OSSER LEONARD
Insider CIK 1188354 · NXL 10% owner · MLSS.OB Interim Chief Executive, Director, 10% owner
Trades across companies
| Ticker | Code | Trade | Filed | Shares | Price | Value | Owned after | |
|---|---|---|---|---|---|---|---|---|
| NXL Nexalin Technology, Inc. | A Award | 2025-09-29 | 2025-09-30 | 83,333 | — | $0 | 1,618,577 | SEC↗ |
| NXL Nexalin Technology, Inc. | S Sale deriv | 2025-09-10 | 2025-09-12 | 23,150 | $0.02 | $463 | 112,850 | SEC↗ |
| NXL Nexalin Technology, Inc. | A Award deriv | 2025-07-17 | 2025-07-21 | 30,000 | — | $0 | 376,000 | SEC↗ |
| NXL Nexalin Technology, Inc. | A Award deriv | 2025-07-17 | 2025-07-21 | 30,000 | — | $0 | 346,000 | SEC↗ |
| NXL Nexalin Technology, Inc. | A Award deriv | 2025-07-17 | 2025-07-21 | 30,000 | — | $0 | 436,000 | SEC↗ |
| NXL Nexalin Technology, Inc. | A Award deriv | 2025-07-17 | 2025-07-21 | 150,000 | — | $0 | 286,000 | SEC↗ |
| NXL Nexalin Technology, Inc. | A Award deriv | 2025-07-17 | 2025-07-21 | 30,000 | — | $0 | 406,000 | SEC↗ |
| NXL Nexalin Technology, Inc. | A Award deriv | 2025-07-17 | 2025-07-21 | 30,000 | — | $0 | 316,000 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2024-10-22 | 2024-10-23 | 107,984 | $0.93 | $100.4K | 4,606,882 | SEC↗ |
| NXL Nexalin Technology, Inc. | A Award | 2024-09-30 | 2024-10-02 | 700,000 | — | $0 | 1,535,244 | SEC↗ |
| NXL Nexalin Technology, Inc. | A Award | 2024-09-23 | 2024-09-25 | 700,000 | — | $0 | 1,535,244 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | A Award | 2024-08-28 | 2024-08-30 | 112,356 | $0.89 | $100.0K | 4,714,862 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2024-08-21 | 2024-08-21 | 141,913 | $0.95 | $134.8K | 4,602,506 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | A Award | 2023-06-28 | 2023-08-10 | 112,360 | $0.89 | $100.0K | 4,619,695 | SEC↗ |
| NXL Nexalin Technology, Inc. | P Buy deriv | 2022-09-28 | 2024-09-25 | 36,000 | $0.40 | $14.4K | 136,000 | SEC↗ |
| NXL Nexalin Technology, Inc. | P Buy deriv | 2022-09-28 | 2023-10-05 | 9,500 | $0.40 | $3.8K | 109,500 | SEC↗ |
| NXL Nexalin Technology, Inc. | P Buy | 2022-09-28 | 2022-09-29 | 9,500 | $1.12 | $10.6K | 835,244 | SEC↗ |
| NXL Nexalin Technology, Inc. | P Buy deriv | 2022-09-16 | 2022-09-20 | 100,000 | $0.40 | $40.0K | 100,000 | SEC↗ |
| NXL Nexalin Technology, Inc. | P Buy | 2022-09-16 | 2022-09-20 | 36,000 | $4.15 | $149.4K | 825,744 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | A Award | 2022-06-13 | 2022-10-11 | 121,951 | $0.82 | $100.0K | 4,347,547 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | A Award | 2022-06-13 | 2022-06-15 | 30,488 | $0.82 | $25.0K | 4,256,084 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-04-18 | 2022-04-20 | 9,842 | $1.12 | $11.0K | 4,225,596 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-04-12 | 2022-04-13 | 8,500 | $1.18 | $10.0K | 4,235,438 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-04-11 | 2022-04-13 | 8,200 | $1.21 | $9.9K | 4,243,938 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-04-04 | 2022-04-04 | 14,100 | $1.42 | $20.0K | 4,252,138 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-04-01 | 2022-04-04 | 6,000 | $1.51 | $9.1K | 4,266,238 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-03-28 | 2022-03-29 | 7,110 | $1.33 | $9.5K | 4,272,238 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-03-22 | 2022-03-22 | 8,000 | $1.26 | $10.1K | 4,279,348 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-03-21 | 2022-03-22 | 7,600 | $1.30 | $9.9K | 4,287,348 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-03-15 | 2022-03-15 | 8,500 | $1.18 | $10.0K | 4,294,948 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-03-14 | 2022-03-15 | 8,100 | $1.23 | $10.0K | 4,303,448 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-03-08 | 2022-03-08 | 7,500 | $1.35 | $10.1K | 4,311,548 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-03-07 | 2022-03-08 | 6,400 | $1.53 | $9.8K | 4,319,048 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-03-01 | 2022-03-02 | 7,600 | $1.32 | $10.0K | 4,325,448 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-02-28 | 2022-03-02 | 7,500 | $1.33 | $10.0K | 4,333,048 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-02-23 | 2022-02-23 | 8,200 | $1.22 | $10.0K | 4,340,548 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-02-22 | 2022-02-23 | 7,700 | $1.29 | $9.9K | 4,348,748 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-02-15 | 2022-02-15 | 8,100 | $1.24 | $10.0K | 4,356,448 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-02-14 | 2022-02-15 | 8,400 | $1.19 | $10.0K | 4,364,548 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-02-08 | 2022-02-08 | 7,600 | $1.30 | $9.9K | 4,372,948 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-02-07 | 2022-02-08 | 8,000 | $1.26 | $10.1K | 4,380,548 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-02-01 | 2022-02-01 | 7,650 | $1.32 | $10.1K | 4,388,548 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-01-31 | 2022-02-01 | 7,800 | $1.27 | $9.9K | 4,396,198 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-01-25 | 2022-01-25 | 6,600 | $1.52 | $10.0K | 4,403,998 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-01-24 | 2022-01-25 | 7,200 | $1.39 | $10.0K | 4,410,598 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-01-19 | 2022-01-19 | 5,800 | $1.72 | $10.0K | 4,417,798 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-01-18 | 2022-01-19 | 5,800 | $1.72 | $10.0K | 4,423,598 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-01-11 | 2022-01-11 | 4,900 | $2.02 | $9.9K | 4,429,398 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-01-10 | 2022-01-11 | 5,000 | $2.02 | $10.1K | 4,434,928 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-01-04 | 2022-01-06 | 4,400 | $2.09 | $9.2K | 4,439,928 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2022-01-03 | 2022-01-03 | 5,000 | $2.15 | $10.8K | 4,443,698 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | A Award | 2021-12-31 | 2022-01-03 | 48,544 | $2.06 | $100.0K | 4,448,698 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | A Award | 2021-12-31 | 2022-01-03 | 48,544 | $2.06 | $100.0K | 4,400,154 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2021-12-28 | 2021-12-28 | 5,000 | $2.12 | $10.6K | 4,351,610 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2021-12-27 | 2021-12-28 | 4,600 | $2.05 | $9.4K | 4,356,610 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2021-12-21 | 2021-12-21 | 4,850 | $2.02 | $9.8K | 4,361,210 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2021-12-20 | 2021-12-21 | 5,000 | $2.03 | $10.1K | 4,366,060 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2021-12-16 | 2021-12-16 | 3,900 | $1.97 | $7.7K | 4,371,060 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2021-12-15 | 2021-12-16 | 2,100 | $1.95 | $4.1K | 4,374,960 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2021-12-14 | 2021-12-14 | 2,100 | $1.88 | $3.9K | 4,377,060 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2021-12-13 | 2021-12-14 | 2,100 | $1.97 | $4.1K | 4,379,160 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | M Exercise deriv | 2021-12-01 | 2021-12-02 | 71,250 | — | $0 | 0 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | M Exercise | 2021-12-01 | 2021-12-02 | 71,250 | $0.50 | $35.6K | 4,381,260 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | M Exercise deriv | 2021-11-30 | 2021-12-02 | 62,112 | — | $0 | 0 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | M Exercise | 2021-11-30 | 2021-12-02 | 62,112 | $1.71 | $106.2K | 4,310,010 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | M Exercise deriv | 2021-11-09 | 2021-11-12 | 171,429 | — | $0 | 0 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | M Exercise | 2021-11-09 | 2021-11-12 | 171,429 | $1.93 | $330.9K | 4,310,020 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | A Award | 2021-06-21 | 2021-06-23 | 45,872 | $2.18 | $100.0K | 4,053,587 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | A Award deriv | 2021-04-23 | 2021-04-29 | 2,000,000 | — | $0 | 2,000,000 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2021-01-08 | 2021-01-08 | 18,409 | $2.35 | $43.3K | 4,016,148 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2021-01-08 | 2021-01-08 | 21,591 | $2.31 | $49.9K | 3,994,557 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2021-01-07 | 2021-01-08 | 45,240 | $2.20 | $99.5K | 4,034,557 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2021-01-06 | 2021-01-07 | 10,760 | $2.22 | $23.9K | 4,079,797 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2021-01-05 | 2021-01-06 | 59,668 | $2.25 | $134.3K | 4,090,557 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | M Exercise deriv | 2021-01-04 | 2021-01-04 | 82,988 | — | $0 | 0 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | M Exercise | 2021-01-04 | 2021-01-04 | 82,988 | $1.72 | $142.7K | 4,222,111 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2021-01-04 | 2021-01-05 | 71,886 | $2.30 | $165.3K | 4,150,225 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2021-01-04 | 2021-02-10 | 31,378 | $2.30 | $72.2K | 4,190,733 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2020-12-18 | 2020-12-21 | 54,400 | $2.17 | $118.0K | 4,139,123 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2020-12-17 | 2020-12-18 | 16,300 | $2.24 | $36.5K | 4,193,523 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2020-12-16 | 2020-12-17 | 72,500 | $2.13 | $154.4K | 4,209,823 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | M Exercise deriv | 2020-12-15 | 2020-12-15 | 336,970 | — | $0 | 0 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | M Exercise | 2020-12-15 | 2020-12-15 | 336,970 | $1.14 | $384.1K | 4,282,323 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | J Other | 2020-08-04 | 2021-01-12 | 133,333 | $2.10 | $280.0K | 3,927,727 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | P Buy | 2020-08-04 | 2020-08-05 | 17,626 | $2.10 | $37.0K | 3,945,353 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | S Sale | 2020-08-04 | 2020-08-05 | 133,333 | $2.10 | $280.0K | 3,927,727 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | A Award | 2020-06-30 | 2020-07-28 | 76,923 | $1.95 | $150.0K | 4,061,060 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | A Award | 2020-05-13 | 2020-07-28 | 94,340 | $1.59 | $150.0K | 3,984,137 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | A Award | 2020-02-06 | 2020-07-28 | 79,787 | $1.88 | $150.0K | 3,904,350 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | A Award | 2020-02-06 | 2020-07-28 | 79,787 | $1.88 | $150.0K | 3,810,010 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | A Award | 2020-02-06 | 2020-07-28 | 53,191 | $1.88 | $100.0K | 3,677,032 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | A Award | 2020-02-06 | 2020-07-28 | 53,191 | $1.88 | $100.0K | 3,730,223 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | P Buy deriv | 2019-02-06 | 2019-02-08 | 71,250 | — | $0 | 1,040,574 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | P Buy | 2019-02-06 | 2019-02-08 | 285,000 | $0.35 | $99.8K | 3,624,056 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | G Gift | 2017-04-24 | 2017-04-26 | 10,000 | — | $0 | 3,170,571 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | A Award deriv | 2017-01-09 | 2017-01-11 | 62,112 | — | $0 | 62,112 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | M Exercise deriv | 2017-01-09 | 2017-01-11 | 83,333 | — | $0 | 1 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | M Exercise | 2017-01-09 | 2017-01-11 | 83,333 | $0.75 | $62.5K | 3,070,568 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | A Award | 2017-01-09 | 2017-01-11 | 31,056 | — | $0 | 3,101,624 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | A Award | 2016-12-23 | 2016-12-27 | 66,667 | — | $0 | 3,003,902 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | A Award deriv | 2016-12-02 | 2016-12-06 | 171,429 | — | $0 | 171,429 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | J Other | 2016-08-01 | 2016-08-03 | 50,000 | — | $0 | 2,937,235 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | A Award deriv | 2016-02-04 | 2016-03-04 | 82,988 | — | $0 | 82,988 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | A Award | 2016-02-04 | 2016-03-04 | 41,494 | — | $0 | 2,887,235 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | A Award deriv | 2015-06-20 | 2016-03-04 | 57,307 | — | $0 | 57,307 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | A Award | 2015-06-20 | 2016-03-04 | 28,651 | — | $0 | 2,845,741 | SEC↗ |
| MLSS.OB MILESTONE SCIENTIFIC INC. | P Buy | 2015-05-19 | 2015-05-20 | 25,000 | $2.40 | $60.0K | 2,817,090 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | M Exercise deriv | 2014-12-07 | 2014-12-29 | 42,193 | — | $0 | 0 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | M Exercise | 2014-12-07 | 2014-12-29 | 42,193 | $1.74 | $73.4K | 2,792,090 | SEC↗ |
| MLSS.OB MILESTONE SCIENTIFIC INC. | A Award deriv | 2014-11-20 | 2015-03-24 | 185,185 | — | $0 | 185,185 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | A Award deriv | 2013-12-31 | 2014-05-27 | 248,448 | — | $0 | 248,448 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | A Award | 2013-12-31 | 2014-05-27 | 124,224 | — | $0 | 2,749,897 | SEC↗ |
| MLSS MILESTONE SCIENTIFIC INC. | P Buy | 2013-05-31 | 2014-05-27 | 13,043 | $1.15 | $15.0K | 2,625,673 | SEC↗ |
| MLSS.OB MILESTONE SCIENTIFIC INC. | A Award | 2012-12-31 | 2013-02-08 | 90,090 | $1.11 | $100.0K | 2,612,630 | SEC↗ |
| MLSS.OB MILESTONE SCIENTIFIC INC. | P Buy | 2012-06-27 | 2012-06-29 | 51,724 | $0.29 | $15.0K | 2,522,540 | SEC↗ |
| MLSS.OB MILESTONE SCIENTIFIC INC. | A Award deriv | 2012-01-09 | 2012-02-23 | 133,334 | — | $0 | 133,334 | SEC↗ |
| MLSS.OB MILESTONE SCIENTIFIC INC. | A Award | 2012-01-09 | 2012-02-23 | 66,667 | $0.75 | $50.0K | 2,470,816 | SEC↗ |
| MLSS.OB MILESTONE SCIENTIFIC INC. | A Award | 2011-07-18 | 2012-02-23 | 454,545 | $1.52 | $690.9K | 2,404,149 | SEC↗ |