Donoso Diego, a director at Atmus Filtration Technologies Inc. ($ATMU), made two open market purchases of common shares in the last 365 days, totaling $1,812, with the most recent on September 5, 2025. These purchases rank 4,769th among 4,983 individual insiders, far below the average of $1.5 million per insider and 3.29 transactions. Diego also sold shares twice on the open market, for a total of $2,488, with the latest sale on November 13, 2025. These sales rank 11,476th out of 11,678 insiders, well under the average sale value of $8.6 million and 6.37 transactions.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 2, 2025 | Atmus Filtration Technologies Inc. | $ATMU | Donoso Diego | Director | S | Common Stock | 40 | $37.79 | 9,038.0000 | 83,600,000 | 0.44% | 0.00% |
| Nov. 18, 2025 | Atmus Filtration Technologies Inc. | $ATMU | Donoso Diego | Director | J | Common Stock | 20 | $0.00 | 9,078.0000 | 83,300,000 | 0.22% | 0.00% |
| Nov. 13, 2025 | Atmus Filtration Technologies Inc. | $ATMU | Donoso Diego | Director | S | Common Stock | 20 | $48.84 | 9,058.0000 | 83,300,000 | 0.22% | 0.00% |
| Sept. 5, 2025 | Atmus Filtration Technologies Inc. | $ATMU | Donoso Diego | Director | P | Common Stock | 15 | $45.81 | 9,078.0000 | 83,600,000 | 0.17% | 0.00% |
| Aug. 13, 2025 | Atmus Filtration Technologies Inc. | $ATMU | Donoso Diego | Director | P | Common Stock | 25 | $45.00 | 9,063.0000 | 83,600,000 | 0.28% | 0.00% |
| May 20, 2025 | Atmus Filtration Technologies Inc. | $ATMU | Donoso Diego | Director | A | Common Stock | 3886 | $0.00 | 9,078.0000 | 83,600,000 | 74.85% | 0.00% |
| March 31, 2025 | GRAFTECH INTERNATIONAL LTD | $EAF | Donoso Diego | Director | A | Deferred Share Units | 16523 | $0.00 | 26,931.2446 | 257,667,125 | 158.75% | 0.01% |
| Nov. 9, 2024 | GRAFTECH INTERNATIONAL LTD | $EAF | Donoso Diego | Director | M | Restricted Stock Units | 56497 | $0.00 | 0.0000 | 25,769,616 | 100.00% | 0.22% |
| Nov. 9, 2024 | GRAFTECH INTERNATIONAL LTD | $EAF | Donoso Diego | Director | M | Common Stock | 56497 | $0.00 | 56,497.0000 | 25,769,616 | 9999.99% | 0.22% |
| May 14, 2024 | Atmus Filtration Technologies Inc. | $ATMU | Donoso Diego | Director | A | Common Stock | 4565 | $0.00 | 5,192.0000 | 83,400,000 | 728.07% | 0.01% |
| May 9, 2024 | GRAFTECH INTERNATIONAL LTD | $EAF | Donoso Diego | Director | A | Restricted Stock Units | 56497 | $0.00 | 56,497.1751 | 257,042,843 | 9999.99% | 0.02% |
| March 18, 2024 | Atmus Filtration Technologies Inc. | $ATMU | Donoso Diego | Director | A | Common Stock | 627 | $0.00 | 627.0000 | 83,400,000 | 9999.99% | 0.00% |
| Dec. 29, 2023 | GRAFTECH INTERNATIONAL LTD | $EAF | Donoso Diego | Director | A | Deferred Share Units | 6279 | $0.00 | 10,408.2561 | 258,791,228 | 152.03% | 0.00% |
| Sept. 29, 2023 | GRAFTECH INTERNATIONAL LTD | $EAF | Donoso Diego | Director | A | Deferred Share Units | 3590 | $0.00 | 4,129.7173 | 258,791,228 | 665.27% | 0.00% |
| June 30, 2023 | GRAFTECH INTERNATIONAL LTD | $EAF | Donoso Diego | Director | A | Deferred Share Units | 540 | $0.00 | 539.6389 | 258,791,228 | 9999.99% | 0.00% |
| June 16, 2023 | GRAFTECH INTERNATIONAL LTD | $EAF | Donoso Diego | Director | A | Deferred Restricted Stock Units | 11068 | $0.00 | 11,068.4932 | 258,791,228 | 9999.99% | 0.00% |