Seanergy CEO reports share and preferred holdings

Seanergy Maritime Holdings Corp. director and CEO Stamatios Tsantanis reported his existing equity stake.

Accepted by SEC EDGAR 03/18/2026 - 04:42 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Seanergy Maritime Holdings Corp. director and CEO Stamatios Tsantanis reported his existing equity stake. The filing shows direct ownership of 2,084,403 shares of common stock and 20,000 Series B preferred shares. These entries are labeled as holdings and do not reflect new purchases or sales.

Insider Trade Summary

Holdings reported, no transactions

Holdings

Insider Tsantanis Stamatios

Role Director, CEO

Type	Security	Shares	Price	Value
Holding	Shares of Common Stock, par value $0.0001 per share	--	--	--
Holding	Series B Preferred Shares, par value $0.0001 per share	--	--	--

Holdings: Shares of Common Stock, par value $0.0001 per share — 2,084,403 shares (Direct); Series B Preferred Shares, par value $0.0001 per share — 20,000 shares (Direct)

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Seanergy Maritime (SHIP) Form 3 filing disclose about insider holdings?

The Form 3 for Seanergy Maritime (SHIP) shows director and CEO Stamatios Tsantanis directly holding 2,084,403 common shares and 20,000 Series B preferred shares. These positions are reported as existing holdings rather than newly executed transactions.

Did the Seanergy Maritime (SHIP) Form 3 show any insider buying or selling?

The Form 3 lists only holding entries, with no reported buys or sells. Transaction summaries show zero buy and sell counts, indicating the filing records existing ownership positions rather than new market trades by the reporting person.

How many Seanergy Maritime (SHIP) common shares does the CEO report owning?

Stamatios Tsantanis, director and CEO of Seanergy Maritime (SHIP), reports direct ownership of 2,084,403 shares of common stock. This figure represents his reported beneficial position in the company’s common equity in this filing.

What preferred shares are reported in the Seanergy Maritime (SHIP) Form 3?

The Form 3 shows the CEO directly holding 20,000 Series B Preferred Shares, each with a par value of $0.0001 per share. This preferred stake is disclosed separately from his common stock holdings in the same filing.

Who is the reporting person in the Seanergy Maritime (SHIP) Form 3 filing?

The reporting person is Stamatios Tsantanis, who serves as both director and CEO of Seanergy Maritime Holdings Corp. The filing details his direct beneficial ownership in the company’s common and Series B preferred shares.

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

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SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Tsantanis Stamatios

(Last) (First) (Middle)

154 VOULIAGMENIS AVENUE

(Street)

GLYFADA 16674

(City) (State) (Zip)

GREECE

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
Seanergy Maritime Holdings Corp. [ SHIP ]

3a. Foreign Trading Symbol

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

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

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

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

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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Shares of Common Stock, par value $0.0001 per share	2,084,403	D
Series B Preferred Shares, par value $0.0001 per share	20,000	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Tsantanis Stamatios	03/18/2026
	** 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 5 (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 3: SEC 1473 (03-26)