SEC Insider Transactions from Apeiron Investment Group Ltd..

Last updated: 2026-03-14 11:27 UTC | Total transactions: 17

Apeiron Investment Group Ltd. has filed 17 insider transactions across 3 companies since February 2023.

Most recent transaction: a transaction of 147950 shares of Atai Beckley N.V. ($ATAI) on September 30, 2025.

Activity breakdown: 5 open-market purchases and 2 sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Sept. 30, 2025 Atai Beckley N.V. $ATAI Apeiron Investment Group Ltd. Not found C Convertible Notes 147950 $0.00 0.0000 198,306,455 100.00% 0.07%
Sept. 30, 2025 Atai Beckley N.V. $ATAI Apeiron Investment Group Ltd. Not found C Common Shares 2367200 $0.00 55,211,716.0000 198,306,455 4.48% 1.19%
Aug. 14, 2025 Atai Beckley N.V. $ATAI Apeiron Investment Group Ltd. Not found P Common Shares 8675799 $2.19 52,844,516.0000 198,306,455 19.64% 4.37%
March 24, 2025 Atai Beckley N.V. $ATAI Apeiron Investment Group Ltd. Not found P Common Shares 1800000 $1.40 44,168,717.0000 198,306,455 4.25% 0.91%
Feb. 14, 2025 Atai Beckley N.V. $ATAI Apeiron Investment Group Ltd. Not found P Common Shares 10835718 $2.10 42,354,517.0000 0 34.38% 0.00%
April 15, 2024 Atai Beckley N.V. $ATAI Apeiron Investment Group Ltd. Not found J Convertible Notes 147950 $0.00 147,950.0000 0 9999.99% 0.00%
April 15, 2024 Atai Beckley N.V. $ATAI Apeiron Investment Group Ltd. Not found J Convertible Notes 147950 $0.00 0.0000 0 100.00% 0.00%
Feb. 6, 2024 Alto Neuroscience, Inc. $ANRO Apeiron Investment Group Ltd. Not found C Common Stock 251881 $0.00 926,539.0000 0 37.33% 0.00%
Feb. 6, 2024 Alto Neuroscience, Inc. $ANRO Apeiron Investment Group Ltd. Not found C Common Stock 674658 $0.00 926,539.0000 0 267.85% 0.00%
Feb. 6, 2024 Alto Neuroscience, Inc. $ANRO Apeiron Investment Group Ltd. Not found C Warrants to Purchase Series A Preferred Stock 444561 $0.00 0.0000 0 100.00% 0.00%
Feb. 6, 2024 Alto Neuroscience, Inc. $ANRO Apeiron Investment Group Ltd. Not found C Series A Preferred Stock 406072 $0.00 0.0000 0 100.00% 0.00%
Feb. 6, 2024 Alto Neuroscience, Inc. $ANRO Apeiron Investment Group Ltd. Not found C Series A Preferred Stock 1063918 $0.00 0.0000 0 100.00% 0.00%
Feb. 6, 2024 Alto Neuroscience, Inc. $ANRO Apeiron Investment Group Ltd. Not found C Series B Preferred Stock 416665 $0.00 0.0000 0 100.00% 0.00%
June 1, 2023 Sensei Biotherapeutics, Inc. $SNSE Apeiron Investment Group Ltd. TenPercentOwner S Common Stock 2485923 $1.58 0.0000 0 100.00% 0.00%
June 1, 2023 Sensei Biotherapeutics, Inc. $SNSE Apeiron Investment Group Ltd. TenPercentOwner S Common Stock 955738 $1.58 0.0000 0 100.00% 0.00%
Feb. 23, 2023 Sensei Biotherapeutics, Inc. $SNSE Apeiron Investment Group Ltd. TenPercentOwner P Common Stock 1100 $1.62 3,440,561.0000 0 0.03% 0.00%
Feb. 23, 2023 Sensei Biotherapeutics, Inc. $SNSE Apeiron Investment Group Ltd. TenPercentOwner P Common Stock 1100 $1.60 3,441,661.0000 0 0.03% 0.00%