Jeffrey S. Mathiesen

Chief Financial Officer, ZAREBA SYSTEMS INC.

Companies

Solana CoBoard member Jun 12, 2020 to now¹
NEUROONE MEDICAL TECHNOLOGIES CorpBoard member Aug 4, 2017 to now²
Solana CoChief financial officer Jun 15, 2021 to Apr 6, 2026³
Panbela Therapeutics, Inc.Board member Oct 5, 2015 to Mar 29, 2023⁴
Healthcare Triangle, Inc.Board member Apr 1, 2022 to Aug 22, 2022⁵
MetaVia Inc.Chief financial officer Aug 4, 2016 to Jan 30, 2018⁶
Nuwellis, Inc.Chief financial officer Feb 14, 2012 to Jan 2, 2015⁷

Holdings

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

Shares held

NEUROONE MEDICAL TECHNOLOGIES Corp NMTC156,343 shares⁸$157.9K at $1.01Apr 3, 2026
Solana Co HSDT11,948 shares⁹$26.9K at $2.25Feb 16, 2022

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

Recent filings

Apr 3, 2026Granted 41,929 shares of NEUROONE MEDICAL TECHNOLOGIES Corp⁸
Feb 14, 2025Granted 27,778 shares of NEUROONE MEDICAL TECHNOLOGIES Corp¹⁰
Mar 16, 2023Granted 20,576 shares of NEUROONE MEDICAL TECHNOLOGIES Corp¹¹
May 31, 2022Granted 29,240 shares of NEUROONE MEDICAL TECHNOLOGIES Corp¹²
Feb 16, 2022Granted 8,011 shares of Solana Co⁹
Dec 17, 2021Bought 3,000 shares at $5.31 of Solana Co¹³

Sources

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

1
SEC EDGARSolana Co, Board member
2
SEC EDGARNEUROONE MEDICAL TECHNOLOGIES Corp, Board member
3
SEC EDGARSolana Co, Chief financial officer
4
SEC EDGARPanbela Therapeutics, Inc., Board member
5
SEC EDGARHealthcare Triangle, Inc., Board member
6
SEC EDGARMetaVia Inc., Chief financial officer
7
SEC EDGARNuwellis, Inc., Chief financial officer
8
SEC EDGARNEUROONE MEDICAL TECHNOLOGIES Corp shares after the filing of Apr 3, 2026
9
SEC EDGARSolana Co shares after the filing of Feb 16, 2022
10
SEC EDGARForm 4 filed Feb 19, 2025
11
SEC EDGARForm 4 filed Mar 20, 2023
12
SEC EDGARForm 4 filed Jun 2, 2022
13
SEC EDGARForm 4 filed Dec 20, 2021