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In Depth: Disputed Sinovac Chairman Struggles to Retain Control Amid Multibillion-Dollar Dividend Payouts

Published: Sep. 10, 2025  7:05 p.m.  GMT+8
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Chiang Li. Photo: AI generated
Chiang Li. Photo: AI generated

When talking with Caixin, Sinovac Biotech Ltd.’s Chiang Li describes himself as a scientist with a patriotic commitment to original innovation, not a capitalist. But this self-portrait contrasts starkly with his public image as a central combatant in a war for the vaccine-maker’s riches.

Two groups in various forms have vied for control of the company in a boardroom drama that stretches back nearly a decade. Li’s faction took the reins with a board installed earlier this year but was controversially ousted in July by a hotly contested move by the opposition. The long, complex story has now come to a head, with shareholders finally getting a taste of the firm’s Covid-19 windfall and billions of dollars in dividends at stake.

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What Happened When
2009:
Sinovac lists on the Nasdaq.
2010:
Chiang Li meets Sinovac co-founder Yin Weidong during a forum in Beijing.
2011:
Li begins founding companies in various Chinese cities, expanding his business footprint.
Between May 2013 and April 2016:
Li and 1Globe increase their stakes in Sinovac from 6.19% to 22.5%.
2016:
Tensions at Sinovac erupt as Yin and Pan Aihua fall out over a plan to take the company private; they form rival buyout groups.
Between April 2016 and December 2017:
Li acquires another 8.49% of Sinovac through other parties.
February 2018:
At Sinovac's annual shareholder meeting, Li and Pan vote together to oust the incumbent board and install a new one.
February 2019:
Trading of Sinovac's shares is suspended.
May 2020:
1Globe and Li are fined by the SEC for undisclosed share purchases ($200,000 for 1Globe and $90,000 for Li).
February 2021:
Sinovac’s inactivated vaccine receives conditional approval in China.
June 2021:
CoronaVac receives emergency approval from the World Health Organization.
January 2022:
Sinovac has delivered over 2.7 billion doses of CoronaVac worldwide.
June 2022:
Li’s 1Globe Biomedical announces design of a next-generation mRNA vaccine for Covid-19 variants.
By first half of 2023:
1Globe planned mass production of their mRNA Covid-19 vaccine, but it does not proceed as the pandemic ends.
2024:
Pan Aihua is sentenced to 13 years in prison in a separate case; the Sinovac fight becomes a duel between Yin and Li.
January 2025:
Judicial Committee of the Privy Council in the U.K. rules the 2018 board election (with Li’s faction taking control) was lawful.
Early 2025:
Li’s faction is installed on the Sinovac board.
February 2025:
Sinovac installs a new five-member board with Li as chairman, responding to the UK Privy Council ruling.
March 2025:
Heng Ren Partners issues a statement urging Sinovac to distribute $8.9 billion to shareholders and to resume trading of shares.
April 1, 2025:
Li’s board declares a special dividend of $55 per share.
July 2025:
Li’s board is ousted by the opposition faction in a contested boardroom fight; Sinovac issues a special cash dividend of $55 per share, totaling nearly $4 billion.
Early July 2025:
The power struggle escalates as the opposing faction claims to have replaced Li’s board, sparking ongoing disputes, negotiations, and litigation.
AI generated, for reference only
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