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Zhang Jack Y.
Zhang Jack Y.
Director
Director
☆
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Total trades
10
Bought (open market)
$0
Sold (open market)
$0
Tickers traded
1
Recent trades
Most recent Form 4 filings by Zhang Jack Y..
Zhang Jack Y.
tax-withheld
9,784 shares of
AMPH
at $18.18
$178K
Mar 15
· filed
Mar 17
Details
Zhang Jack Y.
tax-withheld
2,908 shares of
AMPH
at $18.18
$53K
Mar 15
· filed
Mar 17
Details
Zhang Jack Y.
tax-withheld
14,785 shares of
AMPH
at $18.91
$280K
Mar 10
· filed
Mar 11
Details
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Zhang Jack Y.
tax-withheld
4,395 shares of
AMPH
at $18.91
$83K
Mar 10
· filed
Mar 11
Details
Zhang Jack Y.
granted
180,504 shares of
AMPH
at $0
Mar 9
· filed
Mar 11
Details
Zhang Jack Y.
granted
72,462 shares of
AMPH
at $0
Mar 9
· filed
Mar 11
Details
Zhang Jack Y.
granted
372,338 shares of
AMPH
at $0
Mar 9
· filed
Mar 11
Details
Zhang Jack Y.
granted
149,472 shares of
AMPH
at $0
Mar 9
· filed
Mar 11
Details
Zhang Jack Y.
tax-withheld
7,773 shares of
AMPH
at $19.34
$150K
Mar 6
· filed
Mar 10
Details
Zhang Jack Y.
tax-withheld
3,077 shares of
AMPH
at $19.34
$60K
Mar 6
· filed
Mar 10
Details
Zhang Jack Y.
tax-withheld
5,769 shares of
AMPH
at $19.96
$115K
Mar 4
· filed
Mar 6
Details
Zhang Jack Y.
tax-withheld
2,432 shares of
AMPH
at $19.96
$49K
Mar 4
· filed
Mar 6
Details