Activist 13D/13G Filings - MATERION Corp (MTRN)

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Reported
DateTime		TypeCompany
Symbol		Filed By
Symbol		Shares Owned
% Owned		Shares Vs. Prev ReportFiling
2024-02-13
5:09 pm
Purchase		13GMATERION CORPORATION
MTRN		VANGUARD GROUP INC2,541,196
12.31%		193,992increase
(+8.26%)		View
2024-02-09
5:49 pm
Purchase		13GMATERION CORPORATION
MTRN		Capital Research Global Investors1,347,538
6.5%		257,716increase
(+23.65%)		View
2024-02-09
09:59 am
Sale		13GMATERION CORPORATION
MTRN		DIMENSIONAL FUND ADVISORS LP1,222,472
5.9%		-59,399decrease
(-4.63%)		View
2024-01-22
2:03 pm
Purchase		13GMATERION CORPORATION
MTRN		BlackRock Inc.
BLK		3,382,645
16.4%		61,586increase
(+1.85%)		View
2023-02-13
3:32 pm
Purchase		13GMATERION CORPORATION
MTRN		Capital Research Global Investors1,089,822
5.3%		1,089,822increase
(New Position)		View
2023-02-10
2:42 pm
Sale		13GMATERION CORPORATION
MTRN		DIMENSIONAL FUND ADVISORS LP1,281,871
6.2%		-4,603decrease
(-0.36%)		View
2023-02-09
11:25 am
Purchase		13GMATERION CORPORATION
MTRN		VANGUARD GROUP INC2,347,204
11.43%		141,260increase
(+6.40%)		View
2023-01-26
08:52 am
Unchanged		13GMATERION CORPORATION
MTRN		BlackRock Inc.
BLK		3,321,059
16.2%		0
(Unchanged)		View
2023-01-20
5:17 pm
Sale		13GMATERION CORPORATION
MTRN		BlackRock Inc.
BLK		3,321,059
16.2%		-64,346decrease
(-1.90%)		View
2022-02-10
08:22 am
Purchase		13GMATERION CORPORATION
MTRN		VANGUARD GROUP INC2,205,944
10.79%		117,348increase
(+5.62%)		View
2022-02-09
1:38 pm
Sale		13GMATERION CORPORATION
MTRN		STATE STREET CORP
STT		849,646
4.16%		-246,329decrease
(-22.48%)		View
2022-02-08
3:52 pm
Sale		13GMATERION CORPORATION
MTRN		DIMENSIONAL FUND ADVISORS LP1,286,474
6.3%		-161,105decrease
(-11.13%)		View
2022-01-28
2:07 pm
Sale		13GMATERION CORPORATION
MTRN		BlackRock Inc.
BLK		3,385,405
16.6%		-23,902decrease
(-0.70%)		View
2021-02-12
5:13 pm
Sale		13GMATERION CORPORATION
MTRN		DIMENSIONAL FUND ADVISORS LP1,447,579
7.1%		-185,856decrease
(-11.38%)		View
2021-02-10
1:11 pm
Purchase		13GMATERION CORPORATION
MTRN		STATE STREET CORP
STT		1,095,975
5.39%		1,095,975increase
(New Position)		View
2021-02-10
11:22 am
Sale		13GMATERION CORPORATION
MTRN		VANGUARD GROUP INC2,088,596
10.27%		-67,867decrease
(-3.15%)		View
2021-01-25
4:49 pm
Sale		13GMATERION CORPORATION
MTRN		BlackRock Inc.
BLK		3,409,307
16.8%		-161,963decrease
(-4.54%)		View
2020-02-12
11:25 am
Sale		13GMATERION CORPORATION
MTRN		DIMENSIONAL FUND ADVISORS LP1,633,435
8.01%		-39,628decrease
(-2.37%)		View
2020-02-11
7:24 pm
Sale		13GMATERION CORPORATION
MTRN		VANGUARD GROUP INC2,156,463
10.56%		-10,309decrease
(-0.48%)		View
2020-02-04
12:15 pm
Purchase		13GMATERION CORPORATION
MTRN		BlackRock Inc.
BLK		3,571,270
17.5%		479,855increase
(+15.52%)		View
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