1. Corporate Officers - A
2. Anschutz Barron

Insider Trading History of Anschutz Barron

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Anschutz Barron since 2016. This trader's CIK number is 1309403. At the time of last reporting, Anschutz Barron was the Other of Tenable Holdings, Inc.. (stock ticker symbol TENB). Also see all insider trading activities at Tenable Holdings, Inc..

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

Yearly summary of insider trading at Tenable Holdings, Inc. (TENB) by Anschutz Barron

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2025	TENB	0	$0	4,801	$151,293	17,759	$0

Yearly summary of insider trading at Corporate Executive Board Co (CEB) by Anschutz Barron

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2017	CEB	0	$0	0	$0	1,526	$0
2016	CEB	0	$0	0	$0	2,124	$0

Insider trading activities at 2 companies by Anschutz Barron:

1. Tenable Holdings, Inc. (TENB)

2. Corporate Executive Board Co (CEB)

Table 1. Insider trading of Tenable Holdings, Inc. (TENB) by Anschutz Barron

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2025-08-26	TENB	Sale	670	29.84	19,992
2025-08-22	TENB	Option Ex	2,595	.00	0
2025-08-25	TENB	Option Ex	1,390	.00	0
2025-08-25	TENB	Sale	1,261	30.25	38,145
2025-07-16	TENB	Option Ex	2,031	.00	0
2025-07-17	TENB	Sale	970	33.08	32,087
2025-05-27	TENB	Sale	655	32.45	21,254
2025-05-22	TENB	Option Ex	2,595	.00	0
2025-05-23	TENB	Option Ex	1,390	.00	0
2025-05-23	TENB	Sale	1,245	31.98	39,815
2025-02-24	TENB	Option Ex	7,758	.00	0

Table 2. Insider trading of Corporate Executive Board Co (CEB) by Anschutz Barron

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2017-03-27	CEB	Option Ex	1,526	.00	0
2016-04-25	CEB	Option Ex	428	.00	0
2016-03-28	CEB	Option Ex	1,696	.00	0

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 Anschutz Barron (Other of Tenable Holdings, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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