Penbrook Management LLC

Holdings History for CORE LABORATORIES N V - COM (CLB)

Symbol: CLB on NYSE
Investment type: Equity / COM

Shares, Excluding Options vs Price

Value, Excluding Options

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
30 Sep 2021		-0.18%	$0	0	-7,428	-100%	$17.39	Q3 2021
30 Jun 2021	0.18%	0%	$289,000	7,428	0		$38.91	Q2 2021
31 Mar 2021	0.15%	+0.15%	$214,000	7,428	+7,428	NEW	$28.81	Q1 2021
31 Mar 2020		-0.26%	$0	0	-7,188	-100%	$17.39	Q1 2020
31 Dec 2019	0.26%	-0%	$271,000	7,188	-60	-0.83%	$37.70	Q4 2019
30 Sep 2019	0.37%	0%	$338,000	7,248	0		$46.63	Q3 2019
30 Jun 2019	0.41%	0%	$379,000	7,248	0		$52.29	Q2 2019
31 Mar 2019	0.52%	-0.03%	$500,000	7,248	-440	-5.7%	$68.98	Q1 2019
31 Dec 2018	0.52%	-0%	$459,000	7,688	-60	-0.77%	$59.70	Q4 2018
30 Sep 2018	0.86%	-0.28%	$897,000	7,748	-2,560	-25%	$115.77	Q3 2018
30 Jun 2018	1.3%	-0.03%	$1,301,000	10,308	-260	-2.5%	$126.21	Q2 2018
31 Mar 2018	1.1%	-0.06%	$1,144,000	10,568	-520	-4.7%	$108.25	Q1 2018
31 Dec 2017	1.1%	0%	$1,215,000	11,088	0		$109.58	Q4 2017
30 Sep 2016	1.4%	0%	$1,290,000	11,488	0		$112.29	Q3 2016
30 Jun 2016	1.6%	-0.03%	$1,423,000	11,488	-200	-1.7%	$123.87	Q2 2016
31 Mar 2016	1.4%	0%	$1,315,000	11,688	0		$112.51	Q1 2016
31 Dec 2015	1.3%	0%	$1,271,000	11,688	0		$108.74	Q4 2015
30 Sep 2015	1.2%	-0.03%	$1,167,000	11,688	-270	-2.3%	$99.85	Q3 2015
30 Jun 2015	1.3%	0%	$1,363,000	11,958	0		$113.98	Q2 2015
31 Mar 2015	1.1%	0%	$1,249,000	11,958	0		$104.45	Q1 2015
31 Dec 2014	1.3%	0%	$1,441,000	11,958	0		$120.51	Q4 2014
30 Sep 2014	1.6%	0%	$1,751,000	11,958	0		$146.43	Q3 2014
30 Jun 2014	1.8%	-0.02%	$1,998,000	11,958	-150	-1.2%	$167.08	Q2 2014
31 Mar 2014	2.2%	-0.02%	$2,404,000	12,108	-100	-0.82%	$198.55	Q1 2014
31 Dec 2013	2.3%	0%	$2,331,000	12,208	0		$190.94	Q4 2013

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.