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Who

Jon McGarity

Director

Company insider

Files Form 4 as: Director, Greenland Mines.

In numbers

Trades disclosed
7
Buys
1
Sells
0
Bought
$50K
Sold
$0
Companies
1
Companies where not an officer
1
First trade
5 Aug 2025
Last trade
20 Jul 2026
Last filed
20 Jul 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
GRML Greenland MinesDirector · Biotechnology · last 20 Jul 20261 buy · 0 sells

Activity over time

1 Jul – 1 Oct
011 Jul1 Aug1 Sep1 Oct

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
20 Jul 2026filed 20 Jul 2026GRML Greenland MinesBiotechnologySEC FORM 4 Bought$25K140,000 at $0.1773filing
20 Jul 2026filed 20 Jul 2026GRML Greenland MinesBiotechnologySEC FORM 4 Bought$25K140,000 at $0.18filing
4 Mar 2026filed 6 Mar 2026Klotho NeurosciencesBiotechnologySEC FORM 4 Code A—350,000filing
4 Mar 2026filed 6 Mar 2026GRML Greenland MinesBiotechnologySEC FORM 4 Code A—350,000filing
10 Dec 2025filed 10 Dec 2025GRML Greenland Minesoption or derivative · BiotechnologySEC FORM 4 Code A$8,20020,000 at $0.41filing
7 Aug 2025filed 8 Aug 2025GRML Greenland Minesoption or derivative · BiotechnologySEC FORM 4 Code A$4,10010,000 at $0.41filing
5 Aug 2025filed 8 Aug 2025GRML Greenland MinesBiotechnologySEC FORM 4 Code A—14,641filing

Sectors

Health Care1

Buys in green, sells in red, by the company’s sector.

Related people

Riad Hussein El-DadaOther role · Other at Klotho Neurosciences, filing Form 4 there in the last year
Jeff LeBlancChief Financial Officer · Chief Financial Officer at Klotho Neurosciences, filing Form 4 there in the last year
Jason David SawyerChief Executive Officer · Director at Greenland Mines, filing Form 4 there in the last year
Samuel M. ZentmanDirector · Director at Klotho Neurosciences, filing Form 4 there in the last year
Shalom HirschmanDirector · Director at Klotho Neurosciences, filing Form 4 there in the last year