Zanganeh Mahkam

Co-Chief Executive Officer

Zanganeh Mahkam has filed 4 SEC Form 4 filings (7 transaction rows) across 1 company, with disclosures dating back to 2025. 3 of those filings fall inside the rolling window. Most recent filing: Jun 12, 2026.

On the most recent filing, Zanganeh Mahkam is listed as Co-Chief Executive Officer at Summit Therapeutics Inc. Inside the rolling window, Zanganeh Mahkam reported 3 open-market purchases totaling $51.9M in SMMT and no open-market sales. The largest disclosed transaction in the window is a purchase of 3,810,000 SMMT shares on Jun 12, 2026, worth $50.0M.

Companies traded

Other insiders at SMMT

Insider Buying

$51.9M

reported purchases (SEC code P)

Insider Selling

$0

reported sales (SEC code S)

Companies

1

in the rolling window

Source
SMMTPurchase$50.0MJun 12SEC ↗
SMMTPurchase$1.5MJun 4SEC ↗
SMMTPurchase$500KOct 23SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has Zanganeh Mahkam made?

Zanganeh Mahkam has filed 4 SEC Form 4 filings (7 transaction rows) across 1 company since 2025.

Which companies does Zanganeh Mahkam trade?

Zanganeh Mahkam has filed SEC Form 4 disclosures for 1 company, including SMMT.

When was Zanganeh Mahkam's most recent SEC Form 4 filing?

Zanganeh Mahkam's most recent SEC Form 4 filing on Tracefour is dated Jun 12, 2026.

What is Zanganeh Mahkam's job title?

On the most recent SEC Form 4 filings tracked by Tracefour, Zanganeh Mahkam is listed as Co-Chief Executive Officer.

What is Zanganeh Mahkam's total buy and sell value in the current window?

Inside the rolling retention window, Zanganeh Mahkam bought $51.9M and sold $0 based on SEC Form 4 filings.

What was Zanganeh Mahkam's largest disclosed transaction?

The largest disclosed transaction in the current window is a purchase of 3,810,000 SMMT shares on 2026-06-12, worth $50.0M, per SEC Form 4 filings.