Kristen M. Oelschlager

CIK: 0001856565

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)21 (48.8%)

Position reduction

Option Exercises (M)10 (23.3%)

Derivative conversions

Awards (A)3 (7.0%)

Compensation grants

Other (G, F, J, C, D, …)9 (20.9%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

CSTL

CASTLE BIOSCIENCES INC

Officer

Discretionary Trading P&L

Holdings

Transaction History (43 total)

CSTL
CASTLE BIOSCIENCES INC
Oct 1, 2026
Sale(S)
Direct
1.3K shares at avg. $36.38$49K
CSTL
CASTLE BIOSCIENCES INC
Oct 1, 2026
Exercise(M)
Direct
4.2K shares at avg. $3.38$14K
CSTL
CASTLE BIOSCIENCES INC
Oct 1, 2026
Sale(S)
Direct
2.8K shares at avg. $35.75$100K
CSTL
CASTLE BIOSCIENCES INC
Sep 1, 2026
Sale(S)
Direct
4K shares at avg. $33.36$132K
CSTL
CASTLE BIOSCIENCES INC
Sep 1, 2026
Exercise(M)
Direct
4.2K shares at avg. $3.38$14K
CSTL
CASTLE BIOSCIENCES INC
Sep 1, 2026
Sale(S)
Direct
200 shares at avg. $34.02$7K
CSTL
CASTLE BIOSCIENCES INC
Aug 25, 2026
Sale(S)
Indirect
5.2K shares at avg. $34.64$181K
CSTL
CASTLE BIOSCIENCES INC
Aug 25, 2026
Sale(S)
Indirect
7.2K shares at avg. $34.26$245K
CSTL
CASTLE BIOSCIENCES INC
Aug 24, 2026
Sale(S)
Indirect
12.2K shares at avg. $33.69$412K
CSTL
CASTLE BIOSCIENCES INC
Aug 3, 2026
Sale(S)
Direct
1.1K shares at avg. $30.62$34K
CSTL
CASTLE BIOSCIENCES INC
Aug 3, 2026
Sale(S)
Direct
4.5K shares at avg. $30.00$135K
CSTL
CASTLE BIOSCIENCES INC
Aug 3, 2026
Sale(S)
Direct
3K shares at avg. $29.12$87K
CSTL
CASTLE BIOSCIENCES INC
Jul 1, 2026
Sale(S)
Direct
400 shares at avg. $24.78$10K
CSTL
CASTLE BIOSCIENCES INC
Jul 1, 2026
Sale(S)
Direct
8.2K shares at avg. $24.40$200K
CSTL
CASTLE BIOSCIENCES INC
Jun 16, 2026
Sale(S)
Direct
8.6K shares at avg. $20.71$178K
CSTL
CASTLE BIOSCIENCES INC
Mar 4, 2026
Exercise(M)
Direct
25.8K shares-
CSTL
CASTLE BIOSCIENCES INC
Mar 4, 2026
Tax Payment(F)
Direct
6.8K shares at avg. $28.17$191K
CSTL
CASTLE BIOSCIENCES INC
Mar 3, 2026
Tax Payment(F)
Direct
2.4K shares at avg. $27.57$67K
CSTL
CASTLE BIOSCIENCES INC
Mar 3, 2026
Award(A)
Restricted Stock Units
Direct
48.4K shares-
CSTL
CASTLE BIOSCIENCES INC
Jan 12, 2026
Award(A)
Direct
9.2K shares-
CSTL
CASTLE BIOSCIENCES INC
Dec 17, 2025
Sale(S)
Direct
14.9K shares at avg. $39.31$585K
CSTL
CASTLE BIOSCIENCES INC
Dec 10, 2025
Exercise(M)
Direct
6.2K shares-
CSTL
CASTLE BIOSCIENCES INC
Dec 10, 2025
Tax Payment(F)
Direct
2.6K shares at avg. $38.02$97K
CSTL
CASTLE BIOSCIENCES INC
Dec 9, 2025
Tax Payment(F)
Direct
4.7K shares at avg. $38.25$179K
CSTL
CASTLE BIOSCIENCES INC
Dec 9, 2025
Exercise(M)
Direct
16K shares-

		Type	Shares	Price		Ownership
Oct 1, 2026	CSTL CASTLE BIOSCIENCES INC	Sale(S)	1,346	$36.38	$48,967	Direct
Oct 1, 2026	CSTL CASTLE BIOSCIENCES INC	Exercise(M)	4,153	$3.38	$14,037	Direct
Oct 1, 2026	CSTL CASTLE BIOSCIENCES INC	Sale(S)	2,807	$35.75	$100,350	Direct
Sep 1, 2026	CSTL CASTLE BIOSCIENCES INC	Sale(S)	3,952	$33.36	$131,839	Direct
Sep 1, 2026	CSTL CASTLE BIOSCIENCES INC	Exercise(M)	4,152	$3.38	$14,034	Direct
Sep 1, 2026	CSTL CASTLE BIOSCIENCES INC	Sale(S)	200	$34.02	$6,804	Direct
Aug 25, 2026	CSTL CASTLE BIOSCIENCES INC	Sale(S)	5,223	$34.64	$180,919	Indirect
Aug 25, 2026	CSTL CASTLE BIOSCIENCES INC	Sale(S)	7,161	$34.26	$245,357	Indirect
Aug 24, 2026	CSTL CASTLE BIOSCIENCES INC	Sale(S)	12,218	$33.69	$411,588	Indirect
Aug 3, 2026	CSTL CASTLE BIOSCIENCES INC	Sale(S)	1,100	$30.62	$33,682	Direct
Aug 3, 2026	CSTL CASTLE BIOSCIENCES INC	Sale(S)	4,486	$30.00	$134,580	Direct
Aug 3, 2026	CSTL CASTLE BIOSCIENCES INC	Sale(S)	3,000	$29.12	$87,360	Direct
Jul 1, 2026	CSTL CASTLE BIOSCIENCES INC	Sale(S)	400	$24.78	$9,912	Direct
Jul 1, 2026	CSTL CASTLE BIOSCIENCES INC	Sale(S)	8,186	$24.40	$199,738	Direct
Jun 16, 2026	CSTL CASTLE BIOSCIENCES INC	Sale(S)	8,587	$20.71	$177,837	Direct
Mar 4, 2026	CSTL CASTLE BIOSCIENCES INC	Exercise(M)	25,771	-	$0	Direct
Mar 4, 2026	CSTL CASTLE BIOSCIENCES INC	Tax Payment(F)	6,792	$28.17	$191,331	Direct
Mar 3, 2026	CSTL CASTLE BIOSCIENCES INC	Tax Payment(F)	2,427	$27.57	$66,912	Direct
Mar 3, 2026	CSTL CASTLE BIOSCIENCES INC	Award(A) Restricted Stock Units	48,367	-	-	Direct
Jan 12, 2026	CSTL CASTLE BIOSCIENCES INC	Award(A)	9,207	-	$0	Direct
Dec 17, 2025	CSTL CASTLE BIOSCIENCES INC	Sale(S)	14,888	$39.31	$585,292	Direct
Dec 10, 2025	CSTL CASTLE BIOSCIENCES INC	Exercise(M)	6,170	-	-	Direct
Dec 10, 2025	CSTL CASTLE BIOSCIENCES INC	Tax Payment(F)	2,552	$38.02	$97,027	Direct
Dec 9, 2025	CSTL CASTLE BIOSCIENCES INC	Tax Payment(F)	4,691	$38.25	$179,431	Direct
Dec 9, 2025	CSTL CASTLE BIOSCIENCES INC	Exercise(M)	15,961	-	-	Direct

1-25 of 43 transactions

About Oelschlager Kristen M

Oelschlager Kristen M (SEC CIK 0001856565) files insider reports with the SEC as Chief Operating Officer of CASTLE BIOSCIENCES INC (CSTL).

Signal8 holds 19 ownership filings by Oelschlager Kristen M, all Form 4s, filed between Sep 5, 2024 and Oct 5, 2026. Those filings report 43 transactions, from Sep 3, 2024 to Oct 1, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Oelschlager Kristen M's filings is in FRIENDSWOOD, TX.

Recent filings by Oelschlager Kristen M

Oct 1, 2026: Open-market sale of CSTL shares (Form 4, code S).
Oct 1, 2026: Option exercise of CSTL shares (Form 4, code M).
Oct 1, 2026: Open-market sale of CSTL shares (Form 4, code S).
Sep 1, 2026: Open-market sale of CSTL shares (Form 4, code S).
Sep 1, 2026: Option exercise of CSTL shares (Form 4, code M).

Other insiders filing for CASTLE BIOSCIENCES INC (CSTL)

Juvenal Tobin W, Chief Commercial Officer
MAETZOLD DEREK J, Pres. & Chief Exec. Officer
Stokes Frank, Chief Financial Officer
Olson Tiffany, Director
Goldberg Ellen, Director
Harrison Miles, Director

How to read Form 4 transaction codes