LARSON MICHAEL has filed 39 insider transactions across 2 companies since December 2023.
Most recent transaction: a grant/award of 137 shares of ECOLAB INC. ($ECL) on March 31, 2026.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 31, 2026 | ECOLAB INC. | $ECL | LARSON MICHAEL | Not found | A | Common Stock | 138 | $0.00 | 19,007.5000 | 285,200,000 | 0.73% | 0.00% |
| March 27, 2026 | ECOLAB INC. | $ECL | LARSON MICHAEL | Not found | M | Non-Employee Stock Option (Right to Buy) | 2300 | $0.00 | 0.0000 | 285,200,000 | 100.00% | 0.00% |
| March 27, 2026 | ECOLAB INC. | $ECL | LARSON MICHAEL | Not found | F | Common Stock | 1006 | $262.89 | 18,842.4300 | 285,200,000 | 5.07% | 0.00% |
| March 27, 2026 | ECOLAB INC. | $ECL | LARSON MICHAEL | Not found | M | Common Stock | 2300 | $115.08 | 19,848.4300 | 285,200,000 | 13.11% | 0.00% |
| Jan. 31, 2026 | REPUBLIC SERVICES, INC. | $RSG | LARSON MICHAEL | Director | M | Common Stock | 1858 | $0.00 | 58,427.0000 | 313,000,000 | 3.28% | 0.00% |
| Jan. 31, 2026 | REPUBLIC SERVICES, INC. | $RSG | LARSON MICHAEL | Director | M | Restricted Stock Units | 1858 | $0.00 | 0.0000 | 313,000,000 | 100.00% | 0.00% |
| Jan. 15, 2026 | REPUBLIC SERVICES, INC. | $RSG | LARSON MICHAEL | Director | A | Restricted Stock Units | 123 | $210.79 | 41,789.4700 | 313,000,000 | 0.29% | 0.00% |
| Jan. 2, 2026 | REPUBLIC SERVICES, INC. | $RSG | LARSON MICHAEL | Director | A | Restricted Stock Units | 1095 | $0.00 | 1,095.0000 | 313,000,000 | 9999.99% | 0.00% |
| Dec. 31, 2025 | ECOLAB INC. | $ECL | LARSON MICHAEL | Not found | A | Common Stock | 128 | $0.00 | 17,548.4300 | 285,400,000 | 0.73% | 0.00% |
| Oct. 15, 2025 | REPUBLIC SERVICES, INC. | $RSG | LARSON MICHAEL | Director | A | Restricted Stock Units | 114 | $221.03 | 40,571.7800 | 313,000,000 | 0.28% | 0.00% |
| Sept. 30, 2025 | ECOLAB INC. | $ECL | LARSON MICHAEL | Not found | A | Common Stock | 123 | $0.00 | 17,396.1700 | 285,400,000 | 0.71% | 0.00% |
| July 15, 2025 | REPUBLIC SERVICES, INC. | $RSG | LARSON MICHAEL | Director | A | Restricted Stock Units | 96 | $241.86 | 40,457.5000 | 313,000,000 | 0.24% | 0.00% |
| June 30, 2025 | ECOLAB INC. | $ECL | LARSON MICHAEL | Not found | A | Common Stock | 126 | $0.00 | 17,248.3700 | 285,300,000 | 0.74% | 0.00% |
| May 12, 2025 | ECOLAB INC. | $ECL | LARSON MICHAEL | Not found | A | Non-Employee Director Stock Option (Right to Buy) | 810 | $0.00 | 810.0000 | 285,300,000 | 9999.99% | 0.00% |
| April 15, 2025 | REPUBLIC SERVICES, INC. | $RSG | LARSON MICHAEL | Director | A | Restricted Stock Units | 94 | $245.00 | 40,361.7300 | 313,000,000 | 0.23% | 0.00% |
| March 31, 2025 | ECOLAB INC. | $ECL | LARSON MICHAEL | Not found | A | Common Stock | 134 | $0.00 | 17,095.2000 | 285,700,000 | 0.79% | 0.00% |
| March 4, 2025 | ECOLAB INC. | $ECL | LARSON MICHAEL | Not found | M | Common Stock | 2200 | $112.75 | 17,855.3000 | 285,700,000 | 14.05% | 0.00% |
| March 4, 2025 | ECOLAB INC. | $ECL | LARSON MICHAEL | Not found | F | Common Stock | 921 | $269.17 | 16,934.3000 | 285,700,000 | 5.16% | 0.00% |
| March 4, 2025 | ECOLAB INC. | $ECL | LARSON MICHAEL | Not found | M | Non-Employee Stock Option (Right to Buy) | 2200 | $0.00 | 0.0000 | 285,700,000 | 100.00% | 0.00% |
| Jan. 31, 2025 | REPUBLIC SERVICES, INC. | $RSG | LARSON MICHAEL | Director | M | Common Stock | 1775 | $0.00 | 56,569.0000 | 313,000,000 | 3.24% | 0.00% |
| Jan. 31, 2025 | REPUBLIC SERVICES, INC. | $RSG | LARSON MICHAEL | Director | M | Restricted Stock Units | 1775 | $0.00 | 0.0000 | 313,000,000 | 100.00% | 0.00% |
| Jan. 15, 2025 | REPUBLIC SERVICES, INC. | $RSG | LARSON MICHAEL | Director | A | Restricted Stock Units | 116 | $209.76 | 42,043.0000 | 313,000,000 | 0.28% | 0.00% |
| Jan. 2, 2025 | REPUBLIC SERVICES, INC. | $RSG | LARSON MICHAEL | Director | A | Restricted Stock Units | 1150 | $0.00 | 1,150.0000 | 313,000,000 | 9999.99% | 0.00% |
| Dec. 31, 2024 | ECOLAB INC. | $ECL | LARSON MICHAEL | Not found | A | Common Stock | 144 | $0.00 | 15,655.3000 | 286,000,000 | 0.93% | 0.00% |
| Oct. 15, 2024 | REPUBLIC SERVICES, INC. | $RSG | LARSON MICHAEL | Director | A | Restricted Stock Units | 114 | $206.49 | 40,777.0000 | 321,000,000 | 0.28% | 0.00% |
| Sept. 30, 2024 | ECOLAB INC. | $ECL | LARSON MICHAEL | Not found | A | Common Stock | 133 | $0.00 | 15,490.4000 | 287,000,000 | 0.86% | 0.00% |
| July 15, 2024 | REPUBLIC SERVICES, INC. | $RSG | LARSON MICHAEL | Director | A | Restricted Stock Units | 109 | $201.19 | 40,663.0000 | 321,000,000 | 0.27% | 0.00% |
| June 30, 2024 | ECOLAB INC. | $ECL | LARSON MICHAEL | Not found | A | Common Stock | 141 | $0.00 | 15,335.6800 | 287,800,000 | 0.93% | 0.00% |
| May 6, 2024 | ECOLAB INC. | $ECL | LARSON MICHAEL | Not found | A | Non-Employee Director Stock Option (Right to Buy) | 934 | $0.00 | 934.0000 | 287,800,000 | 9999.99% | 0.00% |
| April 15, 2024 | REPUBLIC SERVICES, INC. | $RSG | LARSON MICHAEL | Director | A | Restricted Stock Units | 116 | $187.24 | 40,554.0000 | 321,000,000 | 0.29% | 0.00% |
| March 31, 2024 | ECOLAB INC. | $ECL | LARSON MICHAEL | Not found | A | Common Stock | 146 | $0.00 | 15,170.4800 | 287,100,000 | 0.97% | 0.00% |
| March 14, 2024 | ECOLAB INC. | $ECL | LARSON MICHAEL | Not found | F | Common Stock | 1119 | $224.75 | 14,998.2400 | 287,100,000 | 6.94% | 0.00% |
| March 14, 2024 | ECOLAB INC. | $ECL | LARSON MICHAEL | Not found | M | Common Stock | 2400 | $104.85 | 16,117.2400 | 287,100,000 | 17.50% | 0.00% |
| March 14, 2024 | ECOLAB INC. | $ECL | LARSON MICHAEL | Not found | M | Non-Employee Stock Option (Right to Buy) | 2400 | $0.00 | 0.0000 | 287,100,000 | 100.00% | 0.00% |
| Jan. 31, 2024 | REPUBLIC SERVICES, INC. | $RSG | LARSON MICHAEL | Director | M | Common Stock | 2579 | $0.00 | 54,794.0000 | 321,000,000 | 4.94% | 0.00% |
| Jan. 31, 2024 | REPUBLIC SERVICES, INC. | $RSG | LARSON MICHAEL | Director | M | Restricted Stock Units | 2579 | $0.00 | 0.0000 | 321,000,000 | 100.00% | 0.00% |
| Jan. 16, 2024 | REPUBLIC SERVICES, INC. | $RSG | LARSON MICHAEL | Director | A | Restricted Stock Units | 139 | $165.64 | 43,017.0000 | 321,000,000 | 0.32% | 0.00% |
| Dec. 31, 2023 | ECOLAB INC. | $ECL | LARSON MICHAEL | Not found | A | Common Stock | 157 | $0.00 | 13,717.2400 | 286,900,000 | 1.16% | 0.00% |
| Jan. 2, 2024 | REPUBLIC SERVICES, INC. | $RSG | LARSON MICHAEL | Director | A | Restricted Stock Units | 1395 | $0.00 | 1,395.0000 | 321,000,000 | 9999.99% | 0.00% |