CMP — COMPASS MINERALS INTERNATIONAL INC
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
Measured signals that fired on CMP
| date | signal | measured base rate |
|---|---|---|
| 2026-08-06 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-08-06 | Bollinger bandwidth breaks out of its own compression structure | -0.63% over 21 days · t = -2.80 · n = 7,196 statistically distinguishable from its control group |
| 2026-06-29 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-06-05 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-05-29 | Bollinger bandwidth breaks out of its own compression structure | -0.63% over 21 days · t = -2.80 · n = 7,196 statistically distinguishable from its control group |
| 2026-05-06 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-07-28 | Ward Ashley Chief Accounting Officer | Shares withheld for tax | 2.4K | 29.69 | 72.5K |
| 2026-07-28 | Ward Ashley Chief Accounting Officer | Option exercise | 8.3K | 0.00 | 0 |
| 2026-06-30 | Safran David Director | Grant or award | 804 | 0.00 | 0 |
| 2026-06-30 | Reece Joseph E Director | Grant or award | 1.2K | 0.00 | 0 |
| 2026-06-30 | DEALY RICHARD P Director | Grant or award | 944 | 0.00 | 0 |
| 2026-06-24 | Nichols Benjamin S. Chief Commercial Officer | Shares withheld for tax | 747 | 28.66 | 21.4K |
| 2026-06-24 | Nichols Benjamin S. Chief Commercial Officer | Option exercise | 2.5K | 0.00 | 0 |
| 2026-05-18 | Nichols Benjamin S. Chief Commercial Officer | Shares withheld for tax | 195 | 28.97 | 5.6K |
| 2026-05-18 | Nichols Benjamin S. Chief Commercial Officer | Option exercise | 685 | 0.00 | 0 |
| 2026-05-13 | Nichols Benjamin S. Chief Commercial Officer | Shares withheld for tax | 247 | 30.21 | 7.5K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| Koch, Inc. | 164.3M | 7.0M |
| SailingStone Capital Partners LLC | 112.7M | 4.8M |
| BlackRock, Inc. | 66.6M | 2.9M |
| STATE STREET CORP | 54.2M | 2.3M |
| VANGUARD CAPITAL MANAGEMENT LLC | 40.8M | 1.7M |
| Ewing Morris & Co. Investment Partners Ltd. | 40.4M | 2.0M |
| AMERICAN CENTURY COMPANIES INC | 39.2M | 1.7M |
| Engine Capital Management, LP | 33.6M | 1.4M |
| Irenic Capital Management LP | 33.5M | 1.4M |
| Gumshoe Capital Management LLC | 29.5M | 1.3M |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
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