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France Software & IT Services

Neurones SA (NRO)

Track

Over the last 90 days, Neurones SA has seen a net insider buy of €69,976.34, primarily driven by a single transaction. The CEO, Luc de Chammard, made a purchase of €60,361.59 on March 20, 2026. This activity represents a minimal net buy as a percentage of the float.
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Ticker: NRO Exchange: PAR
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Luc de Chammard
PDG
1 purchase — total 60,362 EUR
Buy 20 Mar 2026
Value €626,362.95 | Price 194.83 | Shares 34,542
Through SEGINAR-NORD SCI, a closely affiliated person
Buy 16 Oct 2025
Value €2,332,727.40 | Price 499.57 | Shares 93,379
Through SEGINAR-SUD Société civile, a closely affiliated person
Buy 2 Oct 2025
Value €16,608.18 | Price 38.71 | Shares 429
Through Arthur de Chammard, a closely affiliated person
Buy 25 Sep 2025
Value €20,723.00 | Price 39.10 | Shares 530
Through Daphnée de Chammard, a closely affiliated person
Sale 12 Jun 2023
Value €1,015,000.00 | Price 40.60 | Shares 25,000
Buy 12 Jun 2023
Value €577,941.00 | Price 40.60 | Shares 14,235
Buy 12 Jun 2023
Value €193,783.80 | Price 40.60 | Shares 4,773
Through Arthur de Chammard, a closely affiliated person
Buy 12 Jun 2023
Value €243,275.20 | Price 40.60 | Shares 5,992
Sale 9 Jun 2023
Value €4,851,821.80 | Price 40.60 | Shares 119,503
Buy 9 Jun 2023
Value €2,754,019.80 | Price 40.60 | Shares 67,833
Through Arthur de Chammard, a closely affiliated person
Sale 2 Jun 2023
Value €8,000,000.00 | Price 40.00 | Shares 200,000
Sale 17 Sep 2020
Value €578,810.63 | Price 24.12 | Shares 24,000
Sale 7 Aug 2020
Value €2,201,312.40 | Price 24.85 | Shares 88,584
Sale 12 Sep 2019
Value €1,270.20 | Price 21.90 | Shares 58
Sale 12 Sep 2019
Value €36,282.12 | Price 21.86 | Shares 1,660
Sale 12 Sep 2019
Value €49,197.41 | Price 21.56 | Shares 2,282
Sale 21 Nov 2017
Value €19,982.40 | Price 27.15 | Shares 736
Sale 21 Nov 2017
Value €48,430.95 | Price 27.03 | Shares 1,792
Sale 21 Nov 2017
Value €29,012.82 | Price 27.01 | Shares 1,074
Sale 21 Nov 2017
Value €21,584.00 | Price 26.98 | Shares 800
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
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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