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Swiss insider buying — May 2025

In May 2025, directors and senior managers of companies listed on SIX Swiss Exchange disclosed 136 purchases worth CHF 126 M and 181 sales worth CHF 65 M, across 77 companies. Purchases exceed sales by value. The largest disclosed purchase was in Jiangsu Eastern Shenghong Co., Ltd.: CHF 68’334’276 on 07.05.2025 (executive member of the board of directors / senior management). 23 companies recorded at least two management purchases during the month. The previous month had 189 purchases worth CHF 62 M.

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Disclosed purchases
136
Amount bought
CHF 126 M
Disclosed sales
181
Amount sold
CHF 65 M

Largest insider purchases in May 2025

Companies where managers bought the most

Largest insider sales in May 2025

How to read these figures

Directors and senior managers of Swiss-listed companies must disclose their dealings in their company's securities to SIX Exchange Regulation, which publishes them. A purchase is not necessarily a bet on a rise: some come from option exercises or share-based pay. Open each transaction to see its details. Guide: when an insider purchase is worth following

These figures aggregate public disclosures. They are not investment advice.