Person profile

Public information reviewed

David Natan

Board role

Director · Indaptus Therapeutics, Inc. (NASDAQ: INDP)

Board role

Director · Quantum Cyber N.V. (NASDAQ: QUCY)

Board role

Director · FiEE, Inc. (NASDAQ: FIEE)

Board role

Director · Sunshine Biopharma Inc. (NASDAQ: SBFMW)

Quantum Cyber N.V. (NASDAQ: QUCY)

Director · Current mandate

Director · Executive
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Reports & analysisAlpha Eval
Evidence records
16
Profile ownership
Not yet claimed
Record reviewed
May 16, 2026
View evidence

Profile

Identity, professional record and current appointments.

Overview

Professional record at a glance

A concise summary of information supported by the cited public sources. Missing information is treated as unknown, not as a negative finding.

Current roles
44 current organizations shown on this profile
Board positions
44 supported by public sources, 0 supplied by the profile owner
Committee roles
3Roles supported by the sources cited on this profile
Qualifications
Not establishedNo qualification is currently confirmed by the cited sources

Professional narrative

About

David Natan has served as a Director and Audit Committee Chair since December 31, 2025. He is President and CEO of Natan Associates, LLC, a consulting firm offering CFO services since 2007, and currently serves on the Board of Sunshine Biopharma and FIEE, Inc., a technology company specializing in SAAS solutions and AI software development.

Sources are shown with the information they support.

Current roles

Appointments & responsibilities

Board appointments

Governance

Board appointments, committee responsibilities and disclosed relationships.

Committee appointments across companies

Structured records are unavailable. This does not establish that no records exist.

Board and advisory record

Board service

Sources are shown with each role, education record, or credential.

Director

Indaptus Therapeutics, Inc.

2026-01-01 · current

Confirmed by public sourceView source

Director

Quantum Cyber N.V.

2026-01-01 · current

Confirmed by public sourceView source

Director

FiEE, Inc.

2023-01-01 · current

Confirmed by public sourceView source

Director

Sunshine Biopharma Inc.

2022-01-01 · current

Confirmed by public sourceView source

Connections

Explore the roles, education and affiliations published in this record.

FiEE, Inc.

Open FiEE, Inc. profile →

Director at FiEE, Inc.

2023-01-01 → End not stated

current · source reported

Observed: 2026-09-24

FiEE, Inc.FiEE, Inc.Indaptus Therapeut…Indaptus Therapeutics, Inc.Quantum Cyber N.V.Quantum Cyber N.V.Sunshine Biopharma…Sunshine Biopharma Inc.David Natan

Dashed lines mark past roles. Select a connection to see its dates and sources.

Relationship map

Connected through the public record

Direct relationships from verified facts and published résumé records. Private connections are excluded.

Direct public links only

Only published affiliations are shown here. Private relationships require authorized access.

Experience

Career history, education, credentials and public contributions.

Published record

Featured coverage

Selected publications and public sources used to establish this profile. Inclusion records provenance; it is not an endorsement.

Source 1 · Sec FilingSBFM 10-K executive officersSupports Executive company, Executive title.Open sourceSource 2 · Sec FilingSOWG 10-K executive officersSupports AI and ML experience, Cybersecurity experience, Executive company, Executive title, Other Company Role, Technology background.Open sourceSource 3 · Sec FilingQUCY DEF 14A director slateSupports Board role, Committee assignments.Open sourceSource 4 · Sec FilingINDP 10-K executive officersSupports Executive company, Executive title.Open sourceSource 5 · Sec FilingINDP DEF 14A director slateSupports Board role, Committee assignments.Open sourceSource 6 · Sec FilingSBFM DEF 14A director slateSupports AI and ML experience, Board role, Committee assignments, Executive company, Executive title, Cybersecurity experience, Technology background.Open sourceSource 7 · Sec FilingFIEE DEF 14A director slateSupports Board role, Committee assignments.Open source

Basis

Identifiers, sources, dates and record limitations.

Identifiers

Alpha ID
alpha:person:david-natan
Record version
public-0

Published evidence records

16 evidence records, matching Agent View. Records may refer to different locations or observations in the same document. This count is not a count of independent corroborating sources.

  1. SBFM 10-K executive officers

    sec filing · Source published: Apr 3, 2026 · Retrieved: May 16, 2026

    Supports 2 claims
    • Executive company: Executive at Sunshine Biopharma Inc. · Claim reviewed: May 16, 2026
    • Executive title: Executive title: Director · Claim reviewed: May 16, 2026

  2. SOWG 10-K executive officers

    sec filing · Source published: Mar 31, 2026 · Retrieved: May 16, 2026

    Supports 6 claims
    • AI and ML experience: AI and machine learning experience reported in filings · Claim reviewed: May 16, 2026
    • Cybersecurity experience: Cybersecurity experience: not identified in the cited filing · Claim reviewed: May 16, 2026
    • Executive company: Executive at Sow Good Inc. · Claim reviewed: May 16, 2026
    • Executive title: Executive title: Director, Audit Committee Chair · Claim reviewed: May 16, 2026
    • Other Company Role: David Natan is also linked to Natan Associates, LLC as President and Chief Executive Officer. · Claim reviewed: May 16, 2026
    • Technology background: Technology background reported in filings · Claim reviewed: May 16, 2026

  3. QUCY DEF 14A director slate

    sec filing · Source published: Mar 25, 2026 · Retrieved: Jul 28, 2026

    Supports 2 claims
    • Board role: Board role: Director · Claim reviewed: Jul 28, 2026
    • Committee assignments: No committee assignment disclosed in the cited filing · Claim reviewed: Jul 28, 2026

  4. Open source

    sec proxy · Source published: Mar 25, 2026 · Retrieved: Apr 25, 2026

    Supports 1 claim
    • Professional Role: Director at Quantum Cyber N.V. · Claim reviewed: May 16, 2026

  5. INDP 10-K executive officers

    sec filing · Source published: Mar 17, 2026 · Retrieved: May 16, 2026

    Supports 2 claims
    • Executive company: Executive at Indaptus Therapeutics, Inc. · Claim reviewed: May 16, 2026
    • Executive title: Executive title: Director · Claim reviewed: May 16, 2026

  6. INDP DEF 14A director slate

    sec filing · Source published: Jan 21, 2026 · Retrieved: May 16, 2026

    Supports 2 claims
    • Board role: Board role: Director · Claim reviewed: Jul 28, 2026
    • Committee assignments: No committee assignment disclosed in the cited filing · Claim reviewed: Jul 28, 2026

  7. Open source

    sec proxy · Source published: Jan 21, 2026 · Retrieved: Apr 25, 2026

    Supports 1 claim
    • Professional Role: Director at Indaptus Therapeutics, Inc. · Claim reviewed: May 16, 2026

  8. SBFM DEF 14A director slate

    sec filing · Source published: Oct 23, 2025 · Retrieved: May 16, 2026

    Supports 7 claims
    • AI and ML experience: AI and ML experience: not identified in the cited filing · Claim reviewed: May 16, 2026
    • Board role: Board role: Director · Claim reviewed: Jul 28, 2026
    • Committee assignments: Committee assignments: Audit, Compensation, Nominating/Governance · Claim reviewed: May 16, 2026
    • Cybersecurity experience: Cybersecurity experience: not identified in the cited filing · Claim reviewed: May 16, 2026
    • Executive company: Executive at Natan & Associates, LLC · Claim reviewed: May 16, 2026
    • Executive title: Executive title: President and CEO · Claim reviewed: May 16, 2026
    • Technology background: Technology background: not identified in the cited filing · Claim reviewed: May 16, 2026

  9. Open source

    sec proxy · Source published: Oct 23, 2025 · Retrieved: Apr 28, 2026

    Supports 1 claim
    • Professional Role: Director at Sunshine Biopharma Inc. · Claim reviewed: May 16, 2026

  10. FIEE DEF 14A director slate

    sec filing · Source published: Sep 22, 2025 · Retrieved: May 15, 2026

    Supports 2 claims
    • Board role: Board role: Director · Claim reviewed: Jul 28, 2026
    • Committee assignments: Committee assignments: Audit, Compensation, Nominating/Governance · Claim reviewed: May 16, 2026

  11. FIEE DEF 14A executive officers

    sec filing · Source published: Sep 22, 2025 · Retrieved: May 16, 2026

    Supports 2 claims
    • Executive company: Executive at FiEE, Inc. · Claim reviewed: May 16, 2026
    • Executive title: Executive title: Director · Claim reviewed: May 16, 2026

  12. Open source

    sec proxy · Source published: Sep 22, 2025 · Retrieved: Apr 28, 2026

    Supports 1 claim
    • Professional Role: Director at FiEE, Inc. · Claim reviewed: May 16, 2026

  13. Open source

    public source · Source published: Date unavailable · Retrieved: Date unavailable

    Supports 1 claim
    • Board membership: Serves on the board of Indaptus Therapeutics, Inc. · Claim reviewed: May 16, 2026

  14. Open source

    public source · Source published: Date unavailable · Retrieved: Date unavailable

    Supports 1 claim
    • Board membership: Serves on the board of Quantum Cyber N.V. · Claim reviewed: May 16, 2026

  15. Open source

    public source · Source published: Date unavailable · Retrieved: Date unavailable

    Supports 1 claim
    • Board membership: Serves on the board of FiEE, Inc. · Claim reviewed: May 16, 2026

  16. Open source

    public source · Source published: Date unavailable · Retrieved: Date unavailable

    Supports 1 claim
    • Board membership: Serves on the board of Sunshine Biopharma Inc. · Claim reviewed: May 16, 2026

Sources

Sources and published information

Each item links to the public source used to support it. When sources disagree, the item is clearly marked for review.

AI and ML experience · Under reviewAI and ML experience: not identified in the cited filing1 source
Verification
Under review
Confidence
72%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

AI and ML experience · Under reviewAI and machine learning experience reported in filings1 source
Verification
Under review
Confidence
72%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Board membership · Source reportedServes on the board of FiEE, Inc.1 source
Verification
Source reported
Confidence
Not stated
Last reviewed
Not stated
Board membership · Source reportedServes on the board of Indaptus Therapeutics, Inc.1 source
Verification
Source reported
Confidence
Not stated
Last reviewed
Not stated
Board membership · Source reportedServes on the board of Quantum Cyber N.V.1 source
Verification
Source reported
Confidence
Not stated
Last reviewed
Not stated
Board membership · Source reportedServes on the board of Sunshine Biopharma Inc.1 source
Verification
Source reported
Confidence
Not stated
Last reviewed
Not stated
Board role · CorroboratedBoard role: DirectorSupported by 4 public records4 sources
Verification
Corroborated
Confidence
92%
Last reviewed
Jul 28, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jul 28, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

Committee assignments · CorroboratedNo committee assignment disclosed in the cited filingSupported by 2 public records2 sources
Verification
Corroborated
Confidence
88%
Last reviewed
Jul 28, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jul 28, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Committee assignments · CorroboratedCommittee assignments: Audit, Compensation, Nominating/GovernanceSupported by 2 public records2 sources
Verification
Corroborated
Confidence
88%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

Cybersecurity experience · CorroboratedCybersecurity experience: not identified in the cited filingSupported by 2 public records2 sources
Verification
Corroborated
Confidence
72%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Executive company · Source reportedExecutive at FiEE, Inc.1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Executive company · Source reportedExecutive at Indaptus Therapeutics, Inc.1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Executive company · Source reportedExecutive at Natan & Associates, LLC1 source
Verification
Source reported
Confidence
85%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Executive company · Source reportedExecutive at Sow Good Inc.1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Executive company · Source reportedExecutive at Sunshine Biopharma Inc.1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Executive title · CorroboratedExecutive title: DirectorSupported by 3 public records3 sources
Verification
Corroborated
Confidence
94%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Executive title · Source reportedExecutive title: Director, Audit Committee Chair1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Executive title · Source reportedExecutive title: President and CEO1 source
Verification
Source reported
Confidence
85%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Other Company Role · Source reportedDavid Natan is also linked to Natan Associates, LLC as President and Chief Executive Officer.1 source
Verification
Source reported
Confidence
70%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Technology background · Under reviewTechnology background: not identified in the cited filing1 source
Verification
Under review
Confidence
72%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Technology background · Under reviewTechnology background reported in filings1 source
Verification
Under review
Confidence
72%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

View all sources16 records
  1. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

    Supports: Executive company · Executive title

  2. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

    Supports: AI and ML experience · Cybersecurity experience · Executive company · Executive title · Other Company Role · Technology background

  3. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jul 28, 2026

    Supports: Board role · Committee assignments

  4. https://www.sec.gov/Archives/edgar/data/1874252/000121390026034146/ea0283320-def14a_mainz.htm

    Sec Proxy · Tier not stated · Reviewed Apr 25, 2026

    Supports: Director at Quantum Cyber N.V. (NASDAQ: QUCY)

  5. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

    Supports: Executive company · Executive title

  6. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

    Supports: Board role · Committee assignments

  7. https://www.sec.gov/Archives/edgar/data/1857044/000149315226003135/formdef14a.htm

    Sec Proxy · Tier not stated · Reviewed Apr 25, 2026

    Supports: Director at Indaptus Therapeutics, Inc. (NASDAQ: INDP)

  8. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

    Supports: AI and ML experience · Board role · Committee assignments · Executive company · Executive title · Cybersecurity experience · Technology background

  9. https://www.sec.gov/Archives/edgar/data/1402328/000168316825007747/sunshine_def14a.htm

    Sec Proxy · Tier not stated · Reviewed Apr 28, 2026

    Supports: Director at Sunshine Biopharma Inc. (NASDAQ: SBFMW)

  10. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

    Supports: Board role · Committee assignments

  11. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

    Supports: Executive company · Executive title

  12. https://www.sec.gov/Archives/edgar/data/1467761/000114036125035719/ny20054851x2_def14a.htm

    Sec Proxy · Tier not stated · Reviewed Apr 28, 2026

    Supports: Director at FiEE, Inc. (NASDAQ: FIEE)

  13. https://www.sec.gov/Archives/edgar/data/1857044/000149315226003135/formdef14a.htm

    Public Source · Tier not stated · Reviewed Not stated

    Supports: Board membership

  14. https://www.sec.gov/Archives/edgar/data/1874252/000121390026034146/ea0283320-def14a_mainz.htm

    Public Source · Tier not stated · Reviewed Not stated

    Supports: Board membership

  15. https://www.sec.gov/Archives/edgar/data/1467761/000114036125035719/ny20054851x2_def14a.htm

    Public Source · Tier not stated · Reviewed Not stated

    Supports: Board membership

  16. https://www.sec.gov/Archives/edgar/data/1402328/000168316825007747/sunshine_def14a.htm

    Public Source · Tier not stated · Reviewed Not stated

    Supports: Board membership