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EQ

Equillium (EQ) stock: insider trades, news & valuation

Heavy selling
Close · Oct 9, 2026 $1.41 -2.1% on the day -2.1% over 12 months 52-week range $0.84 – $3.20

Share price and insider trades

EQ closeInsider buyInsider sale
01234NovDecJan 2026FebMarAprMayJunJulAugSepOctSold $7,696 on 2025-11-25 · Christine ZedelmayerSold $8,428 on 2026-01-08 · Penny TomSold $15,589 on 2025-12-15 · Christine ZedelmayerSold $26,517 on 2026-05-27 · Christine ZedelmayerSold $31,897 on 2025-12-12 · Christine ZedelmayerSold $133,798 on 2026-06-05 · Christine Zedelmayer, Stephen ConnellySold $150,000 on 2025-12-23 · Christine ZedelmayerSold $300,780 on 2026-03-13 · Christine ZedelmayerSold $362,438 on 2026-03-09 · Christine ZedelmayerSold $432,443 on 2026-05-28 · Christine Zedelmayer, Penny TomSold $632,000 on 2026-06-04 · Stephen ConnellySold $655,811 on 2026-02-19 · Christine Zedelmayer
Bought, 12 months$0
Sold, 12 months$2.8M
Insiders buying0
Insiders selling3

Equillium insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 3 sold $2.8M of EQ stock on the open market.

EQ insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q4 2025: $205K sold (5 trades)Q4 2025Q1 2026: $1.3M sold (7 trades)Q1 2026Q2 2026: $1.2M sold (8 trades)Q2 2026Q3 2026Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0—0
Q3 2026—0—0
Q2 2026—0$1.2M8
Q1 2026—0$1.3M7
Q4 2025—0$205K5

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day0.9×Last 5 sessions
Insiders' paper profit—On all tracked purchases —

Summary

Over the past 12 months, 0 Equillium, Inc. insiders reported open-market purchases totaling $0, while 3 insiders reported sales totaling $2.8M. 18 of 20 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Jun 5SEC Stephen ConnellyPresident Sell 200,000793,000 held (−20%) $3.16 $632K -55.4% —
Jun 5SEC Stephen ConnellyPresident Sell 30,975762,025 held (−4%) $2.94 $91K -52.0% —
Jun 5SEC Christine ZedelmayerCOO, President Sell Plan 14,58462,586 held (−19%) $2.93 $43K -51.9% —
May 29SEC Penny TomPrincipal Accounting Officer Sell Plan 65,000 $2.95 $192K -52.2% —
May 29SEC Christine ZedelmayerCOO, President Sell Plan 55,60462,786 held (−47%) $2.70 $150K -47.8% —
May 29SEC Christine ZedelmayerCOO, President Sell Plan 30,20862,586 held (−33%) $2.98 $90K -52.7% —
May 29SEC Christine ZedelmayerCOO, President Sell Plan 9,82162,586 held (−14%) $2.70 $27K -47.8% —
May 29SEC Christine ZedelmayerCOO, President Sell Plan 20062,586 held (−0%) $2.71 $542 -48.0% —
Mar 16SEC Christine ZedelmayerCOO, President Sell Plan 120,31262,586 held (−66%) $2.50 $301K -43.6% —
Mar 11SEC Christine ZedelmayerCOO, President Sell Plan 181,21962,586 held (−74%) $2.00 $362K -29.5% —
Mar 11SEC Christine ZedelmayerCOO, President Sell Plan 109,37591,444 held (−54%) $1.78 $195K -20.8% —
Mar 11SEC Christine ZedelmayerCOO, President Sell Plan 76,56291,444 held (−46%) $1.74 $133K -19.0% —
Feb 23SEC Christine ZedelmayerCOO, President Sell Plan 109,375191,444 held (−36%) $1.78 $195K -20.8% —
Feb 23SEC Christine ZedelmayerCOO, President Sell Plan 76,562191,444 held (−29%) $1.74 $133K -19.0% —
Jan 9SEC Penny TomPrincipal Accounting Officer Sell Plan 6,533 $1.29 $8K +9.3% —
Dec 23SEC Christine ZedelmayerCOO, President Sell Plan 100,00091,444 held (−52%) $1.50 $150K -6.0% —
Dec 15SEC Christine ZedelmayerCOO, President Sell Plan 23,804103,344 held (−19%) $1.34 $32K +5.2% —
Dec 15SEC Christine ZedelmayerCOO, President Sell Plan 11,90091,444 held (−12%) $1.31 $16K +7.6% —
Nov 25SEC Christine ZedelmayerCOO, President Sell Plan 7,998127,148 held (−6%) $0.95 $8K +48.4% —
Nov 25SEC Christine ZedelmayerCOO, President Sell Plan 100135,146 held (−0%) $0.98 $98 +43.9% —

Insiders at Equillium, Inc.

InsiderBoughtSoldLast filingScore
Christine ZedelmayerCOO, President — $1.8M Jun 5, 2026 —
Stephen ConnellyPresident — $723K Jun 5, 2026 —
Penny TomPrincipal Accounting Officer — $200K May 29, 2026 —

EQ stock: common questions

Are Equillium, Inc. insiders buying EQ stock?

In the past 12 months, 0 insiders reported open-market purchases of EQ worth $0.

Are Equillium, Inc. insiders selling EQ stock?

3 insiders reported sales worth $2.8M over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is EQ's 52-week range?

Over the past year EQ has traded between $0.84 and $3.20. It last closed at $1.41 on Oct 9, 2026.