Welcome to our dedicated page for Bio Rad Labs SEC filings (Ticker: BIO), 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.
The Bio-Rad Laboratories, Inc. (NYSE: BIO, BIO.B) SEC filings page on Stock Titan provides access to the company’s regulatory disclosures as filed with the U.S. Securities and Exchange Commission. Bio-Rad is a Delaware corporation based in Hercules, California, and its filings offer detailed information on its life science research and clinical diagnostics businesses, financial performance, and material corporate events.
Investors can review current reports on Form 8-K, where Bio-Rad reports items such as quarterly financial results, supplemental earnings presentations, leadership changes, acquisitions, and other significant events. Recent 8-K filings reference the announcement of results for quarters ended June 30 and September 30, the completion of the acquisition of Stilla Technologies, and the appointment of senior executives.
In addition to current reports, users may consult annual reports on Form 10-K and quarterly reports on Form 10-Q (when available in the SEC feed) for more extensive discussion of segment performance in the Life Science and Clinical Diagnostics groups, risk factors, accounting policies, and details on items such as the company’s investment in Sartorius. These filings also describe Bio-Rad’s use of non-GAAP financial measures and provide reconciliations to GAAP metrics.
Stock Titan enhances these documents with AI-powered summaries that highlight key points from lengthy filings, helping readers quickly identify items such as revenue trends, margin drivers, and notable changes in investments or capital structure. The platform also surfaces insider transaction reports on Form 4 when they are filed, allowing users to track equity transactions by Bio-Rad officers and directors. Together, these tools make it easier to interpret BIO’s SEC filings without reading every line of the underlying documents.
Bio-Rad Laboratories’ controlling shareholders filed Amendment No. 9 to Schedule 13D for the Class B Common Stock. The filing reflects estate-related changes and confirms continued control. Blue Raven Partners, L.P. directly holds 4,060,054 Class B shares, representing 80.1% of the class. Norman D. Schwartz is deemed to beneficially own 4,929,036 Class B shares (97.2%), including shares held via trusts where he is sole trustee. Steven D. Schwartz is deemed to beneficially own 4,098,294 Class B shares (80.8%). The Alice N. Schwartz Revocable Trust holds 437,510 Class B shares (8.6%). Percentages are based on 5,070,184 Class B shares outstanding as of July 28, 2025.
The purpose stated is control of the company, and the shareholders “control the management” and may be deemed “parents” of the company. The filing notes that due to the death of Mrs. Alice N. Schwartz on September 25, 2025, she ceased to be a beneficial owner of more than 5% of the Class B. The amendment also lists historical option exercises and inter‑family gifts of Class B shares.
Bio-Rad Laboratories (BIO) filed an amended Schedule 13D reporting updated ownership and control details following changes within the Schwartz family trusts. Norman D. Schwartz reports beneficial ownership of 3,228,922 shares of Class A Common Stock, representing 14.6% of that class, including shares held directly, by trusts for which he is sole trustee, and options exercisable within sixty days of September 25, 2025.
The Alice N. Schwartz Revocable Trust holds 1,781,356 Class A shares, or 8.1%. The filing notes that, due to the death of Mrs. Alice N. Schwartz on September 25, 2025, she ceased to be a beneficial owner of more than 5% of Class A. For Class B Common Stock, Norman D. Schwartz reports beneficial ownership of 4,929,036 shares, representing 97.2% of the class, including shares held through Blue Raven Partners, L.P. and trusts he oversees. The stated purpose of ownership is control of the company.
Bio‑Rad Laboratories reported Q3 2025 net sales of $653.0 million, roughly flat year over year, with income from operations of $65.3 million. A $495.3 million loss from the change in fair value of equity securities and a tax benefit of $89.2 million drove a net loss of $341.9 million for the quarter.
For the first nine months, net sales were $1,890.0 million and net income $39.9 million. Operating cash flow reached $367.3 million. The company repurchased $295.5 million of shares year to date.
Bio‑Rad closed the acquisition of Stilla Technologies on June 30, 2025 for total preliminary consideration of $257.7 million, including cash paid to sellers, debt repayments, escrow, and $28.6 million of contingent consideration (up to $50.0 million tied to milestones). Cash and cash equivalents were $395.8 million and short‑term investments $1,022.8 million as of September 30, 2025. Long‑term debt consisted of $1.2 billion of senior notes. The fair value loss related to the Sartorius AG stake was $505.1 million in Q3.
Bio-Rad Laboratories (BIO) announced financial results for the quarter ended September 30, 2025. The company furnished a press release as Exhibit 99.1 and a Supplemental Earnings Presentation as Exhibit 99.2, which are also available on its website in Investor Relations under “Events & Presentations.” Under General Instruction B.2, these materials are furnished, not filed, are not subject to Section 18 of the Exchange Act, and are not incorporated by reference except by specific reference.
Bio-Rad Laboratories (BIO): A Schedule 13D/A (Amendment No. 9) updates the Schwartz family’s beneficial ownership and control of the company’s Class B Common Stock following the passing of Alice N. Schwartz on September 25, 2025. Norman D. Schwartz became sole trustee of the relevant trusts.
Blue Raven Partners, L.P. directly holds 4,060,054 Class B shares, representing 80.1% of the class. Norman D. Schwartz is deemed to beneficially own 4,929,036 Class B shares (97.2%), including shares held directly and via trusts, and indirect interests through the partnership. Steven D. Schwartz is deemed to beneficially own 4,098,294 Class B shares (80.8%). Class B shares outstanding were 5,070,184 as of July 28, 2025.
The filing states the purpose of the Shareholders’ ownership has been control of the company, and that by virtue of their Class B holdings they control management. The amendment also lists recent option exercises and gifts among the reporting persons and notes that Alice N. Schwartz’s trust holds 437,510 Class B shares (8.6%).
Bio-Rad Laboratories (BIO) filed Schedule 13D/A (Amendment No. 7) updating beneficial ownership and control following family trust changes. Norman D. Schwartz reports beneficial ownership of 3,228,922 shares of Class A Common Stock, representing 14.6%. This includes 2,714,928 shares via trusts where he is sole trustee, 17,145 shares held by the Alles Institute for Medical Research with shared power, 443,434 shares held directly, and 53,415 options exercisable within sixty days of September 25, 2025.
The Alice N. Schwartz Revocable Trust holds 1,781,356 Class A shares, or 8.1%. Percentages are based on 21,992,307 Class A shares outstanding as of July 28, 2025, with Mr. Schwartz’s percentage calculated to include his 53,415 exercisable options. In Class B, Mr. Schwartz has beneficial ownership of 4,929,036 shares, or 97.2%, based on 5,070,184 Class B shares outstanding as of July 28, 2025. The filing states the purpose of the shareholders’ ownership has been control of the Company.
Bio-Rad Laboratories (BIO) reported an insider equity event by its President & COO. On 10/24/2025, 1,869 shares of Class A common stock were acquired at $0 upon the vesting of restricted stock units, followed by a disposition of 950 shares under code F at $339.75 per share. Following these transactions, 919 Class A shares are held directly.
The related RSU line shows 1,869 underlying shares delivered and 5,609 RSUs remaining outstanding. The RSUs vest over four years at 25% per year on the yearly anniversary of the grant.
Bio‑Rad Laboratories (BIO) executive Sedat Evran (EVP, Global Supply Chain) reported routine equity vesting. On 10/20/2025, 1,044 restricted stock units converted into Class A common stock at $0 per the award terms, and 335 shares were withheld at $321.90 to cover taxes. Following these transactions, Evran beneficially owned 2,232.847 Class A shares.
The RSUs relate to a grant of 4,176 units made on 10/20/2023, vesting in four equal annual installments beginning on the first anniversary of the grant date.
BlackRock, Inc. filed an amended Schedule 13G (Amendment No. 12) reporting beneficial ownership of 1,618,123 shares of Bio‑Rad Laboratories, Inc. Class A stock, representing 7.4% of the class.
BlackRock reports sole voting power over 1,561,852 shares and sole dispositive power over 1,618,123 shares, with 0 shared voting or dispositive power. The date of event triggering the filing is 09/30/2025. BlackRock certifies the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control.
Bio-Rad Laboratories, Inc. reported the passing of its co-founder and Director Emeritus, Alice N. Schwartz, under a Regulation FD disclosure. The company announced that she died on September 25, 2025, at the age of 99. This reflects a significant moment in the company’s history given her foundational role, but the disclosure does not describe any immediate operational or financial impacts.
The announcement was made on September 29, 2025, and a related press release was provided as an exhibit to the report. The company states that this information is being furnished, not filed, which limits how it is treated under securities law liability provisions.