SEC ownership of Mural Oncology plc

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001971543.

Comparable stake leader

ACORN BIOVENTURES, L.P.

Disclosed value leader

ACORN BIOVENTURES, L.P.

Comparable rows

2/14

Latest evidence

05 Dec 2025

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
2 of 14
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
ACORN BIOVENTURES, L.P.
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
05 Dec 2025
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001971543
Issuer location
Dublin 2, Ireland

Ownership snapshot

Top shareholders of Mural Oncology plc (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
ACORN BIOVENTURES, L.P.
Disclosed value leader
ACORN BIOVENTURES, L.P.
Comparable rows
2/14
Latest evidence
05 Dec 2025
13D/G 3/4/5 Lead comparable stake: 7.6% 12 rows are not safely comparable across share classes. 13D/G row: ACORN BIOVENTURES, L.P. Showing 1-8 of 14 holder rows.

Quick read

ACORN BIOVENTURES, L.P. leads the comparable SEC ownership view at 7.6%.

2 of 14 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens ACORN BIOVENTURES, L.P.'s linked filing trail.
Comparable ownership Top 2
ACORN BIOVENTURES, L.P. 7.6%
Stuart Feldman 4.4%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 14 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
ACORN BIOVENTURES, L.P.
13D/G
Anders Hove
7.6%
$3,369,527
1,286,079 shares
+$547,205 31 Dec 2024
Stuart Feldman
13D/G
4.4%
$2,005,872
765,600 shares
$0 16 Apr 2025
Trium Capital LLP
3/4/5
10%+ Owner
class O/S missing
1,760,097 shares
22 Aug 2025
Cafico Trust Co Ltd
3/4/5
10%+ Owner
mixed-class rows
25,003 shares
mixed-class rows
31 Oct 2023
Caroline Loew
3/4/5
Chief Executive Officer, Director
$449,654
05 Dec 2025
Adam D. Cutler
3/4/5
Chief Financial Officer
$217,750
-$14,939 05 Dec 2025
Maiken Keson-Brookes
3/4/5
Chief Legal Officer
$217,750
05 Dec 2025
Vicki L. Goodman
3/4/5
Chief Medical Officer
$217,750
-$10,475 05 Dec 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$25,414.

Buys
$0
Insiders: 0
Sells
$25,414
Insiders: 2
Net
-$25,414
Shares: -12,184
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 12,184
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 12,184 $0 $25,414 -$25,414

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-12 of 12 reporting-owner rows connected to Mural Oncology plc. Open a relationship link for the CIK-to-CIK filing trail.

Rows
12
Largest Forms 3/4/5 holder
Caroline Loew
Net 12M change
-$25,414
Latest report
05 Dec 2025
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Caroline Loew Chief Executive Officer, Director $449,654 Mixed 05 Dec 2025
Vicki L. Goodman Chief Medical Officer $217,750 -$10,475 -4.6% Mixed 05 Dec 2025
Maiken Keson-Brookes Chief Legal Officer $217,750 Mixed 05 Dec 2025
Adam D. Cutler Chief Financial Officer $217,750 -$14,939 -6.4% Mixed 05 Dec 2025
Susan Altschuller Director $60,419 Mixed 14 Aug 2024
Sachiyo Minegishi Director $51,372 Mixed 05 Dec 2025
George Golumbeski Director $51,369 Mixed 05 Dec 2025
Francis M. Cuss Director $28,348 Mixed 05 Dec 2025
Benjamin Hickey Director $28,348 Mixed 05 Dec 2025
Scott Thomas Jackson Director $28,348 Mixed 05 Dec 2025
Cafico Trust Co Ltd 10%+ Owner Mixed 31 Oct 2023
Trium Capital LLP 10%+ Owner Mixed 22 Aug 2025

Recent insider transactions for Mural Oncology plc

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Benjamin Hickey MURA Stock Option (right to buy) Disposed to Issuer -100% -32,120 0 05 Dec 2025 Direct
Caroline Loew MURA Ordinary Shares Disposed to Issuer -100% -293,059 0 05 Dec 2025 Direct
Caroline Loew MURA Stock Option (right to buy) Disposed to Issuer -100% -603,940 0 05 Dec 2025 Direct
Francis M. Cuss MURA Stock Option (right to buy) Disposed to Issuer -100% -32,120 0 05 Dec 2025 Direct
Scott Thomas Jackson MURA Stock Option (right to buy) Disposed to Issuer -100% -32,120 0 05 Dec 2025 Direct
George Golumbeski MURA Stock Option (right to buy) Disposed to Issuer -100% -23,971 0 05 Dec 2025 Direct
Sachiyo Minegishi MURA Stock Option (right to buy) Disposed to Issuer -100% -23,972 0 05 Dec 2025 Direct
Maiken Keson-Brookes MURA Ordinary Shares Disposed to Issuer -100% -68,834 0 05 Dec 2025 Direct
Maiken Keson-Brookes MURA Stock Option (right to buy) Disposed to Issuer -100% -150,442 0 05 Dec 2025 Direct
Vicki L. Goodman MURA Ordinary Shares Disposed to Issuer -100% -84,727 0 05 Dec 2025 Direct
Vicki L. Goodman MURA Stock Option (right to buy) Disposed to Issuer -100% -200,604 0 05 Dec 2025 Direct
Adam D. Cutler MURA Ordinary Shares Disposed to Issuer -100% -99,290 0 05 Dec 2025 Direct
Adam D. Cutler MURA Stock Option (right to buy) Disposed to Issuer -100% -211,452 0 05 Dec 2025 Direct
Vicki L. Goodman MURA Ordinary Shares Sale -5.61% $10,475 $2.08 -5,036 84,727 10 Nov 2025 Direct
Adam D. Cutler MURA Ordinary Shares Sale -6.72% $14,939 $2.09 -7,148 99,290 03 Nov 2025 Direct
* marks a reported price that did not pass the local price check.
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