Stocks › CMP
COMPASS MINERALS INTERNATIONAL INC
CMP·NYSE·
United States·USD
United States·USD$22.57
-0.13 (-0.57%)
Close · Oct 7, 2026 · Close Prices from Tiingo.com
CMP
COMPASS MINERALS INTERNATIONAL INC · NYSE
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
CMPS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of CMP by members of U.S. Congress · 11 on record
Whale Activity
Position changes in CMP reported for 2026-06-30 by 8 tracked institutional filers
- Increased5
- New0
- Held0
- Decreased2
- Closed1
- No prior filing0
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 3.1M | $95.8M | increased |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.8M | $55.3M | increased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 698.3K | $21.7M | increased |
| D. E. Shaw & Co., Inc. | 177.4K | $5.5M | increased |
| MILLENNIUM MANAGEMENT LLC | 164.3K | $5.1M | increased |
| TWO SIGMA INVESTMENTS, LP | 33.6K | $1.0M | decreased |
| RENAISSANCE TECHNOLOGIES LLC | 15.7K | $489K | decreased |
| Citadel Advisors LLC | 0 | $0 | closed |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by CMP insiders, by quarter · Form 4
Recent Insider Transactions
1,774 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Nichols Benjamin S.Chief Commercial Officer | Tax withholding | −747 | $28.66 | $21K | Jun 24, 2026 | Form 4 ↗ |
| Nichols Benjamin S.Chief Commercial Officer | Option exercise | +2,542 | $0.00 | $0 | Jun 24, 2026 | Form 4 ↗ |
| Nichols Benjamin S.Chief Commercial Officer | Tax withholding | −195 | $28.97 | $6K | May 18, 2026 | Form 4 ↗ |
| Nichols Benjamin S.Chief Commercial Officer | Option exercise | +685 | $0.00 | $0 | May 18, 2026 | Form 4 ↗ |
| Nichols Benjamin S.Chief Commercial Officer | Tax withholding | −247 | $30.21 | $7K | May 13, 2026 | Form 4 ↗ |
| Nichols Benjamin S.Chief Commercial Officer | Option exercise | +737 | $0.00 | $0 | May 13, 2026 | Form 4 ↗ |
| Safran DavidDirector | Grant / award | +1,071 | $0.00 | $0 | Mar 31, 2026 | Form 4 ↗ |
| Reece Joseph EDirector | Grant / award | +1,816 | $0.00 | $0 | Mar 31, 2026 | Form 4 ↗ |
| DEALY RICHARD PDirector | Grant / award | +1,259 | $0.00 | $0 | Mar 31, 2026 | Form 4 ↗ |
| Joyce Gareth TDirector | Option exercise | +11.9K | $0.00 | $0 | Mar 5, 2026 | Form 4 ↗ |
| Miller Melissa MDirector | Option exercise | +11.9K | $0.00 | $0 | Mar 5, 2026 | Form 4 ↗ |
| Reece Joseph EDirector | Option exercise | +22.3K | $0.00 | $0 | Mar 5, 2026 | Form 4 ↗ |
| WALKER LORI ADirector | Option exercise | +11.9K | $0.00 | $0 | Mar 5, 2026 | Form 4 ↗ |
| DEALY RICHARD PDirector | Option exercise | +11.9K | $0.00 | $0 | Mar 5, 2026 | Form 4 ↗ |
| Merrin Patrick JamesChief Operations Officer | Tax withholding | −5,003 | $24.68 | $123K | Mar 3, 2026 | Form 4 ↗ |
| Merrin Patrick JamesChief Operations Officer | Option exercise | +18.5K | $0.00 | $0 | Mar 3, 2026 | Form 4 ↗ |
| Fjellman PeterChief Financial Officer | Tax withholding | −2,720 | $25.90 | $70K | Jan 28, 2026 | Form 4 ↗ |
| Fjellman PeterChief Financial Officer | Option exercise | +8,321 | $0.00 | $0 | Jan 28, 2026 | Form 4 ↗ |
| DOWLING EDWARD CPresident and CEO · Director | Tax withholding | −6,878 | $23.29 | $160K | Jan 18, 2026 | Form 4 ↗ |
| DOWLING EDWARD CPresident and CEO · Director | Option exercise | +22.4K | $0.00 | $0 | Jan 18, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding CMP · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| Victory Global Energy Transition Fund Victory Portfolios | 2.0M | $60.8M | 9.86% | Jun 30, 2026 |
| Avantis U.S. Small Cap Value ETF American Century ETF Trust | 1.7M | $53.8M | 0.20% | May 31, 2026 |
| State Street(R) SPDR(R) S&P(R) Metals & Mining ETF SPDR SERIES TRUST | 1.6M | $49.4M | 1.13% | Jun 30, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 1.3M | $41.5M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 ETF iShares Trust | 834.0K | $26.0M | 0.03% | Jun 30, 2026 |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 399.7K | $12.4M | 0.01% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund Fidelity Salem Street Trust | 349.0K | $10.2M | 0.03% | Jul 31, 2026 |
| Hennessy Cornerstone Growth Fund Hennessy Funds Trust | 345.5K | $10.1M | 2.09% | Jul 31, 2026 |
| iShares Russell 2000 Growth ETF iShares Trust | 301.4K | $9.4M | 0.06% | Jun 30, 2026 |
| Schwab Fundamental U.S. Small Company ETF SCHWAB STRATEGIC TRUST | 278.8K | $8.9M | 0.10% | May 31, 2026 |
Mutual funds and ETFs whose N-PORT filings list CMP's shares (CUSIP 20451N101), each fund at its latest report since Mar 8, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
- STATE STREET CORPORATIONSCHEDULE 13G · passive (13G) · 2.3M shares5.5%
May 12, 2026 · ↗
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming compass minerals international as client
- BALLARD PARTNERSCOMPASS MINERALS INTERNATIONAL, INC. · 2026 Q3 · TRD, TAR—
Filing ↗
Government Contracts
Federal awards to COMPASS MINERALS INTERNATIONAL INC · USAspending
No federal contract awards found for COMPASS MINERALS INTERNATIONAL INC.
U.S. Patents
Recent USPTO applications naming COMPASS MINERALS INTERNATIONAL INC
No USPTO patent applications found for COMPASS MINERALS INTERNATIONAL INC.
Annual Financials
From CMP's 10-K filings · XBRL
No annual XBRL figures on record for CMP. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
No stock splits in CMP's price history.
About COMPASS MINERALS INTERNATIONAL INC
From SEC EDGAR company records
Industry (SIC 1400)Mining & Quarrying of Nonmetallic Minerals (No Fuels)
SectorMaterials
HeadquartersOVERLAND PARK, KS
IncorporatedDE
SEC CIK0001227654 ↗
Former namesSALT HOLDINGS CORP