1. Company Directors - B
2. Barr David

Insider Trading History of Barr David

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) by Barr David since 2006. The trader's CIK number is 1239309. At the time of the last reporting, Barr David was the Director of Builders Firstsource, Inc.. (stock ticker symbol BLDR). Also see all insider trading activities at Builders Firstsource, Inc..

Note that in the past BARR DAVID also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Transdigm Group Inc (TDG) by Barr David

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2009	TDG	0	$0	2,716,278	$93,070,566	0	$0
2007	TDG	0	$0	9,714,937	$342,451,529	0	$0
2006	TDG	0	$0	821,594	$17,253,474	0	$0

Yearly summary of insider trading at Builders Firstsource, Inc. (BLDR) by Barr David

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2018	BLDR	60,000	$937,800	0	$0	0	$0
2016	BLDR	0	$0	13,263,266	$137,937,966	0	$0
2015	BLDR	0	$0	11,600,000	$147,580,400	0	$0
2012	BLDR	415,841	$1,473,675	0	$0	0	$0
2008	BLDR	243,549	$1,618,644	0	$0	0	$0
2007	BLDR	39,585	$649,985	0	$0	0	$0
2006	BLDR	72,500	$1,220,964	0	$0	0	$0

Yearly summary of insider trading at Polypore International, Inc. (PPO) by Barr David

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2011	PPO	0	$0	4,214,705	$219,459,689	0	$0
2010	PPO	0	$0	3,156,838	$121,569,831	0	$0
2008	PPO	0	$0	3,990,506	$95,772,144	0	$0

Yearly summary of insider trading at Aramark (ARMK) by Barr David

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2015	ARMK	7,364,810	$220,060,522	19,731,146	$630,291,044	0	$0
2014	ARMK	0	$0	13,615,921	$355,159,720	0	$0
2013	ARMK	0	$0	2,588,123	$48,915,524	0	$0

Insider trading activities at 4 companies by Barr David:

1. Transdigm Group Inc (TDG)

2. Builders Firstsource, Inc. (BLDR)

3. Polypore International, Inc. (PPO)

4. Aramark (ARMK)

Table 1. Insider trading of Transdigm Group Inc (TDG) by Barr David

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2009-09-10	TDG	Sale	5,426	45.24	245,488
2009-09-09	TDG	Sale	5,426	44.94	243,839
2009-09-08	TDG	Sale	5,426	44.46	241,239
2009-02-19	TDG	Sale	2,700,000	34.20	92,340,000
2007-05-25	TDG	Sale	9,714,937	35.25	342,451,529
2006-03-20	TDG	Sale	821,594	21.00	17,253,474

Table 2. Insider trading of Builders Firstsource, Inc. (BLDR) by Barr David

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2018-08-31	BLDR	Buy	60,000	15.63	937,800
2016-05-24	BLDR	Sale	13,263,266	10.40	137,937,966
2015-11-25	BLDR	Sale	7,000,000	13.05	91,350,000
2015-07-31	BLDR	Sale	4,600,000	12.22	56,230,400
2012-06-07	BLDR	Buy	8,129	3.71	30,158
2012-06-05	BLDR	Buy	13,700	3.46	47,402
2012-06-04	BLDR	Buy	13,600	3.61	49,096
2012-06-06	BLDR	Buy	14,000	3.54	49,560
2012-05-30	BLDR	Buy	4,800	3.95	18,960
2012-05-24	BLDR	Buy	10,300	3.98	40,994
2012-05-25	BLDR	Buy	12,600	3.95	49,770
2012-05-29	BLDR	Buy	8,993	3.99	35,882
2012-05-21	BLDR	Buy	30,500	3.67	111,935
2012-05-23	BLDR	Buy	13,000	3.81	49,530
2012-05-22	BLDR	Buy	13,300	3.73	49,609
2012-05-16	BLDR	Buy	25,000	4.25	106,250
2012-05-17	BLDR	Buy	7,800	3.98	31,044
2012-05-18	BLDR	Buy	13,800	3.61	49,818
2012-05-09	BLDR	Buy	28,452	3.98	113,238
2012-05-07	BLDR	Buy	22,400	3.88	86,912
2012-05-08	BLDR	Buy	8,985	3.90	35,041
2012-03-07	BLDR	Buy	22,671	3.14	71,186
2012-03-05	BLDR	Buy	8,100	3.11	25,191
2012-03-06	BLDR	Buy	3,700	3.14	11,618
2012-03-02	BLDR	Buy	31,905	3.12	99,543
2012-02-28	BLDR	Buy	19,000	3.15	59,850
2012-03-01	BLDR	Buy	34,006	3.09	105,078
2012-02-29	BLDR	Buy	47,100	3.10	146,010
2008-03-12	BLDR	Buy	500	6.75	3,375
2008-03-11	BLDR	Buy	9,800	6.50	63,749
2008-03-10	BLDR	Buy	25,722	6.51	167,450
2008-03-06	BLDR	Buy	31,479	6.50	204,519
2008-03-07	BLDR	Buy	13,417	6.56	87,961
2008-03-04	BLDR	Buy	33,400	6.49	216,599
2008-03-05	BLDR	Buy	2,800	6.66	18,650
2008-02-29	BLDR	Buy	36,963	6.88	254,120
2008-03-03	BLDR	Buy	36,368	6.49	235,882
2008-02-28	BLDR	Buy	3,100	6.93	21,489
2008-02-27	BLDR	Buy	50,000	6.90	344,850
2007-03-14	BLDR	Buy	39,585	16.42	649,985
2006-12-04	BLDR	Buy	21,300	16.91	360,161
2006-12-01	BLDR	Buy	41,700	16.84	702,144
2006-11-30	BLDR	Buy	9,500	16.70	158,659

Table 3. Insider trading of Polypore International, Inc. (PPO) by Barr David

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2011-03-23	PPO	Sale	4,214,705	52.07	219,459,689
2010-12-13	PPO	Sale	3,156,838	38.51	121,569,831
2008-05-29	PPO	Sale	3,990,506	24.00	95,772,144

Table 4. Insider trading of Aramark (ARMK) by Barr David

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2015-08-21	ARMK	Sale	6,517,070	32.30	210,501,360
2015-05-27	ARMK	Sale	7,500,000	31.47	236,025,000
2015-03-26	ARMK	Sale	5,714,076	32.16	183,764,684
2015-02-23	ARMK	Buy	7,364,810	29.88	220,060,522
2014-12-17	ARMK	Sale	8,469,530	27.02	228,846,700
2014-06-04	ARMK	Sale	5,146,391	24.54	126,313,020
2013-12-17	ARMK	Sale	2,588,123	18.90	48,915,524

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 Barr David (Director of Builders Firstsource, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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