Transaction · 0001193125-26-394398

Matuszewski Jason

Matuszewski Jason, CEO, reported a transaction classified as exercise at BioStem Technologies, Inc. involving 16650.000000 shares for an estimated $0.00. Reported holdings after the transaction were 1303552.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

exerciseSEC transaction code MCEO
BSEMBioStem Technologies, Inc.
Trade date
Sep 17, 2026
Filing date
Sep 17, 2026
View on SEC Insider profile
Disclosed value$0Shares × reported price
Shares traded16.6k$0.00 per share
Holdings after1.30MDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Calculated only for code-P purchases and code-S sales.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

BSEM price since this filing

Daily closing prices, with the filing date and available return windows
BSEM · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -27.8%1w ago -4.4%1d ago -6.4%
Returns since7d -11.0%30d -52.1%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
exercise
Code M
Identifier
0001193125-26-394398
Common Stock
Transaction date
Sep 17, 2026
Filed Sep 17, 2026, 08:30 PM · 0d delay
Shares
16,650 sh
$0.00 per share
Estimated value
$0
Computed from shares × price
Holdings after
1,303,552 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership
Filing-only score

+10 points

Compact filing score computed from stored Form 4 facts. Version v1.

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 0

    Filing reported within two business days of the transaction.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Executive Officer

Officer YesDirector Yes10% YesOther No
Footnotes & amended
  1. F1

    These options are fully vested and exercisable.

  2. F2

    These options vest according to the following schedule: 33% vested on March 17, 2026, the one-year anniversary of the grant date, with the remaining options vesting in equal quarterly installments ove…

  3. F3

    These 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 installmen…

  4. F4

    These 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 installmen…

  5. F5

    Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock.

  6. F6

    These restricted stock units vest quarterly over three years from the grant date (September 15, 2024).

  7. 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 in…

  8. F8

    These 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 quarter…

Original filing · 0001193125-26-394398
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