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Who

John P. Hamill

SrVP/CFO/Prin Fin & Acct Ofcr

Company insider

Files Form 4 as: SrVP/CFO/Prin Fin & Acct Ofcr, Aprea Therapeutics; SVP & CFO, Windtree Therapeutics; VP Fin,Princ Fin&Acct Officer, Trevena.

In numbers

Trades disclosed
39
Buys
10
Sells
0
Bought
$47K
Sold
$0
Companies
3
Companies where not an officer
0
First trade
31 Aug 2018
Last trade
31 Mar 2026
Last filed
1 Apr 2026

Companies traded

Where they are an officer
APRE Aprea TherapeuticsOfficer · Biotechnology · last 31 Mar 20265 buys · 0 sells
Windtree TherapeuticsOfficer · Biotechnology · last 26 Jul 20224 buys · 0 sells
TrevenaOfficer · last 3 Jun 20191 buy · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
01Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
31 Mar 2026filed 1 Apr 2026APRE Aprea Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code P$25K30,978 at $0.807filing
31 Mar 2026filed 1 Apr 2026APRE Aprea Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code P—30,978filing
31 Mar 2026filed 1 Apr 2026APRE Aprea Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code P$25K30,978 at $0.81filing
31 Mar 2026filed 1 Apr 2026APRE Aprea Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code P—30,978filing
12 Mar 2026filed 16 Mar 2026APRE Aprea TherapeuticsBiotechnologySEC FORM 4 Code A—10,095 at $0.00filing
12 Mar 2026filed 16 Mar 2026APRE Aprea Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—40,380 at $0.00filing
12 Mar 2026filed 16 Mar 2026APRE Aprea Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—40,380 at $0.00filing
12 Mar 2026filed 16 Mar 2026APRE Aprea TherapeuticsBiotechnologySEC FORM 4 Code A—10,095 at $0.00filing
30 Jan 2026filed 2 Feb 2026APRE Aprea TherapeuticsBiotechnologySEC FORM 4 Bought$5,0735,700 at $0.89filing
30 Jan 2026filed 2 Feb 2026APRE Aprea Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code P—5,700filing
30 Jan 2026filed 2 Feb 2026APRE Aprea Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code P—5,700filing
30 Jan 2026filed 2 Feb 2026APRE Aprea TherapeuticsBiotechnologySEC FORM 4 Bought$5,0735,700 at $0.89filing
10 Dec 2025filed 11 Dec 2025APRE Aprea Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code P—5,000filing
10 Dec 2025filed 11 Dec 2025APRE Aprea TherapeuticsBiotechnologySEC FORM 4 Bought$5,8505,000 at $1.17filing
27 Mar 2025filed 31 Mar 2025APRE Aprea Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—13,460 at $0.00filing
27 Mar 2025filed 31 Mar 2025APRE Aprea TherapeuticsBiotechnologySEC FORM 4 Code A—3,365 at $0.00filing
11 Oct 2024filed 16 Oct 2024APRE Aprea TherapeuticsBiotechnologySEC FORM 4 Bought$12350 at $2.46filing
10 Oct 2024filed 15 Oct 2024APRE Aprea TherapeuticsBiotechnologySEC FORM 4 Bought$1,175450 at $2.61filing
28 Mar 2024filed 28 Mar 2024APRE Aprea Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—13,460 at $0.00filing
28 Mar 2024filed 28 Mar 2024APRE Aprea TherapeuticsBiotechnologySEC FORM 4 Code A—3,365 at $0.00filing

News

Reviewing Aprea Therapeutics (NASDAQ:APRE) & Oncobiologics (NASDAQ:OTLK)APRE · themarketsdaily.com · 20 Oct 2026Reviewing Aprea Therapeutics (NASDAQ:APRE) & CRISPR Therapeutics (NASDAQ:CRSP)APRE · tickerreport.com · 12 Oct 2026

0 headlines in the last 90 days name John P. Hamill; 2 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Health Care9
Not placed1

Buys in green, sells in red, by the company’s sector.

Related people

John B. Henneman IIIDirector · Director at Aprea Therapeutics, filing Form 4 there in the last year
Jean-Pierre BizzariDirector · Director at Aprea Therapeutics, filing Form 4 there in the last year
Richard PetersDirector · Director at Aprea Therapeutics, filing Form 4 there in the last year
Michael GrissingerDirector · Director at Aprea Therapeutics, filing Form 4 there in the last year
Bernd R. SeizingerOther role · Director at Aprea Therapeutics, filing Form 4 there in the last year