InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (22 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
22
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Explore the complete record of transactions filed by Osser Leonard, Director. Director active across 2 companies, notably Nexalin Technology, Inc.. In total, 31 reports have been logged. Breakdown: 0 buy · 22 sells. Total volume traded: €380k. History available since 21 June 2021. The latest transaction was filed on 29 September 2025 (Attribution). Regulator: SEC (Form 4). All data is free.
Companies and markets linked to Osser Leonard
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations31 total
83,333 shares0Common StockSEC:0001829126-25-007778:0
107,984 shares@ US$0.935.0% of flowCommon Stock, Par Value $0.001SEC:0001437749-24-031909:0
112,356 shares@ US$0.894.8% of flowCommon Stock, Par Value $0.001SEC:0001437749-24-028154:0
141,913 shares@ US$0.956.5% of flowCommon Stock, Par Value $0.001SEC:0001437749-24-027506:0
112,360 shares@ US$0.894.9% of flowCommon Stock, Par Value $0.001SEC:0001437749-23-023142:0
121,951 shares@ US$0.825.2% of flowCommon Stock, Par Value $0.001SEC:0001437749-22-023966:0
30,488 shares@ US$0.820.083% mcap1.8% of flowCommon Stock, Par Value $0.001SEC:0001437749-22-015031:0
9,842 shares@ US$1.120.036% mcap0.7% of flowCommon Stock, Par Value $0.001SEC:0001437749-22-009275:0
8,200 shares@ US$1.210.032% mcap0.7% of flowCommon Stock, Par Value $0.001SEC:0001437749-22-008795:0
6,000 shares@ US$1.510.028% mcap0.6% of flowCommon Stock, Par Value $0.001SEC:0001437749-22-008249:0
7,110 shares@ US$1.330.030% mcap0.6% of flowCommon Stock, Par Value $0.001SEC:0001437749-22-007561:0
7,600 shares@ US$1.300.031% mcap0.7% of flowCommon Stock, Par Value $0.001SEC:0001437749-22-006942:0
8,100 shares@ US$1.230.032% mcap0.7% of flowCommon Stock, Par Value $0.001SEC:0001437749-22-006341:0
6,400 shares@ US$1.530.031% mcap0.7% of flowCommon Stock, Par Value $0.001SEC:0001437749-22-005579:0
7,500 shares@ US$1.330.031% mcap0.7% of flowCommon Stock, Par Value $0.001SEC:0001437749-22-005041:0
7,700 shares@ US$1.2850.030% mcap0.6% of flowCommon Stock, Par Value $0.001SEC:0001437749-22-004196:0
8,400 shares@ US$1.190.031% mcap0.6% of flowCommon Stock, Par Value $0.001SEC:0001437749-22-003453:0
8,000 shares@ US$1.2620.031% mcap0.6% of flowCommon Stock, Par Value $0.001SEC:0001437749-22-002764:0
7,800 shares@ US$1.2720.031% mcap0.6% of flowCommon StockSEC:0001437749-22-002129:0
7,200 shares@ US$1.390.031% mcap0.6% of flowCommon Stock, Par Value $0.001SEC:0001437749-22-001610:0
5,800 shares@ US$1.7210.030% mcap0.6% of flowCommon Stock, Par Value $0.001SEC:0001437749-22-001235:0
5,000 shares@ US$2.0190.031% mcap0.6% of flowCommon Stock, Par Value $0.001SEC:0001437749-22-000737:0
4,400 shares@ US$2.0860.028% mcap0.6% of flowCommon StockSEC:0001437749-22-000556:0
48,544 shares@ US$2.060.31% mcap6.4% of flowCommon Stock, Par Value $0.001SEC:0001437749-22-000209:0
4,600 shares@ US$2.0450.029% mcap0.6% of flowCommon StockSEC:0001437749-21-029349:0
25 of 31 declarations
About Osser Leonard
OSSER LEONARD is a Director and has 31 filings in total. Across the 31 filings on record from 2021-06-23 to 2025-09-30, no purchases are shown and sales total 380423 EUR, with the modal transaction nature listed as Cession. The recent filings concern Milestone Scientific INC., and the largest published amounts are 285431.1576666089 EUR on 2021-11-12, 120854.3145846644 EUR on 2024-08-21, 96013.8294609722 EUR on 2022-10-11, 94047.11380337535 EUR on 2021-12-02, 93009.7283949987 EUR on 2024-10-23, and 91610.36981562145 EUR on 2023-08-10.
