Stock chart
Ticker: DRRX Exchange: NAS


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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
2022-08-22 2022-08-19 B Purchase

Robertson Judith J.

Non-Executive Director
9,412 +2.7%
0.85
8,000 USD
9,412 +2.7% 0.85 8,000 USD
2022-08-22 2022-08-18 B Purchase

Robertson Judith J.

Non-Executive Director
71,531 +26.0%
0.85
60,794 USD
71,531 +26.0% 0.85 60,794 USD
2022-08-19 2022-08-17 B Purchase

Robertson Judith J.

Non-Executive Director
8,130 +3.0%
0.85
6,906 USD
8,130 +3.0% 0.85 6,906 USD
2022-08-19 2022-08-17 B Purchase

Robertson Judith J.

Non-Executive Director
2,059 +0.8%
0.83
1,709 USD
2,059 +0.8% 0.83 1,709 USD
2022-08-12 2022-08-12 B Purchase

Maderis Gail J

Non-Executive Director
25,204 +14.4%
0.71
17,993 USD
25,204 +14.4% 0.71 17,993 USD
2022-08-11 2022-08-11 B Purchase

Maderis Gail J

Non-Executive Director
24,796 +16.5%
0.70
17,322 USD
24,796 +16.5% 0.70 17,322 USD
2022-08-11 2022-08-10 B Purchase

Maderis Gail J

Non-Executive Director
79,693 +113.4%
0.69
54,661 USD
79,693 +113.4% 0.69 54,661 USD
2022-08-11 2022-08-09 B Purchase

Maderis Gail J

Non-Executive Director
70,307 +inf%
0.64
45,158 USD
70,307 +inf% 0.64 45,158 USD
2022-05-27 2022-05-26 B Purchase

Robertson Judith J.

Non-Executive Director
65,000 +32.5%
0.39
25,597 USD
65,000 +32.5% 0.39 25,597 USD
2022-05-25 2022-05-24 B Purchase

AZAB MOHAMMAD

Non-Executive Director
5,000 +9.1%
0.39
1,950 USD
5,000 +9.1% 0.39 1,950 USD
2022-05-25 2022-05-24 B Purchase

AZAB MOHAMMAD

Non-Executive Director
10,000 +22.2%
0.39
3,889 USD
10,000 +22.2% 0.39 3,889 USD
2022-05-25 2022-05-24 B Purchase

AZAB MOHAMMAD

Non-Executive Director
5,000 +12.5%
0.38
1,895 USD
5,000 +12.5% 0.38 1,895 USD
2022-05-25 2022-05-24 B Purchase

AZAB MOHAMMAD

Non-Executive Director
5,000 +14.3%
0.39
1,942 USD
5,000 +14.3% 0.39 1,942 USD
2022-05-25 2022-05-24 B Purchase

AZAB MOHAMMAD

Non-Executive Director
5,000 +16.7%
0.39
1,963 USD
5,000 +16.7% 0.39 1,963 USD
2022-05-18 2022-05-18 B Purchase

Farfel Gail M

Non-Executive Director
29,911 +42.7%
0.41
12,201 USD
29,911 +42.7% 0.41 12,201 USD
2022-05-18 2022-05-17 B Purchase

AZAB MOHAMMAD

Non-Executive Director
1,800 +6.4%
0.42
758 USD
1,800 +6.4% 0.42 758 USD
2022-05-18 2022-05-17 B Purchase

AZAB MOHAMMAD

Non-Executive Director
8,900 +46.1%
0.42
3,749 USD
8,900 +46.1% 0.42 3,749 USD
2022-05-18 2022-05-17 B Purchase

AZAB MOHAMMAD

Non-Executive Director
9,300 +93.0%
0.42
3,899 USD
9,300 +93.0% 0.42 3,899 USD
2022-05-18 2022-05-16 B Purchase

Farfel Gail M

Non-Executive Director
25,300 +56.5%
0.39
9,811 USD
25,300 +56.5% 0.39 9,811 USD
2022-05-18 2022-05-16 B Purchase

AZAB MOHAMMAD

Non-Executive Director
10,000 +inf%
0.38
3,767 USD
10,000 +inf% 0.38 3,767 USD
2022-05-13 2022-05-13 B Purchase

Farfel Gail M

Non-Executive Director
9,250 +26.0%
0.40
3,700 USD
9,250 +26.0% 0.40 3,700 USD
2022-05-13 2022-05-12 B Purchase

Farfel Gail M

Non-Executive Director
1,500 +4.4%
0.39
585 USD
1,500 +4.4% 0.39 585 USD
2022-05-13 2022-05-11 B Purchase

Farfel Gail M

Non-Executive Director
9,950 +41.3%
0.40
3,973 USD
9,950 +41.3% 0.40 3,973 USD
2022-05-12 2022-05-10 B Purchase

Farfel Gail M

Non-Executive Director
2,339 +10.8%
0.41
950 USD
2,339 +10.8% 0.41 950 USD
2022-05-10 2022-05-10 B Purchase

Farfel Gail M

Non-Executive Director
4,250 +24.3%
0.40
1,679 USD
4,250 +24.3% 0.40 1,679 USD
2022-05-10 2022-05-09 B Purchase

Farfel Gail M

Non-Executive Director
17,500 +inf%
0.39
6,906 USD
17,500 +inf% 0.39 6,906 USD
2022-03-16 2022-03-14 B Purchase

Robertson Judith J.

Non-Executive Director
200,000 +inf%
0.59
118,000 USD
200,000 +inf% 0.59 118,000 USD
2021-12-09 2021-12-07 B Purchase

BENITO SIMON X

Non-Executive Director
20,000 +23.5%
1.02
20,360 USD
20,000 +23.5% 1.02 20,360 USD
2021-05-17 2021-05-14 PS Planned sale

Joice Judy R

Sr. VP Operations & Corp QA

Officer
60,137 -63.3%
1.72
103,682 USD
60,137 -63.3% 1.72 103,682 USD
2020-09-02 2020-09-01 S Sale

Bleichroeder LP

Major owner
250,000 -0.9%
1.68
420,000 USD
250,000 -0.9% 1.68 420,000 USD
2020-06-05 2020-06-03 PS Planned sale

Joice Judy R

Sr. VP Operations & Corp QA

Officer
22,956 -41.2%
2.45
56,284 USD
22,956 -41.2% 2.45 56,284 USD
2020-06-05 2020-06-03 PS Planned sale

Joice Judy R

Sr. VP Operations & Corp QA

Officer
34,864 -51.6%
2.45
85,480 USD
34,864 -51.6% 2.45 85,480 USD
2020-05-28 2020-05-26 S Sale

Bleichroeder LP

Major owner
39,388 -0.1%
2.50
98,525 USD
39,388 -0.1% 2.50 98,525 USD
2020-02-06 2020-02-06 B Purchase

Bleichroeder LP

Major owner
75,000 +0.3%
1.65
123,623 USD
75,000 +0.3% 1.65 123,623 USD
2020-02-06 2020-02-05 B Purchase

Bleichroeder LP

Major owner
74,998 +0.3%
1.69
126,777 USD
74,998 +0.3% 1.69 126,777 USD
2020-02-06 2020-02-04 B Purchase

Bleichroeder LP

Major owner
77,500 +0.3%
1.70
131,510 USD
77,500 +0.3% 1.70 131,510 USD
2019-06-24 2019-06-20 B Purchase

First Eagle Investment Management, LLC

Major owner
4,000,000 +17.8%
0.52
2,080,000 USD
4,000,000 +17.8% 0.52 2,080,000 USD
2019-06-11 2019-06-10 B Purchase

SAXE JON S

2,900 +2.0%
0.56
1,623 USD
2,900 +2.0% 0.56 1,623 USD
2019-06-11 2019-06-10 B Purchase

SAXE JON S

74 +0.1%
0.56
41 USD
74 +0.1% 0.56 41 USD
2019-06-11 2019-06-10 B Purchase

SAXE JON S

626 +0.4%
0.56
350 USD
626 +0.4% 0.56 350 USD
2019-06-11 2019-06-10 B Purchase

SAXE JON S

3,449 +2.4%
0.56
1,922 USD
3,449 +2.4% 0.56 1,922 USD
2019-06-11 2019-06-10 B Purchase

SAXE JON S

1,400 +1.0%
0.55
775 USD
1,400 +1.0% 0.55 775 USD
2019-06-11 2019-06-10 B Purchase

SAXE JON S

400 +0.3%
0.55
221 USD
400 +0.3% 0.55 221 USD
2019-06-11 2019-06-10 B Purchase

SAXE JON S

1,800 +1.3%
0.55
993 USD
1,800 +1.3% 0.55 993 USD
2019-06-11 2019-06-10 B Purchase

SAXE JON S

300 +0.2%
0.55
165 USD
300 +0.2% 0.55 165 USD
2019-06-11 2019-06-10 B Purchase

SAXE JON S

500 +0.4%
0.55
275 USD
500 +0.4% 0.55 275 USD
2019-06-11 2019-06-10 B Purchase

SAXE JON S

1,400 +1.0%
0.55
764 USD
1,400 +1.0% 0.55 764 USD
2019-06-11 2019-06-10 B Purchase

SAXE JON S

300 +0.2%
0.55
164 USD
300 +0.2% 0.55 164 USD
2019-06-11 2019-06-10 B Purchase

SAXE JON S

1,751 +1.3%
0.55
955 USD
1,751 +1.3% 0.55 955 USD
2019-06-11 2019-06-10 B Purchase

SAXE JON S

100 +0.1%
0.55
55 USD
100 +0.1% 0.55 55 USD
2019-06-11 2019-06-10 B Purchase

SAXE JON S

7,898 +6.2%
0.54
4,304 USD
7,898 +6.2% 0.54 4,304 USD
2019-06-11 2019-06-10 B Purchase

SAXE JON S

100 +0.1%
0.54
54 USD
100 +0.1% 0.54 54 USD
2019-06-11 2019-06-10 B Purchase

SAXE JON S

300 +0.2%
0.54
163 USD
300 +0.2% 0.54 163 USD
2019-06-11 2019-06-10 B Purchase

SAXE JON S

15 +0.0%
0.54
8 USD
15 +0.0% 0.54 8 USD
2019-06-11 2019-06-10 B Purchase

SAXE JON S

200 +0.2%
0.54
109 USD
200 +0.2% 0.54 109 USD
2019-06-11 2019-06-10 B Purchase

SAXE JON S

1,200 +1.0%
0.54
653 USD
1,200 +1.0% 0.54 653 USD
2019-06-11 2019-06-10 B Purchase

SAXE JON S

287 +0.2%
0.54
156 USD
287 +0.2% 0.54 156 USD
2019-05-28 2019-05-24 B Purchase

SAXE JON S

Non-Executive Director
4,600 +3.8%
0.63
2,899 USD
4,600 +3.8% 0.63 2,899 USD
2019-05-28 2019-05-24 B Purchase

SAXE JON S

Non-Executive Director
21,335 +21.5%
0.63
13,443 USD
21,335 +21.5% 0.63 13,443 USD
2019-05-28 2019-05-24 B Purchase

SAXE JON S

Non-Executive Director
4,065 +4.3%
0.63
2,561 USD
4,065 +4.3% 0.63 2,561 USD
2019-05-15 2019-05-13 B Purchase

SAXE JON S

Non-Executive Director
2,200 +2.4%
0.71
1,558 USD
2,200 +2.4% 0.71 1,558 USD
2019-05-15 2019-05-13 B Purchase

SAXE JON S

Non-Executive Director
6,500 +7.5%
0.70
4,581 USD
6,500 +7.5% 0.70 4,581 USD
2019-05-15 2019-05-13 B Purchase

SAXE JON S

Non-Executive Director
900 +1.1%
0.70
634 USD
900 +1.1% 0.70 634 USD
2019-05-14 2019-05-13 B Purchase

SAXE JON S

Non-Executive Director
800 +0.9%
0.70
563 USD
800 +0.9% 0.70 563 USD
2019-05-14 2019-05-13 B Purchase

SAXE JON S

Non-Executive Director
2,085 +2.5%
0.70
1,465 USD
2,085 +2.5% 0.70 1,465 USD
2019-05-14 2019-05-13 B Purchase

SAXE JON S

Non-Executive Director
37 +0.0%
0.70
26 USD
37 +0.0% 0.70 26 USD
2019-05-14 2019-05-13 B Purchase

SAXE JON S

Non-Executive Director
3,900 +5.0%
0.70
2,737 USD
3,900 +5.0% 0.70 2,737 USD
2019-05-14 2019-05-13 B Purchase

SAXE JON S

Non-Executive Director
1,798 +2.3%
0.70
1,260 USD
1,798 +2.3% 0.70 1,260 USD
2019-05-14 2019-05-13 B Purchase

SAXE JON S

Non-Executive Director
1,600 +2.1%
0.70
1,121 USD
1,600 +2.1% 0.70 1,121 USD
2019-05-14 2019-05-13 B Purchase

SAXE JON S

Non-Executive Director
4,826 +6.9%
0.70
3,382 USD
4,826 +6.9% 0.70 3,382 USD
2019-05-14 2019-05-13 B Purchase

SAXE JON S

Non-Executive Director
400 +0.6%
0.70
280 USD
400 +0.6% 0.70 280 USD
2019-05-14 2019-05-13 B Purchase

SAXE JON S

Non-Executive Director
864 +1.3%
0.70
605 USD
864 +1.3% 0.70 605 USD
2019-05-14 2019-05-13 B Purchase

SAXE JON S

Non-Executive Director
1,584 +2.3%
0.70
1,109 USD
1,584 +2.3% 0.70 1,109 USD
2019-05-14 2019-05-13 B Purchase

SAXE JON S

Non-Executive Director
1,391 +2.1%
0.70
974 USD
1,391 +2.1% 0.70 974 USD
2019-05-14 2019-05-13 B Purchase

SAXE JON S

Non-Executive Director
595 +0.9%
0.70
416 USD
595 +0.9% 0.70 416 USD