StockCIK 1386716

Star Bulk Carriers Corp. (SBLK): Insider Trades and Fund Holdings

In the past 12 months, Star Bulk Carriers Corp. insiders reported 9 open-market purchases worth $6.92M and 8 sales worth $4.58M; 0 of the sales were reported as made under a 10b5-1 trading plan.

9Insider buys, 12 months

$6.92MBought by insiders, 12 months

$4.58MSold by insiders, 12 months

2Tracked funds holding

Timeline: news and trades

Company filings (8-K), insider trades, notices of planned sales (Form 144) and fund moves in the past year, newest first.

Oct 13, 2026Insider saleDirector Raffaele Zagari sold $227,400
Oct 5, 2026Insider saleDirector Koert Erhardt sold $182,340
Oct 5, 2026Planned saleErhardt Koert (director) filed notice to sell about $182,000 around Oct 5, 2026
Sep 21, 2026Insider saleDirector Eleni Vrettou sold $112,420
Sep 21, 2026Planned saleVrettou Eleni (director) filed notice to sell about $113,680 around Sep 21, 2026
Sep 18, 2026Insider saleDirector Mahesh Balakrishnan sold $323,400
Sep 18, 2026Planned saleBalakrishnan Mahesh (director) filed notice to sell about $315,500 around Sep 18, 2026
Sep 15, 2026Insider buyOther Alexandros Pappas bought $2.1 million
Sep 15, 2026Insider buyDirector Milena Maria Pappa bought $2.1 million
Sep 15, 2026Insider buyDirector Raffaele Zagari bought $1.7 million
Sep 15, 2026Insider buyCOO Nikolaos Reskos bought $282,700
Sep 15, 2026Insider buyChief Strategy Officer Charis Plakantonaki bought $84,810
Sep 15, 2026Insider buyCFO Symeon Spyrou bought $424,050
Sep 15, 2026Insider buyDirector Koert Erhardt bought $169,620
Sep 15, 2026Insider buyDirector Nikolaos Karellis bought $56,540
Aug 25, 2026Insider saleDirector Raffaele Zagari sold $1.6 million
Aug 24, 2026Insider saleDirector Raffaele Zagari sold $1.5 million
Aug 17, 2026Insider saleChief Strategy Officer Charis Plakantonaki sold $322,803
Aug 17, 2026Planned saleCHARIS PLAKANTONAKI (officer) filed notice to sell about $322,803 around Aug 17, 2026
Aug 17, 2026Planned saleSOFIA DAMIGOU (officer) filed notice to sell about $198,150 around Aug 17, 2026
Aug 14, 2026Insider saleChief Strategy Officer Charis Plakantonaki sold $313,425
Jun 30, 2026FundBridgewater Associates added 30% in Q2 2026 (13F filed Aug 14, 2026)
Jun 30, 2026FundRenaissance Technologies added 2% in Q2 2026 (13F filed Aug 13, 2026)

Recent insider trades

Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Oct 14, 2026.

Recent SBLK insider trades
Filed	Traded	Insider	Role	Type	Shares	Price ($)	Value	Holding	Filing
Oct 14	Oct 13	Raffaele ZagariDirector	Director	▼ SELL	7,580	30.00	$227K	−20%	Form 4 ↗
Oct 7	Oct 5	Koert ErhardtDirector	Director	▼ SELL	6,000	30.39	$182K	−37%	Form 4 ↗
Sep 22	Sep 18	Mahesh BalakrishnanDirector	Director	▼ SELL	10,000	32.34	$323K	−26%	Form 4 ↗
Sep 22	Sep 21	Eleni VrettouDirector	Director	▼ SELL	3,500	32.12	$112K	−4.5%	Form 4 ↗
Sep 17	Sep 15	Alexandros PappasOther	Other (ind.)	▲ BUY	74,400	28.27	$2.10M	+3.0%	Form 4 ↗
Sep 17	Sep 15	Milena Maria PappaDirector	Director (ind.)	▲ BUY	74,400	28.27	$2.10M	+2.4%	Form 4 ↗
Sep 17	Sep 15	Raffaele ZagariDirector	Director (ind.)	▲ BUY	50,000	28.27	$1.41M	+2.6%	Form 4 ↗
Sep 17	Sep 15	Nikolaos ReskosCOO	COO	▲ BUY	10,000	28.27	$283K	+2.5%	Form 4 ↗
Sep 17	Sep 15	Raffaele ZagariDirector	Director	▲ BUY	10,000	28.27	$283K	+36%	Form 4 ↗
Sep 17	Sep 15	Charis PlakantonakiChief Strategy Officer	Chief Strategy Officer	▲ BUY	3,000	28.27	$85K	+5.4%	Form 4 ↗

Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings

All 17 SBLK insider trades →

Insiders who traded in the past year

Insider	Role	Buys	Bought	Sells	Sold	Latest
Raffaele Zagari	Director	2	$1.70M	3	$3.32M	Oct 14, 2026
Koert Erhardt	Director	1	$170K	1	$182K	Oct 7, 2026
Mahesh Balakrishnan	Director	0	$0	1	$323K	Sep 22, 2026
Eleni Vrettou	Director	0	$0	1	$112K	Sep 22, 2026
Alexandros Pappas	Other	1	$2.10M	0	$0	Sep 17, 2026
Milena Maria Pappa	Director	1	$2.10M	0	$0	Sep 17, 2026
Nikolaos Reskos	COO	1	$283K	0	$0	Sep 17, 2026
Charis Plakantonaki	Chief Strategy Officer	1	$85K	2	$636K	Sep 17, 2026

Buybacks and executive pay

Star Bulk Carriers Corp. spent $98.1 million buying back its own shares in 2025.

From the company's XBRL data filed with the SEC. "Actually paid" is the SEC's pay-versus-performance measure, which counts changes in the value of stock awards. "Value of $100 invested" is the company's cumulative shareholder return as reported, usually measured from five years earlier. See all buybacks and CEO pay across companies.

Tracked funds that report SBLK

From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.

Fund	Quarter	Shares	Value	% of portfolio	Change
Renaissance Technologies	Q2 2026	2,099,637	$52.4M	0.07%	▲ +1.5%
Bridgewater Associates	Q2 2026	718,057	$17.9M	0.07%	▲ +30.2%

Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings

Reading these numbers

Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →