BSEMBioStem Technologies, Inc.
- Market cap
- $29.32M
- as of 2026-10-23
- Latest close
- $1.57
- as of 2026-10-23
- Sector
- Healthcare
- as of 2026-10-24
- Industry
- Biotechnology
- as of 2026-10-24
Cluster
No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).
Form 4 historysince 2026-08-20
| Insider | Traded | Filed | Type | Shares | Price | Value | Owned after | 10b5-1 plan | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Matuszewski JasonChief Executive Officer | Oct 7 | Oct 9 | M | 250,000 | $2.00 | $500,000 | 1,553,551 | No | Form 4 |
| Matuszewski JasonChief Executive Officer | Oct 7 | Oct 9 | M · derivative | 250,000 | $2.00 | $500,000 | 2,000,000 | No | Form 4 |
| Smith-Van Vurst AndrewChief Operating Officer | Oct 7 | Oct 9 | M | 250,000 | $2.00 | $500,000 | 1,789,809 | No | Form 4 |
| Smith-Van Vurst AndrewChief Operating Officer | Oct 7 | Oct 9 | M · derivative | 250,000 | $2.00 | $500,000 | 2,000,000 | No | Form 4 |
| Smith-Van Vurst AndrewChief Operating Officer | Sep 17 | Sep 17 | M | 9,574 | $0.00 | $0 | 1,539,809 | No | Form 4 |
| Smith-Van Vurst AndrewChief Operating Officer | Sep 17 | Sep 17 | M · derivative | 9,574 | $0.00 | $0 | 57,442 | No | Form 4 |
| Matuszewski JasonChief Executive Officer | Sep 17 | Sep 17 | M | 16,650 | $0.00 | $0 | 1,303,552 | No | Form 4 |
| Matuszewski JasonChief Executive Officer | Sep 17 | Sep 17 | M · derivative | 16,650 | $0.00 | $0 | 99,900 | No | Form 4 |
| Fortunato Michael AChief Accounting Officer | Sep 15 | Sep 17 | M | 4,234 | $0.00 | $0 | 68,664 | No | Form 4 |
| Fortunato Michael AChief Accounting Officer | Sep 15 | Sep 17 | M · derivative | 4,234 | $0.00 | $0 | 16,941 | No | Form 4 |
| Warrington Kenneth Howard Jr | Sep 15 | Sep 17 | M | 1,694 | $0.00 | $0 | 33,928 | No | Form 4 |
| Warrington Kenneth Howard Jr | Sep 15 | Sep 17 | M · derivative | 1,694 | $0.00 | $0 | 6,773 | No | Form 4 |
| Smith-Van Vurst AndrewChief Operating Officer | Sep 15 | Sep 17 | M | 7,622 | $0.00 | $0 | 1,530,235 | No | Form 4 |
| Smith-Van Vurst AndrewChief Operating Officer | Sep 15 | Sep 17 | M · derivative | 7,622 | $0.00 | $0 | 30,487 | No | Form 4 |
| Poe BrandonChief Financial Officer | Sep 15 | Sep 17 | M | 1,694 | $0.00 | $0 | 58,062 | No | Form 4 |
| Poe BrandonChief Financial Officer | Sep 15 | Sep 17 | M · derivative | 1,694 | $0.00 | $0 | 6,775 | No | Form 4 |
| Matuszewski JasonChief Executive Officer | Sep 15 | Sep 17 | M | 8,469 | $0.00 | $0 | 1,286,902 | No | Form 4 |
| Matuszewski JasonChief Executive Officer | Sep 15 | Sep 17 | M · derivative | 8,469 | $0.00 | $0 | 33,874 | No | Form 4 |
| Hassett BarryChief Commercial Officer | Sep 9 | Sep 11 | M | 500 | $0.00 | $0 | 5,003 | No | Form 4 |
| Hassett BarryChief Commercial Officer | Sep 9 | Sep 11 | M · derivative | 500 | $0.00 | $0 | 4,497 | No | Form 4 |
| Glickman Mark A | Aug 27 | Aug 28 | M | 7,671 | $0.00 | $0 | 7,671 | No | Form 4 |
| Glickman Mark A | Aug 27 | Aug 28 | M · derivative | 7,671 | $0.00 | $0 | not reported | No | Form 4 |
| Lesser Hannaway Rayna | Aug 27 | Aug 28 | M | 7,671 | $0.00 | $0 | 7,671 | No | Form 4 |
| Lesser Hannaway Rayna | Aug 27 | Aug 28 | M · derivative | 7,671 | $0.00 | $0 | not reported | No | Form 4 |
| Warrington Kenneth Howard Jr | Aug 27 | Aug 28 | M | 5,094 | $0.00 | $0 | 32,234 | No | Form 4 |
| Warrington Kenneth Howard Jr | Aug 27 | Aug 28 | M · derivative | 5,094 | $0.00 | $0 | not reported | No | Form 4 |
| Sonenreich Steven D | Aug 27 | Aug 28 | M | 7,671 | $0.00 | $0 | 7,671 | No | Form 4 |
| Sonenreich Steven D | Aug 27 | Aug 28 | M · derivative | 7,671 | $0.00 | $0 | not reported | No | Form 4 |
| Ungrodt Jodi | Aug 27 | Aug 28 | M | 5,647 | $0.00 | $0 | 11,295 | No | Form 4 |
| Ungrodt Jodi | Aug 27 | Aug 28 | M · derivative | 5,647 | $0.00 | $0 | not reported | No | Form 4 |
| Poe BrandonChief Financial Officer | Aug 11 | Aug 20 | M | 10,634 | $0.00 | $0 | 56,368 | No | Form 4 |
| Poe BrandonChief Financial Officer | Aug 11 | Aug 20 | M · derivative | 10,634 | $0.00 | $0 | 21,591 | No | Form 4 |
| Fortunato Michael AChief Accounting Officer | Aug 9 | Aug 20 | M | 970 | $0.00 | $0 | 64,430 | No | Form 4 |
| Fortunato Michael AChief Accounting Officer | Aug 9 | Aug 20 | M · derivative | 970 | $0.00 | $0 | 6,790 | No | Form 4 |