Calvin Hu

(Dr. Chenming Hu Ph.D.)

Currently holds positions in Inphi Corp and Fortinet Inc

Positions

Position Company Period
Independent Director Inphi Corp Aug. 1, 2010 -
Independent Director Fortinet Inc June 1, 2012 -
Independent Director Sandisk LLC Aug. 4, 2009 - May 12, 2016
Calvin Hu's trades of ACM Research Inc's stock


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Earnings
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
2025-03-19 2025-03-17
PS Planned sale
163,308 -62.0%
30.00
USD 4,899,240 		163,308 -62.0% 30.00 USD 4,899,240
2021-09-02 2021-09-01
US Ambarella Inc (AMBA)
PS Planned sale
4,000 -19.1%
120.00
USD 480,000 		4,000 -19.1% 120.00 USD 480,000
2021-02-16 2021-02-12
PS Planned sale
10,000 -32.2%
120.00
USD 1,200,000 		10,000 -32.2% 120.00 USD 1,200,000
2020-12-04 2020-12-03
US Ambarella Inc (AMBA)
PS Planned sale
5,818 -24.3%
88.00
USD 511,984 		5,818 -24.3% 88.00 USD 511,984
2020-12-02 2020-11-27
US Ambarella Inc (AMBA)
PS Planned sale
5,000 -17.3%
78.00
USD 390,000 		5,000 -17.3% 78.00 USD 390,000
2020-11-25 2020-11-24
US Ambarella Inc (AMBA)
PS Planned sale
5,000 -14.8%
70.67
USD 353,350 		5,000 -14.8% 70.67 USD 353,350
2020-08-05 2020-08-03
PS Planned sale
7,806 -100.0%
100.00
USD 780,600 		7,806 -100.0% 100.00 USD 780,600
2020-07-15 2020-07-13
PS Planned sale
14,000 -64.2%
84.15
USD 1,178,100 		14,000 -64.2% 84.15 USD 1,178,100
2020-06-05 2020-06-03
S Sale
8,194 -27.3%
65.12
USD 533,593 		8,194 -27.3% 65.12 USD 533,593
2019-10-01 2019-09-30
US Ambarella Inc (AMBA)
S Sale
10,000 -25.4%
63.00
USD 630,000 		10,000 -25.4% 63.00 USD 630,000
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