COMPASS MINERALS INTERNATIONAL INC (CMP) - 13D/13G Filings

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
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Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-03-26
5:39 pm
Sale
2026-03-1313GCOMPASS MINERALS INTERNATIONAL
CMP
VANGUARD GROUP INC0
0.000%
-2,775,116decrease
(Position Closed)
Filing
History
2026-02-09
06:29 am
Sale
2025-12-3113GCOMPASS MINERALS INTERNATIONAL
CMP
STATE STREET CORP
STT
2,049,285
4.900%
-256,505decrease
(-11.12%)
Filing
History
2025-11-18
4:59 pm
Purchase
2025-11-1113GCOMPASS MINERALS INTERNATIONAL
CMP
M Partners Fund LP2,289,834
5.490%
2,289,834increase
(New Position)
Filing
History
2025-11-10
08:23 am
Purchase
2025-09-3013GCOMPASS MINERALS INTERNATIONAL
CMP
STATE STREET CORP
STT
2,305,790
5.500%
1,511,145increase
(+190.17%)
Filing
History
2025-10-30
2:54 pm
Purchase
2025-09-3013GCOMPASS MINERALS INTERNATIONAL
CMP
VANGUARD GROUP INC2,775,116
6.650%
516,771increase
(+22.88%)
Filing
History
2025-08-14
1:01 pm
Sale
2025-06-3013GCOMPASS MINERALS INTERNATIONAL
CMP
Gumshoe Capital Management LLC1,324,134
3.200%
-765,803decrease
(-36.64%)
Filing
History
2025-07-17
7:54 pm
Sale
2025-06-3013GCOMPASS MINERALS INTERNATIONAL
CMP
BlackRock Inc.
BLK
3,424,541
8.200%
-663,605decrease
(-16.23%)
Filing
History
2025-04-28
7:14 pm
Sale
2025-03-3113GCOMPASS MINERALS INTERNATIONAL
CMP
BlackRock Inc.
BLK
4,088,146
9.800%
-751,638decrease
(-15.53%)
Filing
History
2025-04-28
6:33 pm
Purchase
2025-04-2113GCOMPASS MINERALS INTERNATIONAL
CMP
Gumshoe Capital Management LLC2,089,937
5.000%
2,089,937increase
(New Position)
Filing
History
2025-01-30
9:35 pm
Sale
2024-12-3113GCOMPASS MINERALS INTERNATIONAL
CMP
VANGUARD GROUP INC2,258,345
5.440%
-898,869decrease
(-28.47%)
Filing
History
2024-11-12
2:33 pm
Unchanged
2024-09-3013GCOMPASS MINERALS INTERNATIONAL
CMP
VANGUARD GROUP INC3,157,214
7.630%
0
(Unchanged)
Filing
History
2024-11-08
2:17 pm
Unchanged
2024-09-3013GCOMPASS MINERALS INTERNATIONAL
CMP
BlackRock Inc.
BLK
4,839,784
11.700%
0
(Unchanged)
Filing
History
2024-11-04
10:23 am
Sale
2024-09-3013GCOMPASS MINERALS INTERNATIONAL
CMP
VANGUARD GROUP INC3,157,214
7.630%
-1,261,515decrease
(-28.55%)
Filing
History
2024-10-23
5:04 pm
Sale
2024-09-3013GCOMPASS MINERALS INTERNATIONAL
CMP
BlackRock Inc.
BLK
4,839,784
11.700%
-1,253,259decrease
(-20.57%)
Filing
History
2024-10-17
12:39 pm
Sale
2024-09-3013GCOMPASS MINERALS INTERNATIONAL
CMP
STATE STREET CORP
STT
794,645
1.900%
-1,806,412decrease
(-69.45%)
Filing
History
2024-09-19
2:32 pm
Purchase
2024-08-2813GCOMPASS MINERALS INTERNATIONAL
CMP
SailingStone Capital Partners LLC4,772,073
11.550%
2,100,723increase
(+78.64%)
Filing
History
2024-09-16
08:27 am
Purchase
2024-07-3113GCOMPASS MINERALS INTERNATIONAL
CMP
SailingStone Capital Partners LLC2,671,350
6.460%
2,671,350increase
(New Position)
Filing
History
2024-08-02
8:34 pm
Unchanged
2024-08-0113DCOMPASS MINERALS INTERNATIONAL
CMP
KM&T Investment Holdings LLC7,034,609
17.020%
0
(Unchanged)
Filing
History
2024-02-13
5:02 pm
Sale
2023-12-2913GCOMPASS MINERALS INTERNATIONAL
CMP
VANGUARD GROUP INC4,418,729
10.720%
-94,699decrease
(-2.10%)
Filing
History
2024-01-25
10:40 am
Purchase
2023-12-3113GCOMPASS MINERALS INTERNATIONAL
CMP
STATE STREET CORP
STT
2,601,057
6.310%
534,433increase
(+25.86%)
Filing
History
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