Warteck Invest AG insider transactions
Management transactions
33
Shareholding disclosures
23
First disclosure
09.06.1998
Last disclosure
18.09.2026
Company summary
Over 90 days: 5 purchases (CHF 1.6 M) and 0 sales (CHF 0.00). Disclosed flows are net buying.
- Latest purchase
- CHF 1’543’850
- Net flow 90 d
- CHF 1’640’787
- Top shareholder
- 34.315%
16.09.2026 · Non-executive member of the board of directors
Buys − sales
Stephan A. Müller
Latest priced trade (16.09.2026): CHF 1.5 M, 79.6× the median of 5 earlier same-direction trades over one year. Unusually large for this company.
This page brings together all Warteck Invest AG (WARTECK) insider transactions: 33 management transactions and 23 significant shareholding disclosures published by SIX Exchange Regulation, from 09.06.1998 to 18.09.2026.
Detailed context
A total of 33 management transactions and 23 significant shareholding disclosures regarding Warteck Invest AG have been published by SIX Exchange Regulation, providing a record of insider transactions for the company. Within the last 90 days, the company recorded 5 purchases totaling CHF 1'640'787 and 0 sales, with the latest management transaction dated 2026-09-16. The largest declared shareholders by voting rights are Christoph M. Müller, Patrick M. Müller, Sibylla M. Müller, and Stephan A. Müller, who each hold a 34.315% stake.
Insider barometer
90 days
5 transactionsCHF 1’640’787
Net buying
Declared purchases
CHF 1’640’787
Declared sales
CHF 0.00
Latest transaction
16.09.2026
Largest purchase
CHF 16’065’000
Largest sale
CHF 29.60
These figures aggregate public disclosures. They are not investment advice.
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Warteck Invest AG insider transactions
Warteck Invest AG
Non-executive member of the board of directors · Registered shares
Warteck Invest AG
Non-executive member of the board of directors · Registered shares
Warteck Invest AG
Non-executive member of the board of directors · Registered shares
Warteck Invest AG
Non-executive member of the board of directors · Registered shares
Warteck Invest AG
Non-executive member of the board of directors · Registered shares
Warteck Invest AG
Non-executive member of the board of directors · Registered shares
Warteck Invest AG
Non-executive member of the board of directors · Registered shares
Warteck Invest AG
Non-executive member of the board of directors · Registered shares
Warteck Invest AG
Non-executive member of the board of directors · Registered shares
Warteck Invest AG
Non-executive member of the board of directors · Registered shares
Latest shareholding disclosures
Warteck Invest AG
4 people · Stephan A. Müller…
Warteck Invest AG
UBS Fund Management Switzerland AG · Collective investment vehicle
Warteck Invest AG
CACEIS Switzerland SA · Collective investment vehicle
Warteck Invest AG
CACEIS Switzerland SA · Collective investment vehicle
Warteck Invest AG
CACEIS Switzerland SA · Collective investment vehicle