Form 4 for BSEM BioStem Technologies, Inc.
Accepted 2026-09-17 16:30:08 ET · period of report 2026-09-15 · accession 0001193125-26-394398 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2026-09-17 16:30 | 2026-09-15+ | BSEM | Matuszewski Jason | CEO, Dir, 10% | M - OptEx | $0.00 | +25.1K | 1.30M | +2% | $0 |
| DM | 2026-09-17 16:30 | 2026-09-15+ | BSEM | Matuszewski Jason | CEO, Dir, 10% | M - OptEx | $0.00 | -25.1K | 99.9K | -20% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-09-15 | M | A | 8,469 | $0.00 | 1,286,902 | D | — | — | |
| 2 | Common | Common Stock | 2026-09-17 | M | A | 16,650 | $0.00 | 1,303,552 | D | — | — | |
| 3 | Derivative | Restricted Stock Units | 2026-09-15 | M | D | 8,469 | $0.00 | 33,874 | D | — · — to — | 8,469 Common Stock | (F5) Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock. (F6) These restricted stock units vest quarterly over three years from the grant date (September 15, 2024). (F6) These restricted stock units vest quarterly over three years from the grant date (September 15, 2024). |
| 4 | Derivative | Restricted Stock Units | 2026-09-17 | M | D | 16,650 | $0.00 | 99,900 | D | — · — to — | 16,650 Common Stock | (F5) Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock. (F7) These restricted stock units vest according to the following schedule: 33% vested on March 17, 2026, the one year anniversary of the grant date, with the remaining units vesting in equal quarterly installments over the subsequent two year period. (F7) These restricted stock units vest according to the following schedule: 33% vested on March 17, 2026, the one year anniversary of the grant date, with the remaining units vesting in equal quarterly installments over the subsequent two year period. |