Mark D Griffin

Insider

First SEC filing: Aug. 14, 2024 · Latest: Aug. 14, 2024

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.
Compensation Executive pay disclosed in company proxy statements.

Insider at

TLS buying Aug. 12, 2024

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 30 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

30 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 26, 2026	TLS	A	106,763	—	—	1,454,253 Direct	+7.92%	Acquired	(price as of 2026-08-20)
May 26, 2026	TLS	A	160,145	—	—	160,145 Direct	—	Acquired	(price as of 2026-08-20)
March 19, 2026	TLS	F	51,286	$4.27	$218,991	1,424,587 Direct	-3.47%	Disposed	4.7% (price as of 2026-08-20)
March 18, 2026	TLS	A	113,716	—	—	1,475,873 Direct	+8.35%	Acquired	(price as of 2026-08-20)
Feb. 2, 2026	TLS	A	379,920	—	—	1,534,913 Direct	+32.89%	Acquired	(price as of 2026-08-20)
Feb. 2, 2026	TLS	F	172,756	$5.53	$955,341	1,362,157 Direct	-11.26%	Disposed	-19.2% (price as of 2026-08-20)
Oct. 20, 2025	TLS	A	90,189	—	—	1,090,582 Direct	+9.02%	Acquired	(price as of 2026-08-20)
Oct. 20, 2025	TLS	M	191,417	—	—	1,281,999 Direct	+17.55%	Acquired	(price as of 2026-08-20)
Oct. 20, 2025	TLS	F	127,006	$7.10	$901,743	1,154,993 Direct	-9.91%	Disposed	-37.0% (price as of 2026-08-20)
Oct. 20, 2025	TLS	M	191,417	—	—	861,377 Direct	-18.18%	Disposed	(price as of 2026-08-20)
July 1, 2025	TLS	A	67,642	$3.12	$211,043	1,030,900 Direct	+7.02%	Acquired	43.3% (price as of 2026-08-20)
July 1, 2025	TLS	F	30,507	$3.12	$95,182	1,000,393 Direct	-2.96%	Disposed	43.3% (price as of 2026-08-20)
June 11, 2025	TLS	A	380,373	—	—	380,373 Direct	—	Acquired	(price as of 2026-08-20)
May 16, 2025	TLS	F	77,097	$2.71	$208,933	963,258 Direct	-7.41%	Disposed	64.9% (price as of 2026-08-20)
April 14, 2025	TLS	A	45,094	$2.48	$111,833	1,061,972 Direct	+4.43%	Acquired	80.2% (price as of 2026-08-20)
April 14, 2025	TLS	F	21,617	$2.48	$53,610	1,040,355 Direct	-2.04%	Disposed	80.2% (price as of 2026-08-20)
Aug. 12, 2024	TLS	P	10,000	$2.63	$26,300	1,016,878 Direct	+0.99%	Acquired	70.0% (price as of 2026-08-20)
May 28, 2024	TLS	A	1,052,794	—	—	1,052,794 Direct	—	Acquired	(price as of 2026-08-20)
May 16, 2024	TLS	A	341,892	—	—	1,006,878 Direct	+51.41%	Acquired	(price as of 2026-08-20)
May 13, 2024	TLS	P	6,150	$3.13	$19,250	664,986 Direct	+0.93%	Acquired	42.8% (price as of 2026-08-20)
Jan. 19, 2024	TLS	F	6,227	$3.95	$24,597	658,836 Direct	-0.94%	Disposed	13.2% (price as of 2026-08-20)
Dec. 1, 2023	TLS	F	98,838	$4.25	$420,062	665,062 Direct	-12.94%	Disposed	5.2% (price as of 2026-08-20)
May 16, 2023	TLS	P	10,000	$2.80	$28,000	763,900 Direct	+1.33%	Acquired	59.6% (price as of 2026-08-20)
Jan. 20, 2023	TLS	F	121,448	$4.87	$591,452	753,900 Direct	-13.87%	Disposed	-8.2% (price as of 2026-08-20)
Dec. 1, 2022	TLS	F	94,294	$4.28	$403,578	875,348 Direct	-9.72%	Disposed	4.4% (price as of 2026-08-20)
March 21, 2022	TLS	A	428,228	—	—	969,642 Direct	+79.09%	Acquired	(price as of 2026-08-20)
Jan. 21, 2022	TLS	F	139,468	$12.72	$1,774,033	541,414 Direct	-20.48%	Disposed	-64.9% (price as of 2026-08-20)
June 4, 2008	TLS	D	40,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 4, 2008	TLS	D	4,949	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 4, 2008	TLS	D	10,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 4, 2008	TLS	A	112,625	—	—	188,300 Direct	+148.83%	Acquired	(price as of 2026-08-20)
June 4, 2008	TLS	A	71,575	—	—	75,675 Direct	+1745.73%	Acquired	(price as of 2026-08-20)
Jan. 22, 2004	TLS	A	40,000	—	—	40,000 Direct	—	Acquired	(price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
May 26, 2026	TLS	Performance-Based RSUs	Common Stock (160,145)	—	May 31, 2029	160,145	Acquired
Oct. 20, 2025	TLS	Performance-Based RSUs	Common Stock (191,417)	—	Dec. 31, 2026	191,417	Disposed
June 11, 2025	TLS	Performance-Based RSUs	Common Stock (380,373)	—	May 31, 2028	380,373	Acquired
May 28, 2024	TLS	Performance-Based RSUs	Common Stock (1,052,794)	—	Dec. 31, 2026	1,052,794	Acquired
June 4, 2008	TLS	Stock option (right to buy)	Class A Common Stock (40,000)	$0.62	Jan. 22, 2014	40,000	Disposed
June 4, 2008	TLS	Stock option (right to buy)	Class A Common Stock (4,949)	$1.37	Oct. 31, 2010	4,949	Disposed
June 4, 2008	TLS	Stock option (right to buy)	Class A Common Stock (10,000)	$1.35	Aug. 30, 2009	10,000	Disposed
Jan. 22, 2004	TLS	Stock option (right to buy)	Class A Common Stock (40,000)	$0.62	Jan. 22, 2014	40,000	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 7 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
March 30, 2006	TLS	Class A Common Stock	4,100	Indirect
March 30, 2006	TLS	Stock options (right to buy)→ Class A Common Stock (10,000)	10,000	Direct
March 30, 2006	TLS	Stock options (right to buy)→ Class A Common Stock (5,000)	5,000	Direct
March 30, 2006	TLS	Stock options (right to buy)→ Class A Common Stock (10,000)	10,000	Direct
March 30, 2006	TLS	Stock options (right to buy)→ Class A Common Stock (10,000)	10,000	Direct
March 30, 2006	TLS	Stock options (right to buy)→ Class A Common Stock (10,000)	10,000	Direct
March 30, 2006	TLS	Stock options (right to buy)→ Class A Common Stock (4,949)	4,949	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

TLS

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2025	$411,255	—	$916,697	—	—	—	$14,384	$1,342,336
2024	$395,010	$20,000	$6,857,678	—	$97,327	—	$14,172	$7,384,187
2023	$395,010	—	—	—	$592,500	—	$13,680	$1,001,190

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.