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%
Top institutional holders of BSEM
HolderShares% of shares
Van Vurst (Andrew)1.52M8.97%
Smith-Van (Vurst Andrew)1.52M8.97%
Matuszewski (Jason)1.28M7.53%
Van Vurst (Henry)848.32K5.00%
Fortunato (Michael A.)64.43K0.38%
Poe (Brandon)56.37K0.33%
Warrington (Kenneth Howard JR)32.23K0.19%
Ungrodt (Jodi)11.29K0.07%
Lesser (Hannaway Rayna)7.67K0.05%
Sonenreich (Steven D.)7.67K0.05%

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.

Latest BSEM insider transactions
InsiderTypeSharesValue
SMITH-VAN VURST ANDREWOption exercise250.00K—
SMITH-VAN VURST ANDREWOption exercise250.00K$500.00K
Matuszewski JasonOption exercise250.00K—
Matuszewski JasonOption exercise250.00K$500.00K
SMITH-VAN VURST ANDREWOption exercise9.57K—
SMITH-VAN VURST ANDREWOption exercise9.57K—
Matuszewski JasonOption exercise16.65K—
Matuszewski JasonOption exercise16.65K—
POE BRANDONOption exercise1.69K—
POE BRANDONOption exercise1.69K—

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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