Stavros G. Vizirgianakis
Director, MISONIX INC.
Companies
- Medinotec Inc.Board member Jun 12, 2025 to now1
- Apyx Medical CorpBoard member May 9, 2024 to now2
- Xtant Medical (United States)Board member Aug 26, 2022 to now3
- Bioventus Inc.Board member Nov 2, 2021 to Jun 22, 20224
Holdings
Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.
Shares held
- Bioventus Inc. BVS2,781,888 shares5$37.4M at $13.44Jun 16, 2022
- Medinotec Inc. MDNC4,750,179 shares6$23.8M at $5.00Jun 12, 2025
- Apyx Medical Corp APYX2,196,191 shares7$5.3M at $2.42Jun 11, 2026
Xtant Medical (United States) XTNT7,838,845 shares8$2.3M at $0.30Aug 15, 2026
As of each latest filing. The line shows shares held over time.
Recent filings
- Aug 15, 2026Granted 323,275 shares of Xtant Medical (United States)8
- Jun 11, 2026Granted 450,000 shares of Apyx Medical Corp7
- Nov 15, 2025Granted 553,797 shares of Xtant Medical (United States)9
- Aug 15, 2024Granted 505,405 shares of Xtant Medical (United States)10
- Aug 15, 2024Granted 243,243 shares of Xtant Medical (United States)10
- Aug 15, 2023Granted 217,770 shares of Xtant Medical (United States)11
- Nov 15, 2022Granted 144,639 shares of Xtant Medical (United States)12
- Oct 7, 2022Bought 2,264,861 shares at $0.48 of Xtant Medical (United States)13
- Aug 25, 2022Granted 70,776 shares of Xtant Medical (United States)14
- Jun 16, 2022Exercised options 965 shares of Bioventus Inc.5
- Oct 29, 2021Returned to company 2,136,478 shares of CIK 88043215
- Oct 29, 2021Granted 2,780,923 shares of Bioventus Inc.16
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1SEC EDGARMedinotec Inc., Board member
- 2SEC EDGARApyx Medical Corp, Board member
- 3
- 4SEC EDGARBioventus Inc., Board member
- 5
- 6
- 7
- 8
- 9SEC EDGARForm 4 filed Nov 18, 2025
- 10SEC EDGARForm 4 filed Aug 19, 2024
- 11SEC EDGARForm 4 filed Aug 17, 2023
- 12SEC EDGARForm 4 filed Nov 17, 2022
- 13SEC EDGARForm 4 filed Oct 11, 2022
- 14SEC EDGARForm 4 filed Aug 26, 2022
- 15SEC EDGARForm 4 filed Dec 8, 2021
- 16SEC EDGARForm 4 filed Apr 28, 2022