Stamm John Richard

• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Earnings

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Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other

Notification date	Transaction date	B/S Transaction type	Nb. shares Price Value	Number of shares	Price	Value	Details
2024-12-10	2024-12-06	Vertex Inc (VERX)	S Sale	3,815 -24.6% 56.11 USD 214,060	3,815 -24.6%	56.11	USD 214,060
2024-11-27	2024-11-22	Vertex Inc (VERX)	S Sale	2,500 -13.9% 53.81 USD 134,525	2,500 -13.9%	53.81	USD 134,525
2024-09-16	2024-09-12	Vertex Inc (VERX)	S Sale	5,000 -23.1% 35.44 USD 177,204	5,000 -23.1%	35.44	USD 177,204
2024-09-16	2024-09-12	Vertex Inc (VERX)	S Sale	5,000 -23.1% 35.41 USD 177,073	5,000 -23.1%	35.41	USD 177,073
2024-08-26	2024-08-22	Vertex Inc (VERX)	S Sale	16,000 -42.5% 35.95 USD 575,179	16,000 -42.5%	35.95	USD 575,179
2024-03-07	2024-03-05	Vertex Inc (VERX)	S Sale	6,500 -29.0% 29.48 USD 191,620	6,500 -29.0%	29.48	USD 191,620
2023-12-19	2023-12-15	Vertex Inc (VERX)	S Sale	10,000 -30.8% 26.85 USD 268,483	10,000 -30.8%	26.85	USD 268,483
2023-08-30	2023-08-28	Vertex Inc (VERX)	S Sale	10,691 -24.8% 22.41 USD 239,592	10,691 -24.8%	22.41	USD 239,592
2023-03-15	2023-03-13	Vertex Inc (VERX)	S Sale	11,843 -25.7% 18.37 USD 217,591	11,843 -25.7%	18.37	USD 217,591
2021-12-06	2021-12-03	Vertex Inc (VERX)	S Sale	12,000 -27.9% 16.88 USD 202,560	12,000 -27.9%	16.88	USD 202,560
2021-08-25	2021-08-19	Vertex Inc (VERX)	S Sale	8,678 -16.8% 19.17 USD 166,392	8,678 -16.8%	19.17	USD 166,392
2021-06-17	2021-06-15	Vertex Inc (VERX)	S Sale	16,000 -23.6% 18.98 USD 303,728	16,000 -23.6%	18.98	USD 303,728