C3is Inc. (CISS) holder group reports 1.33M shares under 9.99% cap

Rhea-AI Filing Summary

C3is Inc. has a significant shareholder group led by Lind Global Fund III LP, Lind Global Partners III LLC, and Jeff Easton, which together report beneficial ownership of 1,325,482 common shares of C3is Inc. common stock, representing 9.99% of the outstanding class.

The position is held through 1,140,000 units, with each unit consisting of one common share and one warrant to purchase an additional common share. The warrants contain a conversion limitation that prevents exercises which would increase the holders’ beneficial ownership above 9.99%, effectively capping voting and dispositive power at that level.

Key Figures

Beneficial ownership: 1,325,482 shares Ownership percentage: 9.99% Units held: 1,140,000 units +2 more

5 metrics

Beneficial ownership 1,325,482 shares Common stock beneficially owned by each Reporting Person

Ownership percentage 9.99% Percent of C3is Inc. common stock class reported by each Reporting Person

Units held 1,140,000 units Each unit consists of one common share and one warrant

Sole voting power 1,325,482.00 Shares over which each Reporting Person has sole voting power

Sole dispositive power 1,325,482.00 Shares over which each Reporting Person has sole dispositive power

Key Terms

beneficial ownership, dispositive power, warrants, conversion limitations, +1 more

5 terms

beneficial ownership financial

"the reporting person's beneficial ownership has been limited to 1,325,482 shares"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

dispositive power financial

"Sole Dispositive Power 1,325,482.00"

Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.

warrants financial

"one share of common stock and (ii) one warrant to purchase one Common Share"

Warrants are special documents that give you the right to buy a company's stock at a set price before a certain date. They are often used as a way for companies to attract investors or raise money, and their value can increase if the company's stock price goes up.

conversion limitations financial

"however, due to the conversion limitations on the Warrants"

percent of class financial

"Percent of class: See Row 11 of cover page"

Percent of class is the portion of a specific category of securities—such as a company’s common shares, preferred shares, or a bond series—that takes part in or approves a corporate action (vote, consent, tender, etc.). Investors watch this number because it reveals how much support or opposition exists within that particular shareholder group; like counting how many members of a club back a proposal, it can determine whether a plan passes or how influence is distributed.

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

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Available on EDGAR 07/31/2026 - 04:31 PM Accepted by SEC EDGAR 07/31/2026 - 04:30 PM Learn about SEC filing dates

FAQ

How much of C3is Inc. (CISS) stock do the Lind Global entities and Jeff Easton beneficially own?

They report beneficial ownership of 1,325,482 common shares of C3is Inc., representing 9.99% of the company’s common stock. This stake reflects both shares and warrants, subject to a 9.99% ownership cap.

What securities do the Lind Global entities hold in C3is Inc. (CISS)?

They hold 1,140,000 units, each consisting of one C3is common share and one warrant to purchase one additional common share. Beneficial ownership is effectively limited to 1,325,482 shares by the warrant terms.

Why is the C3is Inc. (CISS) ownership by Lind Global capped at 9.99%?

The warrants include a conversion limitation that blocks exercises which would cause the holder to beneficially own more than 9.99% of C3is Inc. This provision keeps reported ownership below that threshold.

Who has voting and dispositive power over the C3is Inc. (CISS) shares reported by Lind Global?

Lind Global Fund III LP, Lind Global Partners III LLC, and Jeff Easton each report sole voting power and sole dispositive power over 1,325,482 shares, with no shared voting or dispositive power.

What role does Jeff Easton play in the C3is Inc. (CISS) reporting group?

Jeff Easton is the managing member of Lind Global Partners III LLC, which is the general partner of Lind Global Fund III LP. He may be deemed to have sole voting and dispositive power over the reported C3is shares.

What is the structure of the units held in C3is Inc. (CISS) by Lind Global Fund III LP?

Their ownership consists of 1,140,000 units, with each unit including one C3is common share and one warrant. The associated warrants are subject to a 9.99% beneficial ownership conversion cap.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

C3is Inc.

(Name of Issuer)

Common Stock, par value $0.01 per share

(Title of Class of Securities)

Y18284300

(CUSIP Number)

06/28/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): Y18284300

1

Names of Reporting Persons

Lind Global Fund III LP

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 1,325,482.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,325,482.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,325,482.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

9.99 %

12

Type of Reporting Person (See Instructions)

PN

Comment for Type of Reporting Person: (1) The reporting person's ownership consists of 1,140,000 units, with each unit consisting of (i) one share of common stock, par value $0.01 per share ("Common Shares") and (ii) one warrant to purchase one Common Share (the "Warrants"); however, due to the conversion limitations on the Warrants, the reporting person's beneficial ownership has been limited to 1,325,482 shares in the aggregate. (2) The Warrants include a provision limiting the holder's ability to convert the Warrants if such conversion would cause the holder to beneficially own greater than 9.99% of the Company.

SCHEDULE 13G

CUSIP Number(s): Y18284300

1

Names of Reporting Persons

Lind Global Partners III LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 1,325,482.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,325,482.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,325,482.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

9.99 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: (1) The reporting person's ownership consists of 1,140,000 units, with each unit consisting of one Common Share and one Warrant; however, due to the conversion limitations on the Warrants, the reporting person's beneficial ownership has been limited to 1,325,482 shares in the aggregate. (2) The Warrants include a provision limiting the holder's ability to convert the Warrants if such conversion would cause the holder to beneficially own greater than 9.99% of the Company.

SCHEDULE 13G

CUSIP Number(s): Y18284300

1

Names of Reporting Persons

EASTON JEFF

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 1,325,482.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,325,482.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,325,482.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

9.99 %

12

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: (1) The reporting person's ownership consists of 1,140,000 units, with each unit consisting of one Common Share and one Warrant; however, due to the conversion limitations on the Warrants, the reporting person's beneficial ownership has been limited to 1,325,482 shares in the aggregate. (2) The Warrants include a provision limiting the holder's ability to convert the Warrants if such conversion would cause the holder to beneficially own greater than 9.99% of the Company.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: C3is Inc.
(b)	Address of issuer's principal executive offices: 331 Kifissias Avenue, Kifissia, Athens, Greece, 14561
Item 2.
(a)	Name of person filing: This statement is filed by the following entities and individuals (collectively, referred to as the "Reporting Persons"): o Lind Global Fund III LP, a Delaware limited partnership; o Lind Global Partners III LLC, a Delaware limited liability company; and o Jeff Easton, an individual and a citizen of the United States of America. Lind Global Partners III LLC, the general partner of Lind Global Fund III LP, may be deemed to have sole voting and dispositive power with respect to the shares held by Lind Global Fund III LP. Jeff Easton, the managing member of Lind Global Partners III LLC, may be deemed to have sole voting and dispositive power with respect to the shares held by Lind Global Fund III LP.
(b)	Address or principal business office or, if none, residence: The address of the principal business office for each of the Reporting Persons is: 444 Madison Ave, Floor 41 New York, NY 10022
(c)	Citizenship: See Row 4 of cover page for each Reporting Person.
(d)	Title of class of securities: Common Stock, par value $0.01 per share
(e)	CUSIP Number(s): Y18284300
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: See Row 9 of cover page for each Reporting Person.
(b)	Percent of class: See Row 11 of cover page for each Reporting Person.
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: See Row 5 of cover page for each Reporting Person.
	(ii) Shared power to vote or to direct the vote: See Row 6 of cover page for each Reporting Person.
	(iii) Sole power to dispose or to direct the disposition of: See Row 7 of cover page for each Reporting Person.
	(iv) Shared power to dispose or to direct the disposition of: See Row 8 of cover page for each Reporting Person.
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Lind Global Fund III LP

Signature:	By: Lind Global Partners III LLC, its General Partner, By: /s/ Jeff Easton
Name/Title:	Jeff Easton, Managing Member
Date:	07/31/2026

Lind Global Partners III LLC

Signature:	/s/ Jeff Easton
Name/Title:	Jeff Easton, Managing Member
Date:	07/31/2026

EASTON JEFF

Signature:	/s/ Jeff Easton
Name/Title:	Jeff Easton
Date:	07/31/2026

Exhibit Information

Exhibit 99.1 Joint Filing Agreement