The largest purchase of all time was on 2021-08-26 and amounted to 14500 shares of Houston American Energy Corp. for $25,375.
The largest sale of all time was on 2022-02-01 and amounted to 564000 shares of Houston American Energy Corp. for $699,304.
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| 2022-02-01 | Sale | Houston American Energy Corp. HUSA | 10 percent owner | 564,000 5.8696% | $1.24 | $699,304 | +224.17% | |
| 2022-01-31 | Sale | Houston American Energy Corp. HUSA | 10 percent owner | 406,000 4.3232% | $1.40 | $566,573 | +194.7% | |
| 2022-01-28 | Sale | Houston American Energy Corp. HUSA | 10 percent owner | 282,500 3.0679% | $1.56 | $441,661 | +168.62% | |
| 2022-01-28 | Houston American Energy Corp. HUSA | 10 percent owner | 15,000 0.1652% | $1.59 | $23,777 | +168.62% | ||
| 2021-08-26 | Houston American Energy Corp. HUSA | 10 percent owner | 14,500 0.1477% | $1.75 | $25,375 | +32.08% | ||
| 2020-12-02 | Sale | Universal Security Instruments, Inc. UUU | 8,441 0.3634% | $3.10 | $26,143 | +89.55% | ||
| 2020-12-01 | Sale | Universal Security Instruments, Inc. UUU | 2,134 0.0957% | $3.10 | $6,615 | +97.16% |