ironstocklab

Tappin Matthew

President, Software Products · 14 insider transactions on file

All transactions

DateTickerCompanyTypeSharesPriceValueFiling
2026-07-02STEMSTEM, INC.Sale996$7.85$7,818.60filing
2026-06-30STEMSTEM, INC.Option exercise5,000$7.81$39,050.00filing
2026-06-30STEMSTEM, INC.Option exercise2,750$7.81$21,477.50filing
2026-03-11STEMSTEM, INC.Sale402$10.83$4,353.66filing
2026-03-04STEMSTEM, INC.Sale185$10.00$1,850.00filing
2026-03-03STEMSTEM, INC.Sale300$9.67$2,901.00filing
2026-03-01STEMSTEM, INC.Option exercise670filing
2026-02-20STEMSTEM, INC.Sale366$11.40$4,172.40filing
2026-02-19STEMSTEM, INC.Tax withholding522$11.30$5,898.60filing
2026-02-15STEMSTEM, INC.Option exercise1,253filing
2025-11-11STEMSTEM, INC.Sale9,584$17.70$169,636.80filing
2025-11-10STEMSTEM, INC.Tax withholding5,416$18.27$98,950.32filing
2025-11-07STEMSTEM, INC.Option exercise15,000filing
2025-06-16STEMSTEM, INC.Sale20,823$0.45$9,370.35filing

Insider transactions from SEC Form 4 filings via EDGAR. Names appear as filed and aren't normalized across issuers.