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 99900.000000 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 after99.9kDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Not calculated for derivative securities.

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

Derivative
Type
exercise
Code M
Identifier
0001193125-26-394398
Restricted Stock Units
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
99,900 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

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

-6 points

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

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

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.
  • derivative_transaction-16 points

    is_derivative = true

    Derivative exercise rows are less discretionary than open-market purchases.
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
Related transactions

0 other transactions

Same SEC filing
Recent company activity

0 recent txs

BSEM