Insider
Date
Role
Action
Shares
Price
Amount
William J Peters
21 Sep 2026
CFO, EVP & Treasurer
Sold on a plan
4,139
$25.00
$103.48K
Rong Zhou
16 Sep 2026
Senior EVP, Production Center
Sold after exercise
10,000
$23.94
$239.40K
Rong Zhou
2 Sep 2026
Senior EVP, Production Center
Sell
3,187
$23.63
$75.31K
Richard K Prins
11 Aug 2026
Director
Sell
7,973
$20.30
$161.85K
William J Peters
7 Aug 2026
CFO, EVP & Treasurer
Sold after exercise
8,180
$22.48
$183.89K
Rong Zhou
17 Dec 2025
Senior EVP, Production Center
Sold after exercise
9,787
$26.20
$256.38K
Floyd F. Petersen
12 Dec 2025
Director
Sell
2,426
$25.92
$62.89K
Floyd F. Petersen
11 Dec 2025
Director
Sell
1,737
$25.69
$44.62K
Richard K Prins
25 Nov 2025
Director
Sold after exercise
4,179
$27.10
$113.25K
Floyd F. Petersen
13 Nov 2025
Director
Sold after exercise
16,679
$26.49
$441.84K
Floyd F. Petersen
3 Nov 2025
Director
Sold on a plan
500
$25.27
$12.63K
Floyd F. Petersen
1 Oct 2025
Director
Sold on a plan
500
$27.20
$13.60K
Floyd F. Petersen
2 Sep 2025
Director
Sold on a plan
500
$30.98
$15.49K
Floyd F. Petersen
1 Aug 2025
Director
Sold on a plan
500
$20.83
$10.42K
Floyd F. Petersen
2 Jul 2025
Director
Sold on a plan
500
$23.47
$11.73K
Jack Y. Zhang
13 Jun 2025
CEO & Chief Scientific Officer
Exercised, kept
200,000
$13.03
$2.61M
Floyd F. Petersen
2 Jun 2025
Director
Sold on a plan
500
$25.67
$12.84K
Floyd F. Petersen
1 May 2025
Director
Sold on a plan
500
$24.08
$12.04K
Floyd F. Petersen
1 Apr 2025
Director
Sold on a plan
500
$28.38
$14.19K
Jack Y. Zhang
14 Mar 2025
CEO & Chief Scientific Officer
Exercised, kept
indirect
211,213
$14.69
$3.10M
Jack Y. Zhang
14 Mar 2025
CEO & Chief Scientific Officer
Exercised, kept
290,477
$14.69
$4.27M
Floyd F. Petersen
6 Mar 2025
Director
Sold on a plan
1,000
$27.99
$27.99K
William J Peters
4 Mar 2025
CFO, EVP & Treasurer
Sold after exercise
4,231
$27.54
$116.52K
Rong Zhou
13 Dec 2024
Senior EVP, Production Center
Sold after exercise
8,000
$45.23
$361.84K
Rong Zhou
12 Dec 2024
Senior EVP, Production Center
Sold after exercise
7,000
$44.43
$310.98K
Richard K Prins
9 Dec 2024
Director
Sold after exercise
10,000
$43.77
$437.70K
Richard K Prins
12 Nov 2024
Director
Sold after exercise
5,000
$48.80
$243.99K
Rong Zhou
12 Nov 2024
Senior EVP, Production Center
Sold after exercise
6,893
$48.88
$336.93K
William J Peters
6 Nov 2024
CFO, EVP & Treasurer
Sold after exercise
7,426
$52.05
$386.52K
Yakob Liawatidewi
6 Nov 2024
EVP Corp Admin Center
Sold after exercise
5,214
$52.05
$271.39K
Jack Y. Zhang
13 Sep 2024
CEO & Chief Scientific Officer
Exercised, kept
100,000
$14.69
$1.47M
Rong Zhou
13 Sep 2024
Senior EVP, Production Center
Sold after exercise
3,000
$48.26
$144.78K
Floyd F. Petersen
5 Sep 2024
Director
Sell
3,000
$46.47
$139.42K
Rong Zhou
26 Aug 2024
Senior EVP, Production Center
Sold after exercise
4,000
$48.35
$193.40K
Richard K Prins
12 Aug 2024
Director
Sold after exercise
17,101
$43.07
$736.55K
William J Peters
31 Jul 2024
CFO, EVP & Treasurer
Sold after exercise
10,282
$44.23
$454.77K
William J Peters
27 Jun 2024
CFO, EVP & Treasurer
Sold on a plan
635
$41.29
$26.22K
William J Peters
27 Jun 2024
CFO, EVP & Treasurer
Sold on a plan
2,961
$40.85
$120.95K
Floyd F. Petersen
10 Jun 2024
Director
Sell
3,000
$41.40
$124.20K
Jack Y. Zhang
10 Jun 2024
CEO & Chief Scientific Officer
Exercised, kept
100,000
$14.69
$1.47M
Floyd F. Petersen
3 Jun 2024
Director
Sold on a plan
500
$42.65
$21.33K
Floyd F. Petersen
1 May 2024
Director
Sold on a plan
500
$41.67
$20.84K
Floyd F. Petersen
1 Apr 2024
Director
Sold on a plan
500
$43.43
$21.71K
Jack Y. Zhang
15 Mar 2024
CEO & Chief Scientific Officer
Exercised, kept
indirect
310,930
$12.46
$3.87M
Jack Y. Zhang
15 Mar 2024
CEO & Chief Scientific Officer
Exercised, kept
722,046
$12.46
$9.00M
William J Peters
6 Mar 2024
CFO, EVP & Treasurer
Sold after exercise
51
$48.00
$2.45K
William J Peters
6 Mar 2024
CFO, EVP & Treasurer
Sold after exercise
4,681
$46.98
$219.90K
William J Peters
6 Mar 2024
CFO, EVP & Treasurer
Sold after exercise
13,404
$46.30
$620.54K
Michael A Zasloff
5 Mar 2024
Director
Sell
3,111
$47.53
$147.85K
Michael A Zasloff
5 Mar 2024
Director
Sell
9,389
$47.06
$441.87K
Floyd F. Petersen
1 Mar 2024
Director
Sold on a plan
49
$46.53
$2.28K
Floyd F. Petersen
1 Mar 2024
Director
Sold on a plan
451
$45.60
$20.57K
Floyd F. Petersen
1 Feb 2024
Director
Sold on a plan
26
$53.64
$1.39K
Floyd F. Petersen
1 Feb 2024
Director
Sold on a plan
474
$53.07
$25.15K
Mary Z. Luo
10 Jan 2024
COO,Chief Scientist & Chairman
Sold on a plan
1,716
$57.00
$97.82K
Mary Z. Luo
10 Jan 2024
COO,Chief Scientist & Chairman
Sold on a plan
920
$55.95
$51.48K
Mary Z. Luo
10 Jan 2024
COO,Chief Scientist & Chairman
Sold on a plan
50,514
$54.89
$2.77M
Mary Z. Luo
10 Jan 2024
COO,Chief Scientist & Chairman
Sold on a plan
78,236
$54.32
$4.25M
Mary Z. Luo
9 Jan 2024
COO,Chief Scientist & Chairman
Sold on a plan
3,714
$58.35
$216.72K
Mary Z. Luo
9 Jan 2024
COO,Chief Scientist & Chairman
Sold on a plan
31,764
$57.70
$1.83M
Mary Z. Luo
9 Jan 2024
COO,Chief Scientist & Chairman
Sold on a plan
50,678
$56.70
$2.87M
Mary Z. Luo
8 Jan 2024
COO,Chief Scientist & Chairman
Sold on a plan
2,152
$63.27
$136.15K
Mary Z. Luo
8 Jan 2024
COO,Chief Scientist & Chairman
Sold on a plan
1,663
$61.81
$102.78K
Mary Z. Luo
8 Jan 2024
COO,Chief Scientist & Chairman
Sold on a plan
4,261
$61.19
$260.74K
Mary Z. Luo
8 Jan 2024
COO,Chief Scientist & Chairman
Sold on a plan
27,563
$59.99
$1.65M
Mary Z. Luo
8 Jan 2024
COO,Chief Scientist & Chairman
Sold on a plan
37,865
$59.24
$2.24M
Mary Z. Luo
8 Jan 2024
COO,Chief Scientist & Chairman
Sold on a plan
41,282
$58.25
$2.40M
Mary Z. Luo
8 Jan 2024
COO,Chief Scientist & Chairman
Sold on a plan
18,858
$56.98
$1.07M
Floyd F. Petersen
2 Jan 2024
Director
Sold on a plan
353
$61.70
$21.78K
Floyd F. Petersen
2 Jan 2024
Director
Sold on a plan
147
$60.56
$8.90K
Rong Zhou
4 Dec 2023
Senior EVP, Production Center
Sold after exercise
3,514
$59.58
$209.36K
Floyd F. Petersen
1 Dec 2023
Director
Sold on a plan
365
$58.15
$21.22K
Floyd F. Petersen
1 Dec 2023
Director
Sold on a plan
135
$57.24
$7.73K
Rong Zhou
1 Dec 2023
Senior EVP, Production Center
Sold after exercise
4,316
$58.58
$252.83K
Richard K Prins
17 Nov 2023
Director
Sell
4,000
$55.86
$223.45K
Gayle Deflin
14 Nov 2023
Director
Sell
4,163
$55.45
$230.84K
William J Peters
14 Nov 2023
CFO, EVP & Treasurer
Sold after exercise
14,868
$56.53
$840.55K
William J Peters
14 Nov 2023
CFO, EVP & Treasurer
Sold after exercise
30,162
$55.67
$1.68M
William J Peters
14 Nov 2023
CFO, EVP & Treasurer
Sold after exercise
14,220
$54.76
$778.72K
Richard K Prins
13 Nov 2023
Director
Sell
5,000
$52.50
$262.50K
Floyd F. Petersen
1 Nov 2023
Director
Sold on a plan
500
$45.30
$22.65K
Floyd F. Petersen
2 Oct 2023
Director
Sold on a plan
500
$45.78
$22.89K
William J Peters
6 Sep 2023
CFO, EVP & Treasurer
Sold after exercise
59
$52.26
$3.08K
William J Peters
6 Sep 2023
CFO, EVP & Treasurer
Sold after exercise
60,684
$51.75
$3.14M
Yakob Liawatidewi
28 Aug 2023
EVP Corp Admin Center
Sold after exercise
28,816
$53.13
$1.53M
Richard K Prins
18 Aug 2023
Director
Sell
2,000
$52.50
$105.01K
Richard K Prins
15 Aug 2023
Director
Sell
4,163
$57.39
$238.91K
Michael A Zasloff
15 Aug 2023
Director
Sell
12,759
$57.22
$730.03K
Rong Zhou
20 Jun 2023
EVP, Production Center
Exercised, kept
9,651
$11.33
$109.35K
William J Peters
15 Jun 2023
CFO, EVP & Treasurer
Sold after exercise
13,000
$52.79
$686.27K
William J Peters
15 Jun 2023
CFO, EVP & Treasurer
Sold after exercise
12,000
$50.79
$609.48K
William J Peters
15 Jun 2023
CFO, EVP & Treasurer
Sold after exercise
11,868
$48.79
$579.04K
Rong Zhou
15 Jun 2023
EVP, Production Center
Sold after exercise
5,000
$51.79
$258.95K
Rong Zhou
13 Jun 2023
EVP, Production Center
Sold after exercise
5,000
$48.24
$241.20K
William J Peters
2 Jun 2023
CFO, EVP & Treasurer
Sold after exercise
11,000
$46.35
$509.86K
Howard Lee
1 Jun 2023
Director
Sold after exercise
16,679
$45.02
$750.96K
Gayle Deflin
18 May 2023
Director
Sell
4,519
$44.01
$198.89K
Rong Zhou
18 May 2023
EVP, Production Center
Sold after exercise
10,000
$44.21
$442.05K
William J Peters
18 May 2023
CFO, EVP & Treasurer
Sold after exercise
10,500
$44.35
$465.68K
Floyd F. Petersen
17 May 2023
Director
Sell
5,000
$43.13
$215.66K
Richard K Prins
15 May 2023
Director
Sold after exercise
5,000
$43.50
$217.50K
Michael A Zasloff
15 May 2023
Director
Sell
7,500
$42.18
$316.34K
Gayle Deflin
15 May 2023
Director
Sell
1,500
$43.15
$64.73K
Richard K Prins
12 May 2023
Director
Sold after exercise
5,000
$42.06
$210.32K
William J Peters
17 Apr 2023
CFO, EVP & Treasurer
Sold after exercise
5,632
$42.35
$238.52K
William J Peters
13 Apr 2023
CFO, EVP & Treasurer
Sold after exercise
4,868
$42.35
$206.16K
Yakob Liawatidewi
13 Apr 2023
EVP Corp Admin Center
Sold after exercise
6,494
$42.00
$272.75K
Yakob Liawatidewi
13 Apr 2023
EVP Corp Admin Center
Sold after exercise
5,000
$41.00
$205.00K
William J Peters
10 Apr 2023
CFO, EVP & Treasurer
Sold after exercise
10,032
$40.35
$404.79K
Yakob Liawatidewi
10 Apr 2023
EVP Corp Admin Center
Sold after exercise
5,000
$40.00
$200.00K
Floyd F. Petersen
3 Apr 2023
Director
Sold on a plan
491
$37.72
$18.52K
William J Peters
15 Mar 2023
CFO, EVP & Treasurer
Sold after exercise
12,776
$36.43
$465.47K
Floyd F. Petersen
1 Mar 2023
Director
Sell
87
$37.25
$3.24K
Floyd F. Petersen
1 Mar 2023
Director
Sell
412
$36.59
$15.07K
Floyd F. Petersen
1 Mar 2023
Director
Sell
1
$33.70
$33.70
William J Peters
1 Mar 2023
CFO, EVP & Treasurer
Sold after exercise
10,974
$36.33
$398.69K
Floyd F. Petersen
1 Feb 2023
Director
Sell
500
$30.35
$15.18K
Floyd F. Petersen
3 Jan 2023
Director
Sell
500
$27.94
$13.97K
Floyd F. Petersen
1 Dec 2022
Director
Sell
500
$30.13
$15.07K
Floyd F. Petersen
1 Nov 2022
Director
Sell
500
$31.13
$15.57K
Floyd F. Petersen
3 Oct 2022
Director
Sell
500
$28.59
$14.30K
Floyd F. Petersen
1 Sep 2022
Director
Sell
500
$29.44
$14.72K
Yakob Liawatidewi
9 Aug 2022
EVP Corp Admin Center
Sold after exercise
3,055
$39.00
$119.15K
William J Peters
9 Aug 2022
CFO, EVP & Treasurer
Sold after exercise
10,000
$38.35
$383.50K
Yakob Liawatidewi
8 Aug 2022
EVP Corp Admin Center
Sold after exercise
5,000
$38.00
$190.00K
Floyd F. Petersen
1 Aug 2022
Director
Sell
500
$37.48
$18.74K
Diane G. Gerst
18 Jul 2022
Director
Sold after exercise
1,520
$37.23
$56.60K
Yakob Liawatidewi
15 Jul 2022
EVP Corp Admin Center
Sold after exercise
7,359
$36.97
$272.09K
Yakob Liawatidewi
15 Jul 2022
EVP Corp Admin Center
Sold after exercise
3,478
$35.94
$125.00K
Diane G. Gerst
11 Jul 2022
Director
Sold after exercise
1,521
$36.26
$55.14K
Diane G. Gerst
5 Jul 2022
Director
Sold after exercise
1,813
$35.00
$63.46K
Floyd F. Petersen
1 Jul 2022
Director
Sell
500
$34.78
$17.39K
William J Peters
30 Jun 2022
CFO, EVP & Treasurer
Sold after exercise
18,386
$34.95
$642.59K
Diane G. Gerst
30 Jun 2022
Director
Sold after exercise
5,146
$35.00
$180.11K
William J Peters
17 Jun 2022
CFO, EVP & Treasurer
Sell
5,512
$32.05
$176.68K
Howard Lee
6 Jun 2022
Director
Sold after exercise
10,291
$37.79
$388.86K
Floyd F. Petersen
1 Jun 2022
Director
Sell
120
$37.67
$4.52K
Floyd F. Petersen
1 Jun 2022
Director
Sell
380
$36.79
$13.98K
Howard Lee
23 May 2022
Director
Sold after exercise
10,000
$34.93
$349.32K
Jack Y. Zhang
20 May 2022
CEO & Chief Scientific Officer
Sell
10,650
$34.21
$364.37K
Jack Y. Zhang
19 May 2022
CEO & Chief Scientific Officer
Sell
115
$34.28
$3.94K
Jack Y. Zhang
19 May 2022
CEO & Chief Scientific Officer
Sell
41,615
$33.76
$1.40M
Floyd F. Petersen
18 May 2022
Director
Sold after exercise
9,924
$35.05
$347.83K
Jack Y. Zhang
18 May 2022
CEO & Chief Scientific Officer
Sell
2,006
$35.78
$71.78K
Jack Y. Zhang
18 May 2022
CEO & Chief Scientific Officer
Sell
9,776
$34.77
$339.93K
Jack Y. Zhang
18 May 2022
CEO & Chief Scientific Officer
Sell
55,264
$33.97
$1.88M
Jack Y. Zhang
17 May 2022
CEO & Chief Scientific Officer
Sell
2,837
$36.14
$102.53K
Jack Y. Zhang
17 May 2022
CEO & Chief Scientific Officer
Sell
47,539
$35.74
$1.70M
Michael A Zasloff
16 May 2022
Director
Sold after exercise
10,291
$35.61
$366.50K
Jack Y. Zhang
16 May 2022
CEO & Chief Scientific Officer
Sell
13,795
$36.41
$502.27K
Jack Y. Zhang
16 May 2022
CEO & Chief Scientific Officer
Sell
54,274
$35.58
$1.93M
Floyd F. Petersen
2 May 2022
Director
Sell
27
$35.52
$958.91
Floyd F. Petersen
2 May 2022
Director
Sell
268
$35.15
$9.42K
Floyd F. Petersen
1 Apr 2022
Director
Sell
63
$37.35
$2.35K
Floyd F. Petersen
1 Apr 2022
Director
Sell
437
$36.59
$15.99K
Michael A Zasloff
16 Mar 2022
Director
Sold after exercise
10,000
$33.71
$337.07K
William J Peters
16 Mar 2022
CFO, EVP & Treasurer
Sold after exercise
3,760
$34.36
$129.20K
William J Peters
16 Mar 2022
CFO, EVP & Treasurer
Sold after exercise
47,017
$33.93
$1.60M
William J Peters
15 Mar 2022
CFO, EVP & Treasurer
Sell
7,900
$34.46
$272.25K
Richard K Prins
15 Mar 2022
Director
Sold after exercise
10,000
$34.02
$340.21K
William J Peters
7 Mar 2022
CFO, EVP & Treasurer
Sold after exercise
13,026
$29.35
$382.31K
Floyd F. Petersen
1 Mar 2022
Director
Sell
500
$27.27
$13.64K
William J Peters
25 Feb 2022
CFO, EVP & Treasurer
Sold after exercise
12,000
$28.95
$347.40K
William J Peters
25 Feb 2022
CFO, EVP & Treasurer
Sold after exercise
11,000
$27.95
$307.45K
Rong Zhou
25 Feb 2022
EVP, Production Center
Sold after exercise
13,246
$28.77
$381.09K
William J Peters
8 Feb 2022
CFO, EVP & Treasurer
Sold after exercise
10,000
$26.95
$269.50K
Rong Zhou
8 Feb 2022
EVP, Production Center
Sold after exercise
7,000
$26.77
$187.39K
Floyd F. Petersen
1 Feb 2022
Director
Sell
411
$24.24
$9.96K
Floyd F. Petersen
1 Feb 2022
Director
Sell
89
$23.37
$2.08K
William J Peters
10 Jan 2022
CFO, EVP & Treasurer
Sold after exercise
16,000
$25.40
$406.40K
Rong Zhou
10 Jan 2022
EVP, Production Center
Sold after exercise
10,251
$25.77
$264.16K
Rong Zhou
10 Jan 2022
EVP, Production Center
Sold after exercise
10,677
$24.96
$266.53K
William J Peters
7 Jan 2022
CFO, EVP & Treasurer
Sold after exercise
11,776
$24.90
$293.22K
William J Peters
7 Jan 2022
CFO, EVP & Treasurer
Sold after exercise
20,000
$24.15
$483.00K
Floyd F. Petersen
3 Jan 2022
Director
Sell
500
$23.22
$11.61K
William J Peters
30 Dec 2021
CFO, EVP & Treasurer
Sold after exercise
10,000
$23.40
$234.00K
Floyd F. Petersen
22 Dec 2021
Director
Sell
1,000
$22.50
$22.50K
William J Peters
21 Dec 2021
CFO, EVP & Treasurer
Sold after exercise
8,256
$22.40
$184.93K
William J Peters
16 Dec 2021
CFO, EVP & Treasurer
Sold after exercise
1,744
$22.40
$39.07K
Richard K Prins
10 Dec 2021
Director
Sold after exercise
5,291
$21.36
$113.01K
Richard K Prins
22 Nov 2021
Director
Sold after exercise
5,000
$21.22
$106.10K
William J Peters
11 Nov 2021
CFO, EVP & Treasurer
Sold after exercise
10,000
$21.33
$213.30K
Rong Zhou
11 Nov 2021
EVP, Production Center
Sold after exercise
7,813
$21.67
$169.31K
William J Peters
16 Aug 2021
CFO, EVP & Treasurer
Sell
6,589
$19.35
$127.52K
Yakob Liawatidewi
2 Aug 2021
EVP Corp Admin Center
Sold after exercise
8,932
$21.14
$188.80K
Rong Zhou
2 Aug 2021
EVP, Production Center
Sold after exercise
9,123
$21.24
$193.73K
Rong Zhou
26 Jul 2021
EVP, Production Center
Sold after exercise
6,000
$20.87
$125.22K
Rong Zhou
20 Jul 2021
EVP, Production Center
Sold after exercise
5,187
$20.57
$106.70K
Yakob Liawatidewi
15 Jul 2021
EVP Corp Admin Center
Sold after exercise
31,524
$20.01
$630.69K
William J Peters
7 Jul 2021
CFO, EVP & Treasurer
Sold after exercise
10,000
$20.37
$203.74K
Rong Zhou
9 Jun 2021
EVP, Production Center
Sell
4,732
$19.58
$92.65K
Howard Lee
8 Jun 2021
Director
Sold after exercise
8,000
$19.31
$154.51K
Rong Zhou
8 Jun 2021
EVP, Production Center
Sold after exercise
8,180
$19.34
$158.18K
Howard Lee
7 Jun 2021
Director
Sold after exercise
7,827
$19.28
$150.94K
Floyd F. Petersen
7 Jun 2021
Director
Sold after exercise
15,827
$19.34
$306.04K
Richard K Prins
7 Jun 2021
Director
Sold after exercise
5,000
$18.70
$93.50K
Richard K Prins
4 Jun 2021
Director
Sold after exercise
5,000
$18.77
$93.85K
Floyd F. Petersen
3 Jun 2021
Director
Sold after exercise
10,000
$18.65
$186.53K
Richard Koo
1 Jun 2021
Director
Sold after exercise
25,827
$19.28
$498.01K
Howard Lee
20 May 2021
Director
Sold after exercise
10,000
$19.74
$197.35K
Yakob Liawatidewi
17 May 2021
SVP Corp Admin Center
Sold after exercise
9,637
$19.99
$192.69K
Rong Zhou
14 May 2021
EVP, Production Center
Sold after exercise
17,419
$19.72
$343.46K
Yakob Liawatidewi
14 May 2021
SVP Corp Admin Center
Sell
3,186
$19.92
$63.45K
Michael A Zasloff
13 May 2021
Director
Sold after exercise
25,827
$19.34
$499.43K
Rong Zhou
13 May 2021
EVP, Production Center
Sold after exercise
700
$19.58
$13.71K
Yakob Liawatidewi
12 May 2021
EVP Corp Admin Center
Sell
4,592
$19.33
$88.74K
Yakob Liawatidewi
11 May 2021
EVP Corp Admin Center
Sold after exercise
10,000
$19.06
$190.60K
Richard K Prins
11 May 2021
Director
Sold after exercise
15,827
$18.90
$299.11K
William J Peters
15 Mar 2021
CFO, SVP & Treasurer
Sell
4,244
$19.03
$80.75K
Jack Y. Zhang
18 Feb 2021
CEO & Chief Scientific Officer
Sell
indirect
407
$18.58
$7.56K
Jack Y. Zhang
17 Feb 2021
CEO & Chief Scientific Officer
Sell
indirect
13,801
$18.67
$257.72K
Jack Y. Zhang
16 Feb 2021
CEO & Chief Scientific Officer
Sell
indirect
16,259
$18.51
$301.03K
Jack Y. Zhang
12 Feb 2021
CEO & Chief Scientific Officer
Sell
indirect
13,277
$18.94
$251.52K
Jack Y. Zhang
11 Feb 2021
CEO & Chief Scientific Officer
Sell
indirect
19,823
$19.06
$377.88K
Jack Y. Zhang
10 Feb 2021
CEO & Chief Scientific Officer
Sell
indirect
15,747
$18.76
$295.34K
Jack Y. Zhang
9 Feb 2021
CEO & Chief Scientific Officer
Sell
indirect
11,927
$18.93
$225.78K
Jack Y. Zhang
8 Feb 2021
CEO & Chief Scientific Officer
Sell
indirect
13,452
$18.89
$254.05K
Jack Y. Zhang
5 Feb 2021
CEO & Chief Scientific Officer
Sell
indirect
15,507
$18.94
$293.72K
Jack Y. Zhang
4 Feb 2021
CEO & Chief Scientific Officer
Sell
indirect
25,570
$18.89
$483.02K
Jack Y. Zhang
3 Feb 2021
CEO & Chief Scientific Officer
Sell
indirect
16,299
$18.36
$299.32K
Jack Y. Zhang
2 Feb 2021
CEO & Chief Scientific Officer
Sell
indirect
13,817
$18.66
$257.82K
Floyd F. Petersen
1 Feb 2021
Director
Sell
639
$18.26
$11.67K
Jack Y. Zhang
1 Feb 2021
CEO & Chief Scientific Officer
Sell
indirect
24,114
$18.29
$441.12K
William J Peters
19 Jan 2021
CFO, SVP & Treasurer
Sell
6,495
$18.67
$121.24K
Floyd F. Petersen
1 Dec 2020
Director
Sell
500
$17.87
$8.94K
Floyd F. Petersen
2 Nov 2020
Director
Sell
500
$19.84
$9.92K
Floyd F. Petersen
1 Oct 2020
Director
Sell
500
$18.89
$9.45K
Floyd F. Petersen
1 Sep 2020
Director
Sell
500
$19.90
$9.95K
William J Peters
14 Aug 2020
CFO, SVP & Treasurer
Sell
5,512
$20.36
$112.22K
David Maris
14 Aug 2020
Director
Buy
1,000
$20.26
$20.26K
Richard K Prins
11 Aug 2020
Director
Sell
6,000
$20.33
$121.98K
Floyd F. Petersen
3 Aug 2020
Director
Sell
500
$20.62
$10.31K
Yakob Liawatidewi
21 Jul 2020
EVP Corp Admin Center
Sold after exercise
5,978
$21.22
$126.84K
Yakob Liawatidewi
20 Jul 2020
EVP Corp Admin Center
Sold after exercise
4,186
$21.03
$88.05K
William J Peters
6 Jul 2020
CFO, SVP & Treasurer
Sold after exercise
13,656
$22.00
$300.40K
Floyd F. Petersen
1 Jul 2020
Director
Sell
500
$22.27
$11.14K
Yakob Liawatidewi
9 Jun 2020
EVP Corp Admin Center
Sold after exercise
23,405
$20.41
$477.60K
Rong Zhou
4 Jun 2020
EVP, Production Center
Sold after exercise
9,806
$19.19
$188.18K
Rong Zhou
3 Jun 2020
EVP, Production Center
Sold after exercise
13,163
$18.82
$247.68K
Floyd F. Petersen
1 Jun 2020
Director
Sell
500
$18.97
$9.48K
Richard Koo
27 May 2020
Director
Sold after exercise
47,782
$18.18
$868.89K
Howard Lee
26 May 2020
Director
Sold after exercise
10,000
$18.60
$185.99K
Howard Lee
22 May 2020
Director
Sold after exercise
10,000
$18.36
$183.64K
Howard Lee
21 May 2020
Director
Sold after exercise
10,000
$18.47
$184.69K
Howard Lee
20 May 2020
Director
Sold after exercise
17,782
$18.43
$327.78K
Floyd F. Petersen
15 May 2020
Director
Sold after exercise
42,682
$18.25
$778.97K
Michael A Zasloff
15 May 2020
Director
Sold after exercise
22,950
$18.03
$413.68K
Floyd F. Petersen
14 May 2020
Director
Sold after exercise
5,000
$17.78
$88.88K
Michael A Zasloff
14 May 2020
Director
Sold after exercise
14,832
$18.00
$266.98K
Floyd F. Petersen
12 May 2020
Director
Sold after exercise
100
$19.20
$1.92K
