Question 1

Who are the insiders buying Equillium, Inc. stock?

Accepted Answer

InsiderAct tracks all open-market purchases of Equillium, Inc. stock by corporate insiders — including officers, directors, and shareholders owning more than 10% — sourced from public SEC Form 4 filings.

Question 2

What does insider buying at a company mean?

Accepted Answer

When a corporate officer, director, or major shareholder purchases their own company's stock on the open market using personal funds, it signals confidence in the company's outlook. This is especially meaningful when multiple insiders buy within the same 7–14 day window (cluster buying) or when the purchase size exceeds $100,000.

Question 3

How do I find cluster buying signals for a company?

Accepted Answer

InsiderAct automatically detects cluster buying — two or more insiders independently purchasing shares within a 14-day window. When a cluster buy signal is active for a company, it appears prominently on the company's InsiderAct page and on the Signals tab.

Question 4

Has Equillium, Inc. had any recent large insider purchases?

Accepted Answer

InsiderAct tracks all open-market purchases of $100,000 or more at Equillium, Inc.. Large insider purchases are flagged as high-conviction signals because they represent meaningful personal capital commitments by executives or directors who have direct visibility into the company's operations and prospects.

Question 5

Where do the insider transactions on this page come from?

Accepted Answer

All transactions shown on InsiderAct company pages are sourced directly from SEC EDGAR Form 4 filings — the mandatory public disclosures that corporate insiders must submit within 2 business days of any stock transaction. InsiderAct ingests these filings in near real time and filters for open-market purchases and sales.


2026-06-05	2026-06-05	Zedelmayer Christine	COO	Exercise Conversion	14,584	$0.79	$11,448
2026-06-05	2026-06-05	Zedelmayer Christine	COO	Sale	14,584	$2.93	$42,731
2026-06-05	2026-06-05	Zedelmayer Christine	COO	Exercise Conversion	14,584	$0.79	$11,448
2026-06-05	2026-06-05	Connelly Stephen	CSO	Sale	30,975	$2.94	$91,067
2026-06-05	2026-06-04	Connelly Stephen	CSO	Sale	200,000	$3.16	$632,800
2026-05-29	2026-05-28	Demski Martha J	Director	Award	70,000	$2.84	$198,800
2026-05-29	2026-05-28	Pruzanski Mark	Director	Award	70,000	$2.84	$198,800
2026-05-29	2026-05-28	Bradbury Daniel	Chairman	Award	70,000	$2.84	$198,800
2026-05-29	2026-05-28	Mcdermott Charles Douglas	Director	Award	70,000	$2.84	$198,800
2026-05-29	2026-05-28	Troupin Barbara	Director	Award	70,000	$2.84	$198,800

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