Gelhaus Ken

• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity 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
2023-12-01	2023-11-30	Alpha Teknova Inc (TKNO)	PP Planned purchase	35,090 +35.5% 164.73 US$68,760	35,090 +35.5%	164.73	US$68,760
2023-05-16	2023-05-12	Alpha Teknova Inc (TKNO)	PP Planned purchase	85,607 -17.2% 449.71 US$3,737,276	85,607 -17.2%	449.71	US$3,737,276
2022-11-17	2022-11-14	Alpha Teknova Inc (TKNO)	PP Planned purchase	80,977 -44.5% 218.14 US$415,705	80,977 -44.5%	218.14	US$415,705