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Insider Trading - Wang David H

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"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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SPAC List: List of Special Purpose Acquisition Companies

Insider Trading Transactions for Wang David H

Common stock purchase or sale:
Transaction
Date
Reported
DateTime
Company Symbol Insider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2020-09-03
Sale
2020-09-04
6:35 pm
ACM Research Inc. ACMR Wang David H
Director
10% Owner
69,453 $81.36 $5,650,796 168,006
(Indirect
Direct)
View
2020-12-03
Sale
2020-12-07
5:30 pm
ACM Research Inc. ACMR Wang David H
Director
10% Owner
98,983 $79.83 $7,901,732 168,006
(Indirect
Direct)
View
2021-03-18
Sale
2021-03-22
5:30 pm
ACM Research Inc. ACMR Wang David H
Director
10% Owner
99,228 $91.24 $9,053,595 168,006
(Indirect
Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
Company Symnbol Insider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2018-06-29
Exercise
2018-07-03
4:36 pm
N/A
N/A
ACM Research Inc. ACMR Wang David H
Director
10% Owner
15,279 $3 15,279
(Indirect)
View
2018-06-29
Exercise
2018-07-03
4:36 pm
N/A
2026-12-27
ACM Research Inc. ACMR Wang David H
Director
10% Owner
15,279 $0 0
(Indirect)
View
2019-04-23
Option Award
2019-04-25
8:02 pm
N/A
2029-04-22
ACM Research Inc. ACMR Wang David H
Director
10% Owner
50,000 $0 50,000
(Direct)
View
2019-08-20
Exercise
2019-08-21
6:18 pm
N/A
N/A
ACM Research Inc. ACMR Wang David H
Director
10% Owner
30,000 $0.75 196,667
(Direct)
View
2019-08-20
Exercise
2019-08-21
6:18 pm
N/A
2021-05-01
ACM Research Inc. ACMR Wang David H
Director
10% Owner
30,000 $0 103,334
(Direct)
View
2019-08-23
Disposition
2019-08-27
8:44 pm
N/A
N/A
ACM Research Inc. ACMR Wang David H
Director
10% Owner
28,661 $13.19 168,006
(Direct)
View
2020-05-21
Conversion
2020-05-26
5:30 pm
N/A
N/A
ACM Research Inc. ACMR Wang David H
Director
10% Owner
33,334 $0 33,334
(Indirect)
View
2020-05-21
Conversion
2020-05-26
5:30 pm
N/A
N/A
ACM Research Inc. ACMR Wang David H
Director
10% Owner
33,334 $0 0
(Indirect)
View
2020-08-05
Option Award
2020-08-07
7:03 pm
N/A
2030-03-19
ACM Research Inc. ACMR Wang David H
Director
10% Owner
181,799 $0 181,799
(Direct)
View
2020-08-27
Exercise
2020-08-31
5:30 pm
N/A
N/A
ACM Research Inc. ACMR Wang David H
Director
10% Owner
70,000 $0.75 238,006
(Direct)
View
2020-08-27
Tax Withholding
2020-08-31
5:30 pm
N/A
N/A
ACM Research Inc. ACMR Wang David H
Director
10% Owner
547 $96.05 237,459
(Direct)
View
2020-08-27
Exercise
2020-08-31
5:30 pm
N/A
2021-05-01
ACM Research Inc. ACMR Wang David H
Director
10% Owner
70,000 $0 33,334
(Direct)
View
2020-11-25
Exercise
2020-11-27
5:30 pm
N/A
N/A
ACM Research Inc. ACMR Wang David H
Director
10% Owner
33,334 $0.75 201,340
(Direct)
View
2020-11-25
Tax Withholding
2020-11-27
5:30 pm
N/A
N/A
ACM Research Inc. ACMR Wang David H
Director
10% Owner
339 $73.76 201,001
(Direct)
View
2020-11-25
Exercise
2020-11-27
5:30 pm
N/A
N/A
ACM Research Inc. ACMR Wang David H
Director
10% Owner
66,666 $0.75 267,667
(Direct)
View
2020-11-25
Tax Withholding
2020-11-27
5:30 pm
N/A
N/A
ACM Research Inc. ACMR Wang David H
Director
10% Owner
678 $73.76 266,989
(Direct)
View
2020-11-25
Exercise
2020-11-27
5:30 pm
N/A
2021-05-01
ACM Research Inc. ACMR Wang David H
Director
10% Owner
33,334 $0 0
(Direct)
View
2020-11-25
Exercise
2020-11-27
5:30 pm
N/A
2021-05-01
ACM Research Inc. ACMR Wang David H
Director
10% Owner
66,666 $0 100,001
(Direct)
View
2021-03-12
Exercise
2021-03-16
5:30 pm
N/A
N/A
ACM Research Inc. ACMR Wang David H
Director
10% Owner
100,001 $0.75 268,007
(Direct)
View
2021-03-12
Tax Withholding
2021-03-16
5:30 pm
N/A
N/A
ACM Research Inc. ACMR Wang David H
Director
10% Owner
773 $97.05 267,234
(Direct)
View
2021-03-12
Exercise
2021-03-16
5:30 pm
N/A
2021-05-01
ACM Research Inc. ACMR Wang David H
Director
10% Owner
100,001 $0 0
(Direct)
View