Mereo BioPharma Group plc (MREO) Insider Ownership

Historic Insider Ownership Trends

As of April 17, 2026, the three largest insider holders of MREO are Charles Sermon (General Counsel, 219.06K shares), Christine Ann Fox (Chief Financial Officer, 89.28K shares), John A. Lewicki (Chief Scientific Officer, 78.63K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Charles Sermon General Counsel 219,061 0 16 Sep, 2024
Christine Ann Fox Chief Financial Officer 89,285 0 16 Sep, 2024
John A. Lewicki Chief Scientific Officer 78,630 0 16 Sep, 2024
Alexandra Hughes-Wilson - 50,475 0 16 Sep, 2024
Michael S Wyzga - 25,050 0 17 Jun, 2024
Jeremy Bender - 0 12,550 17 Jun, 2024

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
26 Feb, 2026 Anders Ekblom Share Options (Right to buy) A 66,000 $0.00 66,000 D A
26 Feb, 2026 Daniel Shames Share Options (Right to buy) A 66,000 $0.00 66,000 D A
26 Feb, 2026 Michael S Wyzga Share Options (Right to buy) A 66,000 $0.00 66,000 D A
26 Feb, 2026 Annalisa Jenkins Share Options (Right to buy) A 66,000 $0.00 66,000 D A
26 Feb, 2026 Marc J Yoskowitz Share Options (Right to buy) A 66,000 $0.00 66,000 D A
26 Feb, 2026 Pierre Jacquet Share Options (Right to buy) A 66,000 $0.00 66,000 D A
26 Feb, 2026 Jeremy Bender Share Options (Right to buy) A 66,000 $0.00 66,000 D A
26 Feb, 2026 Pierre Jacquet Deferred Restricted Stock Units A 106,848 - 106,848 D A
26 Feb, 2026 Daniel Shames Deferred Restricted Stock Units A 96,163 - 96,163 D A
26 Feb, 2026 Annalisa Jenkins Deferred Restricted Stock Units A 106,848 - 106,848 D A
26 Feb, 2026 Jeremy Bender Deferred Restricted Stock Units A 117,533 - 117,533 D A
26 Feb, 2026 Anders Ekblom Deferred Restricted Stock Units A 133,560 - 133,560 D A
26 Feb, 2026 Marc J Yoskowitz Deferred Restricted Stock Units A 96,163 - 96,163 D A
01 Feb, 2026 Christine Ann Fox Share Options (Right to buy) A 315,750 $0.00 315,750 D A
01 Feb, 2026 Charles Sermon Share Options (Right to buy) A 315,750 $0.00 315,750 D A
01 Feb, 2026 John A. Lewicki Share Options (Right to buy) A 139,913 $0.00 139,913 D A
01 Feb, 2026 Alexandra Hughes-Wilson Share Options (Right to buy) A 183,750 $0.00 183,750 D A
01 Feb, 2026 Alexandra Hughes-Wilson Share Options (Right to buy) A 61,250 $0.00 61,250 D A
01 Feb, 2026 Charles Sermon Share Options (Right to buy) A 105,250 $0.00 105,250 D A
01 Feb, 2026 Christine Ann Fox Share Options (Right to buy) A 105,250 $0.00 105,250 D A