Flawless Management Inc. - 29 Sep 2025 SCHEDULE 13D/A Report for C3IS INC. Common Stock, par value $0.01 per share (CISS)

Filing Manager
Flawless Management Inc.
Reporting Manager
Harry N. Vafias
Security
C3IS INC. Common Stock, par value $0.01 per share
Symbol
CISS
Shares outstanding
1.6M shares
Disclosed Ownership
101K shares
Ownership
6.3%
Form type
SCHEDULE 13D/A
Filing time
01 Oct 2025, 16:15:02 UTC
Date of event
29 Sep 2025
Next filing
10 Oct 2025
SEC
View on sec.gov

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Flawless Management Inc. 0.01% 4 0 4 /s/ Harry N. Vafias Harry N. Vafias, President 0001328920
Arethusa Properties LTD 4.5% 72.3K 0 72.3K /s/ Harry N. Vafias Harry N. Vafias, President 0002004014
Harry N. Vafias 6.3% 101K 28.2K 72.3K /s/ Harry N. Vafias Harry N. Vafias