Stock chart
Ticker: DSP Exchange: NSM


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Earnings
Earnings
 
Value bought

Past 90 days

 
Value sold

Past 90 days

 
Net insiders buying

Past 90 days

 
Trades (buy and sell)

Past 90 days

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 Value Details
2025-06-13 2025-06-13 S Sale

MADDEN LARRY

Chief Financial Officer

Officer
13,265 -3.0%
13.08
USD 173,477
13,265 -3.0% 13.08 USD 173,477
2025-06-13 2025-06-13 S Sale

Vanderhook Timothy

CEO and Chairman

Executive Director
8,960 -2.4%
13.08
USD 117,177
8,960 -2.4% 13.08 USD 117,177
2025-06-13 2025-06-13 S Sale

Vanderhook Christopher

Chief Operating Officer

Executive Director
8,960 -2.4%
13.08
USD 117,177
8,960 -2.4% 13.08 USD 117,177
2025-06-09 2025-06-06 S Sale

VALDES MAX O

Non-Executive Director
4,838 -18.3%
14.29
USD 69,111
4,838 -18.3% 14.29 USD 69,111
2025-06-09 2025-06-05 S Sale

VALDES MAX O

Non-Executive Director
5,062 -16.1%
13.87
USD 70,187
5,062 -16.1% 13.87 USD 70,187
2025-02-07 2025-02-05 S Sale

MADDEN LARRY

Chief Financial Officer

Officer
14,284 -4.0%
23.12
USD 330,235
14,284 -4.0% 23.12 USD 330,235
2025-01-03 2025-01-02 S Sale

MADDEN LARRY

Chief Financial Officer

Officer
14,284 -3.8%
18.76
USD 267,995
14,284 -3.8% 18.76 USD 267,995
2024-12-09 2024-12-06 S Sale

VALDES MAX O

Non-Executive Director
7,500 -10.6%
20.51
USD 153,829
7,500 -10.6% 20.51 USD 153,829
2024-12-05 2024-12-04 S Sale

MADDEN LARRY

Chief Financial Officer

Officer
14,284 -3.6%
19.51
USD 278,695
14,284 -3.6% 19.51 USD 278,695
2024-11-18 2024-11-18 S Sale

MADDEN LARRY

Chief Financial Officer

Officer
3,917 -1.0%
17.44
USD 68,321
3,917 -1.0% 17.44 USD 68,321
2024-11-18 2024-11-18 S Sale

MADDEN LARRY

Chief Financial Officer

Officer
18,587 -4.5%
16.94
USD 314,821
18,587 -4.5% 16.94 USD 314,821
2024-11-18 2024-11-15 S Sale

MADDEN LARRY

Chief Financial Officer

Officer
45,969 -10.0%
15.75
USD 723,800
45,969 -10.0% 15.75 USD 723,800
2024-11-18 2024-11-14 S Sale

MADDEN LARRY

Chief Financial Officer

Officer
4,262 -0.9%
16.20
USD 69,049
4,262 -0.9% 16.20 USD 69,049
2024-11-18 2024-11-14 S Sale

MADDEN LARRY

Chief Financial Officer

Officer
48,019 -9.4%
15.28
USD 733,918
48,019 -9.4% 15.28 USD 733,918
2024-11-18 2024-11-14 S Sale

MADDEN LARRY

Chief Financial Officer

Officer
14,962 -2.8%
14.61
USD 218,584
14,962 -2.8% 14.61 USD 218,584
2024-10-30 2024-10-28 S Sale

MADDEN LARRY

Chief Financial Officer

Officer
1,498 -0.3%
11.57
USD 17,339
1,498 -0.3% 11.57 USD 17,339
2024-10-11 2024-10-11 S Sale

MADDEN LARRY

Chief Financial Officer

Officer
2,768 -0.5%
11.23
USD 31,098
2,768 -0.5% 11.23 USD 31,098
2024-10-11 2024-10-10 S Sale

MADDEN LARRY

Chief Financial Officer

Officer
1,089 -0.2%
11.06
USD 12,046
1,089 -0.2% 11.06 USD 12,046
2024-10-11 2024-10-09 S Sale

MADDEN LARRY

Chief Financial Officer

Officer
1,953 -0.4%
11.19
USD 21,859
1,953 -0.4% 11.19 USD 21,859
2024-09-24 2024-09-24 S Sale

MADDEN LARRY

Chief Financial Officer

Officer
2,776 -0.5%
11.15
USD 30,959
2,776 -0.5% 11.15 USD 30,959
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