GUILLEMOT BROTHERS LTD LIMITED

Closely associated person at UBISOFT ENTERTAINMENT · on record since Mar 25, 2021
Closely associated person at GUILLEMOT CORPORATION · on record since Jul 13, 2022
Closely associated person at AMA CORPORATION PLC · on record since Jul 19, 2022

Insider trading activity of GUILLEMOT BROTHERS LTD LIMITED

Transactions on record: 51; since Mar 25, 2021

Open-market buys: 32; $556.7M

Open-market sells: 12; $55.5M

Companies traded: 3; last filing Sep 18, 2026

Figures computed from official regulatory filings — .

Companies where GUILLEMOT BROTHERS LTD LIMITED has traded

UBISOFT ENTERTAINMENT41 tx · $1.5B · Sep 18, 2026
AMA CORPORATION PLC5 tx · $6.5M · Jul 19, 2022
GUILLEMOT CORPORATION5 tx · $26.9M · Jul 13, 2022

Track record of GUILLEMOT BROTHERS LTD LIMITED

Statistical track record

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Open-market buys: 32

Last buy: Sep 14, 2026

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Transaction history of GUILLEMOT BROTHERS LTD LIMITED

Co-insiders of GUILLEMOT BROTHERS LTD LIMITED

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
UBISOFT ENTERTAINMENTListing unverified	Sep 18, 2026	Buy	36,546	5.10 EUR	$215.2K	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	Sep 14, 2026	Buy	441,260	4.87 EUR	$2.5M	conv 8	AMF
UBISOFT ENTERTAINMENTListing unverified	Sep 14, 2026	Buy	22,194	4.97 EUR	$127.9K	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	Jul 29, 2026	Buy	353,992	4.78 EUR	$1.9M	conv 25	AMF
UBISOFT ENTERTAINMENTListing unverified	Jul 29, 2026	Buy	21,655	5.13 EUR	$126.4K	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	Jul 8, 2026	Buy	124,353	5.57 EUR	$792.3K	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	Jun 29, 2026	Buy	217,193	5.11 EUR	$1.3M	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	Jun 29, 2026	Buy	282,807	5.03 EUR	$1.6M	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	Jun 26, 2026	Buy	69,654	5.12 EUR	$405K	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	Jun 23, 2026	Buy	119,937	5.26 EUR	$722.9K	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	Jun 22, 2026	Buy	110,409	4.89 EUR	$618.9K	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	Jun 22, 2026	Buy	300,000	5.07 EUR	$1.8M	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	Jun 17, 2026	Buy	300,646	4.99 EUR	$1.7M	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	Jun 17, 2026	Buy	199,354	5.12 EUR	$1.2M	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	May 29, 2026	Buy	500,000	5.36 EUR	$3.1M	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	May 27, 2026	Buy	500,000	5.28 EUR	$3.1M	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	May 27, 2026	Buy	2,055,887	56.88 EUR	$135.7M	conv 31Unusual size	AMF
UBISOFT ENTERTAINMENTListing unverified	May 25, 2026	Buy	600,000	3.99 EUR	$2.8M	conv 7	AMF
UBISOFT ENTERTAINMENTListing unverified	Apr 20, 2026	Buy	65,862	5.02 EUR	$389.6K	conv 24	AMF
UBISOFT ENTERTAINMENTListing unverified	Apr 20, 2026	Buy	134,138	4.65 EUR	$735.2K	conv 24	AMF
UBISOFT ENTERTAINMENTListing unverified	Apr 17, 2026	Buy	79,889	4.73 EUR	$446.5K	conv 24	AMF
UBISOFT ENTERTAINMENTListing unverified	Apr 17, 2026	Buy	10,111	4.10 EUR	$48.7K	conv 24	AMF
UBISOFT ENTERTAINMENTListing unverified	Apr 17, 2026	Buy	10,000	4.29 EUR	$50.6K	conv 24	AMF
UBISOFT ENTERTAINMENTListing unverified	Apr 14, 2026	Buy	100,000	4.11 EUR	$482.3K	conv 24	AMF
UBISOFT ENTERTAINMENTListing unverified	Apr 10, 2026	Buy	20,000	3.90 EUR	$91.1K	conv 24	AMF

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
UBISOFT ENTERTAINMENTListing unverified	Sep 18, 2026	Buy	36,546	5.10 EUR	$215.2K	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	Sep 14, 2026	Buy	441,260	4.87 EUR	$2.5M	conv 8	AMF
UBISOFT ENTERTAINMENTListing unverified	Sep 14, 2026	Buy	22,194	4.97 EUR	$127.9K	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	Jul 29, 2026	Buy	353,992	4.78 EUR	$1.9M	conv 25	AMF
UBISOFT ENTERTAINMENTListing unverified	Jul 29, 2026	Buy	21,655	5.13 EUR	$126.4K	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	Jul 8, 2026	Buy	124,353	5.57 EUR	$792.3K	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	Jun 29, 2026	Buy	217,193	5.11 EUR	$1.3M	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	Jun 29, 2026	Buy	282,807	5.03 EUR	$1.6M	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	Jun 26, 2026	Buy	69,654	5.12 EUR	$405K	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	Jun 23, 2026	Buy	119,937	5.26 EUR	$722.9K	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	Jun 22, 2026	Buy	110,409	4.89 EUR	$618.9K	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	Jun 22, 2026	Buy	300,000	5.07 EUR	$1.8M	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	Jun 17, 2026	Buy	300,646	4.99 EUR	$1.7M	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	Jun 17, 2026	Buy	199,354	5.12 EUR	$1.2M	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	May 29, 2026	Buy	500,000	5.36 EUR	$3.1M	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	May 27, 2026	Buy	500,000	5.28 EUR	$3.1M	conv 6	AMF
UBISOFT ENTERTAINMENTListing unverified	May 27, 2026	Buy	2,055,887	56.88 EUR	$135.7M	conv 31Unusual size	AMF
UBISOFT ENTERTAINMENTListing unverified	May 25, 2026	Buy	600,000	3.99 EUR	$2.8M	conv 7	AMF
UBISOFT ENTERTAINMENTListing unverified	Apr 20, 2026	Buy	65,862	5.02 EUR	$389.6K	conv 24	AMF
UBISOFT ENTERTAINMENTListing unverified	Apr 20, 2026	Buy	134,138	4.65 EUR	$735.2K	conv 24	AMF
UBISOFT ENTERTAINMENTListing unverified	Apr 17, 2026	Buy	79,889	4.73 EUR	$446.5K	conv 24	AMF
UBISOFT ENTERTAINMENTListing unverified	Apr 17, 2026	Buy	10,111	4.10 EUR	$48.7K	conv 24	AMF
UBISOFT ENTERTAINMENTListing unverified	Apr 17, 2026	Buy	10,000	4.29 EUR	$50.6K	conv 24	AMF
UBISOFT ENTERTAINMENTListing unverified	Apr 14, 2026	Buy	100,000	4.11 EUR	$482.3K	conv 24	AMF
UBISOFT ENTERTAINMENTListing unverified	Apr 10, 2026	Buy	20,000	3.90 EUR	$91.1K	conv 24	AMF