Theresa Margaret Ms Bruce - 15 Apr 2026 Form 4 Insider Report for NuCana plc (NCNA)

Reporting relationship: Chief Operating Officer
Issuer ticker: NCNA
Reported as of: 15 Apr 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 16 Apr 2026, 16:42:34 UTC
Prior SEC filing: 18 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Ian Webster, Attorney-in-Fact for Theresa Bruce

Key filing fact

Theresa Margaret Ms Bruce filed Form 4 for NuCana plc (NCNA) on 16 Apr 2026.

Key facts

This page summarizes Theresa Margaret Ms Bruce's Form 4 filing for NuCana plc (NCNA).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 16 Apr 2026, 16:42.

Change

Previous filing in this sequence was filed on 18 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002117971 Primary reporting owner

Bruce Theresa Margaret Ms

Relationship: Chief Operating Officer
Address: C/O NUCANA PLC, 3 LOCHSIDE WAY, EDINBURGH, UNITED KINGDOM
Signature: /s/ Ian Webster, Attorney-in-Fact for Theresa Bruce
Signature date: 16 Apr 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

NCNA transaction Derivative

Options

Award

Transaction value
Shares: +132,600,130
Change %
Price: $0.000000^*
Shares after: 132,600,130
Date: 15 Apr 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 132,600,130
Exercise price
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

The ordinary shares, nominal value 0.0004 Pounds Sterling per share (the "Ordinary Shares"), of NuCana plc (the "Company") underlying this option have an exercise price of 0.0004 Pounds Sterling.

Footnote F2

The shares underlying this option vested as to 50% on April 15, 2026, with the remainder to vest in four equal annual installments thereafter, subject to the Reporting Person's continued service with the Company through the applicable vesting date.