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Who

James Huang

Director

Company insider

Files Form 4 as: Director, Connect Biopharma Holdings; Director and 10% owner, Atara Biotherapeutics; Director, Alaunos Therapeutics; Director and 10% owner, Windtree Therapeutics; Director, CASI Pharmaceuticals.

In numbers

Trades disclosed
70
Buys
30
Sells
1
Bought
$18.1M
Sold
$489K
Companies
5
Companies where not an officer
5
First trade
30 May 2013
Last trade
29 May 2026
Last filed
2 Jun 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
CNTB Connect Biopharma HoldingsDirector · Biotechnology · last 29 May 20262 buys · 0 sells
ATRA Atara BiotherapeuticsDirector, 10% owner · Biotechnology · last 12 Jan 20261 buy · 1 sell
TCRT Alaunos TherapeuticsDirector · Biotechnology · last 6 Jun 20231 buy · 0 sells
Windtree TherapeuticsDirector, 10% owner · Biotechnology · last 22 Feb 202315 buys · 0 sells
CASI PharmaceuticalsDirector · last 8 Sep 202211 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
29 May 2026filed 2 Jun 2026CNTB Connect Biopharma HoldingsBiotechnologySEC FORM 4 Bought$372K150,000 at $2.48filing
29 May 2026filed 2 Jun 2026CNTB Connect Biopharma HoldingsBiotechnologySEC FORM 4 Bought$372K150,000 at $2.48filing
31 Mar 2026filed 1 Apr 2026CNTB Connect Biopharma HoldingsBiotechnologySEC FORM 4 Bought$4.0M1,160,000 at $3.45filing
31 Mar 2026filed 1 Apr 2026CNTB Connect Biopharma HoldingsBiotechnologySEC FORM 4 Bought$4.0M1,160,000 at $3.45filing
12 Jan 2026filed 14 Jan 2026ATRA Atara BiotherapeuticsBiotechnologySEC FORM 4 Sold$489K80,554 at $6.07filing
17 Jul 2025filed 21 Jul 2025ATRA Atara BiotherapeuticsBiotechnologySEC FORM 4 Bought$186K19,335 at $9.64filing
6 Jun 2023filed 8 Jun 2023TCRT Alaunos Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—100,000 at $0.00filing
22 Feb 2023filed 23 Feb 2023Windtree Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—275,862 at $0.00filing
22 Feb 2023filed 23 Feb 2023Windtree Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—275,938 at $0.00filing
22 Feb 2023filed 23 Feb 2023Windtree Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—498,008 at $0.00filing
22 Feb 2023filed 23 Feb 2023Windtree Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code D—62,500 at $0.00filing
22 Feb 2023filed 23 Feb 2023Windtree Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—1,112,308 at $0.00filing
22 Feb 2023filed 23 Feb 2023Windtree Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code X—1,112,308 at $0.00filing
22 Feb 2023filed 23 Feb 2023Windtree Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—2,224,616 at $0.00filing
22 Feb 2023filed 23 Feb 2023Windtree TherapeuticsBiotechnologySEC FORM 4 Code X$156K1,112,308 at $0.14filing
8 Sep 2022filed 8 Sep 2022CASI PharmaceuticalsSEC FORM 4 Bought$143K33,300 at $4.28filing
7 Sep 2022filed 8 Sep 2022CASI PharmaceuticalsSEC FORM 4 Bought$12K3,111 at $4.00filing
6 Sep 2022filed 8 Sep 2022CASI PharmaceuticalsSEC FORM 4 Bought$75K19,162 at $3.89filing
2 Sep 2022filed 2 Sep 2022CASI PharmaceuticalsSEC FORM 4 Bought$1,496400 at $3.74filing
1 Sep 2022filed 2 Sep 2022CASI PharmaceuticalsSEC FORM 4 Bought$44K11,821 at $3.72filing

Sectors

Health Care20
Not placed11

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

Related people

Kleanthis Gabriel XanthopoulosDirector · Director at Connect Biopharma Holdings, filing Form 4 there in the last year
Jean I. LiuDirector · Director at Connect Biopharma Holdings, filing Form 4 there in the last year
Brian N. CherryDirector · Director at Atara Biotherapeutics, filing Form 4 there in the last year
AnhCo NguyenPresident and CEO · President and CEO at Atara Biotherapeutics, filing Form 4 there in the last year
Redmile Group, LLC10% owner · Director at Atara Biotherapeutics, filing Form 4 there in the last year