SEC Form 4 · accession 0001193125-26-389289

BioStem Technologies, Inc. · BSEM

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Officer — Chief Commercial Officer

Period of report

Sep 9, 2026

Accepted (ET)

Sep 11, 2026 · 4:15 pm EDT

Rule 10b5-1 plan

box not checked

Issuer CIK

0001658678

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock	Sep 9, 2026	M	500	$0.00	A	5,003	D

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Restricted Stock Units^F4,F5	—	Sep 9, 2026	M	500	D	—	—	Common Stock	500	4,497	D
Stock Options (Right to Buy)^F1	$14.89	holding	—	—	—	—	Feb 1, 2035	Common Stock	11,417	11,417	D
Stock Options (Right to Buy)^F2	$14.89	holding	—	—	—	—	Oct 13, 2035	Common Stock	2,427	2,427	D
Stock Options (Right to Buy)^F3	$5.50	holding	—	—	—	—	Feb 11, 2036	Common Stock	70,485	70,485	D
Restricted Stock Units^F4,F6	—	holding	—	—	—	—	—	Common Stock	1,519	1,519	D
Restricted Stock Units^F4,F7	—	holding	—	—	—	—	—	Common Stock	58,182	58,182	D

F1These options vest according to the following schedule: 33% vested on February 1, 2026, the one year anniversary of the grant date, with the remaining options vesting in equal quarterly installments over the subsequent two year period.
F2These options vest according to the following schedule: 33%% will vest on October 13, 2026, the one-year anniversary of the grant date, with the remaining options vesting in equal quarterly installments over the subsequent two year period.
F3These options vest according to the following schedule: 33% will vest on February 11, 2027, the one year anniversary of the grant date, with the remaining options vesting in equal quarterly installments over the subsequent two year period.
F4Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock.
F5These restricted stock units vest in equal quarterly installments over four years from the grant date (December 9, 2024).
F6These restricted stock units vest according to the following schedule: 33% vested on February 1, 2026, the one-year anniversary of the grant date, with the remaining unites vesting in equal quarterly installments over the subsequent two year period.
F7These restricted stock units vest according to the following schedule: 33% will vest on February 11, 2027, the one year anniversary of the grant date, with the remaining units vesting in equal quarterly installments over the subsequent two year period.