Mark David Alexander

Insider

First SEC filing: June 11, 2015 · Latest: June 11, 2015

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.
Initial holdings The stakes this person held when they first started reporting.

Insider at

LADR selling Aug. 1, 2025

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 12 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

12 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 18, 2026	LADR	A	7,198	—	—	36,427 Direct	+24.63%	Acquired	(price as of 2026-08-19)
Aug. 1, 2025	LADR	S	26,795	$10.86	$290,994	29,229 Direct	-47.83%	Disposed	-6.6% (price as of 2026-08-19)
July 31, 2025	LADR	S	30,000	$10.93	$327,900	56,024 Direct	-34.87%	Disposed	-7.2% (price as of 2026-08-19)
July 30, 2025	LADR	S	34,587	$11.12	$384,607	86,024 Direct	-28.68%	Disposed	-8.8% (price as of 2026-08-19)
Feb. 18, 2025	LADR	A	6,438	—	—	120,611 Direct	+5.64%	Acquired	(price as of 2026-08-19)
Feb. 18, 2024	LADR	A	7,109	—	—	114,173 Direct	+6.64%	Acquired	(price as of 2026-08-19)
Feb. 18, 2023	LADR	A	6,505	—	—	107,064 Direct	+6.47%	Acquired	(price as of 2026-08-19)
Feb. 18, 2022	LADR	A	6,372	—	—	100,559 Direct	+6.77%	Acquired	(price as of 2026-08-19)
Feb. 18, 2021	LADR	A	7,212	—	—	94,187 Direct	+8.29%	Acquired	(price as of 2026-08-19)
Nov. 9, 2020	LADR	S	441	$8.28	$3,651	0 Indirect	-100.00%	Disposed	22.5% (price as of 2026-08-19)
Nov. 5, 2020	LADR	W	441	—	—	441 Indirect	—	Acquired	(price as of 2026-08-19)
Feb. 18, 2020	LADR	A	4,006	—	—	86,975 Direct	+4.83%	Acquired	(price as of 2026-08-19)
Feb. 18, 2019	LADR	A	4,271	—	—	82,969 Direct	+5.43%	Acquired	(price as of 2026-08-19)
Feb. 18, 2018	LADR	A	5,074	—	—	78,011 Direct	+6.96%	Acquired	(price as of 2026-08-19)
Feb. 18, 2017	LADR	A	5,415	—	—	72,937 Direct	+8.02%	Acquired	(price as of 2026-08-19)
Aug. 11, 2015	LADR	P	9,600	$15.66	$150,336	57,223 Direct	+20.16%	Acquired	-35.2% (price as of 2026-08-19)
Aug. 11, 2015	LADR	P	5,000	$15.51	$77,550	47,623 Direct	+11.73%	Acquired	-34.6% (price as of 2026-08-19)
Aug. 11, 2015	LADR	P	5,000	$15.50	$77,500	42,623 Direct	+13.29%	Acquired	-34.6% (price as of 2026-08-19)
Aug. 11, 2015	LADR	P	5,000	$15.55	$77,750	37,623 Direct	+15.33%	Acquired	-34.8% (price as of 2026-08-19)
Aug. 10, 2015	LADR	P	400	$15.66	$6,264	32,623 Direct	+1.24%	Acquired	-35.2% (price as of 2026-08-19)
Aug. 10, 2015	LADR	P	5,000	$15.70	$78,500	32,223 Direct	+18.37%	Acquired	-35.4% (price as of 2026-08-19)
Aug. 10, 2015	LADR	P	5,000	$15.75	$78,750	27,223 Direct	+22.50%	Acquired	-35.6% (price as of 2026-08-19)
Aug. 10, 2015	LADR	P	5,000	$15.75	$78,750	22,223 Direct	+29.03%	Acquired	-35.6% (price as of 2026-08-19)
Aug. 10, 2015	LADR	P	5,000	$15.76	$78,800	17,223 Direct	+40.91%	Acquired	-35.7% (price as of 2026-08-19)
Aug. 10, 2015	LADR	P	5,000	$15.77	$78,850	12,223 Direct	+69.22%	Acquired	-35.7% (price as of 2026-08-19)
June 10, 2015	LADR	A	4,223	—	—	7,223 Direct	+140.77%	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.

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
June 11, 2015	LADR	Class A Common Stock	3,000	Direct