BioStem Technologies, Inc. (BSEM)
Data as of , from SEC Form 4 filings.
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About BioStem Technologies, Inc. (BSEM)
The SEC lists BioStem Technologies, Inc. under CIK 0001658678, in biological products (no diagnostic substances). We track it alongside the rest of the Health Care sector. Its registration statement was declared effective on 11 August 2026, which clears it to sell shares but does not fix a trading date.
BSEM Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Option exercise | 34 | 1,191,590 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
BSEM insider transactions (Form 4)
3415 Form 4 filings on record, the earliest from Aug 20, 2026, newest first.
| Traded | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Vurst Andrew Smith-Van - Officer | Option exercise | Common Stock | 250,000 | $2.00 | $500K | |
| Vurst Andrew Smith-Van - Officer | Option exercise | Options (Right to Buy) | 250,000 | $0.00 | - | |
| Jason Matuszewski - Officer | Option exercise | Common Stock | 250,000 | $2.00 | $500K | |
| Jason Matuszewski - Officer | Option exercise | Options (Right to Buy) | 250,000 | $0.00 | - | |
| Brandon Poe - Officer | Option exercise | Common Stock | 1,694 | $0.00 | - | |
| Brandon Poe - Officer | Option exercise | Restricted Stock Units | 1,694 | $0.00 | - | |
| Vurst Andrew Smith-Van - Officer | Option exercise | Common Stock | 7,622 | $0.00 | - | |
| Vurst Andrew Smith-Van - Officer | Option exercise | Common Stock | 9,574 | $0.00 | - | |
| Vurst Andrew Smith-Van - Officer | Option exercise | Restricted Stock Units | 7,622 | $0.00 | - | |
| Vurst Andrew Smith-Van - Officer | Option exercise | Restricted Stock Units | 9,574 | $0.00 | - | |
| Jason Matuszewski - Officer | Option exercise | Common Stock | 8,469 | $0.00 | - | |
| Jason Matuszewski - Officer | Option exercise | Common Stock | 16,650 | $0.00 | - | |
| Jason Matuszewski - Officer | Option exercise | Restricted Stock Units | 8,469 | $0.00 | - | |
| Jason Matuszewski - Officer | Option exercise | Restricted Stock Units | 16,650 | $0.00 | - | |
| Kenneth Howard Warrington Jr. - Director | Option exercise | Common Stock | 1,694 | $0.00 | - | |
| Kenneth Howard Warrington Jr. - Director | Option exercise | Restricted Stock Units | 1,694 | $0.00 | - | |
| Michael A. Fortunato - Officer | Option exercise | Common Stock | 4,234 | $0.00 | - | |
| Michael A. Fortunato - Officer | Option exercise | Restricted Stock Units | 4,234 | $0.00 | - | |
| Barry Hassett - Officer | Option exercise | Common Stock | 500 | $0.00 | - | |
| Barry Hassett - Officer | Option exercise | Restricted Stock Units | 500 | $0.00 | - | |
| Jodi Ungrodt - Director | Option exercise | Common Stock | 5,647 | $0.00 | - | |
| Jodi Ungrodt - Director | Option exercise | Restricted Stock Units | 5,647 | $0.00 | - | |
 Mark A. Glickman - Director | Option exercise | Common Stock | 7,671 | $0.00 | - | |
| Mark A. Glickman - Director | Option exercise | Restricted Stock Units | 7,671 | $0.00 | - | |
| Hannaway Rayna Lesser - Director | Option exercise | Common Stock | 7,671 | $0.00 | - | |
| Hannaway Rayna Lesser - Director | Option exercise | Restricted Stock Units | 7,671 | $0.00 | - | |
| Kenneth Howard Warrington Jr. - Director | Option exercise | Common Stock | 5,094 | $0.00 | - | |
| Kenneth Howard Warrington Jr. - Director | Option exercise | Restricted Stock Units | 5,094 | $0.00 | - | |
| Steven D. Sonenreich - Director | Option exercise | Common Stock | 7,671 | $0.00 | - | |
| Steven D. Sonenreich - Director | Option exercise | Restricted Stock Units | 7,671 | $0.00 | - | |
| Brandon Poe - Officer | Option exercise | Common Stock | 10,634 | $0.00 | - | |
| Brandon Poe - Officer | Option exercise | Restricted Stock Units | 10,634 | $0.00 | - | |
| Michael A. Fortunato - Officer | Option exercise | Common Stock | 970 | $0.00 | - | |
| Michael A. Fortunato - Officer | Option exercise | Restricted Stock Units | 970 | $0.00 | - |
BSEM insider trading FAQ
What is the latest insider trade for BSEM?
BioStem Technologies, Inc. (BSEM) had 15 insider filings in the last 90 days, with the most recent on 9 October 2026. The full record for BSEM runs to 15 Form 4 filings, the earliest from 20 August 2026. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying BSEM stock?
No insider purchases of BSEM were filed in the last 90 days.
How many insiders are selling BSEM stock?
No insider sales of BSEM were filed in the last 90 days.
Where can I see BSEM SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects BSEM Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Health Care companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Vurst Andrew Smith-Van view on EDGAR
- - Jason Matuszewski view on EDGAR
- - Brandon Poe view on EDGAR
- - Vurst Andrew Smith-Van view on EDGAR
- - Jason Matuszewski view on EDGAR
- - Kenneth Howard Warrington Jr. view on EDGAR
- - Michael A. Fortunato view on EDGAR
- - Barry Hassett view on EDGAR
- - Jodi Ungrodt view on EDGAR
Related companies with recent insider activity
Learn more
- What the Form 4 transaction codes mean
- Grants, option exercises, gifts and tax withholding are not trades on the market. The codes say which is which.
- Insider activity in Health Care
- Where BSEM's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
Follow BSEM with a 7-day demo
- BSEM on your watchlist
- Every BSEM Form 4 filing on record
- Up to 3 months of BSEM price history
- The daily trading plan of ranked insider buys, on a delay, with the plan archive
