Massivemarkets

SEC Form 4

ImmunityBio, Inc. (IBRX) insider trading

In the 12 months to Oct 26, 2026, 3 IBRX insiders reported open-market sales of $9.5M across 12 filings; no open-market purchases were filed.

Latest filing · Last 12 months · Source: SEC EDGAR · How we count

Open-market sales
$9.5M
12 filings · 3 insiders
Open-market purchases
$0
0 filings
Pre-arranged sales (10b5-1)
12 of 12
All $9.5M sold was pre-arranged

Who traded IBRX, and when

  • Sale
  • Sale, pre-arranged (10b5-1)

IBRX daily close from Oct 27, 2025 to Oct 26, 2026, between $1.98 and $11.55, last $7.78. 12 sale and 0 purchase filings by 3 insiders, marked at their filing dates. Barry J. Simon, Director: sold $4.4M across 6 filings, first filed Jan 21, 2026, last Oct 6, 2026. Christobel Selecky, Director: sold $3.0M across 4 filings, first filed Jan 21, 2026, last Jul 6, 2026. Cheryl Cohen, Director: sold $2.1M across 2 filings, first filed Jul 6, 2026, last Oct 6, 2026.

Largest mark · tap a row for others

Barry J. Simon · Director

Filing 1 of 2 within a week · $2,684,389 total

Sale $1,783,602

175,000 shares at $10.19 avg

Filed Feb 24, 2026 · traded Feb 20

Pre-arranged (10b5-1) · close on filing date $11.55

IBRX daily closelast $7.78

Barry J. Simon · Director

$4.4M sold

Christobel Selecky · Director

$3.0M sold

Cheryl Cohen · Director

$2.1M sold
One row per insider; marks sit at the SEC filing date, sized by dollar value.

Open-market trades

12 filings in the last 12 months
Other insider activity (not market trades) · 35 records
  • Option exercises23 records
  • Tax withholding11 records
  • Other1 record

Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.

How to read this page

Open-market purchase or sale
A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
Pre-arranged (10b5-1)
The insider marked the filing as made under a trading plan set up in advance (SEC Rule 10b5-1). The mark covers the whole filing, and an unmarked filing may still be under a plan.
Filing date
Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.

Frequently asked questions

Has ImmunityBio, Inc.'s CEO sold stock?

No. Richard Adcock (CEO) made no open-market sales filed as CEO in the last 12 months.

How current is IBRX’s insider data?

These are IBRX Form 4 filings from the last year, refreshed daily. The Massive Form 4 API has the full, continuously updated record.

What counts as an open-market buy or sell?

Only purchases and sales at the market price. Option exercises, grants, gifts, and shares withheld for taxes are reported on Form 4 but are left out of the buy and sell totals.

Build with AI

Track IBRX insider trades with your agent

This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:

Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for IBRX every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.

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Nothing on this page is investment advice. All data and content is provided for informational purposes under our Terms of Service.