Stock chart
Ticker: KRT Exchange: NSM


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Purchase Sale Planned purchase Planned sale Net purchase Net sale
Past 90 days
 
Value bought
 
Value sold
 
Net insiders buying
 
Trades (buy and sell)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Total value Details
2023-09-19 2023-09-19 S Sale

Cheng Marvin

VP-Manufacturing, Secy

Officer
150,000 -2.4%
21.00
3,150,000 USD
150,000 -2.4% 21.00 3,150,000 USD
2023-09-14 2023-09-12 S Sale

Yu Alan

Chief Executive Officer

Executive Director
500,000 -6.7%
21.00
10,500,000 USD
500,000 -6.7% 21.00 10,500,000 USD
2023-09-14 2023-09-12 S Sale

Cheng Marvin

VP-Manufacturing, Secy

Officer
500,000 -7.4%
21.00
10,500,000 USD
500,000 -7.4% 21.00 10,500,000 USD
2022-12-20 2022-12-16 B Purchase

Yu Alan

CEO and Chairman of the BOD

Executive Director
7,100 +0.1%
12.97
92,087 USD
7,100 +0.1% 12.97 92,087 USD
2022-12-20 2022-12-16 B Purchase

Cheng Marvin

VP-Manufacturing, Secy

Officer
1,000 +0.0%
13.44
13,440 USD
1,000 +0.0% 13.44 13,440 USD
2022-12-15 2022-12-15 B Purchase

Yu Alan

CEO and Chairman of the BOD

Executive Director
4,500 +0.1%
13.70
61,650 USD
4,500 +0.1% 13.70 61,650 USD
2022-12-15 2022-12-13 B Purchase

Yu Alan

CEO and Chairman of the BOD

Executive Director
4,000 +0.1%
13.84
55,360 USD
4,000 +0.1% 13.84 55,360 USD
2022-12-13 2022-12-09 B Purchase

Yu Alan

CEO and Chairman of the BOD

Executive Director
7,000 +0.1%
13.95
97,636 USD
7,000 +0.1% 13.95 97,636 USD
2022-12-07 2022-12-06 B Purchase

Yu Alan

CEO and Chairman of the BOD

Executive Director
700 +0.0%
14.29
10,004 USD
700 +0.0% 14.29 10,004 USD
2022-12-07 2022-12-05 B Purchase

Yu Alan

CEO and Chairman of the BOD

Executive Director
1,100 +0.0%
13.96
15,352 USD
1,100 +0.0% 13.96 15,352 USD
2022-12-02 2022-12-02 B Purchase

Yu Alan

CEO & Chairman of the BOD

Executive Director
16,800 +0.2%
14.03
235,704 USD
16,800 +0.2% 14.03 235,704 USD
2022-12-02 2022-12-01 B Purchase

Yu Alan

CEO & Chairman of the BOD

Executive Director
9,000 +0.1%
14.37
129,321 USD
9,000 +0.1% 14.37 129,321 USD
2022-12-02 2022-11-30 B Purchase

Yu Alan

CEO & Chairman of the BOD

Executive Director
22,100 +0.3%
13.96
308,428 USD
22,100 +0.3% 13.96 308,428 USD
2022-11-29 2022-11-28 B Purchase

Yu Alan

CEO and Chairman of the BOD

Executive Director
4,000 +0.1%
13.47
53,880 USD
4,000 +0.1% 13.47 53,880 USD
2022-11-18 2022-11-18 B Purchase

Yu Alan

CEO and Chairman of the BOD

Executive Director
2,400 +0.0%
14.00
33,600 USD
2,400 +0.0% 14.00 33,600 USD
2022-11-17 2022-11-17 B Purchase

Guo Jian

Chief Financial Officer

Officer
500 +inf%
13.93
6,965 USD
500 +inf% 13.93 6,965 USD
2022-11-17 2022-11-17 B Purchase

Guo Jian

Chief Financial Officer

Officer
350 +inf%
14.00
4,899 USD
350 +inf% 14.00 4,899 USD
2022-11-15 2022-11-14 B Purchase

Yu Alan

CEO and Chairman of the BOD

Executive Director
2,300 +0.0%
13.85
31,855 USD
2,300 +0.0% 13.85 31,855 USD
2022-09-16 2022-09-16 S Sale

Wang Joanne Tzu Jung

Chief Operating Officer

Executive Director
12,000 -86.0%
17.21
206,579 USD
12,000 -86.0% 17.21 206,579 USD
2022-09-16 2022-09-14 S Sale

Cheng Marvin

VP-Manufacturing, Secy

Officer
500 -0.0%
18.25
9,125 USD
500 -0.0% 18.25 9,125 USD
2022-09-13 2022-09-13 S Sale

Cheng Marvin

VP-Manufacturing, Secy

Officer
1,000 -0.0%
18.13
18,125 USD
1,000 -0.0% 18.13 18,125 USD
2022-09-13 2022-09-09 S Sale

Cheng Marvin

VP-Manufacturing, Secy

Officer
2,000 -0.0%
18.28
36,550 USD
2,000 -0.0% 18.28 36,550 USD
2022-09-09 2022-09-08 S Sale

Cheng Marvin

VP-Manufacturing, Secy

Officer
282 -0.0%
18.30
5,161 USD
282 -0.0% 18.30 5,161 USD
2022-09-09 2022-09-07 S Sale

Cheng Marvin

VP-Manufacturing, Secy

Officer
1,721 -0.0%
18.20
31,322 USD
1,721 -0.0% 18.20 31,322 USD
2022-09-06 2022-09-02 S Sale

Cheng Marvin

VP-Manufacturing, Secy

Officer
1,122 -0.0%
18.26
20,488 USD
1,122 -0.0% 18.26 20,488 USD
2022-09-01 2022-08-31 S Sale

Cheng Marvin

VP-Manufacturing, Secy

Officer
500 -0.0%
18.50
9,250 USD
500 -0.0% 18.50 9,250 USD
2022-09-01 2022-08-30 S Sale

Cheng Marvin

VP-Manufacturing, Secy

Officer
1,200 -0.0%
18.77
22,524 USD
1,200 -0.0% 18.77 22,524 USD
2022-08-24 2022-08-23 S Sale

Cheng Marvin

VP-Manufacturing, Secy

Officer
800 -0.0%
18.56
14,848 USD
800 -0.0% 18.56 14,848 USD
2022-08-22 2022-08-18 S Sale

Cheng Marvin

VP-Manufacturing, Secy

Officer
1,000 -0.0%
18.60
18,600 USD
1,000 -0.0% 18.60 18,600 USD
2022-05-19 2022-05-18 S Sale

Yen Eve

Non-Executive Director
4,000 -80.0%
19.85
79,400 USD
4,000 -80.0% 19.85 79,400 USD
2021-12-14 2021-12-14 S Sale

Cheng Marvin

VP-Manufacturing, Secy

Officer
5,221 -0.1%
19.78
103,271 USD
5,221 -0.1% 19.78 103,271 USD
2021-12-14 2021-12-14 S Sale

Cheng Marvin

VP-Manufacturing, Secy

Officer
400 -0.0%
19.97
7,988 USD
400 -0.0% 19.97 7,988 USD
2021-12-14 2021-12-13 S Sale

Cheng Marvin

VP-Manufacturing, Secy

Officer
500 -0.0%
21.50
10,750 USD
500 -0.0% 21.50 10,750 USD
2021-12-13 2021-12-10 S Sale

Cheng Marvin

VP-Manufacturing, Secy

Officer
1,234 -0.0%
21.50
26,531 USD
1,234 -0.0% 21.50 26,531 USD
2021-12-08 2021-12-07 S Sale

Cheng Marvin

VP-Manufacturing, Secy & Dir.

Executive Director
2,645 -0.0%
21.52
56,920 USD
2,645 -0.0% 21.52 56,920 USD
2021-07-28 2021-05-06 B Purchase

Cheng Marvin

VP-Manufacturing, Secy & Dir.

Executive Director Major owner
200 +0.0%
16.92
3,384 USD
200 +0.0% 16.92 3,384 USD
2021-07-28 2021-04-21 B Purchase

Cheng Marvin

VP-Manufacturing, Secy & Dir.

Executive Director Major owner
100 +0.0%
18.37
1,837 USD
100 +0.0% 18.37 1,837 USD
2021-07-28 2021-04-19 B Purchase

Cheng Marvin

VP-Manufacturing, Secy & Dir.

Executive Director Major owner
5 +0.0%
18.08
90 USD
5 +0.0% 18.08 90 USD
2021-07-28 2021-04-19 B Purchase

Cheng Marvin

VP-Manufacturing, Secy & Dir.

Executive Director Major owner
100 +0.0%
18.05
1,805 USD
100 +0.0% 18.05 1,805 USD