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LYEL · Lyell Immunopharma, Inc.

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TEAM-2.62% 13F +440META+1.00% 13F +2,694RCG+0.35% CLUSTERUTHR-0.54% 13F +425CRWV+5.68% 13F +694CRM-1.97% 13F +1,019CVNA+1.58% 13F +795TPL-1.11% 13F +444NET-1.96% 13F +711MSTR-1.39% 13F +527DELL+1.50% 13F +1,204CRWD-0.87% 13F +1,383ANET+1.22% 13F +1,324COIN-4.18% 13F +475TEAM-2.62% 13F +440META+1.00% 13F +2,694RCG+0.35% CLUSTERUTHR-0.54% 13F +425CRWV+5.68% 13F +694CRM-1.97% 13F +1,019CVNA+1.58% 13F +795TPL-1.11% 13F +444NET-1.96% 13F +711MSTR-1.39% 13F +527DELL+1.50% 13F +1,204CRWD-0.87% 13F +1,383ANET+1.22% 13F +1,324COIN-4.18% 13F +475

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LYEL

Name: Lyell Immunopharma, Inc. (LYEL) insider trading and ownership data
Creator: WaveMan
License: https://wave-man.com/terms

Lyell Immunopharma, Inc.

PHARMA & BIOTECH · PHARMACEUTICAL PREPARATIONS · CIK 0001806952

SEC FILINGS☆ WATCH

INSIDER NET · 180D

-$245.5K

open-market buys minus sells, Form 4 codes P and S

INSIDER BUYERS · 180D

CONGRESS BUYERS · 1Y

FUNDS ADDED · QTR

13F, latest reported quarter

REVENUE GROWTH

-41.0%

XBRL, annual

NET MARGIN

SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST

INSIDERS

net -$245.5K over 180 days

-$229.9K over 90 days · -$274 of it by a 10%+ holder

more than 50% of Pharma & Biotech

CONGRESS

no member of Congress has reported trading it

FUNDS

51 funds added or opened last quarter

below 55% of Pharma & Biotech

REVENUE

-41.0% year over year

below 81% of Pharma & Biotech

MARGIN

no margin: this company reports no revenue to divide by

BUYBACKS

no share repurchases reported

SHORT

5.0% of shares outstanding short · 8.7 days to cover · settled 2026-07-31

more than 54% of Pharma & Biotech

THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET

Insiders are net sellers: -$245.5K across 6 people in 180 days.

51 funds added or opened positions in the latest 13F quarter, of 88 holders.

The year, with the filings on it

Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail

TOTAL 12M RETURN +25.9%

+25.9%12M

INSIDER BUYINSIDER SELL

INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY

Live price

Daily candles from TradingView, on their licence — no filings are marked on this one

WHY THIS NAME IS ON THE DESK

The complete filing record, in one place.

The record shows a net $245.5K sold by insiders over 180 days, 51 funds added last quarter. Every figure is a federal filing, dated the day it became public.

Backtest this pattern Open the screener

Same sector, ranked by filing activity

Sector from the SEC's own SIC classification

UTHR CPIX MRNA REGN LLY ALNY ELF CITR MDGL DNA VRTX NUVL

Insider transactions

Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, Lyell Immunopharma, Inc. insiders sold a net $245.5K of stock across 48 Form 4 purchases and sales, with 0 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-06.

INSIDER

FILED

VALUE

Lee Gary K.

Chief Scientific Officer

SELL

2026-08-21

1,457.0

$22.6K

Hill Stephen J.

Chief Operating Officer

SELL

2026-08-21

989.0

$15.4K

Seely Lynn

President and CEO

SELL

2026-08-21

9,589.0

$149.0K

Seely Lynn

President and CEO

SELL

2026-08-10

390.0

$5.6K

Hill Stephen J.

Chief Operating Officer

SELL

2026-08-10

89.0

$1.3K

48 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 43 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders

13F · holdings as of the latest quarter funds have reported

ARCH Venture Management, LLC

3,247,162.0 sh

$45.5M

GSK plc

1,512,659.0 sh

$21.3M

VANGUARD CAPITAL MANAGEMENT LLC

786,774.0 sh

$11.1M

Orland Properties Ltd

754,698.0 sh

$10.6M

BlackRock, Inc.

724,342.0 sh

$10.2M

SCHEDULE 13D/G

No 5%+ ownership filings

Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.

FORM 144

No planned-sale notices

No insider has notified an intent to sell. This is the panel to watch after a run-up.

Fund concentration

N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show

Ultra-Small Company Market Fund

$361.1K POSITION · AS OF 2026-03-31

0.3%

Invesco Dorsey Wright SmallCap Momentum ETF

$1.1M POSITION · AS OF 2026-02-28

0.3%

SIMT Tax-Managed Small/Mid Cap Fund

$425.7K POSITION · AS OF 2026-03-31

0.1%

Invesco Nasdaq Biotechnology ETF

$29.0K POSITION · AS OF 2026-02-28

0.0%

ProShares Ultra Nasdaq Biotechnology

$23.5K POSITION · AS OF 2026-02-28

0.0%

iShares Biotechnology ETF

$1.1M POSITION · AS OF 2026-03-31

0.0%

SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK

Clinical pipeline

ClinicalTrials.gov · 7 registered trials, 3 still enrolling or running — a status change here is dated weeks before the press release

Phase 1

0 ACTIVE

Phase 3

1 ACTIVE

Not applicable

0 ACTIVE

Multi-phase

2 ACTIVE

TRIALS MATCHED TO THIS TICKER BY SPONSOR NAME · STUDIES RUN UNDER A SUBSIDIARY'S OWN NAME ARE NOT INCLUDED

Fundamentals

Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all

	2025-12	2024-12	2023-12	2022-12
REVENUE	$36.0K	$61.0K	$130.0K	$84.7M
OPERATING INCOME	$-269.4M	$-358.8M	$-247.0M	$-187.1M
NET INCOME	$-274.4M	$-343.0M	$-234.6M	$-183.1M
EPS (DILUTED)	-16.06	-26.23	-18.70	-0.74
OPERATING CASH FLOW	$-150.0M	$-162.4M	$-163.7M	$-169.6M
CASH	$60.2M	$105.6M	$145.6M	$123.6M
BUYBACKS	—	—	—	$0

SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-06 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE