Patrick M. Prevost

Insider Reports History

Reporting-owner location: Mayfield Heights, OH
Latest reporting-owner signature: /s/Michelle R. Mekinda, as Attorney-In-Fact
Source: Latest parsed Forms 3/4/5 signature
Transaction source note: Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for Patrick M. Prevost

Form 4 holding Director

MATERION Corp

Security class: Common Stock
Shares / value: 18,316
Estimated value: $2,649,449
Report date: 07 May 2026
Price: $144.65
Ownership: Held In Directors Deferred Comp. Plan

Form 4 holding Director

SOUTHWESTERN ENERGY CO

Security class: Deferred Stock Units
Shares / value: 263,726
Estimated value: $1,848,719
Report date: 23 May 2024
Price: $7.01
Ownership: Direct
Underlying class: Common Stock
Underlying amount

Form 4 holding Director

SOUTHWESTERN ENERGY CO

Security class: Common Stock
Shares / value: 74,178
Estimated value: $519,988
Report date: 23 May 2024
Price: $7.01
Ownership: Direct

Form 4 holding Director

MATERION Corp

Security class: Restricted Stock Units
Shares / value: 758
Estimated value: $99,411
Report date: 08 May 2026
Price: $86.07
Ownership: Direct
Underlying class: Common Stock
Underlying amount

Insider Reports Filed by Patrick M. Prevost

4 MTRN

MATERION Corp

Report period: 07 May 2026
Transactions: 3
Transaction value: $0
Accepted by SEC: 11 May 2026, 14:01
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 07 Apr 2026
Transactions: 1
Transaction value: $0
Accepted by SEC: 09 Apr 2026, 10:28
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 06 Mar 2026
Transactions: 2
Transaction value: $0
Accepted by SEC: 10 Mar 2026, 14:21
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 06 Jan 2026
Transactions: 1
Transaction value: +$20,622
Accepted by SEC: 07 Jan 2026, 10:28
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 05 Dec 2025
Transactions: 2
Transaction value: $0
Accepted by SEC: 09 Dec 2025, 11:46
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 06 Oct 2025
Transactions: 1
Transaction value: +$20,529
Accepted by SEC: 07 Oct 2025, 14:05
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 05 Sep 2025
Transactions: 2
Transaction value: $0
Accepted by SEC: 09 Sep 2025, 14:38
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 02 Jul 2025
Transactions: 1
Transaction value: +$20,549
Accepted by SEC: 07 Jul 2025, 13:21
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 13 Jun 2025
Transactions: 2
Transaction value: $0
Accepted by SEC: 17 Jun 2025, 10:28
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 07 May 2025
Transactions: 3
Transaction value: $0
Accepted by SEC: 09 May 2025, 10:49
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 04 Apr 2025
Transactions: 1
Transaction value: +$20,594
Accepted by SEC: 07 Apr 2025, 16:31
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 07 Mar 2025
Transactions: 2
Transaction value: $0
Accepted by SEC: 11 Mar 2025, 16:28
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 07 Jan 2025
Transactions: 1
Transaction value: +$20,541
Accepted by SEC: 08 Jan 2025, 16:22
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 06 Dec 2024
Transactions: 2
Transaction value: $0
Accepted by SEC: 10 Dec 2024, 18:08
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 03 Oct 2024
Transactions: 1
Transaction value: +$20,564
Accepted by SEC: 04 Oct 2024, 11:46
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 06 Sep 2024
Transactions: 2
Transaction value: $0
Accepted by SEC: 10 Sep 2024, 13:07
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 08 Jul 2024
Transactions: 1
Transaction value: +$20,603
Accepted by SEC: 09 Jul 2024, 13:33
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 07 Jun 2024
Transactions: 2
Transaction value: $0
Accepted by SEC: 10 Jun 2024, 15:47
Role: Director
Next action: Open filing details

4

SOUTHWESTERN ENERGY CO

Report period: 23 May 2024
Transactions: 1
Transaction value: $0
Accepted by SEC: 28 May 2024, 16:22
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 09 May 2024
Transactions: 3
Transaction value: $0
Accepted by SEC: 13 May 2024, 10:06
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 04 Apr 2024
Transactions: 1
Transaction value: +$20,587
Accepted by SEC: 04 Apr 2024, 16:55
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 08 Mar 2024
Transactions: 2
Transaction value: $0
Accepted by SEC: 12 Mar 2024, 16:45
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 03 Jan 2024
Transactions: 1
Transaction value: +$20,550
Accepted by SEC: 05 Jan 2024, 07:41
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 08 Dec 2023
Transactions: 2
Transaction value: $0
Accepted by SEC: 12 Dec 2023, 17:44
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 09 Oct 2023
Transactions: 1
Transaction value: +$18,710
Accepted by SEC: 11 Oct 2023, 09:15
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 07 Sep 2023
Transactions: 2
Transaction value: $0
Accepted by SEC: 11 Sep 2023, 18:35
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 05 Jul 2023
Transactions: 1
Transaction value: +$18,646
Accepted by SEC: 07 Jul 2023, 08:47
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 15 Jun 2023
Transactions: 2
Transaction value: $0
Accepted by SEC: 21 Jun 2023, 18:52
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 18 May 2023
Transactions: 1
Transaction value: $0
Accepted by SEC: 31 May 2023, 11:34
Role: Director
Next action: Open filing details

4

SOUTHWESTERN ENERGY CO

Report period: 18 May 2023
Transactions: 1
Transaction value: $0
Accepted by SEC: 22 May 2023, 16:23
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 05 May 2023
Transactions: 2
Transaction value: $0
Accepted by SEC: 09 May 2023, 19:43
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 12 Apr 2023
Transactions: 1
Transaction value: +$18,647
Accepted by SEC: 13 Apr 2023, 16:11
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 10 Mar 2023
Transactions: 2
Transaction value: $0
Accepted by SEC: 14 Mar 2023, 19:25
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 04 Jan 2023
Transactions: 1
Transaction value: +$18,718
Accepted by SEC: 05 Jan 2023, 08:20
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 08 Dec 2022
Transactions: 2
Transaction value: $0
Accepted by SEC: 12 Dec 2022, 15:40
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 28 Oct 2022
Transactions: 1
Transaction value: +$18,695
Accepted by SEC: 31 Oct 2022, 13:54
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 08 Sep 2022
Transactions: 2
Transaction value: $0
Accepted by SEC: 12 Sep 2022, 17:19
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 07 Jul 2022
Transactions: 1
Transaction value: +$18,704
Accepted by SEC: 11 Jul 2022, 08:28
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 16 Jun 2022
Transactions: 2
Transaction value: $0
Accepted by SEC: 21 Jun 2022, 09:36
Role: Director
Next action: Open filing details

4

SOUTHWESTERN ENERGY CO

Report period: 19 May 2022
Transactions: 1
Transaction value: $0
Accepted by SEC: 20 May 2022, 16:13
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 04 May 2022
Transactions: 3
Transaction value: $0
Accepted by SEC: 06 May 2022, 16:47
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 07 Apr 2022
Transactions: 1
Transaction value: +$18,692
Accepted by SEC: 11 Apr 2022, 14:54
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 11 Mar 2022
Transactions: 2
Transaction value: $0
Accepted by SEC: 15 Mar 2022, 15:43
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 19 Jan 2022
Transactions: 1
Transaction value: +$18,673
Accepted by SEC: 21 Jan 2022, 13:53
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 03 Dec 2021
Transactions: 2
Transaction value: $0
Accepted by SEC: 07 Dec 2021, 15:29
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 04 Oct 2021
Transactions: 1
Transaction value: +$17,433
Accepted by SEC: 06 Oct 2021, 10:08
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 03 Sep 2021
Transactions: 2
Transaction value: $0
Accepted by SEC: 08 Sep 2021, 10:04
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 15 Jul 2021
Transactions: 1
Transaction value: +$17,489
Accepted by SEC: 19 Jul 2021, 11:15
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 11 Jun 2021
Transactions: 2
Transaction value: $0
Accepted by SEC: 15 Jun 2021, 16:40
Role: Director
Next action: Open filing details

4

SOUTHWESTERN ENERGY CO

Report period: 18 May 2021
Transactions: 1
Transaction value: $0
Accepted by SEC: 20 May 2021, 17:14
Role: Director
Next action: Open filing details

4 MTRN

MATERION Corp

Report period: 06 May 2021
Transactions: 3
Transaction value: $0
Accepted by SEC: 10 May 2021, 08:51
Role: Director
Next action: Open filing details

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