John Patrick Mc Mahon is Chief Operating Officer of SIGMA LABS, INC.. Currently has a direct ownership of 168,414 shares of SASI, which is worth approximately $417,666. The most recent transaction as insider was on Nov 21, 2025, when has been sold 168,414 shares (Common Stock) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 168K
n/a 3M change
n/a 12M change
Total Value Held $417,666

John Patrick McMahon Transaction History

Date Transaction Value Shares Traded Shares Held Form
Nov 21 2025
BUY
Conversion of derivative security
-
168,414 Added 50.0%
168,414 Common Stock
JPM

John Patrick Mc Mahon

Chief Operating Officer
Santa Fe, NM

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