Biostem Technologies
BSEM · OTC
$1.64+$0.10 (+6.49%)TodayMarket closed ·
Prev close $1.54
Who owns BSEM
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 31.5% of BSEM’s shares.
- Van Vurst (Andrew)9.0%
- Smith-Van (Vurst Andrew)9.0%
- Matuszewski (Jason)7.5%
- Van Vurst (Henry)5.0%
- Next 6 largest institutions1.1%
- All other shareholders68.5%
| Holder | Shares | % of shares |
|---|---|---|
| Van Vurst (Andrew) | 1.52M | 8.97% |
| Smith-Van (Vurst Andrew) | 1.52M | 8.97% |
| Matuszewski (Jason) | 1.28M | 7.53% |
| Van Vurst (Henry) | 848.32K | 5.00% |
| Fortunato (Michael A.) | 64.43K | 0.38% |
| Poe (Brandon) | 56.37K | 0.33% |
| Warrington (Kenneth Howard JR) | 32.23K | 0.19% |
| Ungrodt (Jodi) | 11.29K | 0.07% |
| Lesser (Hannaway Rayna) | 7.67K | 0.05% |
| Sonenreich (Steven D.) | 7.67K | 0.05% |
Insider trades
Form 4 filings by officers, directors and large holders
Insiders made no open-market buys or sales of BSEM in the last 6 months.
| Insider | Type | Shares | Value |
|---|---|---|---|
| SMITH-VAN VURST ANDREW | Option exercise | 250.00K | — |
| SMITH-VAN VURST ANDREW | Option exercise | 250.00K | $500.00K |
| Matuszewski Jason | Option exercise | 250.00K | — |
| Matuszewski Jason | Option exercise | 250.00K | $500.00K |
| SMITH-VAN VURST ANDREW | Option exercise | 9.57K | — |
| SMITH-VAN VURST ANDREW | Option exercise | 9.57K | — |
| Matuszewski Jason | Option exercise | 16.65K | — |
| Matuszewski Jason | Option exercise | 16.65K | — |
| POE BRANDON | Option exercise | 1.69K | — |
| POE BRANDON | Option exercise | 1.69K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 98.45K
- Days to cover
- 1.00
- % of shares outstanding
- 0.58%
- Average daily volume
- 226.04K
- Change since last report
- −26.5%
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