Star Bulk director sells 50K shares at $31.20

Rhea-AI Filing Summary

Star Bulk Carriers Corp. (SBLK) director Raffaele Zagari reported a sale of 50,000 common shares on 2026-08-25 at $31.20 per share through an entity classified as indirect ownership. Following this transaction, he indirectly held 1,903,000 common shares, while a footnote states he also owns directly 27,850 common shares. The indirectly held shares are owned through two corporations in which he holds 100% of the economic interest and over which he has investment control. The Rule 10b5-1 plan checkbox was not selected for this filing.

Insider Trade Summary

Net Seller: 50,000 shares

Net Sell 1 txn

Insider Zagari Raffaele

Role Director

Sold 50,000 shs ($1.56M)

Type	Security	Shares	Price	Value
Sale	Common shares, par value $0.01 per share F1, F2	50,000	$31.20	$1.56M

Holdings After Transaction: Common shares, par value $0.01 per share — 1,903,000 shares (Indirect, By Corporation)

Footnotes (2)

1. F1. The undersigned further owns directly 27,850 common shares
2. F2. These shares are held by two corporations in which the reporting person indirectly holds 100% of the economic interest and over which the reporting person has investment control

Key Figures

Shares sold: 50,000 common shares Sale price per share: $31.20 per share Indirect holdings after transaction: 1,903,000 common shares +2 more

5 metrics

Shares sold 50,000 common shares Non-derivative sale on 2026-08-25 by director Raffaele Zagari

Sale price per share $31.20 per share Price for 50,000 SBLK common shares sold on 2026-08-25

Indirect holdings after transaction 1,903,000 common shares Indirect ownership through two corporations following the sale

Directly owned shares 27,850 common shares Additional direct ownership stated in footnote

Economic interest in holding corporations 100% economic interest Zagari’s interest in the two corporations holding the indirect shares

Key Terms

indirect ownership, economic interest, investment control, Common shares, par value $0.01 per share

4 terms

indirect ownership financial

"classified as indirect ownership and described as "By Corporation""

economic interest financial

"in which the reporting person indirectly holds 100% of the economic interest"

An economic interest is a right to receive money or other financial benefits from an asset, contract, or business activity without necessarily owning or controlling it; examples include a share of profits, royalties, dividend rights, or scheduled payments. Investors care because it determines who gets cash flow and bears risk — like collecting rent on a house you don’t legally own — and it affects valuation, expected returns, and how exposure to an investment is structured.

investment control financial

"and over which the reporting person has investment control"

Common shares, par value $0.01 per share financial

"security_title: Common shares, par value $0.01 per share"

FAQ

What insider transaction did Raffaele Zagari report for SBLK?

Raffaele Zagari reported a sale of 50,000 common shares of Star Bulk Carriers Corp. on 2026-08-25 at a price of $31.20 per share, classified as an indirect ownership transaction through corporations he controls.

What are Raffaele Zagari’s reported indirect holdings in SBLK after this sale?

After the reported sale, Raffaele Zagari’s indirect holdings in Star Bulk Carriers Corp. totaled 1,903,000 common shares, held through two corporations in which he holds 100% of the economic interest and has investment control.

How many SBLK shares does Raffaele Zagari directly own according to the Form 4?

A footnote states that Raffaele Zagari further owns directly 27,850 common shares of Star Bulk Carriers Corp., in addition to his indirect holdings through corporations he controls.

Was the SBLK insider sale by Raffaele Zagari under a Rule 10b5-1 trading plan?

No. The filing’s Rule 10b5-1 checkbox is not marked, indicating the reported 50,000-share sale of SBLK common shares was not affirmatively identified as made pursuant to a Rule 10b5-1 trading plan.

What was the sale price of the SBLK shares sold by Raffaele Zagari?

The 50,000 common shares of Star Bulk Carriers Corp. sold by Raffaele Zagari on 2026-08-25 were reported at a price of $31.20 per share, characterized as a sale in an open market or private transaction.

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Available on EDGAR 08/26/2026 - 01:17 PM Accepted by SEC EDGAR 08/26/2026 - 01:16 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Zagari Raffaele

(Last) (First) (Middle)

C/O STAR BULK MANAGEMENT INC

40 AG KONSTANTINOU

(Street)

ATHENS 15124

(City) (State) (Zip)

GREECE

(Country)

2. Issuer Name and Ticker or Trading Symbol
Star Bulk Carriers Corp. [ SBLK ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/25/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common shares, par value $0.01 per share	08/25/2026		S		50,000	D	$31.2	1,903,000(1)	I	By Corporation(2)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The undersigned further owns directly 27,850 common shares

2. These shares are held by two corporations in which the reporting person indirectly holds 100% of the economic interest and over which the reporting person has investment control

	/s/ Raffaele Zagari	08/26/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)