SEC Insider Transactions from Eck Steven W.

Last updated: 2026-03-14 11:52 UTC | Total transactions: 22

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.

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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%