John R. Doubman

Companies

• Dynamic Materials CorporationBoard member Jun 26, 2025 to now¹
• Cabot CorporationSenior Vice President Oct 10, 2018 to Oct 2, 2019²

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Cabot Corporation CBT28,207 shares³$2.1M at $73.46Mar 15, 2019
• Dynamic Materials Corporation BOOM31,396 shares⁴$162.7K at $5.18May 13, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• May 13, 2026Granted 16,937 shares of Dynamic Materials Corporation⁴
• Jun 25, 2025Granted 14,459 shares of Dynamic Materials Corporation⁵
• Mar 14, 2019I 294 shares at $12.30 of Cabot Corporation³
• Mar 13, 2019I 6,248 shares of Cabot Corporation³
• Nov 20, 2018Shares withheld for tax 1,401 shares at $48.00 of Cabot Corporation⁶
• Nov 19, 2018Granted 5,599 shares of Cabot Corporation⁶
• Nov 12, 2018Shares withheld for tax 970 shares at $48.45 of Cabot Corporation⁷
• Nov 9, 2018Granted 3,600 shares of Cabot Corporation⁸