1. Corporate Officers - W
2. Walker Jerome T.

Insider Trading History of Walker Jerome T.

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Walker Jerome T. since 2011. This trader's CIK number is 1453436. At the time of last reporting, Walker Jerome T. was the Director of Perma-pipe International Holdings, Inc.. (stock ticker symbol PPIH). Also see all insider trading activities at Perma-pipe International Holdings, Inc..

Note that in the past Walker Jerome T. also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Dresser-rand Group Inc. (DRC) by Walker Jerome T.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2015	DRC	0	$0	0	$0	5,406	$0
2014	DRC	0	$0	0	$0	5,063	$0
2013	DRC	0	$0	0	$0	8,837	$0
2012	DRC	0	$0	0	$0	3,119	$0
2011	DRC	0	$0	2,655	$145,945	4,473	$46,037

Yearly summary of insider trading at Perma-pipe International Holdings, Inc. (PPIH) by Walker Jerome T.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2024	PPIH	0	$0	1,451	$18,510	0	$0
2023	PPIH	2,700	$20,730	0	$0	0	$0
2022	PPIH	0	$0	1,343	$12,073	0	$0
2021	PPIH	0	$0	3,064	$22,872	0	$0

Insider trading activities at 2 companies by Walker Jerome T.:

1. Dresser-rand Group Inc. (DRC)

2. Perma-pipe International Holdings, Inc. (PPIH)

Table 1. Insider trading of Dresser-rand Group Inc. (DRC) by Walker Jerome T.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2015-02-15	DRC	Option Ex	5,406	.00	0
2014-02-15	DRC	Option Ex	5,063	.00	0
2013-03-15	DRC	Option Ex	3,946	.00	0
2013-02-15	DRC	Option Ex	4,891	.00	0
2012-02-15	DRC	Option Ex	3,119	.00	0
2011-12-05	DRC	Option Ex	2,655	17.34	46,037
2011-12-05	DRC	Sale	2,655	54.97	145,945
2011-02-15	DRC	Option Ex	1,818	.00	0

Table 2. Insider trading of Perma-pipe International Holdings, Inc. (PPIH) by Walker Jerome T.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2024-10-01	PPIH	Sale	1,451	12.76	18,510
2023-10-06	PPIH	Buy	1,500	7.50	11,250
2023-09-26	PPIH	Buy	1,200	7.90	9,480
2022-08-17	PPIH	Sale	1,343	8.99	12,073
2021-11-17	PPIH	Sale	1,532	8.30	12,715
2021-08-18	PPIH	Sale	1,532	6.63	10,157

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Walker Jerome T. (Director of Perma-pipe International Holdings, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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