Star Bulk Carriers Ownership & Insider Activity

Star Bulk Carriers (SBLK) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 0.0% of shares outstanding. Institutional investors hold 11.6%. Over the past 90 days, insiders made 9 purchases worth $7.1M and 6 sales worth $2.8M.

Shares Outstanding

116.071M

Shares Float

100.683M

Insider Shares Owned

38.867K

Insider % Owned

0.0%

Institutional Shares Held

13.484M

Institutional % Held

11.6%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

$7.1M total

Sales (90d)

$2.8M total

Net Activity

Net Buying

Net Value (90d)

$4.3M

Star Bulk Carriers Insider Transactions (Last 6 Months)

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Date	Insider	Title	Type	Shares	Price	Value
Oct 13, 2026	Raffaele Zagari	DIRECTOR	BUY	7.580K	$30.00	$227K
Oct 5, 2026	Koert Erhardt	DIRECTOR	SELL	6.000K	$30.39	$182K
Sep 21, 2026	Eleni Vrettou	DIRECTOR	SELL	3.500K	$32.12	$112K
Sep 18, 2026	Mahesh Balakrishnan	DIRECTOR	SELL	10.000K	$32.34	$323K
Sep 15, 2026	Raffaele Zagari	DIRECTOR	BUY	60.000K	$28.27	$1.7M
Sep 15, 2026	Charis Plakantonaki	CHIEF STRATEGY OFFICER	BUY	3.000K	$28.27	$85K
Sep 15, 2026	Milena Maria Pappa	DIRECTOR	BUY	74.400K	$28.27	$2.1M
Sep 15, 2026	Alexandros Pappas	—	BUY	74.400K	$28.27	$2.1M
Sep 15, 2026	Nikolaos Reskos	CHIEF OPERATING OFFICER	BUY	10.000K	$28.27	$283K
Sep 15, 2026	SYMEON SPYROU	CO CFO	BUY	15.000K	$28.27	$424K
Sep 15, 2026	Nikolaos Karellis	DIRECTOR	BUY	2.000K	$28.27	$57K
Sep 15, 2026	Koert Erhardt	DIRECTOR	BUY	6.000K	$28.27	$170K
Aug 25, 2026	Raffaele Zagari	DIRECTOR	SELL	50.000K	$31.20	$1.6M
Aug 24, 2026	Raffaele Zagari	DIRECTOR	s	50.000K	$30.70	$1.5M
Aug 17, 2026	Charis Plakantonaki	CHIEF STRATEGY OFFICER	SELL	10.825K	$29.82	$323K
Aug 14, 2026	Charis Plakantonaki	CHIEF STRATEGY OFFICER	SELL	10.825K	$28.95	$313K
Aug 6, 2026	Nikolaos Reskos	CHIEF OPERATING OFFICER	SELL	5.000K	$29.50	$148K
Jul 30, 2026	Nikolaos Reskos	CHIEF OPERATING OFFICER	SELL	5.000K	$28.99	$145K
Jun 11, 2026	Nikolaos Karellis	DIRECTOR	SELL	20.000K	$26.96	$539K
Jun 1, 2026	Nikolaos Reskos	CHIEF OPERATING OFFICER	SELL	5.000K	$28.49	$142K
May 20, 2026	Nikolaos Reskos	CHIEF OPERATING OFFICER	SELL	39.914K	$27.11	$1.1M
May 18, 2026	Nikolaos Reskos	CHIEF OPERATING OFFICER	SELL	33.189K	$26.28	$872K

Congressional Trading Activity

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Date	Member	Party	Chamber	Action	Amount
Apr 30, 2024	Tommy Tuberville	R	Senate	Sale	$50,001 - $100,000
Feb 27, 2024	Tommy Tuberville	R	Senate	Purchase	$50,001 - $100,000

Star Bulk Carriers Corp