France Software & IT Services

Neurones SA (NRO)

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Track

The most recent insider trading activity at Neurones SA occurred on March 20, 2026, when CEO Luc de Chammard purchased 1,765 shares. This follows a series of acquisitions by the same executive throughout late 2025. No transactions have been recorded within the last three months, and no further activity has been reported since that spring date.
Ticker: NRO Exchange: PAR
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Neurones SA. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
2.8
Luc de Chammard PDG Executive Director
Through SEGINAR-NORD SCI, a closely affiliated person
Transaction date
Purchase
Price
194.83
Quantity 34,542
Value €626,363
2.8
Luc de Chammard PDG Executive Director
Through SEGINAR-SUD Société civile, a closely affiliated person
Transaction date
Purchase
Price
499.57
Quantity 93,379
Value €2,332,727
2.8
Luc de Chammard PDG Executive Director
Through Arthur de Chammard, a closely affiliated person
Transaction date
Purchase
Price
437.60
Quantity 25,243
Value €362,288
2.8
Luc de Chammard PDG Executive Director
Through Daphnée de Chammard, a closely affiliated person
Transaction date
Purchase
Price
39.10
Quantity 530
Value €20,723
3.0
Bertrand Ducurtil Directeur Général Délégué Officer
Transaction date
Sale
Price
40.60
Quantity 25,000
Value €1,015,000
2.8
Luc de Chammard Président Directeur Général Executive Director
Transaction date
Purchase
Price
40.60
Quantity 14,235
Value €577,941
1.0
Daphnée de Chammard Représentante permanente de l'administrateur HOST DEVELOPPEMENT Director
Transaction date
Purchase
Price
40.60
Quantity 5,992
Value €243,275
2.8
Luc de Chammard Président Directeur Général Executive Director
Through Arthur de Chammard, a closely affiliated person
Transaction date
Purchase
Price
40.60
Quantity 4,773
Value €193,784
2.8
Luc de Chammard Président Directeur Général Executive Director
Transaction date
Sale
Price
40.60
Quantity 119,503
Value €4,851,822
2.8
Luc de Chammard Président Directeur Général Executive Director
Through Arthur de Chammard, a closely affiliated person
Transaction date
Purchase
Price
40.60
Quantity 67,833
Value €2,754,020
2.8
Luc de Chammard Président Directeur Général Executive Director
Transaction date
Sale
Price
40.00
Quantity 200,000
Value €8,000,000
3.0
Bertrand Ducurtil Directeur Général Délégué Officer
Transaction date
Sale
Price
24.12
Quantity 24,000
Value €578,811
2.8
Luc de Chammard Président-directeur général Executive Director
Transaction date
Sale
Price
24.85
Quantity 88,584
Value €2,201,312
3.0
Bertrand Ducurtil DIRECTEUR GENERAL DELEGUE Officer
Transaction date
Sale
Price
21.90
Quantity 58
Value €1,270
3.0
Bertrand Ducurtil DIRECTEUR GENERAL DELEGUE Officer
Transaction date
Sale
Price
21.86
Quantity 1,660
Value €36,282
3.0
Bertrand Ducurtil DIRECTEUR GENERAL DELEGUE Officer
Transaction date
Sale
Price
21.56
Quantity 2,282
Value €49,197
3.0
Bertrand Ducurtil Directeur-général délégué Officer
Transaction date
Sale
Price
27.15
Quantity 736
Value €19,982
3.0
Bertrand Ducurtil Directeur-général délégué Officer
Transaction date
Sale
Price
27.03
Quantity 1,792
Value €48,431
3.0
Bertrand Ducurtil Directeur-général délégué Officer
Transaction date
Sale
Price
27.01
Quantity 1,074
Value €29,013
3.0
Bertrand Ducurtil Directeur-général délégué Officer
Transaction date
Sale
Price
26.98
Quantity 800
Value €21,584
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-03-23 2026-03-20 B Purchase
2.8
Luc de Chammard

PDG

Through SEGINAR-NORD SCI, a closely affiliated person Executive Director
34,542
194.83
€626,363 		34,542 194.83 €626,363
2025-10-17 2025-10-16 B Purchase
2.8
Luc de Chammard

PDG

Through SEGINAR-SUD Société civile, a closely affiliated person Executive Director
93,379
499.57
€2,332,727 		93,379 499.57 €2,332,727
2025-10-06 2025-10-02 B Purchase
2.8
Luc de Chammard

PDG

Through Arthur de Chammard, a closely affiliated person Executive Director
25,243
437.60
€362,288 		25,243 437.60 €362,288
2025-09-26 2025-09-25 B Purchase
2.8
Luc de Chammard

PDG

Through Daphnée de Chammard, a closely affiliated person Executive Director
530
39.10
€20,723 		530 39.10 €20,723
2023-06-14 2023-06-12 S Sale
3.0
Bertrand Ducurtil

Directeur Général Délégué

Officer
25,000
40.60
€1,015,000 		25,000 40.60 €1,015,000
2023-06-14 2023-06-12 B Purchase
2.8
Luc de Chammard

Président Directeur Général

Executive Director
14,235
40.60
€577,941 		14,235 40.60 €577,941
2023-06-14 2023-06-12 B Purchase
1.0
Daphnée de Chammard

Représentante permanente de l'administrateur HOST DEVELOPPEMENT

Director
5,992
40.60
€243,275 		5,992 40.60 €243,275
2023-06-14 2023-06-12 B Purchase
2.8
Luc de Chammard

Président Directeur Général

Through Arthur de Chammard, a closely affiliated person Executive Director
4,773
40.60
€193,784 		4,773 40.60 €193,784
2024-01-24 2023-06-09 S Sale
2.8
Luc de Chammard

Président Directeur Général

Executive Director
119,503
40.60
€4,851,822 		119,503 40.60 €4,851,822
2024-01-24 2023-06-09 B Purchase
2.8
Luc de Chammard

Président Directeur Général

Through Arthur de Chammard, a closely affiliated person Executive Director
67,833
40.60
€2,754,020 		67,833 40.60 €2,754,020
2024-01-24 2023-06-02 S Sale
2.8
Luc de Chammard

Président Directeur Général

Executive Director
200,000
40.00
€8,000,000 		200,000 40.00 €8,000,000
2020-09-18 2020-09-17 S Sale
3.0
Bertrand Ducurtil

Directeur Général Délégué

Officer
24,000
24.12
€578,811 		24,000 24.12 €578,811
2020-08-13 2020-08-07 S Sale
2.8
Luc de Chammard

Président-directeur général

Executive Director
88,584
24.85
€2,201,312 		88,584 24.85 €2,201,312
2019-09-18 2019-09-12 S Sale
3.0
Bertrand Ducurtil

DIRECTEUR GENERAL DELEGUE

Officer
58
21.90
€1,270 		58 21.90 €1,270
2019-09-18 2019-09-12 S Sale
3.0
Bertrand Ducurtil

DIRECTEUR GENERAL DELEGUE

Officer
1,660
21.86
€36,282 		1,660 21.86 €36,282
2019-09-18 2019-09-12 S Sale
3.0
Bertrand Ducurtil

DIRECTEUR GENERAL DELEGUE

Officer
2,282
21.56
€49,197 		2,282 21.56 €49,197
2017-11-28 2017-11-21 S Sale
3.0
Bertrand Ducurtil

Directeur-général délégué

Officer
736
27.15
€19,982 		736 27.15 €19,982
2017-11-28 2017-11-21 S Sale
3.0
Bertrand Ducurtil

Directeur-général délégué

Officer
1,792
27.03
€48,431 		1,792 27.03 €48,431
2017-11-28 2017-11-21 S Sale
3.0
Bertrand Ducurtil

Directeur-général délégué

Officer
1,074
27.01
€29,013 		1,074 27.01 €29,013
2017-11-28 2017-11-21 S Sale
3.0
Bertrand Ducurtil

Directeur-général délégué

Officer
800
26.98
€21,584 		800 26.98 €21,584
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