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Who

Brian O'Callaghan

Director

Company insider

Files Form 4 as: Director, Bolt Biotherapeutics; Director, Indaptus Therapeutics; Chief Executive Officer, Acucela; SVP & Cco, Nps Pharmaceuticals.

Every Form 4 they filed

In numbers

Trades disclosed
28
Buys
0
Sells
0
Bought
$0
Sold
$0
Companies
4
Companies where not an officer
2
First trade
15 Oct 2007
Last trade
10 Jun 2026
Last filed
11 Jun 2026

Companies traded

Where they are an officer
AcucelaDirector, Officer · last 27 Jan 20150 buys · 0 sells
Nps PharmaceuticalsOfficer · last 15 Oct 20070 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
BOLT Bolt BiotherapeuticsDirector · Biotechnology · last 10 Jun 20260 buys · 0 sells
INDP Indaptus TherapeuticsDirector · Biotechnology · last 30 Sep 20220 buys · 0 sells

Activity over time

Not enough dated trades to draw.

Every trade

TradedCompanyWhatAmount
10 Jun 2026filed 11 Jun 2026BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—5,000 at $0.00filing
10 Jun 2026filed 11 Jun 2026BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—5,000 at $0.00filing
12 Dec 2025filed 16 Dec 2025BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—1,393filing
12 Dec 2025filed 16 Dec 2025BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—1,393filing
12 Dec 2025filed 16 Dec 2025BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—1,810filing
12 Dec 2025filed 16 Dec 2025BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—1,810filing
12 Dec 2025filed 16 Dec 2025BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—1,250filing
12 Dec 2025filed 16 Dec 2025BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—1,250filing
12 Dec 2025filed 16 Dec 2025BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—1,250filing
12 Dec 2025filed 16 Dec 2025BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—1,250filing
12 Dec 2025filed 16 Dec 2025BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—1,100filing
12 Dec 2025filed 16 Dec 2025BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—1,100filing
12 Dec 2025filed 16 Dec 2025BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—1,100filing
12 Dec 2025filed 16 Dec 2025BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—1,100filing
27 May 2025filed 2 Jul 2025BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—1,100 at $0.00filing
12 Jun 2024filed 14 Jun 2024BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—22,000 at $0.00filing
12 Jun 2023filed 14 Jun 2023BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—25,000 at $0.00filing
30 Sep 2022filed 3 Oct 2022INDP Indaptus Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—13,750 at $0.00filing
10 Jun 2022filed 10 Jun 2022BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—25,000 at $0.00filing
24 Mar 2022filed 28 Mar 2022BOLT Bolt Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—22,140 at $0.00filing

News

No headline names them, or the companies they trade most, lately.

Sectors

No trade we could place in a sector.

Related people

Nobody else traded the same names lately.