A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.

Why are some filings missing?

New filings appear as the SEC updates EDGAR, and older records can vary by availability.

How often is this page updated?

Updates follow new EDGAR submissions and periodic data refreshes.

Filer Snapshot

Michael Thomas Henderson SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001779990.

Entity Type

Individual

Total Filings

Latest Filing

15 May 2026

Industry

n/a

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Go to latest filings table Open reporting owner context

Source: SEC Forms 3/4/5

4 filed on 15 May 2026 for CIK 0001779990.

View Source Filing

Business address: 421 Kipling Street, Palo Alto, CA, 94301
Top holdings (ownership): APGE and SYRE

Quick Takeaways

Michael Thomas Henderson is an SEC filer tracked under CIK 0001779990.
68 filings are listed on this profile.
Common form coverage includes 4, 144, 3/A and more.

What Changed

Latest filing: 4 filed on 15 May 2026.
Report period: 13 May 2026.

Why This Matters

You can quote filing dates and form types directly from the SEC record on this page.
Use this profile before deeper ownership or insider analysis to confirm filing history context.

Source Evidence

Source: SEC Forms 3/4/5

4 filed on 15 May 2026 for CIK 0001779990.

View Source Filing

Return Loop

Why revisit this filer page

A newly filed 4 can change the filing history, ownership context, or next research path for Michael Thomas Henderson.

Latest source-backed update: 4 filed 15 May 2026
Why come back: Revisit after a new SEC filing appears to compare the updated record with prior filings.

Latest filing on record: 4 filed 15 May 2026.
Save this filer if you want a stable place to return after the next filing cycle.
Open the latest filing table or ownership context to verify what changed.

Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.

Jump to save and follow actions Open latest filings table

Latest update

What changed recently for Michael Thomas Henderson

Ownership report updated

Latest ownership report period: 13 May 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

15 May 2026

Page type

Ownership filings

Latest period

13 May 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 15 May 2026.

Open ownership filings Browse recent public updates

Filer Overview

Michael Thomas Henderson has filed 68 SEC EDGAR filings since 27 Jun 2019. Common forms include 4, 144, 3/A, 3.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Michael Thomas Henderson with direct links to document and filing folders.

4 File 001-41740

OWNERSHIP DOCUMENT

Filing date: 15 May 2026
Reporting date: 13 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 13 May 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37722

FORM 4

Filing date: 08 May 2026
Reporting date: 08 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 08 May 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41740

OWNERSHIP DOCUMENT

Filing date: 20 Apr 2026
Reporting date: 16 Apr 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41740

OWNERSHIP DOCUMENT

Filing date: 10 Apr 2026
Reporting date: 08 Apr 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41740

OWNERSHIP DOCUMENT

Filing date: 13 Mar 2026
Reporting date: 11 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41740

OWNERSHIP DOCUMENT

Filing date: 13 Feb 2026
Reporting date: 11 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 11 Feb 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37722

FORM 4

Filing date: 23 Jan 2026
Reporting date: 21 Jan 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41740

OWNERSHIP DOCUMENT

Filing date: 16 Jan 2026
Reporting date: 14 Jan 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41740

OWNERSHIP DOCUMENT

Filing date: 06 Jan 2026
Reporting date: 02 Jan 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41740

OWNERSHIP DOCUMENT

Filing date: 12 Dec 2025
Reporting date: 10 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41740

OWNERSHIP DOCUMENT

Filing date: 05 Dec 2025
Reporting date: 04 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41740

OWNERSHIP DOCUMENT

Filing date: 13 Nov 2025
Reporting date: 13 Nov 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 13 Nov 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37722

FORM 4

Filing date: 02 Jun 2025
Reporting date: 29 May 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41740

OWNERSHIP DOCUMENT

Filing date: 07 Mar 2025
Reporting date: 05 Mar 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 05 Mar 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41740

OWNERSHIP DOCUMENT

Filing date: 07 Feb 2025
Reporting date: 05 Feb 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 05 Feb 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41740

OWNERSHIP DOCUMENT

Filing date: 31 Jan 2025
Reporting date: 31 Jan 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37722

FORM 4

Filing date: 14 Jan 2025
Reporting date: 10 Jan 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41740

OWNERSHIP DOCUMENT

Filing date: 10 Jan 2025
Reporting date: 08 Jan 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 08 Jan 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41740

OWNERSHIP DOCUMENT

Filing date: 11 Dec 2024
Reporting date: 09 Dec 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41740

OWNERSHIP DOCUMENT

Filing date: 06 Dec 2024
Reporting date: 04 Dec 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 04 Dec 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41740

OWNERSHIP DOCUMENT

Filing date: 08 Nov 2024
Reporting date: 06 Nov 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 06 Nov 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41740

OWNERSHIP DOCUMENT

Filing date: 04 Oct 2024
Reporting date: 02 Oct 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 02 Oct 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41740

OWNERSHIP DOCUMENT

Filing date: 06 Sep 2024
Reporting date: 04 Sep 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 04 Sep 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41740

OWNERSHIP DOCUMENT

Filing date: 09 Aug 2024
Reporting date: 07 Aug 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 07 Aug 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-40122

FORM 4

Filing date: 31 Jul 2024
Reporting date: 31 Jul 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41740

OWNERSHIP DOCUMENT

Filing date: 05 Jul 2024
Reporting date: 05 Jul 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 05 Jul 2024
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37722

4

Filing date: 16 May 2024
Reporting date: 14 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-41740

OWNERSHIP DOCUMENT

Filing date: 20 Dec 2023
Reporting date: 18 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

3/A File 001-41740

OWNERSHIP DOCUMENT

Filing date: 17 Jul 2023
Reporting date: 13 Jul 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-41740

OWNERSHIP DOCUMENT

Filing date: 13 Jul 2023
Reporting date: 13 Jul 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-37722

3

Filing date: 30 Jun 2023
Reporting date: 22 Jun 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-40122

FORM 3

Filing date: 25 Feb 2021
Reporting date: 25 Feb 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38959

FORM 4 SUBMISSION

Filing date: 17 Dec 2020
Reporting date: 15 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38959

FORM 4 SUBMISSION

Filing date: 02 Dec 2020
Reporting date: 01 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38959

FORM 4 SUBMISSION

Filing date: 02 Dec 2020
Reporting date: 03 Jun 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38959

FORM 4 SUBMISSION

Filing date: 18 Nov 2020
Reporting date: 16 Nov 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38959

FORM 4 SUBMISSION

Filing date: 03 Nov 2020
Reporting date: 02 Nov 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38959

FORM 4 SUBMISSION

Filing date: 05 Oct 2020
Reporting date: 01 Oct 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38959

FORM 4 SUBMISSION

Filing date: 22 Sep 2020
Reporting date: 18 Sep 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38959

FORM 4 SUBMISSION

Filing date: 03 Sep 2020
Reporting date: 01 Sep 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38959

FORM 4 SUBMISSION

Filing date: 18 Aug 2020
Reporting date: 16 Aug 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38959

FORM 4 SUBMISSION

Filing date: 05 Aug 2020
Reporting date: 03 Aug 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38959

FORM 4 SUBMISSION

Filing date: 06 Jul 2020
Reporting date: 01 Jul 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38959

FORM 4 SUBMISSION

Filing date: 10 Jun 2020
Reporting date: 08 Jun 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38959

FORM 4 SUBMISSION

Filing date: 03 Jun 2020
Reporting date: 01 Jun 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38959

FORM 4 SUBMISSION

Filing date: 27 May 2020
Reporting date: 26 May 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38959

FORM 4 SUBMISSION

Filing date: 21 May 2020
Reporting date: 19 May 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38959

FORM 4 SUBMISSION

Filing date: 06 May 2020
Reporting date: 05 May 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38959

FORM 4 SUBMISSION

Filing date: 05 May 2020
Reporting date: 01 May 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38959

FORM 4 SUBMISSION

Filing date: 03 Apr 2020
Reporting date: 01 Apr 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38959

FORM 4 SUBMISSION

Filing date: 04 Mar 2020
Reporting date: 02 Mar 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38959

FORM 4 SUBMISSION

Filing date: 05 Feb 2020
Reporting date: 03 Feb 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38959

FORM 4 SUBMISSION

Filing date: 06 Jan 2020
Reporting date: 02 Jan 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38959

FORM 4 SUBMISSION

Filing date: 03 Jul 2019
Reporting date: 01 Jul 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-38959

FORM 3 SUBMISSION

Filing date: 27 Jun 2019
Reporting date: 27 Jun 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

About this filer

Michael Thomas Henderson files with the SEC under CIK 0001779990. This page aggregates EDGAR filings and related ownership activity.

FAQ

What is a CIK?: A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?: New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?: Updates follow new EDGAR submissions and periodic data refreshes.