Robert L Demorest

Insider

First SEC filing: Aug. 15, 2007 · Latest: Aug. 15, 2007

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.

Insider at

MRTN selling Feb. 23, 2022

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 33 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

33 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 5, 2026	MRTN	A	4,100	—	—	58,894 Direct	+7.48%	Acquired	(price as of 2026-08-19)
Dec. 24, 2025	MRTN	G	6,580	—	—	54,794 Direct	-10.72%	Disposed	(price as of 2026-08-19)
May 6, 2025	MRTN	A	4,500	—	—	61,374 Direct	+7.91%	Acquired	(price as of 2026-08-19)
May 7, 2024	MRTN	A	3,500	—	—	56,874 Direct	+6.56%	Acquired	(price as of 2026-08-19)
May 2, 2023	MRTN	A	3,000	—	—	53,374 Direct	+5.96%	Acquired	(price as of 2026-08-19)
May 3, 2022	MRTN	A	3,000	—	—	50,374 Direct	+6.33%	Acquired	(price as of 2026-08-19)
Feb. 23, 2022	MRTN	M	10,313	$5.72	$58,990	57,687 Direct	+21.77%	Acquired	163.5% (price as of 2026-08-19)
Feb. 23, 2022	MRTN	S	10,313	$16.96	$174,908	47,374 Direct	-17.88%	Disposed	-11.1% (price as of 2026-08-19)
Feb. 23, 2022	MRTN	M	10,313	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Dec. 3, 2021	MRTN	M	5,313	$5.59	$29,700	52,687 Direct	+11.22%	Acquired	169.6% (price as of 2026-08-19)
Dec. 3, 2021	MRTN	S	5,313	$16.65	$88,461	47,374 Direct	-10.08%	Disposed	-9.5% (price as of 2026-08-19)
Dec. 3, 2021	MRTN	M	5,313	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Dec. 1, 2021	MRTN	M	5,000	$5.59	$27,950	52,374 Direct	+10.55%	Acquired	169.6% (price as of 2026-08-19)
Dec. 1, 2021	MRTN	S	5,000	$16.08	$80,400	47,374 Direct	-9.55%	Disposed	-6.3% (price as of 2026-08-19)
Dec. 1, 2021	MRTN	M	5,000	—	—	5,313 Direct	-48.48%	Disposed	(price as of 2026-08-19)
May 4, 2021	MRTN	A	2,500	—	—	47,374 Direct	+5.57%	Acquired	(price as of 2026-08-19)
Dec. 8, 2020	MRTN	M	9,375	$5.73	$53,719	44,874 Direct	+26.41%	Acquired	163.0% (price as of 2026-08-19)
Dec. 8, 2020	MRTN	M	9,375	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
May 5, 2020	MRTN	A	1,500	—	—	23,666 Direct	+6.77%	Acquired	(price as of 2026-08-19)
April 22, 2020	MRTN	M	6,250	$8.82	$55,125	22,166 Direct	+39.27%	Acquired	156.3% (price as of 2026-08-19)
April 22, 2020	MRTN	M	6,250	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
March 15, 2019	MRTN	M	6,250	$7.99	$49,938	20,666 Direct	+43.35%	Acquired	182.9% (price as of 2026-08-19)
March 15, 2019	MRTN	S	6,250	$18.05	$112,812	14,416 Direct	-30.24%	Disposed	25.2% (price as of 2026-08-19)
March 15, 2019	MRTN	M	6,250	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
May 8, 2018	MRTN	A	1,500	—	—	14,416 Direct	+11.61%	Acquired	(price as of 2026-08-19)
May 1, 2018	MRTN	M	6,250	$7.01	$43,812	12,916 Direct	+93.76%	Acquired	222.5% (price as of 2026-08-19)
May 1, 2018	MRTN	M	6,250	$7.01	$43,812	0 Direct	-100.00%	Disposed	222.5% (price as of 2026-08-19)
May 9, 2017	MRTN	A	1,000	—	—	4,000 Direct	+33.33%	Acquired	(price as of 2026-08-19)
May 10, 2016	MRTN	A	1,000	—	—	3,000 Direct	+50.00%	Acquired	(price as of 2026-08-19)
May 26, 2015	MRTN	A	1,000	—	—	2,000 Direct	+100.00%	Acquired	(price as of 2026-08-19)
May 6, 2014	MRTN	A	1,000	—	—	1,000 Direct	—	Acquired	(price as of 2026-08-19)
May 3, 2013	MRTN	A	2,750	—	—	2,750 Direct	—	Acquired	(price as of 2026-08-19)
May 1, 2012	MRTN	A	2,750	—	—	2,750 Direct	—	Acquired	(price as of 2026-08-19)
May 3, 2011	MRTN	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-19)
May 4, 2010	MRTN	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-19)
May 5, 2009	MRTN	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-19)
May 6, 2008	MRTN	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-19)

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
Feb. 23, 2022	MRTN	Stock Option (right to buy)	Common Stock (10,313)	$5.72	May 3, 2023	10,313	Disposed
Dec. 3, 2021	MRTN	Stock Option (right to buy)	Common Stock (5,313)	$5.59	May 1, 2022	5,313	Disposed
Dec. 1, 2021	MRTN	Stock Option (right to buy)	Common Stock (5,000)	$5.59	May 1, 2022	5,000	Disposed
Dec. 8, 2020	MRTN	Stock Option (right to buy)	Common Stock (9,375)	$5.73	May 3, 2021	9,375	Disposed
April 22, 2020	MRTN	Stock Option (right to buy)	Common Stock (6,250)	$8.82	May 4, 2020	6,250	Disposed
March 15, 2019	MRTN	Stock Option (right to buy)	Common Stock (6,250)	$7.99	May 5, 2019	6,250	Disposed
May 1, 2018	MRTN	Stock Option (right to buy)	Common Stock (6,250)	$7.01	May 6, 2018	6,250	Disposed
May 3, 2013	MRTN	Stock Option (right to buy)	Common Stock (2,750)	$21.44	May 2, 2023	2,750	Acquired
May 1, 2012	MRTN	Stock Option (right to buy)	Common Stock (2,750)	$20.95	April 30, 2022	2,750	Acquired
May 3, 2011	MRTN	Stock Option (right to buy)	Common Stock (2,500)	$21.50	May 2, 2021	2,500	Acquired
May 4, 2010	MRTN	Stock Option (right to buy)	Common Stock (2,500)	$22.05	May 3, 2020	2,500	Acquired
May 5, 2009	MRTN	Stock Option (right to buy)	Common Stock (2,500)	$19.97	May 4, 2019	2,500	Acquired
May 6, 2008	MRTN	Stock Option (right to buy)	Common Stock (2,500)	$17.52	May 5, 2018	2,500	Acquired

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

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
Aug. 15, 2007	MRTN	Common Stock	0	Direct