St Leger Tina Amber 4

4 · Immunocore Holdings plc · Filed Feb 19, 2026

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Updated Feb 19, 2026

Immunocore (IMCR) CHRO Tina St Leger Sells 1,000 Shares

What Happened

Tina Amber St Leger, Chief HR Officer at Immunocore Holdings plc (IMCR), had 2,119 restricted stock units (RSUs) vest on Feb 17, 2026. Those RSUs converted into 2,119 ordinary shares at no cash cost. She sold 1,000 of those shares in an open-market sell-to-cover transaction on Feb 18, 2026 for a weighted-average price of $32.35, generating $32,350. The filing also shows a derivative-related disposition associated with the vesting (see footnotes).

Key Details

Transaction dates and prices:
- 2026-02-17: 2,119 RSUs vested and converted to 2,119 ordinary shares (reported as exercise/conversion at $0.00).
- 2026-02-18: 1,000 shares sold in the open market at a weighted avg price of $32.35 (prices ranged $32.17–$32.70).
Purpose: The sale was a sell-to-cover to satisfy income tax withholding on RSU vesting (footnote F2).
Remaining RSUs: The original grant was 8,476 RSUs (granted 2/17/2025) vesting in four equal annual installments; after this vesting 6,357 RSUs remain unvested (8,476 − 2,119).
Shares owned after transaction: Not specified in the provided filing excerpt.
Filing timeliness: Form 4 was filed on Feb 19, 2026 for transactions on Feb 17–18, 2026 (filed within the usual Form 4 reporting window).
Footnotes of note:
- F1: Ordinary shares may be represented by ADSs (1 ADS = 1 Ordinary Share).
- F2: Sell-to-cover arrangement to satisfy taxes.
- F3: Reported sale price is a weighted average; per-share prices in the range are available on request.
- F4/F5: Each RSU equals one ordinary share; the grant and vesting schedule are described.

Context

These transactions are compensation-related: RSUs vested and were converted to shares, and a portion was sold to cover tax obligations. This is a routine, non-speculative insider sale tied to vesting rather than an opportunistic market sale. The M-code/“exercise or conversion” here reflects conversion of vested RSUs into underlying shares.

Form 4

Period: 2026-02-17

CHIEF HR OFFICER

Transactions

Exercise/Conversion
Ordinary Shares
[F1]
2026-02-17+2,119→ 2,119 total
Sale
Ordinary Shares
[F1][F2][F3]
2026-02-18$32.35/sh−1,000$32,350→ 1,119 total
Exercise/Conversion
Restricted Share Units
[F4][F5][F1]
2026-02-17−2,119→ 6,357 total
→ Ordinary Shares (2,119 underlying)

Footnotes (5)

[F1]Ordinary Shares may be represented by American Depositary Shares. Each American Depositary Share represents one Ordinary Share.
[F2]The shares were sold pursuant to a sell-to-cover arrangement for the purpose of satisfying income tax liabilities incurred upon vesting of restricted stock units ("RSUs").
[F3]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.17 to $32.70 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
[F4]Each RSU represents a contingent right to receive one Ordinary Share.
[F5]On February 17, 2025, the Reporting Person was granted 8,476 RSUs, vesting in four equal annual installments beginning February 17, 2026, subject to the Reporting Person's continuous service through each such vesting date.

Signature

/s/ Lily Hepworth, Attorney-in-Fact|2026-02-19

1 file