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.
Repligen Corporation's SEC filings document financial reporting, governance and public-company capital structure for a Nasdaq-listed life sciences company in bioprocessing technology. Recent Form 8-K reports attach earnings releases for quarterly and annual results, financial guidance and non-GAAP measures such as organic revenue, adjusted operating income, adjusted EPS and adjusted EBITDA.
The filing record also includes definitive proxy materials covering board matters, executive compensation and equity awards, along with Form 8-K disclosures on officer appointments, principal accounting officer responsibilities, financial reporting oversight and Sarbanes-Oxley-related infrastructure. Securities registration disclosures identify RGEN common stock, par value $0.01 per share, on the Nasdaq Global Select Market.
Repligen Corporation director Martin D. Madaus reported equity awards, not open-market trades. He received 995 restricted stock units, each representing one share of common stock. These units vest on the earlier of May 14, 2027, one year from grant, or the next annual shareholder meeting, and settlement has been deferred until after his board service ends.
He was also granted stock options on 2,239 shares at an exercise price of $103.38 per share, vesting on the same schedule and expiring on May 14, 2036. Following these awards, he directly holds 6,581 common shares and indirectly holds additional shares through a spouse trust with 11 shares and a 2011 revocable trust with 1,800 shares.
Repligen Corporation director Konstantin Konstantinov received new equity awards consisting of restricted stock units and stock options. He was granted 995 restricted stock units, each representing one share of Repligen common stock, bringing his direct common stock holdings to 3,889 shares after the award.
He was also granted stock options covering 2,239 shares of common stock at an exercise price of $103.38 per share, with the options expiring on May 14, 2036. Both the restricted stock units and the option award vest in full on the earlier of May 14, 2027, one year from the grant date, or the date of the next annual meeting of shareholders.
Repligen Corporation director Carrie Eglinton Manner reported compensation-related equity awards, not open-market trades. She was granted 995 restricted stock units, each representing a contingent right to receive one share of Repligen common stock. She also received stock options for 2,239 shares at an exercise price of $103.38 per share.
The restricted stock units and the stock option award each vest in full on the earlier of May 14, 2027, one year from the grant date, or the date of Repligen’s next annual meeting of shareholders. Following these grants, she holds 5,461 shares of common stock directly and 2,239 stock options.
Repligen Corp director Rohin Mhatre reported routine equity compensation awards. He received 995 restricted stock units, each representing one share of Repligen common stock, bringing his direct common stock holdings to 5,014 shares after the grant.
He was also granted stock options for 2,239 shares of common stock at an exercise price of $103.38 per share. These options are exercisable starting on May 14, 2027 and expire on May 14, 2036. The restricted stock units and options each vest in full on the earlier of May 14, 2027 or the date of the next annual meeting of shareholders, which has not yet been determined.
Repligen Corp director Margaret Pax reported equity awards consisting of restricted stock units and stock options. She was granted 995 restricted stock units, each representing one future share of common stock, vesting on the earlier of May 14, 2027 or the next annual shareholder meeting. She also received options for 2,239 shares of common stock at an exercise price of $103.38 per share, expiring on May 14, 2036, with the award vesting on the same schedule. Following the grant, she directly holds 3,011 shares of common stock.
Repligen Corp director Karen A. Dawes received equity compensation consisting of restricted stock units and stock options. She was granted 995 restricted stock units, each representing one share of common stock, which vest on the earlier of May 14, 2027 or the next annual shareholder meeting. She also received options for 2,239 shares of common stock at an exercise price of $103.38 per share, expiring on May 14, 2036. Following these awards, she directly holds 92,816 common shares. These are compensation grants, not open‑market purchases or sales.
REPLIGEN CORP director Glenn P. Muir reported routine equity compensation awards. He received 995 restricted stock units, each representing one share of common stock, which vest in full on the earlier of May 14, 2027, one year from the grant date, or the date of the next annual shareholder meeting.
Muir also received stock options covering 2,239 shares of common stock at an exercise price of $103.38 per share, expiring on May 14, 2036, with the same vesting schedule. Following these awards, he holds 40,051 shares of common stock directly and 2,239 stock options. The RSUs will be settled in shares after his service as a director ends, in line with his deferral election.
Repligen Corporation director Nicolas Barthelemy reported compensation-related equity grants. He was awarded 995 restricted stock units, each representing one share of Common Stock, and 2,239 stock options with an exercise price of $103.38 per share.
The RSUs and option award vest in full on the earlier of May 14, 2027, one year from the grant date, or the date of the next annual shareholder meeting. Barthelemy has elected to defer settlement of the RSUs under Repligen’s Deferred Compensation Plan for Non-Employee Directors, with shares to be delivered after his service as a director ends. Following these grants, he directly holds 5,436 shares of Common Stock and 2,239 options.
Repligen Corporation reported the results of its 2026 Annual Meeting of Stockholders. As of the March 16, 2026 record date, 56,399,274 common shares were outstanding, and 54,022,359 were represented in person or by proxy, establishing a quorum.
Stockholders elected nine directors, each receiving more votes “for” than “against.” They also ratified the appointment of Ernst & Young LLP as independent registered public accounting firm for the fiscal year ending December 31, 2026, and approved, on a non-binding advisory basis, the compensation of the company’s named executive officers.
REPLIGEN CORP director Glenn P. Muir exercised stock options to acquire 2,434 shares of Common Stock. The options were exercised at $38.76 per share on May 7, 2026, and were fully vested and exercisable. Following the transaction, Muir directly holds 39,056 Common Stock shares. A corresponding derivative entry shows 2,434 Stock Option (Right to Buy) units exercised with an exercise price of $38.76 and an expiration date of May 18, 2027. No share sales or tax-withholding dispositions are reported in this Form 4.