Cosmos Health Inc. COSM NASDAQ

NASDAQ Capital Marke • Healthcare • Drug Manufacturers - Specialty & Generic • US • USD

Cosmos Health Inc. (COSM) has 14 known insider and institutional holders on record. The largest holder is MAVROGIANNIS VASILEIOS with 9,433,560 shares. Other notable holders include Siokas Grigorios and DRAKOPOULOS PANAGIOTIS.

Over the last 12 months, insiders have made 26 transactions in COSM stock — 26 buys (valued at $2.07M) and 0 sells (valued at RSU Award). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.

COSM Insider Ownership

Top Holder

MAVROGIANNIS VASILEIOS

9,433,560 shares

Buys (12 mo)

$2.07M value

Sells (12 mo)

$0.00 value

12-Month Transaction Activity

Buy 100%

Sell 0%

Top Insider Holders

#	Name	Role	Shares Owned	Last Filed	Relative Size
1	Mavrogiannis Vasileios	10 Percent Owner	9,433,560	2013-05-31	100%
2	Siokas Grigorios	10 Percent Owner, Officer: Chief Executive Officer	8,861,914	2026-02-13	94%
3	Drakopoulos Panagiotis	10 Percent Owner, Officer: CEO	8,758,561	2013-05-31	93%
4	Goulielmos Dimitrios	Chief Executive Officer	5,416,000	2015-11-06	57%
5	Terzis Georgios	Chief Financial Officer	727,263	2024-12-26	8%
6	Tolis Panagiotis	Secretary	196,250	2012-10-10	2%
7	Goldstein Peter	10 Percent Owner	157,100	2021-07-28	2%
8	Demetriades Demetrios G.	Director	20,000	2025-04-04	0%
9	Aslidis Anastasios	Director	20,000	2023-12-22	0%
10	Bardakis Nikolaos	Chief Operating Officer	10,000	2023-08-01	0%
11	Ignatiades Pavlos	Chief Communications Officer	5,000	2023-07-28	0%
12	Ziegler Manfred	Director	5,000	2023-08-04	0%
13	Bhutawala Suhel	Director	5,000	2023-09-21	0%
14	Hoidas John James	Director	5,000	2023-08-01	0%

Recent Transactions (last 12 months)

Date	Name	Role	Type	Shares	Price	Value
2026-02-12	Siokas Grigorios	10 Percent Owner, Officer: Chief Executive Officer	Informative Buy	388,532	$0.37	$145K
2026-02-11	Siokas Grigorios	10 Percent Owner, Officer: Chief Executive Officer	Informative Buy	291,262	$0.41	$120K
2026-01-23	Siokas Grigorios	10 Percent Owner, Officer: Chief Executive Officer	Informative Buy	90,325	$0.50	$45K
2026-01-20	Siokas Grigorios	10 Percent Owner, Officer: Chief Executive Officer	Informative Buy	353,321	$0.50	$175K
2026-01-14	Siokas Grigorios	10 Percent Owner, Officer: Chief Executive Officer	Informative Buy	493,495	$0.45	$220K
2026-01-12	Siokas Grigorios	10 Percent Owner, Officer: Chief Executive Officer	Informative Buy	113,185	$0.50	$57K
2026-01-08	Siokas Grigorios	10 Percent Owner, Officer: Chief Executive Officer	Informative Buy	156,190	$0.52	$81K
2026-01-07	Siokas Grigorios	10 Percent Owner, Officer: Chief Executive Officer	Informative Buy	124,880	$0.52	$65K
2026-01-06	Siokas Grigorios	10 Percent Owner, Officer: Chief Executive Officer	Informative Buy	133,953	$0.54	$72K
2025-12-19	Siokas Grigorios	10 Percent Owner, Officer: Chief Executive Officer	Informative Buy	88,314	$0.49	$43K
2025-12-15	Siokas Grigorios	10 Percent Owner, Officer: Chief Executive Officer	Informative Buy	168,472	$0.42	$70K
2025-11-28	Siokas Grigorios	10 Percent Owner, Officer: Chief Executive Officer	Informative Buy	76,360	$0.64	$49K
2025-11-25	Siokas Grigorios	10 Percent Owner, Officer: Chief Executive Officer	Informative Buy	55,732	$0.63	$35K
2025-11-21	Siokas Grigorios	10 Percent Owner, Officer: Chief Executive Officer	Informative Buy	56,080	$0.68	$38K
2025-11-20	Siokas Grigorios	10 Percent Owner, Officer: Chief Executive Officer	Informative Buy	51,315	$0.62	$32K
2025-11-19	Siokas Grigorios	10 Percent Owner, Officer: Chief Executive Officer	Informative Buy	61,614	$0.65	$40K
2025-05-23	Siokas Grigorios	10 Percent Owner, Officer: Chief Executive Officer	Informative Buy	34,004	$0.45	$15.22K
2025-05-22	Siokas Grigorios	10 Percent Owner, Officer: Chief Executive Officer	Informative Buy	141,825	$0.44	$62.8K
2025-05-21	Siokas Grigorios	10 Percent Owner, Officer: Chief Executive Officer	Informative Buy	174,172	$0.47	$82K
2025-05-20	Siokas Grigorios	10 Percent Owner, Officer: Chief Executive Officer	Informative Buy	147,563	$0.45	$65.96K
2025-05-19	Siokas Grigorios	10 Percent Owner, Officer: Chief Executive Officer	Informative Buy	79,254	$0.43	$34K
2025-04-24	Siokas Grigorios	10 Percent Owner, Officer: Chief Executive Officer	Informative Buy	254,618	$0.40	$102K
2025-04-24	Siokas Grigorios	10 Percent Owner, Officer: Chief Executive Officer	Informative Buy	177,234	$0.40	$71K
2025-04-23	Siokas Grigorios	10 Percent Owner, Officer: Chief Executive Officer	Informative Buy	205,000	$0.40	$82K
2025-04-22	Siokas Grigorios	10 Percent Owner, Officer: Chief Executive Officer	Informative Buy	175,000	$0.36	$63K