Stock chart
Ticker: ZMTP Exchange: OTC


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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
2025-05-13 2025-05-09 B Purchase

Bin Hu

Non-Executive Director Large shareholder
853,659 +inf%
1.64
USD 1,400,001
853,659 +inf% 1.64 USD 1,400,001
2025-05-13 2025-05-09 B Purchase

Yu Cao

Chief Financial Officer

Executive Director Large shareholder
1,585,366 +inf%
1.64
USD 2,600,000
1,585,366 +inf% 1.64 USD 2,600,000
2025-01-15 2024-12-26 S Sale

HITCHCOCK ELIZABETH CASH

Large shareholder
72,454 -100.0%
0.03
USD 2,485
72,454 -100.0% 0.03 USD 2,485
2025-01-15 2024-12-26 S Sale

HITCHCOCK ELIZABETH CASH

Large shareholder
734,346 -100.0%
0.03
USD 25,188
734,346 -100.0% 0.03 USD 25,188
2025-01-15 2024-12-26 S Sale

HITCHCOCK ELIZABETH CASH

Large shareholder
132,677 -100.0%
0.03
USD 4,551
132,677 -100.0% 0.03 USD 4,551
2025-01-15 2024-12-26 S Sale

HITCHCOCK ELIZABETH CASH

Large shareholder
495,169 -100.0%
0.03
USD 16,984
495,169 -100.0% 0.03 USD 16,984
2025-01-15 2024-12-26 S Sale

HITCHCOCK ELIZABETH CASH

Large shareholder
12,613 -100.0%
0.03
USD 433
12,613 -100.0% 0.03 USD 433
2025-01-15 2024-12-26 S Sale

HITCHCOCK JEREMY P.

Large shareholder
12,613 -100.0%
0.03
USD 433
12,613 -100.0% 0.03 USD 433
2025-01-15 2024-12-26 S Sale

HITCHCOCK JEREMY P.

Large shareholder
734,346 -100.0%
0.03
USD 25,188
734,346 -100.0% 0.03 USD 25,188
2025-01-15 2024-12-26 S Sale

HITCHCOCK JEREMY P.

Large shareholder
132,677 -100.0%
0.03
USD 4,551
132,677 -100.0% 0.03 USD 4,551
2025-01-15 2024-12-26 S Sale

HITCHCOCK JEREMY P.

Large shareholder
495,169 -100.0%
0.03
USD 16,984
495,169 -100.0% 0.03 USD 16,984
2025-01-15 2024-12-26 S Sale

HITCHCOCK JEREMY P.

Large shareholder
72,454 -100.0%
0.03
USD 2,485
72,454 -100.0% 0.03 USD 2,485
2024-12-31 2024-12-26 B Purchase

Lazar David E.

Non-Executive Director Large shareholder
1,456,980 +5827.9%
0.03
USD 49,974
1,456,980 +5827.9% 0.03 USD 49,974
2023-12-08 2023-12-06 B Purchase

HITCHCOCK JEREMY P.

Executive Chairman

Executive Director Large shareholder
743,343 +inf%
1.51
USD 1,122,448
743,343 +inf% 1.51 USD 1,122,448
2023-12-08 2023-12-06 B Purchase

HITCHCOCK ELIZABETH CASH

Large shareholder
743,343 +inf%
1.51
USD 1,122,448
743,343 +inf% 1.51 USD 1,122,448
2021-12-03 2021-12-03 B Purchase

Chynoweth Graham James

CHIEF EXECUTIVE OFFICER

Executive Director
10,000 +0.9%
1.38
USD 13,800
10,000 +0.9% 1.38 USD 13,800
2021-12-01 2021-12-01 B Purchase

Horowitz Joshua

Non-Executive Director
1,531 +0.1%
1.30
USD 1,991
1,531 +0.1% 1.30 USD 1,991
2021-12-01 2021-11-30 B Purchase

Horowitz Joshua

Non-Executive Director
17,818 +1.4%
1.27
USD 22,625
17,818 +1.4% 1.27 USD 22,625
2021-12-01 2021-11-29 B Purchase

Horowitz Joshua

Non-Executive Director
500 +0.0%
1.38
USD 690
500 +0.0% 1.38 USD 690
2021-08-25 2021-08-25 B Purchase

Doherty Sean Patrick

Chief Financial Officer

Officer
2,250 +11.2%
2.24
USD 5,040
2,250 +11.2% 2.24 USD 5,040
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