13D/13G Filings - GIBRALTAR STEEL CORP (ROCK)

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 have beem 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
What is insider trading>>
Time period
Goto 0, 1, Next
Reported
DateTime
Transaction
Date
Type Company
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev Report View
2025-04-07
11:51 am
Purchase
2025-03-31 13G Gibraltar Industries, Inc.
ROCK
The Vanguard Group 2,995,655
10.090%
175,741increase
(+6.23%)
Filing
History
2025-02-10
10:25 am
Purchase
2024-12-31 13G Gibraltar Industries, Inc.
ROCK
WELLINGTON MANAGEMENT CO LLP 1,541,070
5.100%
499,499increase
(+47.96%)
Filing
History
2024-02-16
4:57 pm
Sale
2023-12-31 13G Gibraltar Industries, Inc.
ROCK
T. Rowe Price Investment Management, Inc. 404,968
1.300%
-215,778decrease
(-34.76%)
Filing
History
2024-02-14
10:04 am
Sale
2023-12-31 13G Gibraltar Industries, Inc.
ROCK
T. Rowe Price Investment Management, Inc. 620,746
1.300%
-1,359,692decrease
(-68.66%)
Filing
History
2024-02-13
5:06 pm
Sale
2023-12-29 13G Gibraltar Industries, Inc.
ROCK
The Vanguard Group 2,819,914
9.260%
-364decrease
(-0.01%)
Filing
History
2024-02-09
09:59 am
Purchase
2024-02-14 13G Gibraltar Industries, Inc.
ROCK
DIMENSIONAL FUND ADVISORS INC 1,784,122
5.900%
20,036increase
(+1.14%)
Filing
History
2024-02-08
10:21 am
Sale
2023-12-29 13G Gibraltar Industries, Inc.
ROCK
WELLINGTON MANAGEMENT CO LLP 1,041,571
3.420%
-510,455decrease
(-32.89%)
Filing
History
2024-01-19
2:40 pm
Sale
2023-12-31 13G Gibraltar Industries, Inc.
ROCK
BLACKROCK INC
BLK
5,430,605
17.800%
-47,307decrease
(-0.86%)
Filing
History
2023-02-14
12:40 pm
Purchase
2022-12-31 13G Gibraltar Industries, Inc.
ROCK
T. Rowe Price Investment Management, Inc. 1,980,438
6.400%
1,980,438increase
(New Position)
Filing
History
2023-02-14
12:37 pm
Sale
2022-12-31 13G Gibraltar Industries, Inc.
ROCK
PRICE T ROWE ASSOCIATES INC 220,055
0.700%
-2,816,563decrease
(-92.75%)
Filing
History
2023-02-10
2:42 pm
Purchase
2023-02-14 13G Gibraltar Industries, Inc.
ROCK
DIMENSIONAL FUND ADVISORS INC 1,764,086
5.700%
262,542increase
(+17.48%)
Filing
History
2023-02-09
11:19 am
Purchase
2022-12-30 13G Gibraltar Industries, Inc.
ROCK
The Vanguard Group 2,820,278
9.110%
24,052increase
(+0.86%)
Filing
History
2023-02-06
3:00 pm
Purchase
2022-12-30 13G Gibraltar Industries, Inc.
ROCK
WELLINGTON MANAGEMENT CO LLP 1,552,026
5.010%
1,552,026increase
(New Position)
Filing
History
2023-01-26
08:52 am
Unchanged
2022-12-31 13G Gibraltar Industries, Inc.
ROCK
BLACKROCK INC
BLK
5,477,912
17.700%
0
(Unchanged)
Filing
History
2023-01-20
3:00 pm
Purchase
2022-12-31 13G Gibraltar Industries, Inc.
ROCK
BLACKROCK INC
BLK
5,477,912
17.700%
287,411increase
(+5.54%)
Filing
History
2022-02-14
2:34 pm
Sale
2021-12-31 13G Gibraltar Industries, Inc.
ROCK
PRICE T ROWE ASSOCIATES INC 3,036,618
9.200%
-129,925decrease
(-4.10%)
Filing
History
2022-02-10
08:11 am
Purchase
2021-12-31 13G Gibraltar Industries, Inc.
ROCK
The Vanguard Group 2,796,226
8.560%
714,213increase
(+34.30%)
Filing
History
2022-02-08
3:53 pm
Sale
2022-02-14 13G Gibraltar Industries, Inc.
ROCK
DIMENSIONAL FUND ADVISORS INC 1,501,544
4.600%
-219,299decrease
(-12.74%)
Filing
History
2022-01-27
1:59 pm
Unchanged
2021-12-31 13G Gibraltar Industries, Inc.
ROCK
BLACKROCK INC
BLK
5,190,501
15.900%
0
(Unchanged)
Filing
History
2022-01-25
6:45 pm
Sale
2021-12-31 13G Gibraltar Industries, Inc.
ROCK
BLACKROCK INC
BLK
5,190,501
15.900%
-4,684decrease
(-0.09%)
Filing
History
Goto 0, 1, Next