CSTL

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Index	RUT
Market Cap	1.02B
Enterprise Value	792.33M
Income	-19.41M
Sales	357.28M
Book/sh	15.41
Cash/sh	8.73
Dividend Est.	-
Dividend TTM	-
Dividend Ex-Date	-
Dividend Gr. 3/5Y	- -
Payout	-
Employees	883
IPO	Jul 25, 2019

P/E	-
Forward P/E	-
PEG	-
P/S	2.86
P/B	2.17
P/C	3.83
P/FCF	-
EV/EBITDA	-
EV/Sales	2.22
Quick Ratio	5.85
Current Ratio	6.04
Debt/Eq	0.08
LT Debt/Eq	0.07
Option/Short	Yes / Yes

EPS (ttm)	-0.65
EPS next Y	-0.99
EPS next Q	-0.36
EPS this Y	-53.28%
EPS next Y	22.27%
EPS next 5Y	24.16%
EPS past 3/5Y	31.36% -8.93%
Sales past 3/5Y	35.94% 40.60%
EPS Y/Y TTM	-100.37%
Sales Y/Y TTM	3.18%
EPS Q/Q	-144.28%
Sales Q/Q	20.14%
Earnings	Jul 30 AMC
EPS/Sales Surpr.	82.80% 20.07%

Insider Own	2.27%
Insider Trans	-33.74%
Inst Own	90.07%
Inst Trans	-1.47%
ROA	-3.51%
ROE	-4.20%
ROIC	-3.86%
Gross Margin	74.13%
Oper. Margin	-8.99%
Profit Margin	-5.43%
SMA20	10.52%
SMA50	28.33%
SMA200	13.69%
Trades

Shs Outstand	30.51M
Shs Float	29.86M
Short Float	5.23%
Short Ratio	3.86
Short Interest	1.56M
52W High	44.28 -24.41%
52W Low	17.72 88.86%
Volatility	7.67% 6.59%
ATR (14)	1.80
RSI (14)	67.31
Beta	0.99
Rel Volume	0.00
Avg Volume	404.43K
Volume	0

Perf Week	11.75%
Perf Month	35.59%
Perf Quarter	66.10%
Perf Half Y	15.65%
Perf YTD	-13.96%
Perf Year	60.60%
Perf 3Y	78.89%
Perf 5Y	-54.36%
Perf 10Y	-
Recom	1.11
Target Price	44.00
Prev Close	33.47
Price	33.47
Change %	0.00%

Date	Action	Analyst	Rating Change	Price Target Change
Jun-25-26	Initiated	Roth Capital	Buy	$40
Dec-14-23	Initiated	Guggenheim	Buy	$25
Jan-05-23	Initiated	Scotiabank	Sector Outperform	$54
Jan-07-22	Initiated	Stephens	Overweight	$59
Apr-30-21	Initiated	Lake Street	Buy	$94
Nov-10-20	Initiated	KeyBanc Capital Markets	Overweight	$70
Dec-27-19	Reiterated	Canaccord Genuity	Buy	$34 → $35
Aug-19-19	Initiated	SVB Leerink	Outperform	$28
Aug-19-19	Initiated	Robert W. Baird	Outperform	$27
Aug-19-19	Initiated	Canaccord Genuity	Buy	$26
Aug-19-19	Initiated	BTIG Research	Buy	$25

Show Previous Ratings

Aug-20-26 07:00AM	Castle Biosciences to Participate in Upcoming Investor Conferences (PR Newswire)
Aug-17-26 07:00AM	Castle Biosciences Approved for Dual Listing on Nasdaq Texas (PR Newswire)
Aug-03-26 10:55AM	Next GLP-1 Billion-Dollar Market: Fireside Chat with Conexeu Sciences CEO Miles Harrison (IPO-Edge.com) +8.54%
Jul-31-26 08:30AM	Castle Biosciences, Inc. Q2 2026 Earnings Call Summary (Moby)
01:03AM	Castle Biosciences Inc (CSTL) (Q2 2026) Earnings Call Highlights: Revenue Surges 20% to $103. ... (GuruFocus.com)
04:05PM	Loading…
Jul-30-26 04:05PM	Castle Biosciences Reports Second Quarter 2026 Results (PR Newswire) +9.53%
Jul-22-26 07:00AM	Castle Biosciences to Present at the Canaccord Genuity 46th Annual Growth Conference (PR Newswire)
Jul-14-26 04:30PM	Castle Biosciences Announces New York State Department of Health Approval of its AdvanceAD-Tx Test (PR Newswire)
Jul-09-26 07:00AM	Castle Biosciences to Release Second Quarter 2026 Financial Results and Host Webcast on Thursday, July 30, 2026 (PR Newswire)
Jul-01-26 05:41PM	SkylineDxs Merlin CP-GEP Granted FDA Breakthrough Device Designation (Exec Edge)
Jun-25-26 04:30PM	DecisionDx-Melanoma's i31-SLNB Outperforms MIA Nomogram in Identifying Patients Who May Safely Forgo Sentinel Lymph Node Biopsy (PR Newswire) +6.07%
Jun-23-26 07:00AM	Castle Biosciences' Chief Financial Officer Frank Stokes Named a 2026 CFO Awards Honoree by the Houston Business Journal (PR Newswire)
Jun-19-26 07:00AM	Castle Biosciences Reports Inducement Grants Under Nasdaq Listing Rule 5635(c)(4) (PR Newswire)
Jun-16-26 07:00AM	Castle Biosciences' TissueCypher Test Surpasses 100,000 Orders, Advancing Precision Risk Assessment for Patients with Barrett's Esophagus (PR Newswire)
May-13-26 07:00AM	Castle Biosciences to Present at the 2026 Jefferies Global Healthcare Conference (PR Newswire)
07:00AM	Loading…
May-12-26 07:00AM	Castle Biosciences' AdvanceAD-Tx Test Receives 2026 MedTech Breakthrough Award for Genomics Innovation (PR Newswire)
May-06-26 08:22PM	Castle Biosciences, Inc. Q1 2026 Earnings Call Summary (Moby) -22.26%
04:05PM	Castle Biosciences Reports First Quarter 2026 Results (PR Newswire)
May-05-26 07:00AM	Castle Biosciences Supports Nationwide Patient Advocacy and Screening Initiatives to Celebrate Skin Cancer Awareness Month (PR Newswire)
May-04-26 07:00AM	New Data at DDW 2026 Show TissueCypher Testing Improves Risk Stratification and Drives Risk-Aligned Management in Barrett's Esophagus (PR Newswire)
Apr-21-26 07:00AM	Castle Biosciences to Present New Data Demonstrating DecisionDx-Melanoma's Ability to Identify Patients with Greater Risk of Recurrence and Poor Outcomes Within Early-Stage Melanoma at EADO and ACMS (PR Newswire)
Apr-15-26 07:00AM	Castle Biosciences to Release First Quarter 2026 Financial Results and Host Webcast on Wednesday, May 6, 2026 (PR Newswire)
Apr-10-26 07:00AM	Castle Biosciences Earns 2026 USA TODAY Top Workplaces Award for Fifth Consecutive Year (PR Newswire)
Mar-27-26 09:05AM	Castle Biosciences' DecisionDx-Melanoma Test Significantly Improves Risk Prediction Within AJCC Stages to Support Personalized, Risk-Aligned Management of Cutaneous Melanoma, Data to Be Presented at AAD 2026 (PR Newswire)
Mar-13-26 11:02AM	Prospective, Multi-center Study Published in Future Oncology Demonstrates DecisionDx-Melanoma's i31-SLNB Result Outperforms Staging Criteria in Identifying Patients with Cutaneous Melanoma Below the 5% NCCN Threshold for Forgoing SLNB (GlobeNewswire)
Mar-09-26 07:00AM	DecisionDx-Melanoma's i31-SLNB: Report from the Largest Prospective Multicenter Study to Date Confirms 2.6% Nodal Positivity in Patients Predicted to Have Less Than 5% Risk (GlobeNewswire)
Mar-04-26 04:30PM	Castle Biosciences to Present Data at SSO 2026 on DecisionDx-Melanoma's i31-SLNB, Identifying T1b-T2a Melanoma Patients Who May Safely Avoid SLNB (GlobeNewswire)
Mar-03-26 04:30PM	Castle Biosciences Announces Grand Opening of New Corporate Headquarters in Friendswood, Texas (GlobeNewswire)
Mar-02-26 11:43AM	LLY Wins CHMP Nod for Olumiant's Expanded Use in Alopecia Areata (Zacks) -5.34%
09:10AM	REGN & SNY's Dupixent Gets CHMP Nod for Pediatric Use in Urticaria (Zacks)
12:46PM	Loading…
Feb-27-26 12:46PM	RCKT's Q4 Loss Narrower Than Estimated, Pipeline in Focus (Zacks) -7.25%
12:35PM	PBYI Q4 Earnings & Sales Beat Estimates, Stock Down on Weak 2026 View (Zacks)
12:08PM	TGTX Q4 Earnings Lag Estimates, Briumvi Sales Drive Top Line (Zacks)
12:06PM	PRGO Q4 Earnings Miss, Sales Beat, Stock Down on Weak 2026 View (Zacks)
11:14AM	Intellia Rises on Q4 Earnings & Revenue Beat, Focuses on Pipeline (Zacks)
09:49AM	Pacira BioSciences Q4 Earnings and Revenues Miss Estimates, Stock Down (Zacks)
09:34AM	Kymera Q4 Loss Wider Than Expected, Cash Boost Extends Runway (Zacks)
08:30AM	Castle Biosciences, Inc. Q4 2025 Earnings Call Summary (Moby)
12:06AM	Castle Biosciences Inc (CSTL) Q4 2025 Earnings Call Highlights: Strong Revenue Growth Amidst ... (GuruFocus.com)
Feb-26-26 06:00PM	Castle Biosciences, Inc. (CSTL) Reports Q4 Loss, Beats Revenue Estimates (Zacks)
05:48PM	Castle Biosciences Q4 Earnings Call Highlights (MarketBeat)
04:05PM	Castle Biosciences Reports Fourth Quarter and Full-Year 2025 Results (GlobeNewswire)
11:44AM	Viatris Q4 EPS Tops, Brands Drive Revenue Growth, Stock Up (Zacks)
11:40AM	Alkermes Down Despite Q4 Earnings Beat, Announces Leadership Change (Zacks)
10:54AM	ADMA Q4 EPS Up 14% Y/Y, Revenues Gain From Strong Asceniv Performance (Zacks)
10:50AM	Mirum's Q4 Earnings Lag, Higher Product Sales Drive Y/Y Revenues (Zacks)
10:40AM	IRWD Q4 Earnings and Revenues Fall Shy of Estimates, Stock Tanks (Zacks)
10:08AM	Catalyst Pharmaceuticals Q4 Earnings Beat, Firdapse Revenues Rise Y/Y (Zacks)
09:52AM	ACAD Q4 Earnings Beat, Nuplazid & Daybue Drive Y/Y Revenue Growth (Zacks)
09:21AM	Amarin's Q4 Earnings Beat Estimates, Stock Down as Revenues Miss (Zacks)
09:02AM	UTHR Tops Q4 Earnings Estimates, Shares Surge 13% on Strong Guidance (Zacks)
Feb-25-26 11:03AM	BEAM's Q4 Loss Narrower Than Expected, Revenues Rise Y/Y (Zacks)
11:01AM	IOVA Beats on Q4 Earnings & Sales, Stock Soars on Pipeline Progress (Zacks)
10:56AM	JAZZ Stock Rises as Q4 Earnings & Sales Top Expectations (Zacks)
10:21AM	RXRX Q4 Loss Narrower Than Expected, Revenues Increase Y/Y, Stock Up (Zacks)
09:12AM	Corcept's Q4 Earnings and Revenues Fall Short of Estimates (Zacks)
09:10AM	Repligen's Q4 Earnings Beat Estimates, Revenues Surge Y/Y (Zacks)
08:55AM	Apellis Q4 Loss Wider Than Expected, Revenues Decline Y/Y (Zacks)
Feb-24-26 12:08PM	AXSM Q4 Loss Wider Than Expected, Revenues Surge Y/Y on Auvelity Sales (Zacks)
Feb-23-26 11:12AM	Amicus' Q4 Earnings Miss, Higher Product Sales Drive Y/Y Revenues (Zacks)
10:47AM	FDA Accepts Roche's NDA Seeking Approval for Breast Cancer Drug (Zacks)
09:06AM	Viatris Stock to Report Q4 Earnings: What's in the Cards? (Zacks)
Feb-20-26 10:20AM	Insmed Lags on Q4 Earnings, Stock Gains on 2026 Brinsupri Sales View (Zacks) -6.80%
09:59AM	Madrigal Q4 Earnings Miss, MASH Drug Sales Drive Top Line, Stock Down (Zacks)
Feb-19-26 05:46PM	Prospective Validation Study in JAAD Demonstrates Castle Biosciences' AdvanceAD-Tx Test Identifies Patients More Likely to Achieve Faster and Deeper Responses with JAK Inhibitor Therapy in Moderate-to-Severe Atopic Dermatitis (GlobeNewswire) -6.92%
11:59AM	BHC Stock Down on Q4 Earnings Miss, Salix Drives Revenue Growth (Zacks)
10:00AM	Castle Biosciences, Inc. (CSTL) Expected to Beat Earnings Estimates: What to Know Ahead of Q4 Release (Zacks)
09:53AM	Collegium Pharmaceutical to Report Q4 Earnings: What's in the Cards? (Zacks)
09:45AM	Indivior Pharmaceuticals to Report Q4 Earnings: What's in the Cards? (Zacks)
07:34AM	ImmunityBio Wins EU Nod for Bladder Cancer Combo Therapy, Stock Up (Zacks)
Feb-18-26 11:31AM	FDA Accepts BMY's NDA for Iberdomide Combo in Multiple Myeloma (Zacks)
11:24AM	Krystal Biotech Q4 Earnings Beat Estimates, Revenues Miss Mark (Zacks)
09:41AM	EU Approves Novo Nordisk's Higher-Dose Wegovy for Obesity Patients (Zacks)
Feb-17-26 10:05AM	Arcutis Biotherapeutics to Report Q4 Earnings: What's in the Cards? (Zacks)
09:48AM	Recursion Pharmaceuticals to Report Q4 Earnings: What's in the Cards? (Zacks)
09:15AM	Oncobiologics, Inc. (OTLK) Reports Q1 Loss, Misses Revenue Estimates (Zacks)
Feb-13-26 12:55PM	SNY Stock Falls After Board Suddenly Makes Leadership Change (Zacks)
11:53AM	VRTX's Q4 Earnings Miss Mark, Revenues Beat on Higher Product Sales (Zacks)
10:33AM	Agios Pharmaceuticals Incurs Narrower-Than-Expected Q4 Loss (Zacks)
10:23AM	Ultragenyx Q4 Loss Wider Than Expected, Revenues Increase Y/Y (Zacks)
10:04AM	CRSP Posts Wider-Than-Expected Loss in Q4, Sales Miss Estimates (Zacks)
Feb-12-26 10:30AM	Zoetis Stock Gains After Q4 Earnings & Revenues Beat Estimates (Zacks)
Feb-11-26 10:45AM	MRNA Down Nearly 10% as FDA Refuses to Review Influenza Vaccine BLA (Zacks)
Feb-10-26 10:45AM	Vertex Gears Up to Report Q4 Earnings: Is a Beat in the Cards? (Zacks)
10:43AM	SNY's Rare Disease Drug Wins FDA Breakthrough and Japan Orphan Status (Zacks)
Feb-09-26 11:42AM	IMVT Posts Narrower-Than-Expected Q3 Loss, Pipeline in Focus (Zacks)
10:22AM	Zoetis Gears Up to Report Q4 Earnings: Here's What to Expect (Zacks)
09:35AM	Castle Biosciences (CSTL) Loses 16.8% in 4 Weeks, Here's Why a Trend Reversal May be Around the Corner (Zacks)
07:51AM	Moderna to Report Q4 Earnings: Is a Beat in Store for the Stock? (Zacks)
Feb-06-26 11:45AM	GSK Gets EU Approval for Expanded Use of Nucala in COPD (Zacks)
11:31AM	KOD Stock Up 24% in 3 Months: Here's What You Need to Know (Zacks)
Feb-05-26 11:42AM	Verastem Stock Rises Nearly 8% on Strong Q4 & 2025 Preliminary Results (Zacks) -7.32%
09:29AM	Neurocrine Biosciences to Report Q4 Earnings: What's in the Cards? (Zacks)
08:31AM	AstraZeneca to Report Q4 Earnings: What's in Store for the Stock? (Zacks)
07:00AM	Castle Biosciences to Release Fourth Quarter and Full-Year 2025 Financial Results and Host Conference Call on Thursday, Feb. 26, 2026 (GlobeNewswire)
Feb-04-26 10:11AM	FDA Rejects AZN's Saphnelo SubQ Formulation, Priority Tag to Datroway (Zacks) -10.22%
Feb-03-26 05:20PM	AIGH Capital Dumps 2.6 Million Lumen Technologies Shares In $15.6 Million Exit (Motley Fool)
11:59AM	Sanofi's Venglustat Meets Primary Endpoints in Gaucher Disease Study (Zacks)
11:36AM	MRK Q4 Earnings & Sales Beat Estimates, Stock Down on Weak '26 View (Zacks)
08:30AM	CRSP to Report Q4 Earnings: Is a Beat in Store for the Stock? (Zacks)

Castle Biosciences, Inc. is a molecular diagnostics company, which offers innovative test solutions to aid clinicians in the diagnosis and treatment of dermatologic cancers, barrett's esophagus, uveal melanoma, and in the treatment of mental health conditions. The firm offers DecisionDx-Melanoma, a proprietary multi-gene expression profile (GEP) test that predicts the risk of metastasis and recurrence for patients diagnosed with invasive cutaneous melanoma. It also markets DecisionDx-UM, Decision Dx DiffDx-Melanoma, DecisonDx-CMSeq, DecisionDx-SCC, DecsionDx-UMSeq, and DecisonDX-PRAME. The company was founded by Derek J. Maetzold in September 2007 and is headquartered in Friendswood, TX.

FounderMr. Derek J. Maetzold

CFO & TreasurerMr. Frank Stokes

Chief Operating OfficerMs. Kristen M. Oelschlager R.N.

Chief Commercial OfficerMr. Tobin W. Juvenal

Vice President of Investor Relations & Corporate AffairsMs. Camilla Zuckero

Insider Trading	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
Kristen M. Oelschlager	Officer	Aug 24 '26	Proposed Sale	34.20	24,602	841,388		Aug 24 04:47 PM
Juvenal Tobin W	Chief Commercial Officer	Aug 17 '26	Sale	29.59	1,730	51,191	75,964	Aug 19 04:11 PM
Stokes Frank	Chief Financial Officer	Aug 14 '26	Sale	29.77	24,908	741,511	35,177	Aug 18 04:10 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Aug 14 '26	Option Exercise	2.39	1,100	2,629	22,579	Aug 18 04:09 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Aug 14 '26	Sale	30.02	6,132	184,083	11,534	Aug 18 04:09 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Aug 14 '26	Sale	30.02	1,100	33,022	21,479	Aug 18 04:09 PM
FRANKLIN M. STOKES	Officer	Aug 14 '26	Proposed Sale	29.77	24,908	741,494		Aug 14 06:50 PM
Derek Maetzold	Officer	Aug 14 '26	Proposed Sale	29.62	25,792	763,959		Aug 14 05:38 PM
Juvenal Tobin W	Chief Commercial Officer	Nov 24 '25	Sale	38.39	1,301	49,945	77,694	Aug 06 04:14 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Aug 04 '26	Option Exercise	2.39	20,356	48,651	41,835	Aug 06 04:14 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Aug 05 '26	Option Exercise	2.39	2,546	6,085	24,025	Aug 06 04:14 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Aug 04 '26	Sale	31.11	20,356	633,261	21,479	Aug 06 04:14 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Aug 04 '26	Sale	31.11	15,085	469,284	20,080	Aug 06 04:14 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Aug 05 '26	Sale	30.68	2,546	78,114	21,479	Aug 06 04:14 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Aug 05 '26	Sale	30.68	1,029	31,571	19,607	Aug 06 04:14 PM
Oelschlager Kristen M	Chief Operating Officer	Aug 03 '26	Sale	29.77	8,586	255,622	13,288	Aug 05 04:18 PM
Juvenal Tobin W	Chief Commercial Officer	Jul 31 '26	Sale	29.31	17,310	507,302	80,725	Aug 04 04:36 PM
Juvenal Tobin W	Chief Commercial Officer	Aug 03 '26	Sale	28.25	1,730	48,872	78,995	Aug 04 04:36 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Aug 03 '26	Option Exercise	2.39	10,664	25,487	32,143	Aug 04 04:35 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Jul 31 '26	Option Exercise	2.39	6,480	15,487	27,959	Aug 04 04:35 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Aug 03 '26	Sale	30.35	10,664	323,684	21,479	Aug 04 04:35 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Aug 03 '26	Sale	30.35	7,829	237,634	27,009	Aug 04 04:35 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Jul 31 '26	Sale	30.15	6,480	195,385	21,479	Aug 04 04:35 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Jul 31 '26	Sale	30.15	3,673	110,748	30,606	Aug 04 04:35 PM
Tobin Juvenal	Chief Commercial Officer	Jul 31 '26	Proposed Sale	28.00	22,500	630,000		Jul 31 04:52 PM
Derek Maetzold	Officer	Jul 31 '26	Proposed Sale	28.00	67,662	1,894,536		Jul 31 04:52 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Jul 27 '26	Option Exercise	2.39	6,214	14,851	27,693	Jul 29 04:09 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Jul 27 '26	Sale	24.16	6,214	150,160	21,479	Jul 29 04:09 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Jul 27 '26	Sale	24.16	3,622	87,523	11,812	Jul 29 04:09 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Jul 14 '26	Option Exercise	2.39	550	1,314	22,029	Jul 16 04:16 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Jul 14 '26	Sale	22.92	3,622	83,016	12,090	Jul 16 04:16 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Jul 14 '26	Sale	22.92	550	12,606	21,479	Jul 16 04:16 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Jul 01 '26	Option Exercise	2.39	6,214	14,851	27,693	Jul 06 04:25 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Jul 01 '26	Sale	24.29	6,214	150,938	21,479	Jul 06 04:25 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Jul 01 '26	Sale	24.29	3,622	87,978	12,368	Jul 06 04:25 PM
Oelschlager Kristen M	Chief Operating Officer	Jul 01 '26	Sale	24.42	8,586	209,650	21,874	Jul 06 04:24 PM
Derek Maetzold	Officer	Jul 01 '26	Proposed Sale	24.71	23,844	589,185		Jul 01 05:35 PM
Oelschlager Kristen M	Chief Operating Officer	Jun 16 '26	Sale	20.71	8,587	177,837	30,460	Jun 18 04:19 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Jun 15 '26	Option Exercise	2.39	550	1,314	22,029	Jun 17 05:39 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Jun 15 '26	Sale	20.66	3,622	74,831	12,646	Jun 17 05:39 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Jun 15 '26	Sale	20.66	550	11,363	21,479	Jun 17 05:39 PM
KRISTEN OELSCHLAGER	Officer	Jun 16 '26	Proposed Sale	20.66	29,911	617,961		Jun 16 04:35 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Jun 01 '26	Option Exercise	2.39	6,214	14,851	27,693	Jun 03 04:15 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Jun 01 '26	Sale	20.86	6,214	129,605	21,479	Jun 03 04:15 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Jun 01 '26	Sale	20.86	3,622	75,544	1,668	Jun 03 04:15 PM
Derek Maetzold	Officer	Jun 01 '26	Proposed Sale	20.97	14,008	293,748		Jun 01 05:39 PM
Juvenal Tobin W	Chief Commercial Officer	May 21 '26	Option Exercise	3.38	11,210	37,890	98,035	May 26 04:06 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	May 21 '26	Option Exercise	2.39	420	1,004	21,899	May 22 04:12 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	May 20 '26	Option Exercise	2.39	130	311	21,609	May 22 04:12 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	May 21 '26	Sale	20.20	2,763	55,802	1,946	May 22 04:12 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	May 20 '26	Sale	20.00	859	17,182	2,158	May 22 04:12 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	May 21 '26	Sale	20.20	420	8,482	21,479	May 22 04:12 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	May 20 '26	Sale	20.00	130	2,600	21,479	May 22 04:12 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	May 07 '26	Option Exercise	2.39	6,214	14,851	27,693	May 11 04:06 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	May 07 '26	Sale	22.15	6,214	137,663	21,479	May 11 04:06 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	May 07 '26	Sale	22.15	3,622	80,241	2,224	May 11 04:06 PM
Derek Maetzold	Officer	May 07 '26	Proposed Sale	19.24	14,008	269,514		May 07 04:56 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Apr 21 '26	Option Exercise	2.39	550	1,314	22,029	Apr 23 04:16 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Apr 21 '26	Sale	25.10	3,622	90,905	2,502	Apr 23 04:16 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Apr 21 '26	Sale	25.10	550	13,804	21,479	Apr 23 04:16 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Apr 06 '26	Option Exercise	2.39	6,214	14,851	27,693	Apr 08 04:34 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Apr 06 '26	Sale	25.03	6,214	155,536	21,479	Apr 08 04:34 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Apr 06 '26	Sale	25.03	3,622	90,659	2,780	Apr 08 04:34 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Mar 26 '26	Option Exercise	2.39	550	1,314	22,029	Mar 30 06:29 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Mar 26 '26	Sale	25.55	3,622	92,546	3,058	Mar 30 06:29 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Mar 26 '26	Sale	25.55	550	14,053	21,479	Mar 30 06:29 PM
Derek Maetzold	Officer	Mar 26 '26	Proposed Sale	24.70	18,180	449,046		Mar 26 05:36 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Mar 17 '26	Sale	25.93	18,650	483,594	22,129	Mar 19 04:21 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Mar 18 '26	Sale	25.39	650	16,504	21,479	Mar 19 04:21 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Mar 16 '26	Sale	25.97	17,575	456,408	40,779	Mar 17 04:36 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Mar 13 '26	Sale	25.45	13,204	336,002	58,354	Mar 17 04:36 PM
Juvenal Tobin W	Chief Commercial Officer	Mar 12 '26	Sale	25.24	20,863	526,582	86,825	Mar 16 04:07 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Mar 11 '26	Option Exercise	2.39	6,226	14,880	112,047	Mar 13 04:10 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Mar 12 '26	Sale	25.28	23,179	585,942	71,558	Mar 13 04:10 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Mar 11 '26	Sale	26.11	17,310	451,947	94,737	Mar 13 04:10 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Mar 11 '26	Sale	26.11	3,636	94,932	3,336	Mar 13 04:10 PM
Tobin Juvenal	Chief Commercial Officer	Mar 12 '26	Proposed Sale	25.32	20,863	528,251		Mar 12 04:38 PM
Derek Maetzold	Officer	Mar 11 '26	Proposed Sale	26.13	94,204	2,461,551		Mar 11 04:52 PM
Stokes Frank	Chief Financial Officer	Mar 05 '26	Sale	27.98	6,001	167,908	60,085	Mar 09 04:13 PM
Cole G Bradley	Director	Mar 05 '26	Option Exercise	3.38	4,748	16,048	26,712	Mar 09 04:12 PM
Cole G Bradley	Director	Mar 05 '26	Sale	28.47	7,403	210,727	19,309	Mar 09 04:12 PM
Stokes Frank	Chief Financial Officer	Mar 04 '26	Option Exercise	3.38	3,800	12,844	66,086	Mar 05 05:08 PM
Stokes Frank	Chief Financial Officer	Mar 03 '26	Sale	27.44	7,000	192,073	52,483	Mar 05 05:08 PM
FRANKLIN STOKES	Officer	Mar 05 '26	Proposed Sale	28.17	6,001	169,048		Mar 05 04:28 PM
GORDON B. COLE	Director	Mar 05 '26	Proposed Sale	28.47	7,403	210,743		Mar 05 04:04 PM
FRANKLIN STOKES	Officer	Mar 03 '26	Proposed Sale	27.99	7,000	195,930		Mar 03 04:33 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Feb 03 '26	Sale	39.91	3,200	127,722	84,515	Feb 05 04:17 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Feb 04 '26	Sale	37.99	817	31,035	83,698	Feb 05 04:17 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Jan 20 '26	Sale	40.01	4,017	160,732	87,715	Jan 22 04:15 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Jan 05 '26	Sale	38.09	2,678	102,005	30,852	Jan 07 04:06 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Jan 06 '26	Sale	40.10	1,339	53,689	29,513	Jan 07 04:06 PM
Derek Maetzold	Officer	Jan 05 '26	Proposed Sale	39.00	12,051	469,989		Jan 05 05:09 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Dec 22 '25	Sale	40.35	830	33,490	33,530	Dec 29 04:07 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Dec 17 '25	Sale	40.04	509	20,380	34,360	Dec 19 04:06 PM
Oelschlager Kristen M	Chief Operating Officer	Dec 17 '25	Sale	39.31	14,888	585,292	12,323	Dec 19 04:06 PM
Kristen M. Oelschlager	Officer	Dec 17 '25	Proposed Sale	39.05	14,888	581,376		Dec 17 04:49 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Dec 15 '25	Sale	38.78	19,525	757,099	47,690	Dec 17 04:20 PM
MAETZOLD DEREK J	Pres. & Chief Exec. Officer	Dec 16 '25	Sale	38.55	12,821	494,301	34,869	Dec 17 04:20 PM
Derek Maetzold	Officer	Dec 15 '25	Proposed Sale	38.88	33,685	1,309,673		Dec 15 06:21 PM
Juvenal Tobin W	Chief Commercial Officer	Dec 11 '25	Sale	37.48	13,200	494,736	86,825	Dec 15 04:09 PM

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Castle Biosciences Inc

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