Mark C. Thurmond

TENB

Mark C. Thurmond serves as Co-Chief Executive Officer at Tenable Holdings, Inc. (TENB). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

7 trades

$1.96M

Net Position

Net Seller

$1.96M

Companies Traded

TENB

Active Period

Feb 2025 – Nov 2025

7 total trades

Most Recent

Sell TENB

Nov 24, 2025 · $207.8K

Mark C. Thurmond's Insider Trading at Tenable Holdings, Inc. (TENB)

Buys

0 · $0.00

Sells

7 · $1.96M

Total Shares Bought

Total Shares Sold

61,661

TENB Price Chart

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Date	Type	Shares	Avg Price	Value
Nov 24, 2025↗	Sell	8,092	$25.68	$207.8K
Aug 26, 2025↗	Sell	2,541	$29.84	$75.8K
Aug 22, 2025↗	Sell	28,500	$30.25	$862.1K
May 27, 2025↗	Sell	2,483	$32.45	$80.6K
May 22, 2025↗	Sell	5,577	$31.98	$178.4K
Feb 26, 2025↗	Sell	10,862	$38.17	$414.6K
Feb 21, 2025↗	Sell	3,606	$38.48	$138.8K