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Who

Martha J. Demski

Director

Company insider

Files Form 4 as: Director, Alpha Teknova; Director, Equillium; Director, Chimerix; Director, ADMA Biologics; Director, Adamas Pharmaceuticals; Director, Evofem Biosciences.

Every Form 4 they filed

In numbers

Trades disclosed
147
Buys
6
Sells
18
Bought
$161K
Sold
$982K
Companies
6
Companies where not an officer
6
First trade
20 Jun 2014
Last trade
14 Jul 2026
Last filed
16 Jul 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
TKNO Alpha TeknovaDirector · Diagnostics & Labs · last 14 Jul 20260 buys · 1 sell
EQ EquilliumDirector · Biotechnology · last 28 May 20260 buys · 0 sells
ChimerixDirector · last 21 Apr 20254 buys · 16 sells
ADMA ADMA BiologicsDirector · Biotechnology · last 6 Mar 20232 buys · 0 sells
Adamas PharmaceuticalsDirector · last 24 Nov 20210 buys · 1 sell
Evofem BiosciencesDirector · Biotechnology · last 20 Jun 20170 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
14 Jul 2026filed 16 Jul 2026TKNO Alpha TeknovaDiagnostics & LabsSEC FORM 4 Code J—12,000 at $0.00filing
14 Jul 2026filed 16 Jul 2026TKNO Alpha TeknovaDiagnostics & LabsSEC FORM 4 Code J—12,000 at $0.00filing
14 Jul 2026filed 16 Jul 2026TKNO Alpha TeknovaDiagnostics & LabsSEC FORM 4 Code J—12,000 at $0.00filing
14 Jul 2026filed 16 Jul 2026TKNO Alpha TeknovaDiagnostics & LabsSEC FORM 4 Code J—12,000 at $0.00filing
1 Jun 2026filed 2 Jun 2026TKNO Alpha Teknovaoption or derivative · Diagnostics & LabsSEC FORM 4 Code A—55,000 at $0.00filing
1 Jun 2026filed 2 Jun 2026TKNO Alpha Teknovaoption or derivative · Diagnostics & LabsSEC FORM 4 Code A—55,000 at $0.00filing
28 May 2026filed 29 May 2026EQ Equilliumoption or derivative · BiotechnologySEC FORM 4 Code A—70,000 at $0.00filing
28 May 2026filed 29 May 2026EQ Equilliumoption or derivative · BiotechnologySEC FORM 4 Code A—70,000 at $0.00filing
27 Jun 2025filed 1 Jul 2025TKNO Alpha TeknovaDiagnostics & LabsSEC FORM 4 Sold$40K8,000 at $5.06filing
17 Jun 2025filed 1 Jul 2025TKNO Alpha Teknovaoption or derivative · Diagnostics & LabsSEC FORM 4 Code A—54,300 at $0.00filing
17 Jun 2025filed 25 Jun 2025TKNO Alpha TeknovaDiagnostics & LabsSEC FORM 4 Code A—54,300 at $0.00filing
21 May 2025filed 23 May 2025EQ Equilliumoption or derivative · BiotechnologySEC FORM 4 Code A—20,000 at $0.00filing
21 Apr 2025filed 21 Apr 2025Chimerixoption or derivativeSEC FORM 4 Code D—9,000filing
21 Apr 2025filed 21 Apr 2025Chimerixoption or derivativeSEC FORM 4 Code D—9,000filing
21 Apr 2025filed 21 Apr 2025Chimerixoption or derivativeSEC FORM 4 Code D—21,000filing
21 Apr 2025filed 21 Apr 2025Chimerixoption or derivativeSEC FORM 4 Code D—21,000filing
21 Apr 2025filed 21 Apr 2025Chimerixoption or derivativeSEC FORM 4 Code D—21,000filing
21 Apr 2025filed 21 Apr 2025Chimerixoption or derivativeSEC FORM 4 Code D—35,000filing
21 Apr 2025filed 21 Apr 2025Chimerixoption or derivativeSEC FORM 4 Code D—35,000filing
21 Apr 2025filed 21 Apr 2025Chimerixoption or derivativeSEC FORM 4 Code D—50,000filing

Sectors

Health Care3
Not placed21

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

Related people

Stephen ConnellyPresident and CSO · President and CSO at Equillium, filing Form 4 there in the last year
Christine ZedelmayerSr. Vice President and COO · Sr. Vice President and COO at Equillium, filing Form 4 there in the last year
Brett RobertsonDirector · Director at Alpha Teknova, filing Form 4 there in the last year
Alexander VosDirector · Director at Alpha Teknova, filing Form 4 there in the last year
Charles Douglas McDermottDirector · Director at Equillium, filing Form 4 there in the last year
Donald J. TrumpPresident · Also traded ADMA in the last 90 days