Gregory R. Chemnitz

Insider Reports History

Location
Mayfield Hts., OH
Signature
/s/Michelle R. Mekinda, as Attorney-In-Fact
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Gregory R. Chemnitz:

Company Role Class Num Shares Value Price $ Report Date Ownership
MATERION Corp VP General Counsel & Secretary Common Stock 10,376 $1,174,832 $113.23 04 Nov 2025 Direct
MATERION Corp VP General Counsel & Secretary Common Stock 5,337 $644,804 $120.81 04 Nov 2025 Held in 401(k) Plan
MATERION Corp VP General Counsel & Secretary Restricted Stock Units 3,965 $350,553 $88.77 05 Dec 2025 Direct
MATERION Corp VP General Counsel & Secretary Stock Appreciation Rights 0 04 Nov 2025 Direct

Insider Reports Filed by Gregory R. Chemnitz

Symbol Company Period Transactions Value $ Form Type Role Filing Time
MTRN MATERION Corp 05 Dec 2025 1 $0 4 VP General Counsel & Secretary 09 Dec 2025, 11:47
MTRN MATERION Corp 04 Nov 2025 7 -$137,311 4 VP General Counsel & Secretary 06 Nov 2025, 13:27
MTRN MATERION Corp 05 Sep 2025 1 $0 4 VP General Counsel & Secretary 09 Sep 2025, 14:39
MTRN MATERION Corp 04 Aug 2025 2 -$315,512 4 VP General Counsel & Secretary 06 Aug 2025, 10:09
MTRN MATERION Corp 13 Jun 2025 1 $0 4 VP General Counsel & Secretary 17 Jun 2025, 10:28
MTRN MATERION Corp 05 May 2025 4 -$160,892 4 VP General Counsel & Secretary 06 May 2025, 14:41
MTRN MATERION Corp 07 Mar 2025 3 -$533 4 VP General Counsel & Secretary 11 Mar 2025, 16:29
MTRN MATERION Corp 01 Mar 2025 5 -$118,460 4 VP General Counsel & Secretary 04 Mar 2025, 17:52
MTRN MATERION Corp 13 Feb 2025 1 $0 4 VP General Counsel & Secretary 18 Feb 2025, 13:54
MTRN MATERION Corp 06 Dec 2024 1 $0 4 VP General Counsel & Secretary 10 Dec 2024, 18:08
MTRN MATERION Corp 07 Nov 2024 2 -$235,134 4 VP General Counsel & Secretary 12 Nov 2024, 08:59
MTRN MATERION Corp 04 Nov 2024 1 -$210,196 4 VP General Counsel & Secretary 06 Nov 2024, 16:51
MTRN MATERION Corp 06 Sep 2024 1 $0 4 VP General Counsel & Secretary 10 Sep 2024, 13:07
MTRN MATERION Corp 08 Aug 2024 1 -$225,740 4 VP General Counsel & Secretary 12 Aug 2024, 16:06
MTRN MATERION Corp 07 Jun 2024 1 $0 4 VP General Counsel & Secretary 10 Jun 2024, 15:48
MTRN MATERION Corp 13 May 2024 3 -$226,621 4 VP General Counsel & Secretary 15 May 2024, 11:51
MTRN MATERION Corp 01 Mar 2024 5 -$661 4 VP General Counsel & Secretary 12 Mar 2024, 16:52
MTRN MATERION Corp 01 Mar 2024 3 -$87,178 4 VP General Counsel & Secretary 05 Mar 2024, 09:29
MTRN MATERION Corp 20 Feb 2024 4 -$401,220 4 VP General Counsel & Secretary 22 Feb 2024, 09:21
MTRN MATERION Corp 17 Feb 2024 4 +$266,904 4 VP General Counsel & Secretary 23 Feb 2024, 13:47
MTRN MATERION Corp 08 Dec 2023 1 $0 4 VP General Counsel & Secretary 12 Dec 2023, 17:43
MTRN MATERION Corp 07 Sep 2023 1 $0 4 VP General Counsel & Secretary 11 Sep 2023, 18:30
MTRN MATERION Corp 28 Aug 2023 3 -$193,910 4 VP General Counsel & Secretary 30 Aug 2023, 15:43
MTRN MATERION Corp 15 Jun 2023 1 $0 4 VP General Counsel & Secretary 21 Jun 2023, 18:51
MTRN MATERION Corp 17 May 2023 1 -$242,683 4 VP General Counsel & Secretary 19 May 2023, 08:42
MTRN MATERION Corp 05 May 2023 7 -$192,567 4 VP General Counsel & Secretary 09 May 2023, 19:44
MTRN MATERION Corp 10 Mar 2023 3 -$321 4 VP General Counsel & Secretary 14 Mar 2023, 19:25
MTRN MATERION Corp 01 Mar 2023 2 $0 4 VP General Counsel & Secretary 03 Mar 2023, 15:39
MTRN MATERION Corp 01 Mar 2023 3 -$24,129 4 VP General Counsel & Secretary 03 Mar 2023, 10:55
MTRN MATERION Corp 23 Feb 2023 2 -$330,000 4 VP General Counsel & Secretary 27 Feb 2023, 14:00
MTRN MATERION Corp 19 Feb 2023 5 -$204,617 4 VP General Counsel & Secretary 22 Feb 2023, 18:41
MTRN MATERION Corp 08 Dec 2022 1 $0 4 VP General Counsel & Secretary 12 Dec 2022, 18:28
MTRN MATERION Corp 08 Sep 2022 1 $0 4 VP General Counsel & Secretary 12 Sep 2022, 17:20
MTRN MATERION Corp 19 Aug 2022 7 -$492,521 4 VP General Counsel & Secretary 23 Aug 2022, 13:53
MTRN MATERION Corp 16 Jun 2022 1 $0 4 VP General Counsel & Secretary 21 Jun 2022, 09:48
MTRN MATERION Corp 13 May 2022 1 -$376,000 4 VP General Counsel & Secretary 16 May 2022, 18:31
MTRN MATERION Corp 11 Mar 2022 1 $0 4 VP General Counsel & Secretary 15 Mar 2022, 15:45
MTRN MATERION Corp 01 Mar 2022 3 $0 4 VP General Counsel & Secretary 02 Mar 2022, 16:28
MTRN MATERION Corp 22 Feb 2022 2 $0 4/A VP General Counsel & Secretary 25 Mar 2022, 15:45
MTRN MATERION Corp 17 Feb 2022 1 $0 4 VP General Counsel & Secretary 23 Feb 2022, 16:06
MTRN MATERION Corp 01 Feb 2022 1 $0 4 VP General Counsel & Secretary 03 Feb 2022, 15:28
MTRN MATERION Corp 03 Dec 2021 1 $0 4 VP General Counsel & Secretary 07 Dec 2021, 14:48
MTRN MATERION Corp 03 Sep 2021 1 $0 4 VP General Counsel & Secretary 08 Sep 2021, 10:03
MTRN MATERION Corp 11 Jun 2021 1 $0 4 VP General Counsel & Secretary 15 Jun 2021, 16:47