ZANGANEH MAHKAM

PrivateCIK: 1507650
Location

ATHERTON, CA

ZANGANEH MAHKAM purchased 0.4% of their position (100K shares) of SUMMIT THERAPEUTICS INC. on the open market

Open‑market purchase worth $1.46M — a small addition. The strongest form of insider conviction signal.

P · 1 purchase
InsiderZANGANEH MAHKAMCIK 1507650
IssuerSUMMIT THERAPEUTICS INC.CIK 1599298
Director
Since Nov 2020
+100K
Net shares
Net buyer
$1.46M
Total acquired
1
Open market trades
1B · 0S
1
Total transactions
100K acquired
Non-Derivative Transactions1

Common Stock

Indirect
P · Purchase

Shares

+100K

Price / share

$14.60

Trade value

$1.46M

% of position

0.4%
6/4/2026
25.72M25.82M
Total

Net shares

+100K

Net value

$1.46M

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)4

Common Stock

Indirect
Shares owned76.68K

Common Stock

Indirect
Shares owned10.20M

Common Stock

Direct
Shares owned31K

Common Stock

Indirect
Shares owned570.07M
Total
31K direct·580.35M indirect580.38M
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
ZANGANEH MAHKAM — Insider Transaction (Form 4) Filed Jun 4, 2026 | Finecho