CMP

COMPASS MINERALS INTERNATIONAL INC

Mining & Quarrying of Nonmetallic Minerals (No Fuels)NYSEAccelerated filer

Total Trades

15

Buys

13

Sells

1

Largest Trade

N/A

Insiders

7

Institutional Funds

156

Inst. Value

$1M+

Activist Filings

28

Insider Trades

InsiderTitleTypeValueSharesPriceDate
Reece Joseph EDirectorBUY$15K–$50K5K$9.68Mar 27, 2025
Reece Joseph EDirectorBUY$100K–$500K5K$21.24Jan 24, 2024
Standen James D.Chief Commercial O…BUY$50K–$100K4K$26.85Sep 22, 2023
Standen James D.Chief Commercial O…EXERCISEN/A8KJan 18, 2023
Standen James D.Chief Commercial O…SELL$100K–$500K8K$46.16Jan 18, 2023
Crutchfield Kevin SPresident and CEOBUY$15K–$50K1K$34.21Jun 21, 2022
Crutchfield Kevin SPresident and CEOBUY$15K–$50K1K$37.48Jun 16, 2022
Frontczak Mary LChief Legal & Admi…BUY$15K–$50K1K$37.03Jun 16, 2022
Reece Joseph EDirectorBUY$100K–$500K5K$33.41Jun 16, 2022
Standen James D.Chief Commercial O…BUY$50K–$100K2K$32.15Jun 16, 2022
Yoder AmyDirectorBUY$1K–$15K250$42.36May 17, 2022
WALKER LORI ADirectorBUY$15K–$50K600$43.71May 17, 2022
Crenshaw LorinCFOBUY$100K–$500K3K$43.20May 12, 2022
Crutchfield Kevin SPresident and CEOBUY$100K–$500K3K$43.81May 12, 2022
Reece Joseph EDirectorBUY$100K–$500K5K$42.98May 12, 2022
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Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

STATE STREET CORPORATION

SC 13G · Feb 9, 2026

4.9%

2.0M shares

M Partners Fund LP

SC 13G · Nov 18, 2025

5.5%

2.3M shares

STATE STREET CORPORATION

SC 13G · Nov 10, 2025

5.5%

2.3M shares

The Vanguard Group

SC 13G/A · Oct 30, 2025

6.7%

2.8M shares

Gumshoe Capital Management LLC

SC 13G/A · Aug 14, 2025

3.2%

1.3M shares

BlackRock, Inc.

SC 13G/A · Jul 17, 2025

8.2%

3.4M shares

BlackRock, Inc.

SC 13G/A · Apr 28, 2025

9.8%

4.1M shares

Gumshoe Capital Management LLC

SC 13G · Apr 28, 2025

5.0%

2.1M shares

The Vanguard Group

SC 13G/A · Jan 31, 2025

5.4%

2.3M shares

The Vanguard Group

SC 13G/A · Nov 12, 2024

7.6%

3.2M shares

BlackRock, Inc.

SC 13G/A · Nov 8, 2024

11.7%

4.8M shares

The Vanguard Group

SC 13G/A · Nov 4, 2024

7.6%

3.2M shares

BlackRock, Inc.

SC 13G/A · Oct 23, 2024

11.7%

4.8M shares

STATE STREET CORPORATION 04-2456637

SC 13G/A · Oct 17, 2024

1.9%

795K shares

SailingStone Capital Partners LLC

SC 13G/A · Sep 19, 2024

11.6%

4.8M shares

SailingStone Capital Partners LLC

SC 13G · Sep 16, 2024

6.5%

2.7M shares

Koch Industries, LLC 2

SC 13D/A · Aug 3, 2024

0.0%

0 shares

The Vanguard Group - 23-1945930

SC 13G/A · Feb 13, 2024

10.7%

4.4M shares

BlackRock, Inc.

SC 13G/A · Jan 22, 2024

14.8%

6.1M shares

The Vanguard Group - 23-1945930

SC 13G/A · Apr 10, 2023

11.0%

4.5M shares

BlackRock, Inc.

SC 13G/A · Jan 26, 2023

14.3%

5.9M shares

BlackRock, Inc.

SC 13G/A · Jan 20, 2023

14.3%

5.9M shares

KM&T Investment Holdings, LLC

SC 13D · Oct 21, 2022

17.2%

7.0M shares

BlackRock, Inc.

SC 13G · Jun 9, 2022

16.5%

5.6M shares

BlackRock, Inc.

SC 13G/A · Jan 28, 2022

11.3%

3.9M shares

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