 2009
Officer of Adviser at Virtus Total Return Fund · on record since Dec 16, 2011
Director at Duff & Phelps Utility & Infrastructure Fund Inc. · on record since Jul 26, 2011
President and CEO at Duff & Phelps Utility & Infrastructure Fund Inc. · on record since Jul 26, 2011
Director at Northwest Natural Holding Co · on record since Jan 6, 2021
Director at Duff & Phelps Select MLP & Midstream Energy Fund Inc. · on record since Jun 23, 2014

Insider trading activity of PARTAIN NATHAN I

Transactions on record: 51; since Apr 14, 2004

Open-market buys: 8; $312.2K

Open-market sells: 0

Companies traded: 6; last filing Apr 14, 2026

Figures computed from official regulatory filings — .

Companies where PARTAIN NATHAN I has traded

Otter Tail Corp21 tx · $39.5K · Apr 14, 2026
Northwest Natural Holding Co12 tx · $154.3K · Nov 8, 2023
Duff & Phelps Select MLP & Midstream Energy Fund Inc.2 tx · $203.1K · Aug 5, 2016
DNP SELECT INCOME FUND INC9 tx · $242K · Oct 2, 2012
Duff & Phelps Utility & Infrastructure Fund Inc.1 tx · $35.9K · Oct 5, 2011
6 tx · $192.9K · Apr 21, 2009

Track record of PARTAIN NATHAN I

Open-market buys: 8

Last buy: Aug 4, 2016

Enough buys on record, but none of them has a 63-day return yet — this happens when the shares stopped trading, or when the buys are too recent. Win rates will appear once returns mature.

Transaction history of PARTAIN NATHAN I

Co-insiders of PARTAIN NATHAN I

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Otter Tail CorpListing on record	Apr 14, 2026	Award	2,000	—	n/a (No price was disclosed in the filing)		SEC
Otter Tail CorpListing on record	Apr 14, 2025	Award	2,200	—	n/a (No price was disclosed in the filing)		SEC
Otter Tail CorpListing on record	Apr 9, 2024	Award	2,000	—	n/a (No price was disclosed in the filing)		SEC
Northwest Natural Holding CoListing on record	Nov 8, 2023	Other	224.71	37.75 USD	$8.5K		SEC
Northwest Natural Holding CoListing on record	Aug 8, 2023	Other	211.93	41.33 USD	$8.8K		SEC
Northwest Natural Holding CoListing on record	May 9, 2023	Other	176.16	47.05 USD	$8.3K		SEC
Otter Tail CorpListing on record	Apr 19, 2023	Award	2,000	—	n/a (No price was disclosed in the filing)		SEC
Northwest Natural Holding CoListing on record	Mar 1, 2023	Other	178.99	47.75 USD	$8.5K		SEC
Northwest Natural Holding CoListing on record	Nov 14, 2022	Other	363.67	45.40 USD	$16.5K		SEC
Northwest Natural Holding CoListing on record	Aug 9, 2022	Other	313.88	52.56 USD	$16.5K		SEC
Northwest Natural Holding CoListing on record	May 9, 2022	Other	336.21	49.02 USD	$16.5K		SEC
Otter Tail CorpListing on record	Apr 13, 2022	Award	2,000	—	n/a (No price was disclosed in the filing)		SEC
Otter Tail CorpListing on record	Apr 13, 2022	Gift	62,561	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Northwest Natural Holding CoListing on record	Mar 2, 2022	Other	326.04	52.01 USD	$17K		SEC
Otter Tail CorpListing on record	Jan 24, 2022	Gift	62,561	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Northwest Natural Holding CoListing on record	Nov 10, 2021	Other	302.04	45.73 USD	$13.8K		SEC
Northwest Natural Holding CoListing on record	Aug 10, 2021	Other	249.25	53.43 USD	$13.3K		SEC
Northwest Natural Holding CoListing on record	May 10, 2021	Other	243.56	54.67 USD	$13.3K		SEC
Otter Tail CorpListing on record	Apr 13, 2021	Award	2,600	—	n/a (No price was disclosed in the filing)		SEC
Northwest Natural Holding CoListing on record	Mar 3, 2021	Other	276.41	48.25 USD	$13.3K		SEC
Otter Tail CorpListing on record	Apr 22, 2020	Award	2,400	—	n/a (No price was disclosed in the filing)		SEC
Otter Tail CorpListing on record	Apr 10, 2019	Award	2,100	—	n/a (No price was disclosed in the filing)		SEC
Otter Tail CorpListing on record	Apr 10, 2018	Award	2,500	—	n/a (No price was disclosed in the filing)		SEC
Otter Tail CorpListing on record	Apr 12, 2017	Award	2,200	—	n/a (No price was disclosed in the filing)		SEC
Duff & Phelps Select MLP & Midstream Energy Fund Inc.Listing unverified	Aug 5, 2016	Buy	12,500	7.93 USD	$99.1K	conv 71Cluster	SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Otter Tail CorpListing on record	Apr 14, 2026	Award	2,000	—	n/a (No price was disclosed in the filing)		SEC
Otter Tail CorpListing on record	Apr 14, 2025	Award	2,200	—	n/a (No price was disclosed in the filing)		SEC
Otter Tail CorpListing on record	Apr 9, 2024	Award	2,000	—	n/a (No price was disclosed in the filing)		SEC
Northwest Natural Holding CoListing on record	Nov 8, 2023	Other	224.71	37.75 USD	$8.5K		SEC
Northwest Natural Holding CoListing on record	Aug 8, 2023	Other	211.93	41.33 USD	$8.8K		SEC
Northwest Natural Holding CoListing on record	May 9, 2023	Other	176.16	47.05 USD	$8.3K		SEC
Otter Tail CorpListing on record	Apr 19, 2023	Award	2,000	—	n/a (No price was disclosed in the filing)		SEC
Northwest Natural Holding CoListing on record	Mar 1, 2023	Other	178.99	47.75 USD	$8.5K		SEC
Northwest Natural Holding CoListing on record	Nov 14, 2022	Other	363.67	45.40 USD	$16.5K		SEC
Northwest Natural Holding CoListing on record	Aug 9, 2022	Other	313.88	52.56 USD	$16.5K		SEC
Northwest Natural Holding CoListing on record	May 9, 2022	Other	336.21	49.02 USD	$16.5K		SEC
Otter Tail CorpListing on record	Apr 13, 2022	Award	2,000	—	n/a (No price was disclosed in the filing)		SEC
Otter Tail CorpListing on record	Apr 13, 2022	Gift	62,561	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Northwest Natural Holding CoListing on record	Mar 2, 2022	Other	326.04	52.01 USD	$17K		SEC
Otter Tail CorpListing on record	Jan 24, 2022	Gift	62,561	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Northwest Natural Holding CoListing on record	Nov 10, 2021	Other	302.04	45.73 USD	$13.8K		SEC
Northwest Natural Holding CoListing on record	Aug 10, 2021	Other	249.25	53.43 USD	$13.3K		SEC
Northwest Natural Holding CoListing on record	May 10, 2021	Other	243.56	54.67 USD	$13.3K		SEC
Otter Tail CorpListing on record	Apr 13, 2021	Award	2,600	—	n/a (No price was disclosed in the filing)		SEC
Northwest Natural Holding CoListing on record	Mar 3, 2021	Other	276.41	48.25 USD	$13.3K		SEC
Otter Tail CorpListing on record	Apr 22, 2020	Award	2,400	—	n/a (No price was disclosed in the filing)		SEC
Otter Tail CorpListing on record	Apr 10, 2019	Award	2,100	—	n/a (No price was disclosed in the filing)		SEC
Otter Tail CorpListing on record	Apr 10, 2018	Award	2,500	—	n/a (No price was disclosed in the filing)		SEC
Otter Tail CorpListing on record	Apr 12, 2017	Award	2,200	—	n/a (No price was disclosed in the filing)		SEC
Duff & Phelps Select MLP & Midstream Energy Fund Inc.Listing unverified	Aug 5, 2016	Buy	12,500	7.93 USD	$99.1K	conv 71Cluster	SEC