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Who

Khing Djien Oei

Director

Company insider

Files Form 4 as: Director, Cypherpunk Technologies.

In numbers

Trades disclosed
17
Buys
0
Sells
1
Bought
$0
Sold
$1.3M
Companies
1
Companies where not an officer
1
First trade
11 Nov 2025
Last trade
25 Sep 2026
Last filed
25 Sep 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
CYPH Cypherpunk TechnologiesDirector · Biotechnology · last 25 Sep 20260 buys · 1 sell

Activity over time

1 Sep – 1 Oct
101 Sep1 Oct

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
25 Sep 2026filed 25 Sep 2026CYPH Cypherpunk TechnologiesBiotechnologySEC FORM 4 Sold$662K168,750 at $3.92filing
25 Sep 2026filed 25 Sep 2026CYPH Cypherpunk TechnologiesBiotechnologySEC FORM 4 Sold$662K168,750 at $3.92filing
1 Jul 2026filed 2 Jul 2026CYPH Cypherpunk Technologiesoption or derivative · BiotechnologySEC FORM 4 Code A—100,000 at $0.00filing
1 Jul 2026filed 2 Jul 2026CYPH Cypherpunk Technologiesoption or derivative · BiotechnologySEC FORM 4 Code A—100,000 at $0.00filing
13 Mar 2026filed 17 Mar 2026CYPH Cypherpunk TechnologiesBiotechnologySEC FORM 4 Code M—74,700filing
13 Mar 2026filed 17 Mar 2026CYPH Cypherpunk TechnologiesBiotechnologySEC FORM 4 Code M—94,050filing
13 Mar 2026filed 17 Mar 2026CYPH Cypherpunk Technologiesoption or derivative · BiotechnologySEC FORM 4 Code M—74,700 at $0.00filing
13 Mar 2026filed 17 Mar 2026CYPH Cypherpunk Technologiesoption or derivative · BiotechnologySEC FORM 4 Code M—74,700 at $0.00filing
13 Mar 2026filed 17 Mar 2026CYPH Cypherpunk Technologiesoption or derivative · BiotechnologySEC FORM 4 Code M—94,050 at $0.00filing
13 Mar 2026filed 17 Mar 2026CYPH Cypherpunk Technologiesoption or derivative · BiotechnologySEC FORM 4 Code M—94,050 at $0.00filing
13 Mar 2026filed 17 Mar 2026CYPH Cypherpunk TechnologiesBiotechnologySEC FORM 4 Code M—74,700filing
13 Mar 2026filed 17 Mar 2026CYPH Cypherpunk TechnologiesBiotechnologySEC FORM 4 Code M—94,050filing
23 Dec 2025filed 30 Dec 2025CYPH Cypherpunk Technologiesoption or derivative · BiotechnologySEC FORM 4 Code A—94,050 at $0.00filing
23 Dec 2025filed 30 Dec 2025CYPH Cypherpunk Technologiesoption or derivative · BiotechnologySEC FORM 4 Code D—2,411,700 at $0.00filing
23 Dec 2025filed 30 Dec 2025CYPH Cypherpunk Technologiesoption or derivative · BiotechnologySEC FORM 4 Code A—5,448,157 at $0.00filing
11 Nov 2025filed 13 Nov 2025CYPH Cypherpunk Technologiesoption or derivative · BiotechnologySEC FORM 4 Code A—74,700 at $0.00filing
11 Nov 2025filed 13 Nov 2025CYPH Cypherpunk Technologiesoption or derivative · BiotechnologySEC FORM 4 Code A—2,411,700 at $0.00filing

News

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

Sectors

Health Care1

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

Related people

Winklevoss Capital Fund, LLC10% owner · 10% owner at Cypherpunk Technologies, filing Form 4 there in the last year
William Patrick McEvoy IIIChief Investment Officer · Chief Investment Officer at Cypherpunk Technologies, filing Form 4 there in the last year
Patricia A. MartinDirector · Director at Cypherpunk Technologies, filing Form 4 there in the last year
Thomas John DietzDirector · Director at Cypherpunk Technologies, filing Form 4 there in the last year
Kevin ZhangHead of Mining · Head of Mining at Cypherpunk Technologies, filing Form 4 there in the last year