Star Bulk director buys 50K shares at $30.70

Rhea-AI Filing Summary

Star Bulk Carriers Corp. (SBLK) had a Form 4 filed by director Raffaele Zagari reporting one indirect equity transaction. An entity associated with the director acquired 50,000 common shares at $30.70 per share on August 24, 2026, held through two corporations in which he holds 100% of the economic interest and has investment control. Following this transaction, the associated entities held 1,953,000 common shares of Star Bulk Carriers Corp. indirectly.

Insider Trade Summary

Net Buyer: 50,000 shares

Net Buy 1 txn

Insider Zagari Raffaele

Role Director

Sold 50,000 shs ($1.53M)

Type	Security	Shares	Price	Value
Sale	Common shares, par value $0.01 per share F1	50,000	$30.70	$1.53M

Holdings After Transaction: Common shares, par value $0.01 per share — 1,953,000 shares (Indirect, By Corporation)

Footnotes (1)

1. F1. 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 transacted: 50,000 common shares Transaction price per share: $30.70 per share Indirect holdings after transaction: 1,953,000 common shares

3 metrics

Shares transacted 50,000 common shares Indirect acquisition reported by director on August 24, 2026

Transaction price per share $30.70 per share Price for the 50,000 common shares transacted

Indirect holdings after transaction 1,953,000 common shares Total indirect Star Bulk Carriers Corp. shares after reported transaction

Key Terms

indirect ownership, investment control, economic interest

3 terms

indirect ownership financial

"The reported Star Bulk Carriers Corp. shares are held indirectly"

investment control financial

"over which the reporting person has investment control"

economic interest financial

"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.

FAQ

What insider transaction in SBLK did director Raffaele Zagari report?

Director Raffaele Zagari reported an indirect acquisition of 50,000 common shares of Star Bulk Carriers Corp. on August 24, 2026, held through two corporations he fully owns economically and over which he has investment control.

At what price were the SBLK shares transacted in this Form 4?

The 50,000 Star Bulk Carriers Corp. common shares were transacted at $30.70 per share, according to the Form 4 data, with the price reported on a per-share basis.

How many SBLK shares does the reporting person hold after this transaction?

After the reported transaction, entities associated with the director held 1,953,000 common shares of Star Bulk Carriers Corp. indirectly, as disclosed in the Form 4.

Are the SBLK shares held directly or indirectly by the reporting person?

The reported Star Bulk Carriers Corp. shares are held indirectly through two corporations in which the reporting person indirectly holds 100% of the economic interest and has investment control.

Was the SBLK Form 4 transaction under a Rule 10b5-1 trading plan?

No. The Form 4 indicates the Rule 10b5-1 checkbox is not affirmed, meaning the transaction was not identified as being made pursuant to a Rule 10b5-1 trading plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/25/2026 - 01:58 PM Accepted by SEC EDGAR 08/25/2026 - 01:57 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)
08/24/2026

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	08/24/2026		S		50,000	A	$30.7	1,953,000	I	By Corporation(1)

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. 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	08/25/2026
	** 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)