1. Corporate Officers - G
2. Grampa John D

Insider Trading History of Grampa John D

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) by Grampa John D since 2006. The trader's CIK number is 1209389. At the time of the last reporting, Grampa John D was the VP Finance and CFO of Park Ohio Holdings Corp. (stock ticker symbol PKOH). Also see all insider trading activities at Park Ohio Holdings Corp.

Note that in the past GRAMPA JOHN D also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Materion Corp (MTRN) by Grampa John D

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2014	MTRN	0	$0	18,735	$644,181	29,000	$601,619
2013	MTRN	0	$0	15,000	$429,390	15,000	$256,125
2010	MTRN	0	$0	10,000	$283,290	10,000	$224,300
2006	MTRN	0	$0	15,000	$360,084	15,000	$83,250

Yearly summary of insider trading at Park Ohio Holdings Corp (PKOH) by Grampa John D

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2020	PKOH	5,000	$66,345	0	$0	0	$0
2015	PKOH	2,000	$71,180	0	$0	0	$0

Insider trading activities at 2 companies by Grampa John D:

1. Materion Corp (MTRN)

2. Park Ohio Holdings Corp (PKOH)

Table 1. Insider trading of Materion Corp (MTRN) by Grampa John D

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2014-11-10	MTRN	Sale	3,735	38.58	144,096
2014-11-07	MTRN	Option Ex	14,000	24.03	336,420
2014-05-12	MTRN	Option Ex	2,830	17.68	50,034
2014-05-12	MTRN	Sale	2,830	34.30	97,066
2014-05-08	MTRN	Option Ex	7,500	17.68	132,600
2014-05-09	MTRN	Option Ex	4,670	17.68	82,565
2014-05-08	MTRN	Sale	7,500	33.15	248,587
2014-05-09	MTRN	Sale	4,670	33.07	154,432
2013-05-09	MTRN	Option Ex	15,000	17.07	256,125
2013-05-09	MTRN	Sale	15,000	28.63	429,390
2010-05-13	BW	Sale	10,000	28.33	283,290
2010-05-13	BW	Option Ex	10,000	22.43	224,300
2006-05-03	BW	Option Ex	2,100	5.55	11,655
2006-05-04	BW	Option Ex	12,900	5.55	71,595
2006-05-03	BW	Sale	2,100	24.04	50,484
2006-05-04	BW	Sale	12,900	24.00	309,600

Table 2. Insider trading of Park Ohio Holdings Corp (PKOH) by Grampa John D

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2020-03-18	PKOH	Buy	5,000	13.27	66,345
2015-12-16	PKOH	Buy	2,000	35.59	71,180

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 Grampa John D (VP Finance and CFO of Park Ohio Holdings Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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