Welcome to our dedicated page for Avantor SEC filings (Ticker: AVTR), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Avantor, Inc. filings document operating results, financial condition and segment reporting for a life science tools company serving life sciences and advanced technology customers. Recent 8-K reports furnish quarterly and annual earnings releases, non-GAAP measures such as adjusted EBITDA and free cash flow, guidance references, and the realignment of reportable segments into VWR Distribution & Services and Bioscience & Medtech Products, including recast historical segment information.
The company’s proxy and current reports also disclose governance matters, director elections, board committee assignments, executive officer transitions, compensation arrangements and annual meeting materials. These filings frame Avantor’s public-company disclosures around its product and services portfolio, leadership structure and shareholder voting matters.
Avantor, Inc. reported the results of its 2026 Annual Meeting of Stockholders held on May 7, 2026. Stockholders elected nine directors to one-year terms expiring at the 2027 annual meeting, with each nominee receiving substantially more votes for than against.
Stockholders approved, on an advisory basis, the 2025 compensation of the company’s named executive officers and chose one year as the preferred frequency for future advisory votes on executive pay. Based on this, the board will hold say-on-pay votes annually until the next required frequency vote, expected at the 2032 annual meeting.
Stockholders also ratified the appointment of Deloitte & Touche LLP as Avantor’s independent registered public accounting firm for the year ending December 31, 2026.
Murthy Mala reported acquisition or exercise transactions in this Form 4 filing.
Avantor director Mala Murthy reported an equity award of company stock. She received 25,270 shares of Avantor common stock as a grant at no cash cost, increasing her direct holdings to 69,479 shares after the transaction.
According to a footnote, the grant is in the form of restricted stock units that will vest on May 7, 2027, meaning the award is part of her long-term compensation and becomes fully owned only after the vesting date is reached.
Avantor, Inc. director Gregory T. Lucier reported two stock acquisitions. He received a grant of 25,270 restricted stock units, which vest on May 7, 2027, as equity compensation. In a separate open-market transaction, a trust for which he serves as trustee and is a beneficiary purchased 10,000 shares of common stock at a weighted average price of about $8.32, with individual trades between $8.30 and $8.32. Following these transactions, the trust holds 60,000 shares indirectly attributed to him, while his direct holdings total 34,006 shares. He disclaims beneficial ownership of the trust shares except for his pecuniary interest.
Dingemans Simon reported acquisition or exercise transactions in this Form 4 filing.
Avantor director Simon Dingemans reported an equity compensation grant of 25,270 shares of Common Stock. The award is in the form of restricted stock units that vest on May 7, 2027, meaning the shares are delivered only if he remains eligible through that date.
Following this grant, Dingemans directly holds 31,495 shares of Avantor stock. The transaction carried no cash purchase price and reflects a routine, stock-based component of his director compensation rather than an open-market buy or sell.
Makin Louise reported acquisition or exercise transactions in this Form 4 filing.
Avantor, Inc. director Louise Makin received an equity award of 25,270 shares of common stock in the form of restricted stock units. The award was granted at a stated price of $0.00 per share as part of compensation rather than a market purchase or sale.
The restricted stock units are scheduled to vest on May 7, 2027, meaning the shares will be delivered only if the vesting conditions are met. Following this grant, Makin directly holds a total of 47,140 shares of Avantor common stock, indicating the transaction is an automatic, non-market equity grant.
Massaro Joseph R reported acquisition or exercise transactions in this Form 4 filing.
Avantor director Joseph R. Massaro received a compensation-related stock grant. He was awarded 25,270 shares of Avantor common stock on May 7, 2026 as a grant or award, rather than a market purchase. The shares are in the form of restricted stock units that vest on May 7, 2027.
After this grant, Massaro directly owns 77,408 shares of Avantor common stock. This filing reflects an equity-based compensation decision by the company’s board, not an open-market transaction.
Avantor, Inc. director Sanjeev K. Mehra reported an equity compensation grant. He received 25,270 shares of common stock in the form of restricted stock units at no cash cost, classified as a grant or award acquisition.
The restricted stock units vest on May 07, 2027, meaning he will fully earn the shares on that date if vesting conditions are met. After this grant, Mehra directly holds 33,376 shares of Avantor common stock.
The filing also notes 475,000 shares of common stock held indirectly through a limited liability company. Mehra disclaims beneficial ownership of these indirectly held securities except to the extent of any pecuniary interest.
SEVERINO MICHAEL reported acquisition or exercise transactions in this Form 4 filing.
Avantor director Michael Severino reported a compensation grant of 25,270 shares of Common Stock in the form of restricted stock units that vest on May 7, 2027. The award carries no purchase price and increases his direct holdings to 85,821 shares, reflecting routine equity-based board compensation rather than an open-market share purchase.
SUMME GREGORY L reported acquisition or exercise transactions in this Form 4 filing.
Avantor, Inc. director Gregory L. Summe reported an equity award and updated holdings. He received a grant of 25,270 shares of common stock in the form of restricted stock units, with no cash paid per share. According to the footnote, these restricted stock units vest on May 7, 2027. After this award, he directly holds 83,381 shares and indirectly holds 400,000 shares through a trust, giving a clearer picture of both his compensation and total reported ownership.
Avantor, Inc. director Simon Dingemans reported an open-market purchase of 25,000 shares of Common Stock. The trade was executed at a price of $8.14 per share and is reported as indirect ownership "By Spouse", meaning the shares are held by his spouse but attributed to him for reporting.
The filing also shows Dingemans with 6,225 shares of Common Stock held directly as of the same date in a separate holding entry. There are no derivative securities reported, so this update reflects only common stock ownership.