Constellium SE (CSTM)

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Over the last 90 days, Constellium SE has seen significant insider selling, with a net value of -$8.81 million. Executives contributed -$8.61 million to this net sell-off. Notable large proposed sales were made by Bpifrance Participations SA. The stock has performed strongly, up 43.5% in 90 days, nearing its 52-week high.

Top insider sells (90, 60, 30, 7d)

Top cluster sells (90, 60, 30d)

Top executive sells (90, 60, 30d)

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Top insider sells

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Top executive sells

Stock chart

Ticker: CSTM Exchange: NYS

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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings

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Company data & Insiders

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Trades

Ormerod John

2 sales — total 200,000 USD

Sale 4 Jun 2026

Value US$3,321,209.18 | Price 108.12 | Shares 76,047

Proposed sale 4 Jun 2026

Value US$935,926.25 | Price 38.56 | Shares 45,417

Becker Marcus

SVP CPO

1 sale — total 100,000 USD

Sale 28 May 2026

Value US$4,905,434.99 | Price 92.64 | Shares 1,488

Marcus Becker

Affiliate

1 sale — total 100,000 USD

Proposed sale 28 May 2026

Value US$100,000.00 | Price 34.93 | Shares 1,000

Bpifrance Participations SA

May be deemed an affiliate

2 sales — total 200,000 USD

Proposed sale 26 May 2026

Value US$100,000.00 | Price 33.24 | Shares 1,000

Proposed sale 26 May 2026

Value US$100,000.00 | Price 33.24 | Shares 1,000

Soultz Bradley Lee

1 purchase — total 84,600 USD

Buy 14 May 2026

Value US$84,600.00 | Price 33.84 | Shares 2,500

Jarrett Martin

SVP Chief Innovation Officer

1 sale — total 157,797 USD

Sale 14 May 2026

Value US$157,797.36 | Price 33.46 | Shares 4,716

Martin Roy Jarrett

Affiliate

1 sale — total 157,797 USD

Proposed sale 14 May 2026

Value US$157,797.44 | Price 33.46 | Shares 4,716

Piquier Ludovic

SVP Manuf Excellence & CTO

1 sale — total 33,570 USD

Sale 12 May 2026

Value US$33,570.00 | Price 33.57 | Shares 1,000

Brun Nicolas

SVP PA, Comm & Sust

1 sale — total 902,475 USD

Sale 11 May 2026

Value US$902,474.85 | Price 33.85 | Shares 26,661

Nicolas Brun

Affiliate

1 sale — total 902,559 USD

Proposed sale 11 May 2026

Value US$902,558.99 | Price 33.85 | Shares 26,661

Corre Stephane

President, AS&I

1 sale — total 167,600 USD

Sale 8 May 2026

Value US$167,600.00 | Price 33.52 | Shares 5,000

Stephane Corre

Affiliate

1 sale — total 167,591 USD

Proposed sale 8 May 2026

Value US$167,590.60 | Price 33.52 | Shares 5,000

Brandjes Michiel

2 sales — total 661,440 USD

Sale 5 May 2026

Value US$325,000.00 | Price 31.25 | Shares 10,400

Proposed sale 5 May 2026

Value US$336,440.00 | Price 32.35 | Shares 10,400

Guo Jack Q.

EVP & CFO

1 sale — total 822,057 USD

Sale 5 May 2026

Value US$822,056.62 | Price 32.62 | Shares 25,201

JACK GUO

Officer

1 sale — total 822,309 USD

Proposed sale 5 May 2026

Value US$822,308.63 | Price 32.63 | Shares 25,201

Hoffmann Philippe

President, A&T

1 sale — total 1,596,000 USD

Sale 1 May 2026

Value US$1,596,000.00 | Price 31.92 | Shares 50,000

Corre Stephane

President, AS&I

1 sale — total 160,200 USD

Sale 1 May 2026

Value US$160,200.00 | Price 32.04 | Shares 5,000

Jurkovic Philip Ryan

SVP & CHRO

1 sale — total 1,561,576 USD

Sale 1 May 2026

Value US$1,561,575.84 | Price 32.01 | Shares 48,784

Stephane Corre

Affiliate

1 sale — total 160,208 USD

Proposed sale 1 May 2026

Value US$160,207.94 | Price 32.04 | Shares 5,000

Philippe Hoffmann

affiliate

1 sale — total 1,595,990 USD

Proposed sale 1 May 2026

Value US$1,595,990.40 | Price 31.92 | Shares 50,000

Ryan Jurkovic

affiliate

1 sale — total 1,561,359 USD

Proposed sale 1 May 2026

Value US$1,561,358.75 | Price 32.01 | Shares 48,784

Deslarzes Jean-Christophe

1 purchase — total 41,247 USD

Buy 1 May 2026

Value US$41,247.25 | Price 31.13 | Shares 1,325

Becker Marcus

SVP CPO

1 sale — total 250,900 USD

Sale 16 Mar 2026

Value US$250,900.00 | Price 25.09 | Shares 10,000

Marcus Becker

affiliate

1 sale — total 250,904 USD

Proposed sale 16 Mar 2026

Value US$250,903.96 | Price 25.09 | Shares 10,000

Corre Stephane

President, AS&I

1 sale — total 38,835 USD

Sale 10 Mar 2026

Value US$38,835.00 | Price 25.89 | Shares 1,500

Hoffmann Philippe

President, A&T

1 sale — total 122,313 USD

Sale 10 Mar 2026

Value US$122,313.36 | Price 25.87 | Shares 4,728

Guo Jack Q.

EVP & CFO

1 sale — total 1,079,219 USD

Sale 10 Mar 2026

Value US$1,079,218.79 | Price 25.87 | Shares 41,717

Becker Marcus

SVP CPO

1 sale — total 28,793 USD

Sale 10 Mar 2026

Value US$28,793.31 | Price 25.87 | Shares 1,113

Jurkovic Philip Ryan

SVP & CHRO

1 sale — total 773,513 USD

Sale 10 Mar 2026

Value US$773,513.00 | Price 25.87 | Shares 29,900

Joerg Ingrid

CEO

1 sale — total 119,364 USD

Sale 10 Mar 2026

Value US$119,364.18 | Price 25.87 | Shares 4,614

Jack Guo

Affiliate

1 sale — total 1,079,349 USD

Proposed sale 10 Mar 2026

Value US$1,079,349.45 | Price 25.87 | Shares 41,717

Ryan Jurkovic

Affiliate

1 sale — total 773,607 USD

Proposed sale 10 Mar 2026

Value US$773,606.65 | Price 25.87 | Shares 29,900

Philippe Hoffmann

Affiliate

1 sale — total 122,328 USD

Proposed sale 10 Mar 2026

Value US$122,328.17 | Price 25.87 | Shares 4,728

Marcus Becker

Affiliate

1 sale — total 28,797 USD

Proposed sale 10 Mar 2026

Value US$28,796.80 | Price 25.87 | Shares 1,113

Ingrid Joerg

Affiliate

1 sale — total 119,379 USD

Proposed sale 10 Mar 2026

Value US$119,378.63 | Price 25.87 | Shares 4,614

Stephane Corre

Affiliate

1 sale — total 38,828 USD

Proposed sale 10 Mar 2026

Value US$38,828.48 | Price 25.89 | Shares 1,500

Brun Nicolas

SVP PA, Comm & Sust

1 sale — total 436,684 USD

Sale 9 Mar 2026

Value US$436,683.67 | Price 24.67 | Shares 17,701

Nicolas Brun

Affiliate

1 sale — total 436,679 USD

Proposed sale 9 Mar 2026

Value US$436,679.21 | Price 24.67 | Shares 17,701

Hoffmann Philippe

President, A&T

2 sales — total 2,115,700 USD

Sale 4 Mar 2026

Value US$814,200.00 | Price 27.14 | Shares 30,000

Sale 4 Mar 2026

Value US$1,301,500.00 | Price 26.03 | Shares 50,000

Philippe Hoffmann

affiliate

1 sale — total 2,115,513 USD

Proposed sale 4 Mar 2026

Value US$2,115,512.55 | Price 26.44 | Shares 80,000

Deslarzes Jean-Christophe

1 purchase — total 41,242 USD

Buy 2 Mar 2026

Value US$41,242.05 | Price 24.77 | Shares 1,665

Corre Stephane

President, AS&I

1 sale — total 74,070 USD

Sale 27 Feb 2026

Value US$74,070.00 | Price 24.69 | Shares 3,000

Stephane Corre

Affiliate

1 sale — total 74,066 USD

Proposed sale 27 Feb 2026

Value US$74,066.21 | Price 24.69 | Shares 3,000

Boccon-Gibod Isabelle

1 sale — total 257,700 USD

Sale 26 Feb 2026

Value US$257,700.00 | Price 25.77 | Shares 10,000

Corre Stephane

President, AS&I

1 sale — total 82,262 USD

Sale 25 Feb 2026

Value US$82,261.76 | Price 25.71 | Shares 3,200

Stephane Corre

Affiliate

1 sale — total 82,260 USD

Proposed sale 25 Feb 2026

Value US$82,260.00 | Price 25.71 | Shares 3,200

Boccon-Gibod Isabelle

Director

1 sale — total 257,700 USD

Proposed sale 25 Feb 2026

Value US$257,700.00 | Price 25.77 | Shares 10,000

Walters Stephen Charles

SVP GC & Secretary

1 sale — total 38,085 USD

Sale 23 Feb 2026

Value US$38,085.00 | Price 25.39 | Shares 1,500

Becker Marcus

Officer

2 sales — total 398,295 USD

Proposed sale 20 Feb 2026

Value US$25.58 | Price 0.00 | Shares 15,570

Sale 20 Feb 2026

Value US$398,269.70 | Price 25.58 | Shares 15,570

Bpifrance Participations SA

10% Stockholder

2 sales — total 82,346,000 USD

Proposed sale 5 Jun 2024

Value US$41,173,000.00 | Price 21.67 | Shares 1,900,000

Proposed sale 5 Jun 2024

Value US$41,173,000.00 | Price 21.67 | Shares 1,900,000

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
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	Becker Marcus SVP CPO Officer	1,488 -1.7% 92.64 US$4,905,435	1,488 -1.7%	92.64	US$4,905,435
2026-05-28	2026-05-28	PrS Proposed sale	Marcus Becker Affiliate	1,000 34.93 US$100,000	1,000	34.93	US$100,000
2026-05-26	2026-05-26	PrS Proposed sale	Bpifrance Participations SA May be deemed an affiliate	1,000 33.24 US$100,000	1,000	33.24	US$100,000
2026-05-26	2026-05-26	PrS Proposed sale	Bpifrance Participations SA May be deemed an affiliate	1,000 33.24 US$100,000	1,000	33.24	US$100,000
2026-05-18	2026-05-14	B Purchase	2.6 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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	Becker Marcus Officer Officer	15,570 0.00 US$26	15,570	0.00	US$26
2026-02-24	2026-02-20	S Sale	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