Welcome to our dedicated page for Repligen SEC filings (Ticker: RGEN), 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.
This page provides access to U.S. Securities and Exchange Commission (SEC) filings for Repligen Corporation (NASDAQ: RGEN), a global life sciences company focused on bioprocessing technologies and systems for manufacturing biological drugs. As a Nasdaq-listed issuer, Repligen submits a range of regulatory documents that give detailed insight into its financial performance, governance and material events.
Among the key filings available are Form 10-K annual reports and Form 10-Q quarterly reports, which typically include audited or reviewed financial statements, management’s discussion and analysis, and information on Repligen’s bioprocessing focus areas: Filtration and Fluid Management, Chromatography, Process Analytics and Proteins. These filings expand on the themes highlighted in the company’s earnings press releases and non-GAAP reconciliations.
Repligen also files Form 8-K current reports to disclose material events. Recent examples include 8-K filings referencing the release of second and third quarter 2025 financial results, as well as an 8-K describing the appointment of a Chief Accounting Officer to enhance the company’s financial reporting infrastructure and Sarbanes–Oxley oversight. Such filings can provide timely context on leadership changes, compensation decisions and other corporate developments.
Investors may also review proxy statements and, where applicable, Form 4 insider transaction reports to understand equity-based compensation and share activity by directors and officers. Together, these documents form the regulatory record of Repligen’s operations as a public company.
On Stock Titan, Repligen’s filings are updated as they are released on EDGAR, with AI-powered summaries that highlight key points from lengthy reports. This helps readers quickly identify major financial trends, governance changes and disclosures related to Repligen’s role as a life sciences and bioprocessing technology company.
Repligen Corporation reported new equity awards to its Chief Product Officer, Douglass Brian Robb. On 12/31/2025, he received 2,288 restricted stock units, each representing one share of Repligen common stock. These restricted stock units vest in substantially equal annual installments over three years, beginning on the first anniversary of the grant date, and are settled only in shares of common stock.
On the same date, he was also granted a stock option for 2,143 shares of common stock at an exercise price of $163.86 per share, expiring on 12/31/2035. Following the restricted stock award, he directly beneficially owned 8,540 shares of common stock, and 2,143 stock options were beneficially owned directly after the option grant.
Repligen Corporation’s Chief Product Officer, Douglass Brian Robb, reported his beneficial ownership as of December 31, 2025. He directly holds 6,252 shares of Repligen common stock, which include restricted stock units granted on May 7, 2024 (4,000 units vesting in equal annual installments over five years) and on March 1, 2025 (2,252 units vesting in equal annual installments over four years).
He also holds two stock option awards, each exercisable for Repligen common stock at an exercise price of $167.72 per share and expiring on May 7, 2034: one covering 2,980 shares, with 596 shares already vested and the remainder vesting annually from May 7, 2026 through May 7, 2029, and another covering 7,020 shares, with 1,404 shares vested and the rest vesting on the same schedule. All reported holdings are listed as directly owned.
A director of Repligen Corp (RGEN) reported a small open-market sale of company stock. On 12/17/2025, the director sold 275 shares of Repligen common stock at a price of $161 per share, as shown in Table I of the filing. After this transaction, the director continued to beneficially own 91,821 shares of Repligen common stock, held as a direct ownership position. The report was filed as a Form 4 for one reporting person, indicating routine insider transaction disclosure.
Repligen Corporation reported that one of its directors exercised a stock option for common shares. On 12/16/2025, the director acquired 3,366 shares of common stock through an option exercise at a price of $26.12 per share, increasing the director’s direct beneficial ownership to 36,622 common shares after the transaction. The related stock option, which is fully vested and exercisable, covers 3,366 shares of common stock and carries an exercise price of $26.12 with an expiration date of May 11, 2026.
A director of Repligen Corporation reported an insider transfer of 2,000 shares of Repligen common stock on 12/04/2025. After this transaction, the reporting person beneficially owns 98,959 shares of common stock in direct form. The filing describes the move as a transfer of shares in which the reporting person is a joint tenant with right of survivorship, indicating a change in how the shares are held rather than a typical market sale.
Repligen Corporation (RGEN) reported an insider stock sale by its Chief Executive Officer, who is also a director. On 11/25/2025, the executive sold 7,041 shares of common stock at a price of $170 per share, as shown in a Form 4 filing. After this transaction, the executive directly held 35,898 shares of Repligen common stock.
The sale was carried out under a pre-arranged Rule 10b5-1 trading plan that was adopted on December 12, 2024, which is designed to allow insiders to sell shares according to a set schedule.
Repligen Corporation's Chief Operating Officer reported a stock sale in a Form 4. On 11/18/2025, the officer sold 2,191 shares of Repligen common stock in an open market transaction coded "S" (sale). The weighted average sale price was $151.21 per share, with individual trades executed between $151.21 and $151.62.
After this transaction, the officer directly beneficially owns 21,520 shares of Repligen common stock. The filing notes that detailed trade breakdowns by price within the range are available upon request from the company, its security holders, or the SEC staff.
Repligen Corporation director reported several transactions in company stock. On 11/13/2025, the director sold multiple blocks of common stock in open-market transactions at weighted average prices ranging from $151.01 to $157.11, each sale covering different share amounts. After these sales, the director beneficially owned 80,743 shares of Repligen common stock in direct form. The director also exercised a stock option for 2,952 shares at an exercise price of $33.87, which increased directly held shares while reducing the option position.
Repligen (RGEN) reported an insider transaction by a director on 11/12/2025. The director exercised 25,000 stock options at $33.87 and, on the same day, sold 25,000 common shares in multiple trades under a Rule 10b5-1 plan adopted on December 9, 2024. Sale prices were reported as weighted averages ranging from $154.92 to $158.51.
Following these transactions, the director directly owned 100,743 shares. The option reported expires on 03/01/2028, with 157,344 derivative securities beneficially owned after the transactions, and remaining tranches vesting 28,777 on 03/01/2026 and 28,778 on 03/01/2027.
Repligen Corporation reported Q3 2025 results with total revenue of $188.8 million and net income of $14.9 million, a turnaround from a $0.7 million loss a year ago. For the first nine months of 2025, revenue reached $540.3 million with net income of $35.6 million.
Cash and cash equivalents were $748.7 million, supporting a strong balance sheet with total assets of $2.92 billion. The company closed the 908 Devices bioprocessing analytics portfolio acquisition for $69.9 million in cash, recording provisional goodwill of $50.1 million and incurring $10.5 million in transaction and integration costs year to date. Contingent consideration fell to $7.6 million, producing gains of $4.1 million in Q3 and $12.1 million year to date.
The restructuring plan was completed in Q2 2025, with $4.1 million in related charges in the first nine months of 2025. The 1.00% Convertible Senior Notes due 2028 had a $537.9 million carrying amount and were not convertible for Q4 2025 under the indenture’s trading condition. Shares outstanding were 56,290,749 as of October 31, 2025.