Stein Jeffrey

SEC Form 4 insider trading activity

Stein Jeffrey has filed 5 SEC Form 4 filings (24 transaction rows) across 2 companies, including IDYA, CDTX, with disclosures dating back to 2025. 5 of those filings fall inside the rolling window. Most recent filing: Mar 2, 2026.

On the most recent filing, Stein Jeffrey is listed as Director at IDEAYA Biosciences, Inc. Inside the rolling window, Stein Jeffrey reported 5 open-market purchases totaling $2.0M in IDYA and CDTX and no open-market sales. The largest disclosed transaction in the window is a purchase of 50,000 IDYA shares on Mar 2, 2026, worth $1.6M.

Companies traded

Other insiders at IDYA

Insider Buying

$2.0M

reported purchases (SEC code P)

Insider Selling

$0

reported sales (SEC code S)

Companies

2

in the rolling window

Source
IDYAPurchase$1.6MMar 2SEC ↗
CDTXPurchase$100KJan 7SEC ↗
CDTXPurchase$89KJan 7SEC ↗
CDTXPurchase$50KJan 7SEC ↗
CDTXPurchase$100KJan 7SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has Stein Jeffrey made?

Stein Jeffrey has filed 5 SEC Form 4 filings (24 transaction rows) across 2 companies, including IDYA, CDTX since 2025.

Which companies does Stein Jeffrey trade?

Stein Jeffrey has filed SEC Form 4 disclosures for 2 companies, including IDYA, CDTX.

When was Stein Jeffrey's most recent SEC Form 4 filing?

Stein Jeffrey's most recent SEC Form 4 filing on Tracefour is dated Mar 2, 2026.

What is Stein Jeffrey's total buy and sell value in the current window?

Inside the rolling retention window, Stein Jeffrey bought $2.0M and sold $0 based on SEC Form 4 filings.

What was Stein Jeffrey's largest disclosed transaction?

The largest disclosed transaction in the current window is a purchase of 50,000 IDYA shares on 2026-03-02, worth $1.6M, per SEC Form 4 filings.