THOMAS BAUMGARTNER

Directeur Financier at MERSEN · on record since Apr 12, 2021

Insider trading activity of THOMAS BAUMGARTNER

Transactions on record: 26; since Apr 12, 2021

Open-market buys: 5; $2.1

Open-market sells: 11; $624.8K

Companies traded: 1; last filing May 27, 2026

Figures computed from official regulatory filings — .

Companies where THOMAS BAUMGARTNER has traded

MERSEN26 tx · $979.2K · May 27, 2026

Track record of THOMAS BAUMGARTNER

Statistical track record

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Open-market buys: 5

Last buy: May 16, 2026

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Transaction history of THOMAS BAUMGARTNER

Co-insiders of THOMAS BAUMGARTNER

Bpifrance Participations SAMERSEN
CHRISTOPHE BOMMIERMERSEN
Delphine JACQUEMONTMERSEN
DIDIER MULLERMERSEN
Eric GUAJIOTYMERSEN
Estelle LEGRANDMERSEN
FARKAS THOMASMERSEN
Ferran SACRESTMERSEN
GILLES BOISSEAUMERSEN
JEAN-PHILIPPE FOURNIERMERSEN
LUC THEMELINMERSEN
MATTHIEU ELRIZMERSEN
olivier legrainMERSEN

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
MERSENListing unverified	May 27, 2026	Sell	-4,189	39.58 EUR	$192.8K	Unusual size	AMF
MERSENListing unverified	May 19, 2026	Buy	3,056	0.00 EUR	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	conv 44Cluster	AMF
MERSENListing unverified	May 20, 2025	Buy	3,784	0.00 EUR	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	conv 56Cluster	AMF
MERSENListing unverified	May 22, 2024	Buy	5,928	0.00 EUR	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	conv 71ClusterFirst in 12mo	AMF
MERSENListing unverified	May 11, 2023	Award	2,928	28.00 EUR	$90K		AMF
MERSENListing unverified	Apr 28, 2023	Sell	-2,869	1.72 EUR	$5.4K	Unusual size	AMF
MERSENListing unverified	Apr 25, 2023	Buy	1	1.88 EUR	$2.1	conv 51Cluster	AMF
MERSENListing unverified	May 25, 2022	Other	760	0.00 EUR	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		AMF
MERSENListing unverified	May 19, 2022	Buy	1,256	0.00 EUR	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	conv 78ClusterFirst in 12mo	AMF
MERSENListing unverified	Aug 27, 2021	Sell	-1,511	32.35 EUR	$57.5K		AMF
MERSENListing unverified	Aug 23, 2021	Other	2,211	0.00 EUR	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		AMF
MERSENListing unverified	Aug 23, 2021	Sell	-700	31.61 EUR	$25.9K	Unusual size	AMF
MERSENListing unverified	May 20, 2021	ExerciseD (derivative)	1,500	22.69 EUR	$41.4K		AMF
MERSENListing unverified	May 20, 2021	Sell	-1,431	30.50 EUR	$53.3K		AMF
MERSENListing unverified	May 20, 2021	Sell	-1,500	29.70 EUR	$54.2K		AMF
MERSENListing unverified	May 20, 2021	ExerciseD (derivative)	1,431	22.69 EUR	$39.7K		AMF
MERSENListing unverified	May 18, 2021	Sell	-1,000	29.50 EUR	$35.8K		AMF
MERSENListing unverified	May 18, 2021	ExerciseD (derivative)	1,000	22.69 EUR	$27.6K		AMF
MERSENListing unverified	May 14, 2021	Sell	-1,500	29.00 EUR	$52.8K		AMF
MERSENListing unverified	May 14, 2021	Sell	-1,500	29.20 EUR	$52.9K		AMF
MERSENListing unverified	May 14, 2021	ExerciseD (derivative)	1,500	22.69 EUR	$41.1K		AMF
MERSENListing unverified	May 14, 2021	ExerciseD (derivative)	1,000	22.69 EUR	$27.4K		AMF
MERSENListing unverified	May 14, 2021	Sell	-1,000	29.05 EUR	$35.1K		AMF
MERSENListing unverified	May 14, 2021	ExerciseD (derivative)	1,500	22.69 EUR	$41.3K		AMF
MERSENListing unverified	Apr 12, 2021	ExerciseD (derivative)	1,700	22.69 EUR	$45.9K		AMF

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
MERSENListing unverified	May 27, 2026	Sell	-4,189	39.58 EUR	$192.8K	Unusual size	AMF
MERSENListing unverified	May 19, 2026	Buy	3,056	0.00 EUR	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	conv 44Cluster	AMF
MERSENListing unverified	May 20, 2025	Buy	3,784	0.00 EUR	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	conv 56Cluster	AMF
MERSENListing unverified	May 22, 2024	Buy	5,928	0.00 EUR	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	conv 71ClusterFirst in 12mo	AMF
MERSENListing unverified	May 11, 2023	Award	2,928	28.00 EUR	$90K		AMF
MERSENListing unverified	Apr 28, 2023	Sell	-2,869	1.72 EUR	$5.4K	Unusual size	AMF
MERSENListing unverified	Apr 25, 2023	Buy	1	1.88 EUR	$2.1	conv 51Cluster	AMF
MERSENListing unverified	May 25, 2022	Other	760	0.00 EUR	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		AMF
MERSENListing unverified	May 19, 2022	Buy	1,256	0.00 EUR	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	conv 78ClusterFirst in 12mo	AMF
MERSENListing unverified	Aug 27, 2021	Sell	-1,511	32.35 EUR	$57.5K		AMF
MERSENListing unverified	Aug 23, 2021	Other	2,211	0.00 EUR	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		AMF
MERSENListing unverified	Aug 23, 2021	Sell	-700	31.61 EUR	$25.9K	Unusual size	AMF
MERSENListing unverified	May 20, 2021	ExerciseD (derivative)	1,500	22.69 EUR	$41.4K		AMF
MERSENListing unverified	May 20, 2021	Sell	-1,431	30.50 EUR	$53.3K		AMF
MERSENListing unverified	May 20, 2021	Sell	-1,500	29.70 EUR	$54.2K		AMF
MERSENListing unverified	May 20, 2021	ExerciseD (derivative)	1,431	22.69 EUR	$39.7K		AMF
MERSENListing unverified	May 18, 2021	Sell	-1,000	29.50 EUR	$35.8K		AMF
MERSENListing unverified	May 18, 2021	ExerciseD (derivative)	1,000	22.69 EUR	$27.6K		AMF
MERSENListing unverified	May 14, 2021	Sell	-1,500	29.00 EUR	$52.8K		AMF
MERSENListing unverified	May 14, 2021	Sell	-1,500	29.20 EUR	$52.9K		AMF
MERSENListing unverified	May 14, 2021	ExerciseD (derivative)	1,500	22.69 EUR	$41.1K		AMF
MERSENListing unverified	May 14, 2021	ExerciseD (derivative)	1,000	22.69 EUR	$27.4K		AMF
MERSENListing unverified	May 14, 2021	Sell	-1,000	29.05 EUR	$35.1K		AMF
MERSENListing unverified	May 14, 2021	ExerciseD (derivative)	1,500	22.69 EUR	$41.3K		AMF
MERSENListing unverified	Apr 12, 2021	ExerciseD (derivative)	1,700	22.69 EUR	$45.9K		AMF