Anastasios Margaronis

Insider

First SEC filing: March 24, 2026 · Latest: March 24, 2026

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Insider at

7 buys (P) 0 sells (S) Net: $31,542 Avg return of open purchases vs now: 846.0% 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

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 22, 2026	DSX	P	14,018	$0.26	$3,645	1,703,866 Indirect	+0.83%	Acquired	903.8% (price as of 2026-08-19)
June 22, 2026	DSX	P	50,000	$0.26	$13,000	1,689,848 Indirect	+3.05%	Acquired	903.8% (price as of 2026-08-19)
June 18, 2026	DSX	P	35,982	$0.25	$8,996	1,639,848 Indirect	+2.24%	Acquired	944.0% (price as of 2026-08-19)
June 10, 2026	DSX	P	8,125	$0.29	$2,356	1,603,866 Indirect	+0.51%	Acquired	800.0% (price as of 2026-08-19)
June 9, 2026	DSX	P	728	$0.29	$211	1,595,741 Indirect	+0.05%	Acquired	800.0% (price as of 2026-08-19)
June 8, 2026	DSX	P	10,157	$0.30	$3,047	1,595,013 Indirect	+0.64%	Acquired	770.0% (price as of 2026-08-19)
June 5, 2026	DSX	P	990	$0.29	$287	1,584,856 Indirect	+0.06%	Acquired	800.0% (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.

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

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
June 22, 2026	DSX	Warrants	Common Stock	—	—	14,018	Acquired
June 22, 2026	DSX	Warrants	Common Stock	—	—	50,000	Acquired
June 18, 2026	DSX	Warrants	Common Stock	—	—	35,982	Acquired
June 10, 2026	DSX	Warrants	Common Stock	—	—	8,125	Acquired
June 9, 2026	DSX	Warrants	Common Stock	—	—	728	Acquired
June 8, 2026	DSX	Warrants	Common Stock	—	—	10,157	Acquired
June 5, 2026	DSX	Warrants	Common Stock	—	—	990	Acquired

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

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

Date	Ticker	Security	Shares	Ownership
March 24, 2026	DSX	Common Stock, $0.01 par value per share	6,963,453	Indirect
March 24, 2026	DSX	Common Stock, $0.01 par value per share	1,044,642	Indirect
March 24, 2026	DSX	Series B Preferred Shares	132,194	Indirect
March 24, 2026	DSX	Series B Preferred Shares	10,500	Indirect
March 24, 2026	DSX	Series B Preferred Shares	138,244	Indirect
March 24, 2026	DSX	Common Stock, $0.01 par value per share	973,831	Indirect
March 24, 2026	DSX	Warrants→ Common Stock	—	Indirect
March 24, 2026	DSX	Warrants→ Common Stock	—	Indirect
March 24, 2026	DSX	Warrants→ Common Stock	—	Indirect
March 18, 2026	DSX	Common Stock, $0.01 par value per share	6,963,453	Indirect
March 18, 2026	DSX	Common Stock, $0.01 par value per share	1,044,642	Indirect
March 18, 2026	DSX	Warrants→ Common Stock	—	Indirect
March 18, 2026	DSX	Warrants→ Common Stock	—	Indirect