MRX

Marex Group Ltd

NasdaqFinancialsSecurity & Commodity Brokers, Dealers, Exchanges & Services

Insider activity for last month from 08/10 to 09/10. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Latest filingSep 09, 2026Most recent Form 4
Total buying$00 buys
Total selling$26.2M2 sells
Net open-market-$26.2M5 insiders
Open-market mix
Buy vs sell distribution by transaction count
2 transactions
0 buys0%·100%2 sells

Insider activity report

Monthly open-market purchase and sale counts
Buys Sells
530-3-5transactionsAug 2026 sells: 2 transactions · $26.2M2AugSep

Transaction codes

By Form 4 transaction code in selected period
10transactions
  • A · Grants / awards · dominant4 · 40%
  • F · Tax withholding4 · 40%
  • S · Open-market sells2 · 20%

Activity by reported role

A joint filing can contribute to multiple roles
12transactions
  • Chief executive officer · dominant4 · 33%
  • Chief financial officer2 · 17%
  • MS2 · 17%
  • PRES2 · 17%
  • SR2 · 17%

Distinct insiders active

Reporting-owner CIKs by month · peak Aug 2026 (5)
Aug 2026Sep 2026
9distinct insiders in 2 months

Reported Holdings After

Separated by insider, security, and ownership type
Irvin RobOrdinary Shares · Direct
31.2k31.0kAug 14, 2026 · 31,046 shares owned afterAug 14, 2026 · 31,246 shares owned afterAug 14, 2026Aug 14, 2026
31,246Aug 14, 2026
Lowitt Ian TOrdinary Shares · Direct
2.9M2.8MAug 19, 2026 · 2,872,059 shares owned afterSep 07, 2026 · 2,835,472 shares owned afterAug 19, 2026Sep 07, 2026
2,835,472Sep 07, 2026
Van Den Born SimonOrdinary Shares · Direct
1.5M1.5MAug 19, 2026 · 1,498,834 shares owned afterSep 07, 2026 · 1,485,619 shares owned afterAug 19, 2026Sep 07, 2026
1,485,619Sep 07, 2026
Tonucci PaoloOrdinary Shares · Direct
1.3M1.3MAug 19, 2026 · 1,304,530 shares owned afterSep 07, 2026 · 1,286,237 shares owned afterAug 19, 2026Sep 07, 2026
1,286,237Sep 07, 2026
Jethwa NileshOrdinary Shares · Direct
314.5k282.9kAug 19, 2026 · 314,517 shares owned afterSep 07, 2026 · 282,950 shares owned afterAug 19, 2026Sep 07, 2026
282,950Sep 07, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells red
3 active days
Aug 10Sep 10
LessMore
Top insiders
By absolute net value across the selected period
5 insiders
  • LT
    Lowitt Ian TCEO · rank 1 · 0 buys · 0 sells
    -$2.9Mlast 09/09/undefined
  • JN
    Jethwa NileshCEO, MS · rank 2 · 0 buys · 0 sells
    -$2.5Mlast 09/09/undefined
  • TP
    Tonucci PaoloSR · rank 3 · 0 buys · 0 sells
    -$1.4Mlast 09/09/undefined
  • VS
    Van Den Born SimonPRES · rank 4 · 0 buys · 0 sells
    -$1.0Mlast 09/09/undefined
  • IR
    Irvin RobCFO · rank 5 · 0 buys · 2 sells
    -$262.5klast 08/18/undefined
Recent filing activity
Most recent 10 transactions · color = transaction code

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale$24.8M
10b5-1 detected0
Amended rows0

Filing-only signals

Deterministic matches in the selected period

MRX transaction history

Filters apply within this company and selected period by default
Reset
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date
MRXTonucci Paolo
SR
withholding18.2k-$143MF0.0%09/0909/07
MRXVan Den Born Simon
PRES
withholding13.2k-$103MF0.0%09/0909/07
MRXJethwa Nilesh
CEOMS
withholding31.5k-$247MF0.0%09/0909/07
MRXLowitt Ian T
CEO
withholding36.5k-$286MF0.0%09/0909/07
MRXJethwa Nilesh
CEOMS
grant67.1k$0A0.2%08/2108/19
MRXTonucci Paolo
SR
grant38.9k$0A0.2%08/2108/19
MRXVan Den Born Simon
PRES
grant33.5k$0A0.2%08/2108/19
MRXLowitt Ian T
CEO
grant77.8k$0A0.2%08/2108/19
MRXIrvin Rob
CFO
sale200-$1.43MS+1.0%08/1808/14
MRXIrvin Rob
CFO
sale3.50k-$24.8MS+1.0%08/1808/14

Marex Group Ltd Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at Marex Group Ltd?

Tonucci Paolo, Van Den Born Simon, Jethwa Nilesh, Lowitt Ian T, Irvin Rob.

When was the latest reported open-market purchase?

No code-P purchase is available for this period.

When was the latest reported open-market sale?

Irvin Rob reported a sale on Aug 14, 2026 valued at $1.43M. Read the SEC filing.

What is the recent purchase and sale balance?

Net open-market selling in the selected period was $262,545.40. Sales can occur for many non-investment reasons.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.