Kalkstein Hobart has filed 55 insider transactions across 1 company since December 2022.
Most recent transaction: a grant/award of 61 shares of CABOT CORP ($CBT) on June 13, 2025.
Activity breakdown: 0 open-market purchases and 12 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| June 13, 2025 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | A | Phantom Stock Units | 62 | $74.72 | 10,356.1825 | 55,000,000 | 0.60% | 0.00% |
| March 14, 2025 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | A | Phantom Stock Units | 53 | $83.31 | 10,294.1859 | 55,000,000 | 0.52% | 0.00% |
| Dec. 31, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | A | Phantom Stock Units | 697 | $91.31 | 10,241.3259 | 55,700,000 | 7.30% | 0.00% |
| Dec. 13, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | A | Phantom Stock Units | 40 | $103.38 | 9,544.6865 | 55,700,000 | 0.42% | 0.00% |
| Nov. 18, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | A | Common Stock | 8610 | $0.00 | 64,096.7380 | 55,700,000 | 15.52% | 0.02% |
| Nov. 18, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | F | Common Stock | 3765 | $108.82 | 60,331.7380 | 55,700,000 | 5.87% | 0.01% |
| Nov. 8, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | A | Common Stock | 3130 | $0.00 | 71,980.7380 | 55,700,000 | 4.55% | 0.01% |
| Nov. 11, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | S | Common Stock | 14191 | $115.54 | 57,789.7380 | 55,700,000 | 19.72% | 0.03% |
| Nov. 11, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | M | Common Stock | 12178 | $58.27 | 69,967.7380 | 55,700,000 | 21.07% | 0.02% |
| Nov. 11, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | S | Common Stock | 12178 | $115.00 | 57,789.7380 | 55,700,000 | 17.41% | 0.02% |
| Nov. 11, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | M | Common Stock | 8390 | $73.84 | 66,179.7380 | 55,700,000 | 14.52% | 0.02% |
| Nov. 11, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | S | Common Stock | 8390 | $115.02 | 57,789.7380 | 55,700,000 | 12.68% | 0.02% |
| Nov. 12, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | F | Common Stock | 2303 | $112.54 | 55,486.7380 | 55,700,000 | 3.99% | 0.00% |
| Nov. 8, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | A | Employee Stock Option (Right to Buy) | 9341 | $0.00 | 9,341.0000 | 55,700,000 | 9999.99% | 0.02% |
| Nov. 11, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | M | Employee Stock Option (Right to Buy) | 12178 | $0.00 | 8,119.0000 | 55,700,000 | 60.00% | 0.02% |
| Nov. 11, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | M | Employee Stock Option (Right to Buy) | 8390 | $0.00 | 5,594.0000 | 55,700,000 | 60.00% | 0.02% |
| Sept. 30, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | A | Phantom Stock Units | 73 | $111.77 | 9,505.1506 | 55,800,000 | 0.77% | 0.00% |
| Sept. 13, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | A | Phantom Stock Units | 39 | $104.75 | 9,432.6099 | 55,800,000 | 0.41% | 0.00% |
| Aug. 19, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | M | Common Stock | 14863 | $40.97 | 83,671.9652 | 55,800,000 | 21.60% | 0.03% |
| Aug. 19, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | S | Common Stock | 14863 | $100.91 | 68,808.9652 | 55,800,000 | 17.76% | 0.03% |
| Aug. 20, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | M | Common Stock | 4379 | $40.97 | 73,187.9652 | 55,800,000 | 6.36% | 0.01% |
| Aug. 20, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | S | Common Stock | 4379 | $100.93 | 68,808.9652 | 55,800,000 | 5.98% | 0.01% |
| Aug. 20, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | M | Common Stock | 1078 | $40.97 | 69,886.9652 | 55,800,000 | 1.57% | 0.00% |
| Aug. 20, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | S | Common Stock | 1078 | $99.16 | 68,808.9652 | 55,800,000 | 1.54% | 0.00% |
| Aug. 19, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | M | Employee Stock Option (Right to Buy) | 14863 | $0.00 | 5,457.0000 | 55,800,000 | 73.14% | 0.03% |
| Aug. 20, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | M | Employee Stock Option (Right to Buy) | 4379 | $0.00 | 1,078.0000 | 55,800,000 | 80.25% | 0.01% |
| Aug. 20, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | M | Employee Stock Option (Right to Buy) | 1078 | $0.00 | 0.0000 | 55,800,000 | 100.00% | 0.00% |
| June 14, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | A | Phantom Stock Units | 41 | $97.00 | 9,394.0472 | 56,500,000 | 0.44% | 0.00% |
| May 15, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | M | Common Stock | 187 | $40.97 | 68,981.6132 | 56,500,000 | 0.27% | 0.00% |
| May 15, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | S | Common Stock | 187 | $103.00 | 68,794.6132 | 56,500,000 | 0.27% | 0.00% |
| May 16, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | M | Common Stock | 12000 | $40.97 | 80,794.6132 | 56,500,000 | 17.44% | 0.02% |
| May 16, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | S | Common Stock | 12000 | $101.55 | 68,794.6132 | 56,500,000 | 14.85% | 0.02% |
| May 15, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | M | Employee Stock Option (Right to Buy) | 187 | $0.00 | 32,320.0000 | 56,500,000 | 0.58% | 0.00% |
| May 16, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | M | Employee Stock Option (Right to Buy) | 12000 | $0.00 | 20,320.0000 | 56,500,000 | 37.13% | 0.02% |
| March 7, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | S | Common Stock | 7648 | $88.01 | 68,765.8930 | 56,500,000 | 10.01% | 0.01% |
| March 8, 2024 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | A | Phantom Stock Units | 43 | $87.11 | 9,352.5872 | 56,500,000 | 0.46% | 0.00% |
| Dec. 29, 2023 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | A | Phantom Stock Units | 559 | $83.50 | 9,309.8374 | 56,500,000 | 6.39% | 0.00% |
| Dec. 8, 2023 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | A | Phantom Stock Units | 45 | $77.78 | 8,750.5056 | 56,500,000 | 0.51% | 0.00% |
| Nov. 20, 2023 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | A | Common Stock | 7140 | $0.00 | 83,822.9100 | 56,500,000 | 9.31% | 0.01% |
| Nov. 20, 2023 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | F | Common Stock | 7435 | $77.89 | 76,387.9100 | 56,500,000 | 8.87% | 0.01% |
| Nov. 10, 2023 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | M | Common Stock | 24475 | $50.00 | 99,909.9100 | 56,500,000 | 32.45% | 0.04% |
| Nov. 10, 2023 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | S | Common Stock | 24475 | $73.87 | 75,434.9100 | 56,500,000 | 24.50% | 0.04% |
| Nov. 10, 2023 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | M | Common Stock | 26217 | $50.23 | 101,651.9100 | 56,500,000 | 34.75% | 0.05% |
| Nov. 10, 2023 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | S | Common Stock | 26217 | $73.94 | 75,434.9100 | 56,500,000 | 25.79% | 0.05% |
| Nov. 10, 2023 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | A | Common Stock | 4435 | $0.00 | 79,869.9100 | 56,500,000 | 5.88% | 0.01% |
| Nov. 13, 2023 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | F | Common Stock | 3187 | $74.08 | 76,682.9100 | 56,500,000 | 3.99% | 0.01% |
| Nov. 10, 2023 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | A | Employee Stock Option (Right to Buy) | 14040 | $0.00 | 14,040.0000 | 56,500,000 | 9999.99% | 0.02% |
| Nov. 10, 2023 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | M | Employee Stock Option (Right to Buy) | 24475 | $0.00 | 0.0000 | 56,500,000 | 100.00% | 0.04% |
| Nov. 10, 2023 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | M | Employee Stock Option (Right to Buy) | 26217 | $0.00 | 0.0000 | 56,500,000 | 100.00% | 0.05% |
| Sept. 29, 2023 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | A | Phantom Stock Units | 44 | $69.27 | 8,705.7346 | 0 | 0.51% | 0.00% |
| Sept. 8, 2023 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | A | Phantom Stock Units | 49 | $70.12 | 8,661.9700 | 0 | 0.57% | 0.00% |
| June 9, 2023 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | A | Phantom Stock Units | 47 | $73.40 | 8,612.8380 | 0 | 0.54% | 0.00% |
| March 10, 2023 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | A | Phantom Stock Units | 42 | $74.31 | 8,566.1560 | 0 | 0.50% | 0.00% |
| March 3, 2023 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | S | Common Stock | 10031 | $83.00 | 75,306.0000 | 0 | 11.75% | 0.00% |
| Dec. 30, 2022 | CABOT CORP | $CBT | Kalkstein Hobart | Executive Vice President | A | Phantom Stock Units | 869 | $66.84 | 8,523.7151 | 0 | 11.35% | 0.00% |