France Construction & Engineering

Assystem SA (ASY)

Track

Assystem SA recorded insider trading activity on December 30, 2025, when Executive Vice President Christian Jeanneau purchased shares. This follows a period of varied transactions throughout the year, including sales by other management members. These movements represent the most recent corporate equity adjustments documented for the firm.
Ticker: ASY 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 Assystem SA. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Buy 30 Dec 2025
Value €2,569,995.14 | Price 355.69 | Shares 15,324
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
2025-12-31 2025-12-30 B Purchase
2.9
Christian Jeanneau

Vice Président Exécutif

Executive Director
15,324
355.69
€2,569,995 		15,324 355.69 €2,569,995
2025-12-31 2025-12-30 B Purchase
2.9
CHRISTIAN JEANNEAU

VICE PRESIDENT EXECUTIF

Through CAROLE DEROUSSIN, a closely affiliated person Executive Director
28,335
96.20
€4,151,444 		28,335 96.20 €4,151,444
2025-11-04 2025-10-29 S Sale
1.1
Ashish TANDON

Managing Director of Assystem in India

Director
28,118
189.01
€4,705,665 		28,118 189.01 €4,705,665
2025-06-17 2025-06-11 B Purchase
3.6
Dominique LOUIS

Président-directeur général

Through HDL DEVELOPMENT Société par actions simplifiée, a closely affiliated person Executive Director
500
40.00
€20,000 		500 40.00 €20,000
2025-06-11 2025-06-06 B Purchase
3.6
Dominique LOUIS

Président-directeur général

Through HDL DEVELOPMENT Société par actions simplifiée, a closely affiliated person Executive Director
126
40.00
€5,040 		126 40.00 €5,040
2025-06-03 2025-05-27 B Purchase
3.6
Dominique LOUIS

Président-directeur général

Through HDL DEVELOPMENT Société par actions simplifiée, a closely affiliated person Executive Director
121
40.00
€4,840 		121 40.00 €4,840
2025-05-26 2025-05-20 B Purchase
3.6
Dominique LOUIS

Président-directeur général

Through HDL DEVELOPMENT Société par actions simplifiée, a closely affiliated person Executive Director
391
39.98
€15,630 		391 39.98 €15,630
2025-05-21 2025-05-15 B Purchase
3.6
Dominique LOUIS

Président-directeur général

Through HDL DEVELOPMENT Société par actions simplifiée, a closely affiliated person Executive Director
2,000
39.93
€79,853 		2,000 39.93 €79,853
2025-05-20 2025-05-14 B Purchase
3.6
Dominique LOUIS

Président-directeur général

Through HDL DEVELOPMENT Société par actions simplifiée, a closely affiliated person Executive Director
1,936
39.72
€76,899 		1,936 39.72 €76,899
2025-05-19 2025-05-13 B Purchase
3.6
Dominique LOUIS

Président-directeur général

Through HDL DEVELOPMENT Société par actions simplifiée, a closely affiliated person Executive Director
749
39.96
€29,931 		749 39.96 €29,931
2025-05-16 2025-05-12 B Purchase
3.6
Dominique LOUIS

Président-directeur général

Through HDL DEVELOPMENT Société par actions simplifiée, a closely affiliated person Executive Director
1,516
39.73
€60,229 		1,516 39.73 €60,229
2025-05-14 2025-05-08 B Purchase
3.6
Dominique LOUIS

Président-directeur général

Through HDL DEVELOPMENT Société par actions simplifiée, a closely affiliated person Executive Director
348
39.98
€13,914 		348 39.98 €13,914
2025-05-14 2025-05-07 B Purchase
3.6
Dominique LOUIS

Président-directeur général

Through HDL DEVELOPMENT Société par actions simplifiée, a closely affiliated person Executive Director
1,825
39.91
€72,830 		1,825 39.91 €72,830
2025-05-13 2025-05-06 B Purchase
3.6
Dominique LOUIS

Président-directeur général

Through HDL DEVELOPMENT Société par actions simplifiée, a closely affiliated person Executive Director
1,151
39.65
€45,641 		1,151 39.65 €45,641
2025-05-14 2025-05-05 B Purchase
3.6
Dominique LOUIS

Président-directeur général

Through HDL DEVELOPMENT Société par actions simplifiée, a closely affiliated person Executive Director
2,000
39.12
€78,232 		2,000 39.12 €78,232
2025-05-14 2025-05-02 B Purchase
3.6
Dominique LOUIS

Président-directeur général

Through HDL DEVELOPMENT Société par actions simplifiée, a closely affiliated person Executive Director
2,000
38.39
€76,781 		2,000 38.39 €76,781
2025-05-07 2025-05-02 B Purchase
3.6
Dominique LOUIS

Président-directeur général

Through HDL DEVELOPMENT Société par actions simplifiée, a closely affiliated person Executive Director
2,200
37.97
€83,537 		2,200 37.97 €83,537
2025-05-06 2025-04-29 B Purchase
3.6
Dominique LOUIS

Président-directeur général

Through HDL DEVELOPMENT Société par actions simplifiée, a closely affiliated person Executive Director
2,200
37.48
€82,446 		2,200 37.48 €82,446
2025-05-05 2025-04-28 B Purchase
3.6
Dominique LOUIS

Président-directeur général

Through HDL DEVELOPMENT Société par actions simplifiée, a closely affiliated person Executive Director
2,300
36.71
€84,432 		2,300 36.71 €84,432
2025-05-19 2025-04-25 B Purchase
3.6
Dominique LOUIS

Président-directeur général

Through HDL DEVELOPMENT Société par actions simplifiée, a closely affiliated person Executive Director
2,200
35.05
€77,099 		2,200 35.05 €77,099
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