France Metals & Mining

Constellium SE (CSTM)

Track

Over the past 90 days, Constellium SE has seen significant insider selling, with a net value of approximately $6.24 million. Notable transactions include large proposed sales by affiliates and multiple stock sales by executives. Despite a 7% decline in stock price over the period, insider activity remains heavily weighted toward divestment rather than acquisition.
Ticker: CSTM Exchange: NYS
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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 Constellium SE. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Buy 3 Aug 2026
Value US$1,024,205.19 | Price 296.41 | Shares 10,987 (-31.4%)
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
2026-08-03 2026-08-03 B Purchase
3.2
Deslarzes Jean-Christophe
Non-Executive Director
10,987 -31.4%
296.41
US$1,024,205 		10,987 -31.4% 296.41 US$1,024,205
2026-06-08 2026-06-04 S Sale
Ormerod John
Non-Executive Director
76,047 +27.3%
108.12
US$3,321,209 		76,047 +27.3% 108.12 US$3,321,209
2026-06-04 2026-06-04 PrS Proposed sale
Ormerod John

Director

Non-Executive Director
45,417
38.56
US$935,926 		45,417 38.56 US$935,926
2026-06-01 2026-05-28 S Sale
1.6
Becker Marcus

SVP CPO

Officer
10,391 -38.2%
34.93
US$362,958 		10,391 -38.2% 34.93 US$362,958
2026-05-28 2026-05-28 PrS Proposed sale
1.6
Marcus Becker

Affiliate
10,391
34.93
US$363,003 		10,391 34.93 US$363,003
2026-05-26 2026-05-26 PrS Proposed sale
Bpifrance Participations SA

May be deemed an affiliate
2,095,000
33.24
US$69,637,800 		2,095,000 33.24 US$69,637,800
2026-05-26 2026-05-26 PrS Proposed sale
Bpifrance Participations SA

May be deemed an affiliate
2,095,000
33.24
US$69,637,800 		2,095,000 33.24 US$69,637,800
2026-05-18 2026-05-14 B Purchase
2.5
Soultz Bradley Lee
Non-Executive Director
2,500 +inf%
33.84
US$84,600 		2,500 +inf% 33.84 US$84,600
2026-05-18 2026-05-14 S Sale
Jarrett Martin

SVP Chief Innovation Officer

Officer
4,716 -23.5%
33.46
US$157,797 		4,716 -23.5% 33.46 US$157,797
2026-05-14 2026-05-14 PrS Proposed sale
Martin Roy Jarrett

Affiliate
4,716
33.46
US$157,797 		4,716 33.46 US$157,797
2026-05-13 2026-05-12 S Sale
Piquier Ludovic

SVP Manuf Excellence & CTO

Officer
1,000 -0.4%
33.57
US$33,570 		1,000 -0.4% 33.57 US$33,570
2026-05-12 2026-05-11 S Sale
1.1
Brun Nicolas

SVP PA, Comm & Sust

Officer
26,661 -20.3%
33.85
US$902,475 		26,661 -20.3% 33.85 US$902,475
2026-05-11 2026-05-11 PrS Proposed sale
1.1
Nicolas Brun

Affiliate
26,661
33.85
US$902,559 		26,661 33.85 US$902,559
2026-05-12 2026-05-08 S Sale
1.7
Corre Stephane

President, AS&I

Officer
5,000 -7.4%
33.52
US$167,600 		5,000 -7.4% 33.52 US$167,600
2026-05-08 2026-05-08 PrS Proposed sale
1.7
Stephane Corre

Affiliate
5,000
33.52
US$167,591 		5,000 33.52 US$167,591
2026-05-07 2026-05-05 S Sale
Brandjes Michiel
Non-Executive Director
10,400 -20.0%
31.25
US$325,000 		10,400 -20.0% 31.25 US$325,000
2026-05-07 2026-05-05 PrS Proposed sale
Brandjes Michiel

Director

Non-Executive Director
10,400
32.35
US$336,440 		10,400 32.35 US$336,440
2026-05-07 2026-05-05 S Sale
0.8
Guo Jack Q.

EVP & CFO

Officer
25,201 -12.0%
32.62
US$822,057 		25,201 -12.0% 32.62 US$822,057
2026-05-05 2026-05-05 PrS Proposed sale
0.8
JACK GUO

Officer

Officer
25,201
32.63
US$822,309 		25,201 32.63 US$822,309
2026-05-05 2026-05-01 S Sale
1.4
Hoffmann Philippe

President, A&T

Officer
50,000 -25.8%
31.92
US$1,596,000 		50,000 -25.8% 31.92 US$1,596,000
2026-05-04 2026-05-01 S Sale
1.7
Corre Stephane

President, AS&I

Officer
5,000 -6.9%
32.04
US$160,200 		5,000 -6.9% 32.04 US$160,200
2026-05-04 2026-05-01 S Sale
1.3
Jurkovic Philip Ryan

SVP & CHRO

Officer
48,784 -22.1%
32.01
US$1,561,576 		48,784 -22.1% 32.01 US$1,561,576
2026-05-01 2026-05-01 PrS Proposed sale
1.7
Stephane Corre

Affiliate
5,000
32.04
US$160,208 		5,000 32.04 US$160,208
2026-05-01 2026-05-01 PrS Proposed sale
1.4
Philippe Hoffmann

affiliate
50,000
31.92
US$1,595,990 		50,000 31.92 US$1,595,990
2026-05-01 2026-05-01 PrS Proposed sale
1.3
Ryan Jurkovic

affiliate
48,784
32.01
US$1,561,359 		48,784 32.01 US$1,561,359
2026-05-01 2026-05-01 B Purchase
3.2
Deslarzes Jean-Christophe
Non-Executive Director
1,325 +3.3%
31.13
US$41,247 		1,325 +3.3% 31.13 US$41,247
2026-03-17 2026-03-16 S Sale
1.6
Becker Marcus

SVP CPO

Officer
10,000 -26.9%
25.09
US$250,900 		10,000 -26.9% 25.09 US$250,900
2026-03-16 2026-03-16 PrS Proposed sale
1.6
Marcus Becker

affiliate
10,000
25.09
US$250,904 		10,000 25.09 US$250,904
2026-03-12 2026-03-10 S Sale
1.7
Corre Stephane

President, AS&I

Officer
1,500 -2.3%
25.89
US$38,835 		1,500 -2.3% 25.89 US$38,835
2026-03-11 2026-03-10 S Sale
1.4
Hoffmann Philippe

President, A&T

Officer
4,728 -2.5%
25.87
US$122,313 		4,728 -2.5% 25.87 US$122,313
2026-03-11 2026-03-10 S Sale
0.8
Guo Jack Q.

EVP & CFO

Officer
41,717 -17.9%
25.87
US$1,079,219 		41,717 -17.9% 25.87 US$1,079,219
2026-03-11 2026-03-10 S Sale
1.6
Becker Marcus

SVP CPO

Officer
1,113 -3.2%
25.87
US$28,793 		1,113 -3.2% 25.87 US$28,793
2026-03-11 2026-03-10 S Sale
1.3
Jurkovic Philip Ryan

SVP & CHRO

Officer
29,900 -12.4%
25.87
US$773,513 		29,900 -12.4% 25.87 US$773,513
2026-03-11 2026-03-10 S Sale
0.7
Joerg Ingrid

CEO

Executive Director
4,614 -1.2%
25.87
US$119,364 		4,614 -1.2% 25.87 US$119,364
2026-03-10 2026-03-10 PrS Proposed sale
0.8
Jack Guo

Affiliate
41,717
25.87
US$1,079,349 		41,717 25.87 US$1,079,349
2026-03-10 2026-03-10 PrS Proposed sale
1.3
Ryan Jurkovic

Affiliate
29,900
25.87
US$773,607 		29,900 25.87 US$773,607
2026-03-10 2026-03-10 PrS Proposed sale
1.4
Philippe Hoffmann

Affiliate
4,728
25.87
US$122,328 		4,728 25.87 US$122,328
2026-03-10 2026-03-10 PrS Proposed sale
1.6
Marcus Becker

Affiliate
1,113
25.87
US$28,797 		1,113 25.87 US$28,797
2026-03-10 2026-03-10 PrS Proposed sale
0.7
Ingrid Joerg

Affiliate
4,614
25.87
US$119,379 		4,614 25.87 US$119,379
2026-03-10 2026-03-10 PrS Proposed sale
1.7
Stephane Corre

Affiliate
1,500
25.89
US$38,828 		1,500 25.89 US$38,828
2026-03-11 2026-03-09 S Sale
1.1
Brun Nicolas

SVP PA, Comm & Sust

Officer
17,701 -14.6%
24.67
US$436,684 		17,701 -14.6% 24.67 US$436,684
2026-03-09 2026-03-09 PrS Proposed sale
1.1
Nicolas Brun

Affiliate
17,701
24.67
US$436,679 		17,701 24.67 US$436,679
2026-03-06 2026-03-04 S Sale
1.4
Hoffmann Philippe

President, A&T

Officer
30,000 -35.1%
27.14
US$814,200 		30,000 -35.1% 27.14 US$814,200
2026-03-06 2026-03-04 S Sale
1.4
Hoffmann Philippe

President, A&T

Officer
50,000 -36.9%
26.03
US$1,301,500 		50,000 -36.9% 26.03 US$1,301,500
2026-03-04 2026-03-04 PrS Proposed sale
1.4
Philippe Hoffmann

affiliate
80,000
26.44
US$2,115,513 		80,000 26.44 US$2,115,513
2026-03-17 2026-03-02 B Purchase
3.2
Deslarzes Jean-Christophe
Non-Executive Director
1,665 +4.3%
24.77
US$41,242 		1,665 +4.3% 24.77 US$41,242
2026-03-03 2026-02-27 S Sale
1.7
Corre Stephane

President, AS&I

Officer
3,000 -6.3%
24.69
US$74,070 		3,000 -6.3% 24.69 US$74,070
2026-02-27 2026-02-27 PrS Proposed sale
1.7
Stephane Corre

Affiliate
3,000
24.69
US$74,066 		3,000 24.69 US$74,066
2026-02-27 2026-02-26 S Sale
1.5
Boccon-Gibod Isabelle
Non-Executive Director
10,000 -30.3%
25.77
US$257,700 		10,000 -30.3% 25.77 US$257,700
2026-02-27 2026-02-25 S Sale
1.7
Corre Stephane

President, AS&I

Officer
3,200 -6.3%
25.71
US$82,262 		3,200 -6.3% 25.71 US$82,262
2026-02-26 2026-02-25 PrS Proposed sale
1.7
Stephane Corre

Affiliate
3,200
25.71
US$82,260 		3,200 25.71 US$82,260
2026-02-25 2026-02-25 PrS Proposed sale
1.5
Boccon-Gibod Isabelle

Director

Non-Executive Director
10,000
25.77
US$257,700 		10,000 25.77 US$257,700
2026-02-24 2026-02-23 S Sale
0.8
Walters Stephen Charles

SVP GC & Secretary

Officer
1,500 -100.0%
25.39
US$38,085 		1,500 -100.0% 25.39 US$38,085
2026-02-24 2026-02-20 PrS Proposed sale
1.6
Becker Marcus

Officer

Officer
15,570
0.00
US$26 		15,570 0.00 US$26
2026-02-24 2026-02-20 S Sale
1.6
Becker Marcus

SVP CPO

Officer
15,570 -100.0%
25.58
US$398,270 		15,570 -100.0% 25.58 US$398,270
2024-06-04 2024-06-05 PrS Proposed sale
Bpifrance Participations SA

10% Stockholder

Large shareholder
1,900,000
21.67
US$41,173,000 		1,900,000 21.67 US$41,173,000
2024-06-04 2024-06-05 PrS Proposed sale
Bpifrance Participations SA

10% Stockholder

Large shareholder
1,900,000
21.67
US$41,173,000 		1,900,000 21.67 US$41,173,000
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