MERSEN
Last 12 months
Reported buys
Not available
Reported sales
Not available
Net buy/sell balance
Not available
Other reported value
Not available
Total reported value
Not available
Public filings
Not available
Price and filing history
Price history and filing amounts shown for context.
Insider trades and share price
Monthly insider activity over issuer price. Circle color shows the buy/sale net, size shows total reported value, dashed outlines show value reported outside buy/sale classifications, and halos mark hybrid-significant operations.
Insider filing data is still loading. Historical price data is still loading.
Insider activity and price evolution
Signals ProPrice change after the observation · 1, 3 and 6 months
Illustrative example with simulated data. These results do not describe this company.
What follows months of insider activity?
Compare monthly net buying and selling with subsequent price movements. Signals Pro quantifies the observed relationship and shows how much evidence supports it.
- Rank association at the same month and after 1, 3 and 6 months
- Median price changes after net buying and net selling
- Sample sizes and evidence levels, without implying causality
Public filings
Open any row to inspect the regulatory record and its transactions.
| Date | Insider | Role | Total reported value | Open |
|---|---|---|---|---|
| 24 Sept 2026 | Luc THEMELIN | Président du Conseil | Sell €488,420.66 Buy/sale net: -€488,420.66 | Open |
| 28 May 2026 | THOMAS BAUMGARTNER | Directeur Financier | Sell €165,820.73 Buy/sale net: -€165,820.73 | Open |
| 26 May 2026 | ESTELLE LEGRAND | Directrice des ressources humaines | Sell €287,492.26 Buy/sale net: -€287,492.26 | Open |
| 26 May 2026 | FARKAS THOMAS | Directeur Stratégie et M&A | Sell €149,468.00 Buy/sale net: -€149,468.00 | Open |
| 3 Dec 2025 | Sylvie GUIGANTI | DIRECTRICE DES SYSTEMES D'INFORMATION | Sell €21,346.90 Buy/sale net: -€21,346.90 | Open |
| 25 Aug 2025 | Salvador LAMAS | Directeur Général Adjoint | Sell €19,211.50 Buy/sale net: -€19,211.50 | Open |
| 1 Aug 2024 | olivier legrain | Administrateur | Buy €19,998.30 Buy/sale net: €19,998.30 | Open |
| 23 May 2024 | Christophe BOMMIER | Directeur Technique | Sell €78,999.68 Buy/sale net: -€78,999.68 | Open |
| 22 May 2024 | ERIC GUAJIOTY | Vice-Président Exécutif Advanced Materials | Sell €232,077.05 Buy/sale net: -€232,077.05 | Open |
| 16 May 2024 | THOMAS FARKAS | Directeur Stratégie et M&A | Sell €133,585.20 Buy/sale net: -€133,585.20 | Open |
| 28 Dec 2023 | THOMAS FARKAS | Directeur Stratégie et M&A | Sell €44,964.80 Buy/sale net: -€44,964.80 | Open |
| 15 Dec 2023 | THOMAS FARKAS | Directeur Stratégie et M&A | Sell €135,966.00 Buy/sale net: -€135,966.00 | Open |
| 21 Nov 2023 | olivier legrain | ADMINISTRATEUR | Buy €14,998.50 Buy/sale net: €14,998.50 | Open |
| 8 Nov 2023 | olivier legrain | ADMINISTRATEUR | Buy €20,691.00 Buy/sale net: €20,691.00 | Open |
| 19 Sept 2023 | olivier legrain | ADMINISTRATEUR | Buy €11,172.00 Buy/sale net: €11,172.00 | Open |
| 22 Jun 2023 | olivier legrain | ADMINISTRATEUR | Buy €10,485.00 Buy/sale net: €10,485.00 | Open |
| 11 May 2023 | GILLES BOISSEAU | Directeur du Pôle Electrical Power | Buy €11,536.00 Buy/sale net: €11,536.00 | Open |
| 25 Apr 2023 | GILLES BOISSEAU | Directeur du Pôle Electrical Power | Buy €53.69 Buy/sale net: €53.69 | Open |
| 25 Apr 2023 | GILLES BOISSEAU | Directeur du Pôle Electrical Power | Sell €33.53 Buy/sale net: -€33.53 | Open |
Gross reported
€488,420.66
Supporting information
Luc THEMELIN
Président du Conseil
Buy/sale net: -€488,420.66
Gross reported
€165,820.73
Supporting information
THOMAS BAUMGARTNER
Directeur Financier
Buy/sale net: -€165,820.73
Gross reported
€287,492.26
Supporting information
ESTELLE LEGRAND
Directrice des ressources humaines
Buy/sale net: -€287,492.26
Gross reported
€149,468.00
Supporting information
FARKAS THOMAS
Directeur Stratégie et M&A
Buy/sale net: -€149,468.00
Gross reported
€21,346.90
Supporting information
Sylvie GUIGANTI
DIRECTRICE DES SYSTEMES D'INFORMATION
Buy/sale net: -€21,346.90
Gross reported
€19,211.50
Supporting information
Salvador LAMAS
Directeur Général Adjoint
Buy/sale net: -€19,211.50
Gross reported
€19,998.30
Supporting information
olivier legrain
Administrateur
Buy/sale net: €19,998.30
Gross reported
€78,999.68
Supporting information
Christophe BOMMIER
Directeur Technique
Buy/sale net: -€78,999.68
Gross reported
€232,077.05
Supporting information
ERIC GUAJIOTY
Vice-Président Exécutif Advanced Materials
Buy/sale net: -€232,077.05
Gross reported
€133,585.20
Supporting information
THOMAS FARKAS
Directeur Stratégie et M&A
Buy/sale net: -€133,585.20
Gross reported
€44,964.80
Supporting information
THOMAS FARKAS
Directeur Stratégie et M&A
Buy/sale net: -€44,964.80
Gross reported
€135,966.00
Supporting information
THOMAS FARKAS
Directeur Stratégie et M&A
Buy/sale net: -€135,966.00
Gross reported
€14,998.50
Supporting information
olivier legrain
ADMINISTRATEUR
Buy/sale net: €14,998.50
Gross reported
€20,691.00
Supporting information
olivier legrain
ADMINISTRATEUR
Buy/sale net: €20,691.00
Gross reported
€11,172.00
Supporting information
olivier legrain
ADMINISTRATEUR
Buy/sale net: €11,172.00
Gross reported
€10,485.00
Supporting information
olivier legrain
ADMINISTRATEUR
Buy/sale net: €10,485.00
Gross reported
€11,536.00
Supporting information
GILLES BOISSEAU
Directeur du Pôle Electrical Power
Buy/sale net: €11,536.00
Gross reported
€53.69
Supporting information
GILLES BOISSEAU
Directeur du Pôle Electrical Power
Buy/sale net: €53.69
Gross reported
€33.53
Supporting information
GILLES BOISSEAU
Directeur du Pôle Electrical Power
Buy/sale net: -€33.53
Insider timing in this issuer
Signals ProAverage share-price change 3, 6 and 12 months after each buy
| Insider | 3 months | 6 months | 12 months |
|---|---|---|---|
| Insider A | +4.2% | +8.5% | +15.8% |
| Insider B | +2.6% | +6.1% | +11.4% |
| Insider C | -1.2% | +3.4% | +7.2% |
Illustrative example with simulated data; these are not results for this profile.
Good timing. Or a lucky trade?
Look beyond a single operation. Signals Pro compares an insider’s trades with subsequent price movements to put their historical timing in context.
- Price evolution 3, 6 and 12 months after purchases
- How often the observed outcome was favourable
- Historical ranking and evidence for each operation
Linked people and organizations
Roles in this company, filings for equity purchases and sales published in the last 12 months, public luck factor and linked companies.
Select an insider
Choose a person or organization in the graph or ledger to inspect the relationship.
| Insider | Filings · 12 months | Luck factor | Linked companies |
|---|---|---|---|
| Not available | Luck factor —Luck data is unavailable for this scope. | 1 | |
| Not available | Luck factor —Luck data is unavailable for this scope. | 1 | |
| Not available | Luck factor —Luck data is unavailable for this scope. | 1 | |
| Not available | Luck factor —Luck data is unavailable for this scope. | 1 | |
| Not available | Luck factor —Luck data is unavailable for this scope. | 1 | |
| Not available | Luck factor —Luck data is unavailable for this scope. | 1 |
Evidence
Open a filing in the activity ledger to inspect its transactions, original regulatory document and source provenance.
Identify the affected field and a source that supports the correction. Use the private contact for rights requests; do not attach identity documents unless necessary and requested.