Mark D Griffin

TLS

Mark D Griffin serves as EVP, Security Solutions at Telos Corporation (TLS). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

3 trades

$73.5K

Total Sells

6 trades

$10.45M

Net Position

Net Seller

$10.37M

Companies Traded

TLS

Active Period

Apr 2021 – Feb 2026

9 total trades

Most Recent

Sell TLS

Feb 2, 2026 · $955.3K

Mark D Griffin's Insider Trading at Telos Corporation (TLS)

Buys

3 · $73.5K

Sells

6 · $10.45M

Total Shares Bought

26,150

Total Shares Sold

678,420

TLS Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Feb 2, 2026	Sell	172,756	$5.53	$955.3K	0
Oct 20, 2025	Sell	127,006	$7.10	$901.7K	0
Jul 1, 2025	Sell	30,507	$3.12	$95.2K	0
May 16, 2025	Sell	77,097	$2.71	$208.9K	0
Apr 14, 2025	Sell	21,617	$2.48	$53.6K	0
Aug 14, 2024	Buy	10,000	$2.63	$26.3K	1,016,878
May 14, 2024	Buy	6,150	$3.13	$19.2K	664,986
May 16, 2023	Buy	10,000	$2.80	$28.0K	763,900
Apr 5, 2021	Sell	249,437	$33.00	$8.23M	680,882