Juvenal Tobin W
Chief Commercial Officer
Juvenal Tobin W has filed 19 SEC Form 4 filings (35 transaction rows) across 1 company, with disclosures dating back to 2025. 19 of those filings fall inside the rolling window. Most recent filing: Oct 30, 2026.
On the most recent filing, Juvenal Tobin W is listed as Chief Commercial Officer at CASTLE BIOSCIENCES INC. Inside the rolling window, Juvenal Tobin W reported no open-market purchases and 18 open-market sales totaling $3.2M in CSTL. The largest disclosed transaction in the window is a sale of 20,863 CSTL shares on Mar 12, 2026, worth $527K.
Companies traded
Other insiders at CSTL
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$3.2M
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| CSTL | Chief Commercial Officer | Sale | 6,578 | $240K | Oct 30 | SEC ↗ | |
| CSTL | Chief Commercial Officer | Sale | 3,288 | $109K | Oct 28 | SEC ↗ | |
| CSTL | Chief Commercial Officer | Sale | 3,288 | $111K | Oct 14 | SEC ↗ | |
| CSTL | Chief Commercial Officer | Sale | 5,543 | $197K | Oct 1 | SEC ↗ | |
| CSTL | Chief Commercial Officer | Sale | 1,034 | $35K | Oct 1 | SEC ↗ | |
| CSTL | Chief Commercial Officer | Sale | 3,306 | $107K | Sep 16 | SEC ↗ | |
| CSTL | Chief Commercial Officer | Sale | 3,294 | $116K | Sep 16 | SEC ↗ | |
| CSTL | Chief Commercial Officer | Sale | 1,730 | $57K | Sep 2 | SEC ↗ | |
| CSTL | Chief Commercial Officer | Sale | 9,050 | $317K | Aug 27 | SEC ↗ | |
| CSTL | Chief Commercial Officer | Sale | 1,730 | $51K | Aug 19 | SEC ↗ | |
| CSTL | Chief Commercial Officer | Sale | 1,301 | $50K | Aug 6 | SEC ↗ | |
| CSTL | Chief Commercial Officer | Sale | 17,310 | $507K | Aug 4 | SEC ↗ | |
| CSTL | Chief Commercial Officer | Sale | 1,730 | $49K | Aug 4 | SEC ↗ | |
| CSTL | Chief Commercial Officer | Sale | 20,863 | $527K | Mar 16 | SEC ↗ | |
| CSTL | Chief Commercial Officer | Sale | 13,200 | $495K | Dec 15 | SEC ↗ | |
| CSTL | Chief Commercial Officer | Sale | 4,693 | $167K | Nov 24 | SEC ↗ | |
| CSTL | Chief Commercial Officer | Sale | 500 | $18K | Nov 14 | SEC ↗ | |
| CSTL | Chief Commercial Officer | Sale | 200 | $7K | Nov 14 | SEC ↗ |
Frequently asked questions
How many SEC Form 4 filings has Juvenal Tobin W made?
Juvenal Tobin W has filed 19 SEC Form 4 filings (35 transaction rows) across 1 company since 2025.
Which companies does Juvenal Tobin W trade?
Juvenal Tobin W has filed SEC Form 4 disclosures for 1 company, including CSTL.
When was Juvenal Tobin W's most recent SEC Form 4 filing?
Juvenal Tobin W's most recent SEC Form 4 filing on Tracefour is dated Oct 30, 2026.
What is Juvenal Tobin W's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Juvenal Tobin W is listed as Chief Commercial Officer.
What is Juvenal Tobin W's total buy and sell value in the current window?
Inside the rolling retention window, Juvenal Tobin W bought $0 and sold $3.2M based on SEC Form 4 filings.
What was Juvenal Tobin W's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 20,863 CSTL shares on 2026-03-12, worth $527K, per SEC Form 4 filings.