Oelschlager Kristen M

Insider

Chief Operating Officer

Trades at: CSTL

30D 90D 1Y

Net shares · 365d

-103.8K

0 buy · 103.8K sell

Net value · 365d

-$2.8M

$0 in · $2.8M out

Sentiment · 365d

Net selling

0% buying · 100% selling

Open-market trades · 365d

0 buy · 103.8K 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

CSTL Sell·S
Jun 16, 26

Chief Operating Officer · 10b5-1

$177.8K

8.6K sh · $20.71

Own -22%
CSTL Exercise·M
Mar 4, 26

Chief Operating Officer

$0

25.8K sh · 2 lots

Own +255%
CSTL Exercise·M
Mar 4, 26

Chief Operating Officer

—

25.8K sh

Own +128%
CSTL Other·F
Mar 4, 26

Chief Operating Officer

$258.2K

9.2K sh · $28.01 avg · 2 lots

Own -19%
CSTL Grant·A
Mar 3, 26

Chief Operating Officer

$0

48.4K sh

Own New
CSTL Grant·A
Jan 12, 26

Chief Operating Officer

$0

9.2K sh

Own New
CSTL Grant·A
Jan 12, 26

Chief Operating Officer

$0

9.2K sh

Own +75%
CSTL Sell·S
Dec 17, 25

Chief Operating Officer

$585.2K

14.9K sh · $39.31

Own -55%
CSTL Exercise·M
Dec 10, 25

Chief Operating Officer

$0

22.1K sh · 2 lots

Own New
CSTL Exercise·M
Dec 10, 25

Chief Operating Officer

—

22.1K sh · 2 lots

Own +290%
CSTL Other·F
Dec 10, 25

Chief Operating Officer

$276.5K

7.2K sh · $38.17 avg · 2 lots

Own -21%
CSTL Sell·S
Nov 11, 25

Chief Operating Officer · 10b5-1

$664.5K

18.9K sh · $35.10

Own -61%
CSTL Sell·S
Oct 31, 25

Chief Operating Officer · 10b5-1

$317.5K

12.7K sh · $25.04

Own -32%
CSTL Sell·S
Aug 27, 25

Chief Operating Officer

$390.6K

18.0K sh · $21.69

Own -15%
CSTL Sell·S
Aug 27, 25

Chief Operating Officer · 10b5-1

$279.1K

12.7K sh · $22.02

Own -8%
CSTL Sell·S
Aug 27, 25

Chief Operating Officer

$390.6K

18.0K sh · $21.69

Own -10%
CSTL Exercise·M
Aug 8, 25

Chief Operating Officer

$0

10.6K sh

Own New
CSTL Other·F
Aug 8, 25

Chief Operating Officer

$54.3K

2.8K sh · $19.36

Own -2%
CSTL Exercise·M
Aug 8, 25

Chief Operating Officer

$0

10.6K sh

Own +6%

Date▾	Ticker	Role	Type	Shares	Own Δ	Price	Value
Jun 16, 2026	CSTL	Chief Operating Officer	Sell S	8.6K	-22%	$20.71	$177.8K
Mar 4, 2026	CSTL	Chief Operating Officer	Exercise M	25.8K · 2 lots	+255%	—	$0
Mar 4, 2026	CSTL	Chief Operating Officer	Exercise M	25.8K	+128%	—	—
Mar 4, 2026	CSTL	Chief Operating Officer	Other F	9.2K · 2 lots	-19%	$28.01 avg	$258.2K
Mar 3, 2026	CSTL	Chief Operating Officer	Grant A	48.4K	New	—	$0
Jan 12, 2026	CSTL	Chief Operating Officer	Grant A	9.2K	New	—	$0
Jan 12, 2026	CSTL	Chief Operating Officer	Grant A	9.2K	+75%	—	$0
Dec 17, 2025	CSTL	Chief Operating Officer	Sell S	14.9K	-55%	$39.31	$585.2K
Dec 10, 2025	CSTL	Chief Operating Officer	Exercise M	22.1K · 2 lots	New	—	$0
Dec 10, 2025	CSTL	Chief Operating Officer	Exercise M	22.1K · 2 lots	+290%	—	—
Dec 10, 2025	CSTL	Chief Operating Officer	Other F	7.2K · 2 lots	-21%	$38.17 avg	$276.5K
Nov 11, 2025	CSTL	Chief Operating Officer	Sell S	18.9K	-61%	$35.10	$664.5K
Oct 31, 2025	CSTL	Chief Operating Officer	Sell S	12.7K	-32%	$25.04	$317.5K
Aug 27, 2025	CSTL	Chief Operating Officer	Sell S	18.0K	-15%	$21.69	$390.6K
Aug 27, 2025	CSTL	Chief Operating Officer	Sell S	12.7K	-8%	$22.02	$279.1K
Aug 27, 2025	CSTL	Chief Operating Officer	Sell S	18.0K	-10%	$21.69	$390.6K
Aug 8, 2025	CSTL	Chief Operating Officer	Exercise M	10.6K	New	—	$0
Aug 8, 2025	CSTL	Chief Operating Officer	Other F	2.8K	-2%	$19.36	$54.3K
Aug 8, 2025	CSTL	Chief Operating Officer	Exercise M	10.6K	+6%	—	$0

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

About Oelschlager Kristen M

This profile aggregates every SEC Form 4 insider transaction reported by Oelschlager Kristen M 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.