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Who

Penny Tom

Principal Accounting Officer

Company insider

Files Form 4 as: Principal Accounting Officer, Equillium.

In numbers

Trades disclosed
27
Buys
0
Sells
5
Bought
$0
Sold
$438K
Companies
1
Companies where not an officer
0
First trade
16 Sep 2024
Last trade
28 May 2026
Last filed
29 May 2026

Companies traded

Where they are an officer
EQ EquilliumOfficer · Biotechnology · last 28 May 20260 buys · 5 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
28 May 2026filed 29 May 2026EQ EquilliumBiotechnologySEC FORM 4 Code M$51K65,000 at $0.785filing
28 May 2026filed 29 May 2026EQ EquilliumBiotechnologySEC FORM 4 Sold$192K65,000 at $2.95filing
28 May 2026filed 29 May 2026EQ Equilliumoption or derivative · BiotechnologySEC FORM 4 Code M—65,000 at $0.00filing
28 May 2026filed 29 May 2026EQ Equilliumoption or derivative · BiotechnologySEC FORM 4 Code M—65,000 at $0.00filing
28 May 2026filed 29 May 2026EQ EquilliumBiotechnologySEC FORM 4 Code M$51K65,000 at $0.79filing
28 May 2026filed 29 May 2026EQ EquilliumBiotechnologySEC FORM 4 Sold$192K65,000 at $2.95filing
8 Jan 2026filed 9 Jan 2026EQ EquilliumBiotechnologySEC FORM 4 Sold$8,4286,533 at $1.29filing
8 Jan 2026filed 9 Jan 2026EQ EquilliumBiotechnologySEC FORM 4 Sold$8,4286,533 at $1.29filing
7 Jan 2026filed 9 Jan 2026EQ Equilliumoption or derivative · BiotechnologySEC FORM 4 Code A—450,000 at $0.00filing
7 Jan 2026filed 9 Jan 2026EQ Equilliumoption or derivative · BiotechnologySEC FORM 4 Code A—450,000 at $0.00filing
29 Aug 2025filed 3 Sep 2025EQ Equilliumoption or derivative · BiotechnologySEC FORM 4 Code A—525,000 at $0.00filing
14 Feb 2025filed 19 Feb 2025EQ Equilliumoption or derivative · BiotechnologySEC FORM 4 Code A—65,000filing
14 Feb 2025filed 19 Feb 2025EQ Equilliumoption or derivative · BiotechnologySEC FORM 4 Code D—65,000filing
14 Feb 2025filed 19 Feb 2025EQ Equilliumoption or derivative · BiotechnologySEC FORM 4 Code A—45,000filing
14 Feb 2025filed 19 Feb 2025EQ Equilliumoption or derivative · BiotechnologySEC FORM 4 Code D—45,000filing
14 Feb 2025filed 19 Feb 2025EQ Equilliumoption or derivative · BiotechnologySEC FORM 4 Code A—40,000filing
14 Feb 2025filed 19 Feb 2025EQ Equilliumoption or derivative · BiotechnologySEC FORM 4 Code D—40,000filing
14 Feb 2025filed 19 Feb 2025EQ Equilliumoption or derivative · BiotechnologySEC FORM 4 Code A—60,000filing
14 Feb 2025filed 19 Feb 2025EQ Equilliumoption or derivative · BiotechnologySEC FORM 4 Code D—60,000filing
14 Feb 2025filed 19 Feb 2025EQ Equilliumoption or derivative · BiotechnologySEC FORM 4 Code A—40,000filing

News

Leerink Partners Initiates Coverage on Equillium (NASDAQ:EQ)EQ · tickerreport.com · 14 Oct 2026

0 headlines in the last 90 days name Penny Tom; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Health Care5

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

Related people

Christine ZedelmayerSr. Vice President and COO · Sr. Vice President and COO at Equillium, filing Form 4 there in the last year
Stephen ConnellyPresident and CSO · President and CSO at Equillium, filing Form 4 there in the last year
Mark PruzanskiDirector · Director at Equillium, filing Form 4 there in the last year
Martha J. DemskiDirector · Director at Equillium, filing Form 4 there in the last year
Charles Douglas McDermottDirector · Director at Equillium, filing Form 4 there in the last year