1. Corporate Officers - B
2. Byorum Martha L

Insider Trading History of Byorum Martha L

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Byorum Martha L since 2014. This trader's CIK number is 1292529. At the time of last reporting, Byorum Martha L was the Director of Tecnoglass Inc.. (stock ticker symbol TGLS). Also see all insider trading activities at Tecnoglass Inc..

Note that in the past Byorum Martha L also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Tecnoglass Inc. (TGLS) by Byorum Martha L

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2021	TGLS	0	$0	8,000	$195,680	0	$0
2020	TGLS	0	$0	14,260	$90,018	0	$0
2019	TGLS	0	$0	15,194	$123,963	0	$0
2018	TGLS	0	$0	12,403	$114,170	0	$0
2017	TGLS	0	$0	30,900	$232,161	0	$0
2016	TGLS	0	$0	13,000	$153,777	0	$0
2014	TGLS	20,000	$0	0	$0	0	$0

Yearly summary of insider trading at Northwest Natural Gas Co (NWN) by Byorum Martha L

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2017	NWN	0	$0	1,526	$98,255	0	$0

Insider trading activities at 2 companies by Byorum Martha L:

1. Tecnoglass Inc. (TGLS)

2. Northwest Natural Gas Co (NWN)

Table 1. Insider trading of Tecnoglass Inc. (TGLS) by Byorum Martha L

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2021-09-02	TGLS	Sale	8,000	24.46	195,680
2020-12-17	TGLS	Sale	3,000	7.03	21,102
2020-12-16	TGLS	Sale	5,000	7.10	35,500
2020-09-14	TGLS	Sale	2,000	5.20	10,400
2020-09-03	TGLS	Sale	2,000	5.40	10,800
2020-09-04	TGLS	Sale	2,080	5.41	11,244
2020-09-08	TGLS	Sale	180	5.40	972
2019-09-13	TGLS	Sale	1,500	7.39	11,085
2019-05-28	TGLS	Sale	1,706	6.70	11,430
2019-02-11	TGLS	Sale	2,000	8.50	17,000
2019-02-12	TGLS	Sale	1,648	8.52	14,044
2019-02-13	TGLS	Sale	2,346	8.39	19,680
2019-02-11	TGLS	Sale	2,000	8.50	17,000
2019-02-12	TGLS	Sale	1,648	8.52	14,044
2019-02-13	TGLS	Sale	2,346	8.39	19,680
2018-11-13	TGLS	Sale	2,900	8.43	24,438
2018-09-14	TGLS	Sale	1,400	9.44	13,220
2018-09-11	TGLS	Sale	103	9.40	968
2018-09-13	TGLS	Sale	8,000	9.44	75,544
2017-12-15	TGLS	Sale	4,000	7.35	29,396
2017-12-13	TGLS	Sale	5,000	7.27	36,340
2017-12-05	TGLS	Sale	2,000	7.36	14,722
2017-11-27	TGLS	Sale	3,900	7.11	27,725
2017-11-28	TGLS	Sale	2,000	7.05	14,092
2017-11-29	TGLS	Sale	2,000	6.95	13,896
2017-11-17	TGLS	Sale	4,000	7.06	28,256
2017-11-20	TGLS	Sale	3,000	7.13	21,384
2017-06-09	TGLS	Sale	5,000	9.27	46,350
2016-12-07	TGLS	Sale	2,800	11.84	33,152
2016-12-08	TGLS	Sale	10,200	11.83	120,625
2014-02-27	TGLS	Buy	20,000	.00	0

Table 2. Insider trading of Northwest Natural Gas Co (NWN) by Byorum Martha L

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2017-09-27	NWN	Sale	1,202	64.88	77,989
2017-06-05	NWN	Sale	324	62.55	20,266

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 Byorum Martha L (Director of Tecnoglass Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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