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Ownership Document |
Schema Version: X0306 |
Document Type: 4 |
Period of Report: 1/15/20 |
Issuer: |
| Issuer CIK: 1102934 |
| Issuer Name: CABOT MICROELECTRONICS CORP |
| Issuer Trading Symbol: CCMP |
Reporting Owner: |
| Reporting Owner ID: |
| | Owner CIK: 1581168 |
| | Owner Name: Beamer Scott D |
| Reporting Owner Address: |
| | Owner Street 1: 870 N. COMMONS DR. |
| | Owner Street 2: |
| | Owner City: AURORA |
| | Owner State: IL |
| | Owner ZIP Code: 60504 |
| | Owner State Description: |
| Reporting Owner Relationship: |
| | Is Officer? Yes |
| | Officer Title: Vice President and CFO |
Non-Derivative Table: |
| Non-Derivative Transaction: |
| | Security Title: |
| | | Value: Common Stock |
| | Transaction Date: |
| | | Value: 1/15/20 |
| | Transaction Coding: |
| | | Transaction Form Type: 4 |
| | | Transaction Code: F |
| | | Equity Swap Involved? No |
| | | Footnote ID: F1 |
| | Transaction Timeliness: |
| | Transaction Amounts: |
| | | Transaction Shares: |
| Value: 1,138 |
| | | Transaction Price Per Share: |
| Value: 153.54 |
| | | Transaction Acquired-Disposed Code: |
| Value: D |
| | Post-Transaction Amounts: |
| | | Shares Owned Following Transaction: |
| Value: 17,412.294 |
| | Ownership Nature: |
| | | Direct or Indirect Ownership: |
| Value: D |
Footnotes: |
| Footnote - F1: Withheld to cover for tax purposes as per terms of Omnibus Incentive Plan. |
Owner Signature: |
| Signature Name: /s/ H. Carol Bernstein (Power of Attorney) |
| Signature Date: 1/16/20 |