Research paths
John P. Hamill
Filer Snapshot
John P. Hamill SEC EDGAR Filings
SEC filings, ownership reports, and insider transactions for CIK 0001716213 .
Entity Type
Individual
Total Filings
25
Latest Filing
01 Apr 2026
Industry
n/a
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Business address
C/O Aprea Therapeutics, Inc., 3805 Old Easton Road, Doylestown, PA, 18902
Top holdings (ownership)
WINT and APRE
Quick Takeaways
John P. Hamill is an SEC filer tracked under CIK 0001716213.
25 filings are listed on this profile.
Common form coverage includes 4, 3.
What Changed
Latest filing: 4 filed on 01 Apr 2026.
Report period: 31 Mar 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.
Return Loop
Why revisit this filer page
A newly filed 4 can change the filing history, ownership context, or next research path for John P. Hamill.
Latest source-backed update
4 filed 01 Apr 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 01 Apr 2026.
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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.
Latest update
What changed recently for John P. Hamill
Ownership report updated
Latest ownership report period: 31 Mar 2026. Open the source-backed page to inspect the fresh filing or facts context.
Update date
01 Apr 2026
Page type
Ownership filings
Latest period
31 Mar 2026
Ownership context was refreshed from SEC Forms 3/4/5 filed on 01 Apr 2026.
Filer Overview
John P. Hamill has filed 25 SEC EDGAR filings since 08 Sep 2017.
Common forms include 4, 3.
Latest Filings
Recent SEC filings for John P. Hamill with direct links to document and filing folders.
4
File 001-39069
OWNERSHIP DOCUMENT
Filing date
01 Apr 2026
Reporting date
31 Mar 2026
Next action
Verify source filing
4
File 001-39069
OWNERSHIP DOCUMENT
Filing date
16 Mar 2026
Reporting date
12 Mar 2026
Next action
Verify source filing
4
File 001-39069
OWNERSHIP DOCUMENT
Filing date
02 Feb 2026
Reporting date
30 Jan 2026
Next action
Verify source filing
4
File 001-39069
OWNERSHIP DOCUMENT
Filing date
11 Dec 2025
Reporting date
10 Dec 2025
Next action
Verify source filing
4
File 001-39069
OWNERSHIP DOCUMENT
Filing date
31 Mar 2025
Reporting date
27 Mar 2025
Next action
Verify source filing
4
File 001-39069
OWNERSHIP DOCUMENT
Filing date
16 Oct 2024
Reporting date
11 Oct 2024
Next action
Verify source filing
4
File 001-39069
OWNERSHIP DOCUMENT
Filing date
15 Oct 2024
Reporting date
10 Oct 2024
Next action
Verify source filing
4
File 001-39069
OWNERSHIP DOCUMENT
Filing date
28 Mar 2024
Reporting date
28 Mar 2024
Next action
Verify source filing
4
File 001-39069
OWNERSHIP DOCUMENT
Filing date
14 Mar 2024
Reporting date
13 Mar 2024
Next action
Verify source filing
4
File 001-39069
OWNERSHIP DOCUMENT
Filing date
27 Feb 2023
Reporting date
27 Feb 2023
Next action
Verify source filing
4
File 001-39069
OWNERSHIP DOCUMENT
Filing date
30 Jan 2023
Reporting date
30 Jan 2023
Next action
Verify source filing
3
File 001-39069
OWNERSHIP DOCUMENT
Filing date
30 Jan 2023
Reporting date
30 Jan 2023
Next action
Verify source filing
4
File 001-39290
FORM 4
Filing date
26 Jul 2022
Reporting date
26 Jul 2022
Next action
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4
File 001-39290
FORM 4
Filing date
07 Mar 2022
Reporting date
04 Mar 2022
Next action
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4
File 001-39290
FORM 4
Filing date
19 Apr 2021
Reporting date
16 Apr 2021
Next action
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4
File 001-39290
FORM 4
Filing date
25 Mar 2021
Reporting date
25 Mar 2021
Next action
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4
File 001-39290
FORM 4
Filing date
26 Jan 2021
Reporting date
22 Jan 2021
Next action
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4
File 001-39290
FORM 4
Filing date
09 Oct 2020
Reporting date
07 Oct 2020
Next action
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4
File 001-39290
FORM 4
Filing date
22 Jul 2020
Reporting date
20 Jul 2020
Next action
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3
File 001-39290
FORM 3
Filing date
22 Jul 2020
Reporting date
20 Jul 2020
Next action
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4
File 001-36193
FORM 4 SUBMISSION
Filing date
04 Jun 2019
Reporting date
31 May 2019
Next action
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4
File 001-36193
FORM 4 SUBMISSION
Filing date
10 Dec 2018
Reporting date
06 Dec 2018
Next action
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4
File 001-36193
FORM 4 SUBMISSION
Filing date
04 Sep 2018
Reporting date
31 Aug 2018
Next action
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3
File 001-36193
FORM 3 SUBMISSION
Filing date
13 Jun 2018
Reporting date
11 Jun 2018
Next action
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3
File 001-36598
FORM 3
Filing date
08 Sep 2017
Reporting date
05 Sep 2017
Next action
Verify source filing
About this filer
John P. Hamill files with the SEC under CIK 0001716213. 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.