Charis Plakantonaki

CIK 1978604 · Chief Strategy Officer · last filed 2026-04-16

Charis Plakantonaki is a Chief Strategy Officer who has filed 2 SEC Form 4 insider transactions across 1 company since 2026. The most recent filing shows the insider sold $405.2K of SBLK on Apr 16, 2026. Current disclosed insider exposure totals $1.6M across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

Disclosed Exposure

$1.64M

Companies

1

Total Filings

2

Lifetime Open-Market Net

$0

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.

Symbol	Role	Shares	Price	Disclosed Exposure	Lifetime OM Net	Filings	Latest Filed
SBLK	Chief Strategy Officer	60,228	$27.15	$1.64M	$0	2	2026-04-16

Recent Filings

2 filings

Form 4 transactions across all companies, newest first.

Filed	Symbol	Action	Net Shares	Net $	Link
2026-04-16	SBLK	Sell (S)	+16,500	$405.2K	EDGAR
2026-04-16	SBLK	Sell (S)	−16,500	-$405.2K	EDGAR

Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.