Steven W. Eck, SVP and Chief Accounting Officer at Avantor Inc. ($AVTR), made one open market sale of company shares in the last year, totaling $39,592. His most recent sale was on August 5, 2025. This ranks him 10,617th out of 11,678 insiders by sales volume, well below the average of 8.6 million across 6.4 transactions per insider. Eck reported no open market purchases in the period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 24, 2026 | Avantor, Inc. | $AVTR | Eck Steven W | SVP & Chief Accounting Officer | F | Common Stock | 452 | $9.11 | 99,333.0000 | 680,600,000 | 0.45% | 0.00% |
| Feb. 23, 2026 | Avantor, Inc. | $AVTR | Eck Steven W | SVP & Chief Accounting Officer | F | Common Stock | 2017 | $8.89 | 99,785.0000 | 680,600,000 | 1.98% | 0.00% |
| Feb. 19, 2026 | Avantor, Inc. | $AVTR | Eck Steven W | SVP & Chief Accounting Officer | A | Common Stock | 48859 | $0.00 | 103,927.0000 | 680,600,000 | 88.72% | 0.01% |
| Feb. 19, 2026 | Avantor, Inc. | $AVTR | Eck Steven W | SVP & Chief Accounting Officer | A | Stock Options (Right to Buy) | 43230 | $0.00 | 43,230.0000 | 680,600,000 | 9999.99% | 0.01% |
| Feb. 20, 2026 | Avantor, Inc. | $AVTR | Eck Steven W | SVP & Chief Accounting Officer | F | Common Stock | 2125 | $9.03 | 101,802.0000 | 680,600,000 | 2.04% | 0.00% |
| Aug. 5, 2025 | Avantor, Inc. | $AVTR | Eck Steven W | SVP & Chief Accounting Officer | S | Common Stock | 3476 | $11.39 | 55,068.0000 | 681,900,000 | 5.94% | 0.00% |
| July 31, 2025 | Avantor, Inc. | $AVTR | Eck Steven W | SVP & Chief Accounting Officer | F | Common Stock | 1385 | $13.44 | 58,544.0000 | 681,900,000 | 2.31% | 0.00% |
| May 9, 2025 | Avantor, Inc. | $AVTR | Eck Steven W | SVP & Chief Accounting Officer | A | Common Stock | 20358 | $0.00 | 59,929.0000 | 681,900,000 | 51.45% | 0.00% |
| Feb. 27, 2025 | Avantor, Inc. | $AVTR | Eck Steven W | SVP & Chief Accounting Officer | S | Common Stock | 1033 | $17.00 | 39,571.0000 | 681,900,000 | 2.54% | 0.00% |
| Feb. 26, 2025 | Avantor, Inc. | $AVTR | Eck Steven W | SVP & Chief Accounting Officer | S | Common Stock | 4907 | $17.53 | 40,604.0000 | 681,900,000 | 10.78% | 0.00% |
| Feb. 25, 2025 | Avantor, Inc. | $AVTR | Eck Steven W | SVP & Chief Accounting Officer | F | Common Stock | 505 | $17.56 | 45,511.0000 | 681,900,000 | 1.10% | 0.00% |
| Feb. 24, 2025 | Avantor, Inc. | $AVTR | Eck Steven W | SVP & Chief Accounting Officer | F | Common Stock | 439 | $17.47 | 46,016.0000 | 681,900,000 | 0.95% | 0.00% |
| Feb. 20, 2025 | Avantor, Inc. | $AVTR | Eck Steven W | SVP & Chief Accounting Officer | A | Common Stock | 18867 | $0.00 | 48,411.0000 | 681,900,000 | 63.86% | 0.00% |
| Feb. 23, 2025 | Avantor, Inc. | $AVTR | Eck Steven W | SVP & Chief Accounting Officer | F | Common Stock | 1956 | $17.30 | 46,455.0000 | 681,900,000 | 4.04% | 0.00% |
| Sept. 5, 2024 | Avantor, Inc. | $AVTR | Eck Steven W | SVP & Chief Accounting Officer | S | Common Stock | 3525 | $25.06 | 29,544.0000 | 678,400,000 | 10.66% | 0.00% |
| July 31, 2024 | Avantor, Inc. | $AVTR | Eck Steven W | SVP & Chief Accounting Officer | F | Common Stock | 1337 | $26.75 | 33,069.0000 | 678,400,000 | 3.89% | 0.00% |
| March 8, 2024 | Avantor, Inc. | $AVTR | Eck Steven W | SVP & Chief Accounting Officer | S | Common Stock | 3685 | $25.63 | 34,406.0000 | 678,400,000 | 9.67% | 0.00% |
| Feb. 23, 2024 | Avantor, Inc. | $AVTR | Eck Steven W | SVP & Chief Accounting Officer | A | Common Stock | 11704 | $0.00 | 38,091.0000 | 678,400,000 | 44.36% | 0.00% |
| Feb. 25, 2024 | Avantor, Inc. | $AVTR | Eck Steven W | SVP & Chief Accounting Officer | F | Common Stock | 505 | $24.35 | 26,387.0000 | 678,400,000 | 1.88% | 0.00% |
| Feb. 24, 2024 | Avantor, Inc. | $AVTR | Eck Steven W | SVP & Chief Accounting Officer | F | Common Stock | 438 | $24.35 | 26,892.0000 | 678,400,000 | 1.60% | 0.00% |
| Feb. 23, 2024 | Avantor, Inc. | $AVTR | Eck Steven W | SVP & Chief Accounting Officer | F | Common Stock | 422 | $24.35 | 27,330.0000 | 678,400,000 | 1.52% | 0.00% |
| Feb. 20, 2024 | Avantor, Inc. | $AVTR | Eck Steven W | SVP & Chief Accounting Officer | F | Common Stock | 435 | $24.05 | 27,752.0000 | 678,400,000 | 1.54% | 0.00% |