Alexander K. Arrow

Director, BIOLASE, INC.

Companies

Protagenic Therapeutics, Inc.\newChief financial officer Feb 17, 2016 to Mar 29, 2024¹
EUDA Health Holdings LtdBoard member Nov 22, 2021 to Nov 22, 2021²
BIOLASE, INCChief operating officer Jun 11, 2013 to Jul 23, 2014³
BIOLASE, INCPresident Jun 11, 2013 to Jul 23, 2014³
BIOLASE, INCBoard member Jul 30, 2010 to Jun 11, 2013⁴

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

EUDA Health Holdings Ltd EUDA3,000 shares⁵$47.3K at $15.78Nov 22, 2021
Protagenic Therapeutics, Inc.\new PTIX45,815 shares⁶$34.9K at $0.76Oct 12, 2023

As of each latest filing. The line shows shares held over time.

Recent filings

Oct 12, 2023Bought 8,000 shares at $0.81 of Protagenic Therapeutics, Inc.\new⁶
May 18, 2022Bought 8,000 shares at $0.72 of Protagenic Therapeutics, Inc.\new⁷
May 17, 2022Bought 23,000 shares at $0.71 of Protagenic Therapeutics, Inc.\new⁷

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARProtagenic Therapeutics, Inc.\new, Chief financial officer
2
SEC EDGAREUDA Health Holdings Ltd, Board member
3
SEC EDGARBIOLASE, INC, Chief operating officer
4
SEC EDGARBIOLASE, INC, Board member
5
SEC EDGAREUDA Health Holdings Ltd shares after the filing of Nov 22, 2021
6
SEC EDGARProtagenic Therapeutics, Inc.\new shares after the filing of Oct 12, 2023
7
SEC EDGARForm 4 filed May 18, 2022