Science Advances

The PDF file includes:

• Section S1. Glossary of all financial terms used throughout the paper
• Section S2. Extracts from the application proof of China Tuna to the Hong Kong Stock Exchange
• Fig. S1. Parent shareholder ownership network.
• Fig. S2. Shareholder regions in relation to company headquarters.
• Fig. S3. Codebook development framework.
• Table S1. Summary of financial mechanisms and associated examples identified through the content analysis.
• Table S2. Descriptive statistics of 3250 shareholders of 160 publicly listed seafood companies by shareholder types and regions.
• Table S3. Development of search terms applied to UCN archives.
• Table S4. Number of UCN articles retrieved by year.
• Table S5. Selection process to identify publicly listed seafood companies.

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Other Supplementary Material for this manuscript includes the following:

• Data file S1. Company and shareholder data (Excel file).