Company insider activity

CSTL — insider activity

Name: CSTL (CSTL) insider activity
Creator: HoldLens
License: https://holdlens.com/api-terms

CSTL — 18 tracked Form 4 transactions across 1 distinct insider. Scored on HoldLens's signed −100..+100 InsiderScore.

HoldLens InsiderScore

-88

STRONG SELL

Buys

$3K

Sells

$209K

Cluster

3+ officers · 30d

Confidence

100%

sample × size

All tracked transactions

Insider	Title	Action	Value	Date
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	SELL	$0	Apr 21, 2026
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	SELL	$7K	Apr 21, 2026
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	SELL	$7K	Apr 21, 2026
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	SELL	$7K	Apr 21, 2026
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	SELL	$7K	Apr 21, 2026
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	SELL	$29K	Apr 21, 2026
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	SELL	$34K	Apr 21, 2026
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	SELL	$14K	Apr 21, 2026
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	BUY	$1K	Apr 21, 2026
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	SELL	$0	Apr 21, 2026
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	SELL	$7K	Apr 21, 2026
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	SELL	$7K	Apr 21, 2026
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	SELL	$7K	Apr 21, 2026
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	SELL	$7K	Apr 21, 2026
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	SELL	$29K	Apr 21, 2026
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	SELL	$34K	Apr 21, 2026
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	SELL	$14K	Apr 21, 2026
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	BUY	$1K	Apr 21, 2026

CSTL ConvictionScore

Full 13F + InsiderScore unified signal for CSTL.