MERTZ LEONARD POWELL

• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings

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Alpha Cognition Inc (ACOG)

Transaction date 18 Aug 2025

Purchase

Price

358.91

Quantity 28,725 +37.4%

Value US$3,682,148

Alpha Cognition Inc (ACOG)

Transaction date 13 Nov 2024

Purchase

Price

411.38

Quantity 91,446 +31.2%

Value US$2,797,849

Notification date	Transaction date	Company	B/S Transaction type	Nb. shares Price Value	Number of shares	Price	Value	Details
2025-08-20	2025-08-18	Alpha Cognition Inc (ACOG)	B Purchase	28,725 +37.4% 358.91 US$3,682,148	28,725 +37.4%	358.91	US$3,682,148
2024-11-15	2024-11-13	Alpha Cognition Inc (ACOG)	B Purchase	91,446 +31.2% 411.38 US$2,797,849	91,446 +31.2%	411.38	US$2,797,849