BSEM insider trading — BioStem Technologies, Inc.
No open-market insider purchases or sales were filed for BioStem Technologies, Inc. (BSEM) in the last 90 days. Other insider transactions — such as stock awards, option exercises or tax withholding — are listed below.
Updated Oct 16, 2026.
Recent BSEM insider transactions
Every Form 4 filed by BioStem Technologies, Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Oct 7, 2026 | Matuszewski Jason | Chief Executive Officer | M · Option exercise | Direct | 250,000 | $2.00 | $500K | Form 4 |
| Oct 7, 2026 | Smith-Van Vurst Andrew | Chief Operating Officer | M · Option exercise | Direct | 250,000 | $2.00 | $500K | Form 4 |
| Sep 17, 2026 | Matuszewski Jason | Chief Executive Officer | M · Option exercise | Direct | 16,650 | — | — | Form 4 |
| Sep 17, 2026 | Smith-Van Vurst Andrew | Chief Operating Officer | M · Option exercise | Direct | 9,574 | — | — | Form 4 |
| Sep 15, 2026 | Matuszewski Jason | Chief Executive Officer | M · Option exercise | Direct | 8,469 | — | — | Form 4 |
| Sep 15, 2026 | Fortunato Michael A | Chief Accounting Officer | M · Option exercise | Direct | 4,234 | — | — | Form 4 |
| Sep 15, 2026 | Warrington Kenneth Howard Jr | Director | M · Option exercise | Direct | 1,694 | — | — | Form 4 |
| Sep 15, 2026 | Smith-Van Vurst Andrew | Chief Operating Officer | M · Option exercise | Direct | 7,622 | — | — | Form 4 |
| Sep 15, 2026 | Poe Brandon | Chief Financial Officer | M · Option exercise | Direct | 1,694 | — | — | Form 4 |
| Sep 9, 2026 | Hassett Barry | Chief Commercial Officer | M · Option exercise | Direct | 500 | — | — | Form 4 |
| Aug 27, 2026 | Glickman Mark A | Director | M · Option exercise | Direct | 7,671 | — | — | Form 4 |
| Aug 27, 2026 | Warrington Kenneth Howard Jr | Director | M · Option exercise | Direct | 5,094 | — | — | Form 4 |
| Aug 27, 2026 | Lesser Hannaway Rayna | Director | M · Option exercise | Direct | 7,671 | — | — | Form 4 |
| Aug 27, 2026 | Ungrodt Jodi | Director | M · Option exercise | Direct | 5,647 | — | — | Form 4 |
| Aug 27, 2026 | Sonenreich Steven D | Director | M · Option exercise | Direct | 7,671 | — | — | Form 4 |
| Aug 11, 2026 | Poe Brandon | Chief Financial Officer | M · Option exercise | Direct | 10,634 | — | — | Form 4 |
| Aug 9, 2026 | Fortunato Michael A | Chief Accounting Officer | M · Option exercise | Direct | 970 | — | — | Form 4 |
BSEM insider trading FAQ
Are insiders buying BSEM stock?
Not on the open market. In the last 90 days, BioStem Technologies, Inc. insiders made no open-market purchases, and no open-market sales. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading BSEM?
No insider bought or sold on the open market in the last 90 days.
Where does BSEM insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.