Edgar Giesinger

Currently holds a position at Geospace Technologies Corp

1.6

1.6

Position	Company	Period
Independent Director	Geospace Technologies Corp	Nov. 18, 2015 -

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

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Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other

Notification date	Transaction date	Company	B/S Transaction type	Nb. shares Price Value	Number of shares	Price	Value	Details
2025-08-26	2025-08-25	Solaris Oilfield Infrastructure Inc (SOI)	S Sale	1,437 -15.0% 295.85 US$612,465	1,437 -15.0%	295.85	US$612,465
2019-11-04	2019-11-04	Solaris Oilfield Infrastructure Inc (SOI)	B Purchase	81,873 -24.8% 210.84 US$4,079,474	81,873 -24.8%	210.84	US$4,079,474