Activist 13D/13G Filings - NATIONAL INSTRUMENTS CORP (NATI)

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
2023-02-14
12:40 pm
Purchase		13GNATL INSTRUMENTS CORP
NATI		T. Rowe Price Investment Management Inc.8,097,540
6.2%		8,097,540increase
(New Position)		View
2023-02-10
11:03 am
Sale		13GNATL INSTRUMENTS CORP
NATI		JANUS HENDERSON GROUP PLC
JHG		8,885,010
6.8%		-986,793decrease
(-10.00%)		View
2023-02-09
11:27 am
Sale		13GNATL INSTRUMENTS CORP
NATI		VANGUARD GROUP INC13,210,667
10.12%		-103,377decrease
(-0.78%)		View
2023-01-24
1:56 pm
Purchase		13GNATL INSTRUMENTS CORP
NATI		BlackRock Inc.
BLK		12,045,874
9.2%		827,072increase
(+7.37%)		View
2022-11-10
11:21 am
Purchase		13GNATL INSTRUMENTS CORP
NATI		VANGUARD GROUP INC13,314,044
10.2%		1,395,846increase
(+11.71%)		View
2022-08-10
2:56 pm
Sale		13GNATL INSTRUMENTS CORP
NATI		PRICE T ROWE ASSOCIATES INC6,447,173
4.8%		-12,531,147decrease
(-66.03%)		View
2022-02-14
2:34 pm
Sale		13GNATL INSTRUMENTS CORP
NATI		PRICE T ROWE ASSOCIATES INC18,978,320
14.3%		-1,891,122decrease
(-9.06%)		View
2022-02-10
4:43 pm
Purchase		13GNATL INSTRUMENTS CORP
NATI		JANUS HENDERSON GROUP PLC
JHG		9,871,803
7.5%		462,647increase
(+4.92%)		View
2022-02-10
08:27 am
Purchase		13GNATL INSTRUMENTS CORP
NATI		VANGUARD GROUP INC11,918,198
9.04%		331,820increase
(+2.86%)		View
2022-02-01
5:14 pm
Sale		13GNATL INSTRUMENTS CORP
NATI		BlackRock Inc.
BLK		11,218,802
8.5%		-1,442,700decrease
(-11.39%)		View
2021-02-16
12:23 pm
Purchase		13GNATL INSTRUMENTS CORP
NATI		PRICE T ROWE ASSOCIATES INC20,869,442
15.9%		3,165,345increase
(+17.88%)		View
2021-02-11
4:51 pm
Sale		13GNATL INSTRUMENTS CORP
NATI		JANUS HENDERSON GROUP PLC
JHG		9,409,156
7.2%		-302,313decrease
(-3.11%)		View
2021-02-10
11:28 am
Sale		13GNATL INSTRUMENTS CORP
NATI		VANGUARD GROUP INC11,586,378
8.83%		-384,174decrease
(-3.21%)		View
2021-01-29
5:22 pm
Sale		13GNATL INSTRUMENTS CORP
NATI		BlackRock Inc.
BLK		12,661,502
9.6%		-1,125,015decrease
(-8.16%)		View
2020-02-14
2:03 pm
Sale		13GNATL INSTRUMENTS CORP
NATI		James J. Truchard Marital Trust7,770,347
5.95%		-3,000,000decrease
(-27.85%)		View
2020-02-14
1:29 pm
Purchase		13GNATL INSTRUMENTS CORP
NATI		PRICE T ROWE ASSOCIATES INC17,704,097
13.5%		3,208,466increase
(+22.13%)		View
2020-02-13
4:08 pm
Sale		13GNATL INSTRUMENTS CORP
NATI		JANUS HENDERSON GROUP PLC
JHG		9,711,469
7.4%		-1,441,859decrease
(-12.93%)		View
2020-02-12
08:02 am
Purchase		13GNATL INSTRUMENTS CORP
NATI		VANGUARD GROUP INC11,970,552
9.13%		334,171increase
(+2.87%)		View
2020-02-04
12:16 pm
Sale		13GNATL INSTRUMENTS CORP
NATI		BlackRock Inc.
BLK		13,786,517
10.5%		-175,363decrease
(-1.26%)		View
2019-09-10
12:13 pm
Purchase		13GNATL INSTRUMENTS CORP
NATI		PRICE T ROWE ASSOCIATES INC14,495,631
10.9%		6,275,919increase
(+76.35%)		View
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