MarketPeel
Insider Trading Intelligence
GS

Grigorios Siokas

COSM
CHIEF EXECUTIVE OFFICER · COSMOS HEALTH INC. · CIK 0001660125
FILING MIX · LIFETIME55%/45%
BUYS
66
SELLS
54
TOTAL VALUE
$31.24M
COMPANIES
1
ACTIVE SINCE
Jul 2020
HOLDINGS NOW
13,481,808
AVG SELL PX
$0.79
TRADE KIND
SHOWING 120 / 120
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
54 backtested trades · 8 horizons · 57 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Grigorios Siokas, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d54+46.30%-0.50%+1.12%-1.62%-1.76%-0.75
14d54+37.04%-6.65%+1.12%-7.77%-3.79%-3.27
30d54+31.48%-7.52%+1.91%-9.43%-13.64%-2.51
60d54+29.63%+0.36%+2.56%-2.20%-21.46%-0.23
90d54+27.78%-13.49%+3.39%-16.89%-31.61%-2.98
180d54(4 pending)+40.00%-0.27%+11.27%-9.08%-43.85%-0.87
1y54(16 pending)+7.89%-44.04%+22.64%-66.68%-58.67%-15.38
2y54(37 pending)+5.88%-77.72%+50.02%-127.74%-128.60%
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
COSM · 13,481,808 shares · as of Jun 11, 2026
05,436,90110,873,80316,310,70421,747,605202120222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 66 buys / 54 sellsCOVERAGE · 24 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
218,447$0.21$45.0K13,481,808Jun 11, 2026Jun 12, 2026View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
701,447$0.23$160.0K13,263,361Jun 10, 2026Jun 12, 2026View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
2,350,0000May 19, 2026Jun 11, 2026View →
COSM
COSMOS HEALTH INC.
PURCHASEGRANT
Stock grant
2,350,000$0.28$665.0K12,561,914May 19, 2026Jun 11, 2026View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
388,532$0.37$145.0K8,861,914Feb 12, 2026Feb 13, 2026View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
291,262$0.41$120.0K8,473,382Feb 11, 2026Feb 12, 2026View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
90,325$0.50$45.0K8,182,120Jan 23, 2026Jan 26, 2026View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
353,321$0.50$175.0K8,091,795Jan 20, 2026Jan 21, 2026View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
493,495$0.45$220.0K7,738,474Jan 14, 2026Jan 15, 2026View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
113,185$0.50$57.0K7,244,979Jan 12, 2026Jan 13, 2026View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
156,190$0.52$81.0K7,131,794Jan 8, 2026Jan 9, 2026View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
124,880$0.52$65.0K6,975,604Jan 7, 2026Jan 8, 2026View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
133,953$0.54$72.0K6,850,724Jan 6, 2026Jan 7, 2026View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
88,314$0.49$43.0K6,716,771Dec 19, 2025Dec 22, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
168,472$0.42$70.0K6,628,457Dec 15, 2025Dec 16, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
76,360$0.64$49.0K6,459,985Nov 28, 2025Dec 1, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
55,732$0.63$35.0K6,383,625Nov 25, 2025Nov 26, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
56,080$0.68$38.0K6,327,893Nov 21, 2025Nov 24, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
51,315$0.62$32.0K6,271,813Nov 20, 2025Nov 21, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
61,614$0.65$40.0K6,220,498Nov 19, 2025Nov 20, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
34,004$0.45$15.2K6,158,884May 23, 2025May 27, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
141,825$0.44$62.8K6,124,880May 22, 2025May 23, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
174,172$0.47$82.0K5,983,055May 21, 2025May 22, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
147,563$0.45$66.0K5,808,883May 20, 2025May 21, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
79,254$0.43$34.0K5,661,320May 19, 2025May 20, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
177,234$0.40$71.0K5,327,448Apr 24, 2025Apr 25, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
254,618$0.40$102.0K5,582,066Apr 24, 2025Apr 28, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
205,000$0.40$82.0K5,150,214Apr 23, 2025Apr 24, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
175,000$0.36$63.0K4,945,214Apr 22, 2025Apr 23, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
654,912$0.32$208.0K4,770,214Apr 21, 2025Apr 22, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
85,714$0.53$45.0K4,115,302Mar 4, 2025Mar 5, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
132,572$0.49$65.0K4,029,588Mar 3, 2025Mar 4, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
354,296$0.56$200.0K3,897,016Feb 24, 2025Feb 25, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
51,414$0.66$34.0K4,255,103Jan 30, 2025Jan 31, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
38,900$0.77$30.0K4,203,689Jan 22, 2025Jan 23, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
29,158$0.86$25.0K4,164,789Jan 17, 2025Jan 21, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
47,904$0.84$40.0K4,135,631Jan 16, 2025Jan 17, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
62,500$0.80$50.0K4,087,727Jan 15, 2025Jan 16, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
87,247$0.69$60.0K4,025,227Jan 14, 2025Jan 15, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
163,666$0.61$100.0K3,937,980Jan 13, 2025Jan 14, 2025View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
257,334$0.58$150.0K3,774,314Dec 20, 2024Dec 26, 2024View →
COSM
COSMOS HEALTH INC.
PURCHASE10b5-1
10b5-1 plan
60,000$0.83$49.8K1,394,597Feb 16, 2024Feb 20, 2024View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
6,712$23.66$158.8K1,334,597Oct 12, 2023Oct 12, 2023View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
181,451$2.48$450.0K1,327,885Jul 20, 2023Jul 24, 2023View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
4,474$23.92$107.0K1,146,434Jun 6, 2023Jun 7, 2023View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
4,474$24.64$110.2K1,141,960Apr 27, 2023Apr 28, 2023View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
4,474$24.49$109.6K1,137,486Apr 21, 2023Apr 21, 2023View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
2,238$24.37$54.5K1,133,012Apr 7, 2023Apr 10, 2023View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
260,870$11.50$3.00M1,130,774Dec 19, 2022Jan 27, 2023View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
260,870$11.50$3.00M260,870Dec 19, 2022Dec 21, 2022View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
260,870$11.50$3.00M1,130,774Dec 19, 2022Dec 21, 2022View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
1,131,098$0.62$703.0K21,747,605Dec 2, 2022Dec 2, 2022View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
703$0.62$4370Dec 2, 2022Dec 2, 2022View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
299$0.62$186703Nov 30, 2022Dec 1, 2022View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
481,079$0.62$299.0K20,616,507Nov 30, 2022Dec 1, 2022View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
801,261$0.62$498.0K20,135,429Nov 28, 2022Nov 29, 2022View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
801,261$0.62$498.0K20,135,429Nov 28, 2022Nov 28, 2022View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
498$0.62$3101,002Nov 28, 2022Nov 28, 2022View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
498$0.62$3101,002Nov 28, 2022Nov 29, 2022View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
2,654,782$0.62$1.65M0Oct 20, 2022Oct 24, 2022View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
12,500,000$0.12$1.50M12,500,000Oct 20, 2022Oct 24, 2022View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
12,500,000$0.12$1.50M19,334,168Oct 20, 2022Oct 24, 2022View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
12,500,000$0.12$1.50M12,500,000Oct 20, 2022Oct 24, 2022View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
5,309,564$0.12$637.1K5,309,564Oct 20, 2022Oct 24, 2022View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
1,500$0.62$9322,413,438Jun 15, 2022Aug 4, 2022View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
500,000$0.62$310.8K5,068,220Jun 15, 2022Aug 4, 2022View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
1,500$0.62$9322,413,438Jun 15, 2022Jul 21, 2022View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
500,000$0.62$310.8K4,826,876Jun 15, 2022Jul 21, 2022View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
125,000$6.00$750.0K6,834,167Dec 8, 2021Dec 14, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
28,500$4.08$116.3K6,709,167Oct 22, 2021Oct 22, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
4,500$0.26$1.2K6,794,367Oct 22, 2021Oct 22, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
30,000$0.19$5.7K6,798,867Oct 22, 2021Oct 22, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
30,500$3.82$116.5K6,737,667Oct 22, 2021Oct 22, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
2,200$0.16$3526,828,867Oct 22, 2021Oct 22, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
8,150$0.29$2.4K6,786,217Oct 22, 2021Oct 22, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
15,300$0.76$11.6K6,768,167Oct 22, 2021Oct 22, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
2,750$0.42$1.2K6,783,467Oct 22, 2021Oct 22, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
220,000$0.12$26.4K6,831,067Oct 22, 2021Oct 22, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
23,300$3.80$88.5K7,098,167Jul 20, 2021Jul 21, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
93,300$3.79$353.6K7,121,467Jul 20, 2021Jul 21, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
100,000$0.00$1007,224,517Jul 20, 2021Jul 21, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
2,500$0.47$1.2K7,214,767Jul 20, 2021Jul 21, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
4,250$0.28$1.2K7,220,267Jul 20, 2021Jul 21, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
12,300$3.85$47.4K7,085,867Jul 20, 2021Jul 21, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
34,800$4.07$141.6K7,051,067Jul 20, 2021Jul 21, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
3,000$0.39$1.2K7,217,267Jul 20, 2021Jul 21, 2021View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
208,333$6.00$1.25M7,324,517Jul 19, 2021Jul 21, 2021View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
166,667$6.00$1.00M7,116,184Jul 13, 2021Jul 14, 2021View →
COSM
COSMOS HEALTH INC.
PURCHASE
Chief Executive Officer
500,000$6.00$3.00M6,949,517Jun 23, 2021Jun 25, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
20,000$0.60$12.0K6,549,517Jun 17, 2021Jun 21, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
100,000$0.85$85.0K6,449,517Jun 17, 2021Jun 21, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
50,000$0.36$18.0K6,569,517Jun 17, 2021Jun 21, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
392,000$0.31$121.5K6,619,517Jun 17, 2021Jun 21, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
5,000$0.10$5007,380,667Apr 27, 2021Apr 28, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
2,000$0.30$6007,245,167Apr 27, 2021Apr 28, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
23,382$0.01$2347,535,667Apr 27, 2021Apr 28, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
50,000$0.00$507,559,049Apr 27, 2021Apr 28, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
12,000$0.50$6.0K7,219,967Apr 27, 2021Apr 28, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
6,000$0.40$2.4K7,239,167Apr 27, 2021Apr 28, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
133,500$0.12$16.0K7,247,167Apr 27, 2021Apr 28, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
13,000$3.85$50.0K7,044,017Apr 27, 2021Apr 28, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
143,750$3.53$507.4K7,057,017Apr 27, 2021Apr 28, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
9,200$0.66$6.1K7,200,767Apr 27, 2021Apr 28, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
150,000$0.01$1.5K7,385,667Apr 27, 2021Apr 28, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
26,500$4.02$106.5K7,017,517Apr 27, 2021Apr 28, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
7,200$0.42$3.0K7,231,967Apr 27, 2021Apr 28, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
10,000$0.60$6.0K7,209,967Apr 27, 2021Apr 28, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
6,000$4.03$24.2K7,011,517Apr 27, 2021Apr 28, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
10,000$0.12$1.2K7,699,549Jan 20, 2021Jan 21, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
14,990$0.01$1507,709,549Jan 20, 2021Jan 21, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
28,000$3.23$90.4K7,609,049Jan 20, 2021Jan 21, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
20,000$0.30$6.0K7,637,049Jan 20, 2021Jan 21, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
42,500$0.28$11.9K7,657,049Jan 20, 2021Jan 21, 2021View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
10,000$0.00$107,724,539Dec 21, 2020Dec 22, 2020View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
7,100$0.00$287,734,539Oct 19, 2020Oct 21, 2020View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
25,000$0.00$257,741,639Oct 12, 2020Oct 14, 2020View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
4,000$0.03$1207,786,639Jul 29, 2020Jul 29, 2020View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
25,000$0.00$257,820,639Jul 29, 2020Jul 29, 2020View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
30,000$0.02$6007,790,639Jul 29, 2020Jul 29, 2020View →
COSM
COSMOS HEALTH INC.
SALE
Chief Executive Officer
20,000$2.70$54.0K7,766,639Jul 29, 2020Jul 29, 2020View →
Other insiders · COSM
Loading peer insiders…
About this filer
CIK 0001660125
ROLE
Chief Executive Officer
PRIMARY
COSM
COMPANIES
1
ACTIVE SINCE
Jul 2020
MARKETPEEL · /INSIDER/0001660125DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
FREE · DAILY · 6 AM ET

One short email. Insider buys, congressional trades, and plain-English analysis.

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