Star Bulk (SBLK) director Zagari sells 11,500 common shares, retains 20,000

Rhea-AI Filing Summary

Star Bulk Carriers Corp. director Raffaele Zagari reported an open-market sale of common shares. On March 31, he sold 11,500 common shares of Star Bulk Carriers Corp. in an open-market transaction. After this sale, he directly holds 20,000 common shares.

Insider Trade Summary

Net Seller: 11,500 shares ($2,616,687,000)

Net Sell 1 txn

Insider Zagari Raffaele

Role Director

Sold 11,500 shs ($2.62B)

Type	Security	Shares	Price	Value
Sale	Common shares, par value $0.01 per share	11,500	$227,538.00	$2.62B

Holdings After Transaction: Common shares, par value $0.01 per share — 20,000 shares (Direct)

Footnotes (1)

Key Figures

Shares sold: 11,500 shares Shares held after transaction: 20,000 shares Transactions reported: 1 sale

3 metrics

Shares sold 11,500 shares Open-market sale of common shares on March 31

Shares held after transaction 20,000 shares Director’s direct ownership following sale

Transactions reported 1 sale Single non-derivative open-market transaction

Key Terms

open-market sale, non-derivative, Form 4, common shares

4 terms

open-market sale financial

"transaction_action: "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

non-derivative financial

"transaction_type: "non-derivative""

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

common shares financial

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

Common shares are the basic units of ownership in a company that give holders a claim on profits and a right to vote on key matters, like electing the board. Think of them as membership cards in a club: they let you share in successes and losses, but in a bankruptcy or liquidation they are paid after creditors and preferred shareholders, so their value can swing more and matters for assessing risk and potential return.

Form 4 Insider Transactions: What Each Field Means →

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)
03/31/2026

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	03/31/2026	03/31/2026	S		11,500	A	$227,538	20,000	D

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:

	/s/ Raffaele Zagari	04/01/2026
	** 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)

FAQ

What insider transaction did SBLK director Raffaele Zagari report?

Director Raffaele Zagari reported an open-market sale of Star Bulk Carriers Corp. shares. On March 31, he sold 11,500 common shares in a single non-derivative transaction, as disclosed in his Form 4 filing with the SEC.

How many Star Bulk Carriers (SBLK) shares did the director sell?

Raffaele Zagari sold 11,500 common shares of Star Bulk Carriers Corp. The transaction was classified as a non-derivative open-market sale, meaning it involved regular common shares rather than options or other derivative securities.

How many SBLK shares does the director hold after this sale?

Following the reported sale, Raffaele Zagari directly holds 20,000 common shares of Star Bulk Carriers Corp. This post-transaction balance reflects his remaining direct ownership after selling 11,500 shares in the open-market transaction.

What type of security was involved in the SBLK insider trade?

The transaction involved common shares of Star Bulk Carriers Corp., with a par value of $0.01 per share. It was recorded as a non-derivative transaction, meaning it did not relate to options, warrants, or other derivative instruments.

Was the SBLK insider transaction a buy or a sell?

The insider transaction was a sell. The Form 4 identifies the transaction code as “S” and describes it as an open-market sale, indicating that director Raffaele Zagari disposed of 11,500 common shares rather than acquiring additional shares.