Company profile

Warteck Invest AG insider transactions

WARTECK

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

16.09.2026 · Non-executive member of the board of directors

Net flow 90 d
CHF 1’640’787

Buys − sales

Top shareholder
34.315%

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 transactions

CHF 1’640’787

Net buying

Declared purchases 100%Declared sales 0%
Net flowNet 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

PurchaseManagement transactions

Warteck Invest AG

Non-executive member of the board of directors · Registered shares

CHF 1’543’850802 × CHF 1’92516.09.2026
PurchaseManagement transactions

Warteck Invest AG

Non-executive member of the board of directors · Registered shares

CHF 19’34720 × CHF 967.3515.09.2026
PurchaseManagement transactions

Warteck Invest AG

Non-executive member of the board of directors · Registered shares

CHF 19’39710 × CHF 1’94014.09.2026
PurchaseManagement transactions

Warteck Invest AG

Non-executive member of the board of directors · Registered shares

CHF 19’40010 × CHF 1’94011.09.2026
PurchaseManagement transactions

Warteck Invest AG

Non-executive member of the board of directors · Registered shares

CHF 38’79320 × CHF 1’94010.09.2026
PurchaseManagement transactions

Warteck Invest AG

Non-executive member of the board of directors · Registered shares

CHF 364’055191 × CHF 1’90628.05.2026
PurchaseManagement transactions

Warteck Invest AG

Non-executive member of the board of directors · Registered shares

CHF 19’80010 × CHF 1’98014.05.2025
PurchaseManagement transactions

Warteck Invest AG

Non-executive member of the board of directors · Registered shares

CHF 59’50030 × CHF 1’98312.05.2025
PurchaseManagement transactions

Warteck Invest AG

Non-executive member of the board of directors · Registered shares

CHF 67’54034 × CHF 1’98609.05.2025
PurchaseManagement transactions

Warteck Invest AG

Non-executive member of the board of directors · Registered shares

CHF 51’86026 × CHF 1’99508.05.2025

Latest shareholding disclosures