InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (11 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
11
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Discover the full record of transactions filed by Juvenal Tobin W, Directeur Commercial. Director active across 1 company, notably Castle Biosciences INC. Aggregated, 31 filings have been recorded. Breakdown: 0 buy · 11 sells. Total volume traded: €1.8m. Activity tracked since 17 June 2021. The latest transaction was disclosed on 25 August 2026 (Cession). Regulator: SEC (Form 4). All data is openly available.
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Declarations31 total
9,050 shares@ US$35.04Common StockSEC:0001628280-26-059272:0
1,730 shares@ US$29.590.0056% mcap2.6% of flowCommon StockSEC:0001628280-26-057949:0
1,301 shares@ US$38.392.6% of flowCommon StockSEC:0001628280-26-054338:0
8,149 shares@ US$28.8420.028% mcap12.6% of flowCommon StockSEC:0001628280-26-052648:0
7,270 shares@ US$29.5790.025% mcap11.5% of flowCommon StockSEC:0001628280-26-052648:1
1,891 shares@ US$30.2640.0067% mcap3.1% of flowCommon StockSEC:0001628280-26-052648:2
1,730 shares@ US$28.250.0057% mcap2.6% of flowCommon StockSEC:0001628280-26-052648:3
11,210 shares@ US$3.380.0042% mcap21.0% of flowCommon StockSEC:0001628280-26-038072:0
20,863 shares@ US$25.2475.9% of flowCommon StockSEC:0001628280-26-018156:0
3,716 shares@ US$27.577.7% of flowCommon StockSEC:0001628280-26-015355:0
9,207 shares0Common StockSEC:0001856542-26-000002:0
13,200 shares@ US$37.4840.1% of flowCommon StockSEC:0001628280-25-057016:0
15,961 sharesCommon StockSEC:0001628280-25-056625:0
4,693 shares@ US$3.382.2% of flowCommon StockSEC:0001628280-25-053812:0
500 shares@ US$3.380.2% of flowCommon StockSEC:0001628280-25-052350:0
500 shares@ US$35.392.5% of flowCommon StockSEC:0001628280-25-052019:0
10,640 shares0Common StockSEC:0001856542-25-000003:0
13,811 sharesCommon StockSEC:0001447362-25-000036:0
2,230 shares@ US$30.0041.9% of flowCommon StockSEC:0001447362-25-000004:0
15,961 sharesCommon StockSEC:0001447362-24-000200:0
3,507 shares@ US$3.387.0% of flowCommon StockSEC:0001447362-24-000178:0
1,100 shares@ US$3.382.2% of flowCommon StockSEC:0001447362-24-000173:0
10,641 shares0Common StockSEC:0001447362-24-000132:0
3,301 shares@ US$2.394.6% of flowCommon StockSEC:0001447362-24-000004:0
15,961 sharesCommon StockSEC:0001447362-23-000175:0
25 of 31 declarations
About Juvenal Tobin W
Juvenal Tobin W is Director of Commercial and Chief Commercial Officer at Castle Biosciences INC (XNAS). He has 24 filings in total, and across the sampled recent filings, sales total EUR 959218 between 2021-06-21 and 2026-05-26, with the modal transaction nature listed as option exercise.
