Unknown

Insider

Director

Trades at: XGN· CSTL

30D 90D 1Y

Net shares · 365d

-22.9K

0 buy · 22.9K sell

Net value · 365d

-$717.4K

$0 in · $717.4K out

Sentiment · 365d

Net selling

0% buying · 100% selling

Open-market trades · 365d

0 buy · 22.9K sell

Trading track record · all companies

Running net of open-market buys − sells across every company. Tap the line or a marker for details. ▲ buy · ▼ sell.

Transactions · 365d

Open-market Buys Sells All types

XGN Grant·A
Jun 9, 26

Director

$0

37.5K sh

Own +50%
CSTL Sell·S
Mar 5, 26

Chief Financial Officer · 10b5-1

$167.9K

6.0K sh · $27.98

Own -9%
CSTL Exercise·M
Mar 4, 26

Chief Financial Officer · 10b5-1

$0

27.9K sh · 3 lots

Own New
CSTL Other·F
Mar 4, 26

Chief Financial Officer · 10b5-1

$401.9K

14.3K sh · $28.02 avg · 2 lots

Own -19%
CSTL Exercise·M
Mar 4, 26

Chief Financial Officer · 10b5-1

$12.8K

27.9K sh · $0.46 avg · 2 lots

Own +62%
CSTL Grant·A
Mar 3, 26

Chief Financial Officer · 10b5-1

$0

48.4K sh

Own New
CSTL Sell·S
Mar 3, 26

Chief Financial Officer · 10b5-1

$192.1K

7.0K sh · $27.44 avg · 2 lots

Own -12%
CSTL Grant·A
Jan 12, 26

Chief Financial Officer

$0

8.1K sh

Own New
CSTL Grant·A
Jan 12, 26

Chief Financial Officer

$0

8.1K sh

Own +16%
CSTL Sell·S
Dec 11, 25

Chief Financial Officer

$168.4K

4.5K sh · $37.45

Own -8%
CSTL Exercise·M
Dec 10, 25

Chief Financial Officer

$0

20.8K sh · 2 lots

Own New
CSTL Exercise·M
Dec 10, 25

Chief Financial Officer

—

20.8K sh · 2 lots

Own +56%
CSTL Other·F
Dec 10, 25

Chief Financial Officer

$354.8K

9.3K sh · $38.18 avg · 2 lots

Own -14%
CSTL Sell·S
Nov 11, 25

Chief Financial Officer · 10b5-1

$189.0K

5.4K sh · $35.08

Own -11%
CSTL Exercise·M
Aug 8, 25

Chief Financial Officer

$0

9.7K sh

Own New
CSTL Other·F
Aug 8, 25

Chief Financial Officer

$84.3K

4.4K sh · $19.36

Own -8%
CSTL Exercise·M
Aug 8, 25

Chief Financial Officer

$0

9.7K sh

Own +22%

Date▾	Ticker	Role	Type	Shares	Own Δ	Price	Value
Jun 9, 2026	XGN	Director	Grant A	37.5K	+50%	—	$0
Mar 5, 2026	CSTL	Chief Financial Officer	Sell S	6.0K	-9%	$27.98	$167.9K
Mar 4, 2026	CSTL	Chief Financial Officer	Exercise M	27.9K3 lots	New	—	$0
Mar 4, 2026	CSTL	Chief Financial Officer	Other F	14.3K2 lots	-19%	$28.02 avg	$401.9K
Mar 4, 2026	CSTL	Chief Financial Officer	Exercise M	27.9K2 lots	+62%	$0.46 avg	$12.8K
Mar 3, 2026	CSTL	Chief Financial Officer	Grant A	48.4K	New	—	$0
Mar 3, 2026	CSTL	Chief Financial Officer	Sell S	7.0K2 lots	-12%	$27.44 avg	$192.1K
Jan 12, 2026	CSTL	Chief Financial Officer	Grant A	8.1K	New	—	$0
Jan 12, 2026	CSTL	Chief Financial Officer	Grant A	8.1K	+16%	—	$0
Dec 11, 2025	CSTL	Chief Financial Officer	Sell S	4.5K	-8%	$37.45	$168.4K
Dec 10, 2025	CSTL	Chief Financial Officer	Exercise M	20.8K2 lots	New	—	$0
Dec 10, 2025	CSTL	Chief Financial Officer	Exercise M	20.8K2 lots	+56%	—	—
Dec 10, 2025	CSTL	Chief Financial Officer	Other F	9.3K2 lots	-14%	$38.18 avg	$354.8K
Nov 11, 2025	CSTL	Chief Financial Officer	Sell S	5.4K	-11%	$35.08	$189.0K
Aug 8, 2025	CSTL	Chief Financial Officer	Exercise M	9.7K	New	—	$0
Aug 8, 2025	CSTL	Chief Financial Officer	Other F	4.4K	-8%	$19.36	$84.3K
Aug 8, 2025	CSTL	Chief Financial Officer	Exercise M	9.7K	+22%	—	$0

Buy Sell Non-market (grant · exercise · gift)

About Unknown

This profile aggregates every SEC Form 4 insider transaction reported by Unknown across all companies they trade. Open-market purchases (code P) and sales (code S) are the highest-signal, discretionary trades; grants (A), option exercises (M) and gifts (G) reflect compensation rather than conviction and carry no market price. Figures cover the selected period and update as new filings are ingested.