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LONA

LeonaBio, Inc.
LAST CLOSE… Biological Products, (No Diagnostic Substances) SHARES -75.9% · 12M CASH ~5 MO
80
SEVERE
RISK INDEX
RED FLAGS 66 RUNWAY 14 = 80/100. WHY THIS NUMBER, PIECE BY PIECE.

THE READ 30 red-flag mentions across this year's filings, led by dilution and reverse stock split, and 79 since 2001, so this is a long-running pattern; share count shrank 76% over the past year (shrinking, not printing); only about 5 months of cash at the current burn rate.

FLAGS DILUTION CASH WHAT CHANGED VERDICT INSIDERS OUTSIDE RECORDS
01

Red Flags

2025-08-28 → 2026-08-28

We read every document this company filed with the SEC this year and counted the classic danger phrases. Where wording can be misleading, we open the actual documents and separate real warnings from accounting boilerplate. Each hit links to the exact document.

Dilution (at the market offering) AT LEAST 8 REAL WARNINGS · 6 matching docS this year · 20 ALL TIME

An ATM lets the company print and sell new shares into the market any day it wants. Every print dilutes your slice.

EVIDENCE: [1] 10-Q FILED 2026-08-14 · [2] 10-Q FILED 2026-05-07 · [3] 8-K FILED 2025-12-18 · [4] 8-K/A FILED 2025-12-18 · [5] 10-Q FILED 2025-11-06

Reverse stock split AT LEAST 19 REAL WARNINGS · 28 matching docS this year · 49 ALL TIME

A reverse split shrinks the share count to lift the price above $1. Repeat reverse splits are the classic death-spiral signature.

EVIDENCE: [1] 8-K FILED 2025-09-11 · [2] 8-K FILED 2025-09-11 · [3] 8-K FILED 2025-09-11 · [4] 8-K FILED 2025-11-06 · [5] 10-Q FILED 2025-11-06

Going concern doubt 3 REAL WARNINGS · 1 matching doc this year · 5 ALL TIME

Auditors flagged substantial doubt the company survives the next 12 months without new money.

EVIDENCE: [1] 10-Q FILED 2026-08-14

Delisting / exchange risk 0 REAL WARNINGS · 1 matching doc this year · 5 ALL TIME

The exchange has threatened to kick the stock off. Delisting pressure usually ends in a reverse split or a fire-sale raise.

EVIDENCE: [1] 10-K FILED 2026-03-31

SOURCE: FULL-TEXT SEARCH OF THE COMPANY'S OFFICIAL SEC FILINGS. "REAL WARNINGS" = WE OPENED THE LINKED DOCUMENTS AND FILTERED PHRASES WRAPPED IN NEGATIONS, RESOLUTION LANGUAGE OR STANDARD CONTRACT TERMS. "AT LEAST" = MORE DOCUMENTS CARRY THE PHRASE THIS YEAR THAN WE COULD OPEN AND READ.

02

The Printing Press

How many shares exist, over time, exactly as the company reported in its own filings. In microcaps, a rising share count is how holders pay for everything: salaries, debts, and bad deals. Sudden collapses in the line are reverse splits, marked below.

32,485,184 shares · 2020-11-09 9,421,663 shares · 2026-08-04 LAST 12M: -75.9% AVG/YEAR SINCE 2020: -19.4% ◉ REVERSE-SPLIT-STYLE COLLAPSE × 1

SOURCE: THE COMPANY'S OWN REPORTED SHARE COUNTS ACROSS 23 FILINGS, STRAIGHT FROM SEC RECORDS

CHECKING OFFICIAL SPLIT RECORDS…

What this means for YOUR shares

Type how many shares you hold. The math is plain division on the company's own reported counts.

03

Cash Countdown

Cash in the bank against how fast the company burns it. When this hits zero, the next stop is usually a desperate raise at bad terms, and existing holders pay through dilution.

~5 MONTHS OF CASH AT THE CURRENT BURNBAR = SHARE OF A 24-MONTH WINDOW
5 MO
EST RUNWAY
cash ÷ monthly burn
$6.40M
MONTHLY BURN
operating cash deficit
$32.32M
CASH ON HAND
latest reported quarter
-1.6%
CASH CHANGE QoQ
latest two reported quarters
2024·92024·122025·32025·62025·92025·122026·32026·6
CASH OVER TIME, LAST 8 REPORTED QUARTERS $68.86M → $32.32M TREND: -53.1%

RUNWAY = CASH ON HAND ÷ MONTHLY CASH BURN. SIMPLE ARITHMETIC ON THE COMPANY'S OWN REPORTED NUMBERS, NOT A PROJECTION.

04

What the Newest Filing Changed

The latest filings, translated into holder impact. Every number cites its form, date and SEC link.

Shares outstanding +0.3%

Shares outstanding rose 9.39M to 9.42M (+0.3%) between 10-Q 2026-05-05 and 10-Q 2026-08-04.

NOW: 9,421,663 as of 2026-08-04 (10-Q, filed 2026-08-14)

WAS: 9,393,514 as of 2026-05-05 (10-Q, filed 2026-05-07)

Cash and equivalents -1.6%

Cash and equivalents fell $32.83M to $32.32M (-$510K, -1.6%) between 10-Q 2026-03-31 and 10-Q 2026-06-30.

NOW: $32.32M as of 2026-06-30 (10-Q, filed 2026-08-14)

WAS: $32.83M as of 2026-03-31 (10-Q, filed 2026-05-07)

Total assets -20.5%

Total assets fell to $56.89M (from $71.59M, -20.5%) between 10-Q 2026-03-31 and 10-Q 2026-06-30.

NOW: $56.89M as of 2026-06-30 (10-Q, filed 2026-08-14)

WAS: $71.59M as of 2026-03-31 (10-Q, filed 2026-05-07)

Total liabilities +4.5%

Total liabilities rose to $23.30M (from $22.29M, +4.5%) between 10-Q 2026-03-31 and 10-Q 2026-06-30.

NOW: $23.30M as of 2026-06-30 (10-Q, filed 2026-08-14)

WAS: $22.29M as of 2026-03-31 (10-Q, filed 2026-05-07)

Revenue

Revenue: nothing to compare. This company's filings do not publish us-gaap:Revenues, so no honest change can be computed.

Cash burn / runway

Monthly operating cash deficit ~$6.40M ($-37.86M over the period ended 2026-06-30 in 10-Q). Against $32.32M cash is roughly 0.4 years of runway (5 months).

NOW: $-37.86M as of 2026-06-30 (10-Q, filed 2026-08-14)

!

Critical 8-K Ledger

OFFICIAL NOTICES · 24 MO

When something material happens, the company itself must announce it in an 8-K under the SEC's numbered item system. These are those announcements, newest first: bankruptcy papers, exchange delisting warnings, auditor changes, financials pulled back. Read straight from the SEC filing index, no interpretation layer.

2026-03-19 ITEM 5.02 · OFFICER / DIRECTOR EXIT FILING ↗
2026-01-09 ITEM 5.02 · OFFICER / DIRECTOR EXIT FILING ↗
2025-12-18 ITEM 3.02 · UNREGISTERED SHARE SALE FILING ↗
2025-12-18 ITEM 3.02 · UNREGISTERED SHARE SALE FILING ↗
2025-09-11 ITEM 3.03 · HOLDER RIGHTS MODIFIED FILING ↗
2025-04-16 ITEM 3.01 · DELISTING / EXCHANGE NOTICE FILING ↗
2024-10-18 ITEM 3.01 · DELISTING / EXCHANGE NOTICE FILING ↗
2024-10-07 ITEM 5.02 · OFFICER / DIRECTOR EXIT FILING ↗
2024-09-17 ITEM 5.02 · OFFICER / DIRECTOR EXIT FILING ↗

SOURCE: THE ITEM NUMBERS THE COMPANY ITSELF PUT ON EACH 8-K IN THE SEC'S FILING INDEX. HOVER A STAMP FOR WHAT THAT ITEM MEANS FOR YOUR SHARES. OFFICIAL NOTICES INSIDE THE LAST 12 MONTHS ALSO FEED THE RISK INDEX ABOVE (CAPPED AT 15 POINTS).

!

Breaking Filing

8-K · 2026-08-26

An 8-K is the "something happened right now" filing. Here is what this one says, in the company's own words.

Item 8.01

On August 26, 2026, LeonaBio, Inc. (the “Company”) announced that it had enrolled the 500th subject in its ongoing Phase 3 ELAINE-3 clinical trial (NCT05696626) for lasofoxifene in combination with abemaciclib, a CDK4/6 inhibitor, as a targeted therapy for estrogen receptor-positive (ER+), HER2-negative, ESR1-mutated metastatic breast cancer, following progression on aromatase inhibitors and CDK4/6 inhibitors (the “ELAINE-3 Trial”). In connection with the private placement financing that the Company completed in December 2025 (the “December 2025 Private Placement”), the Company issued warrants...

READ THE ORIGINAL FILING

05

The Verdict

AVOID · HIGH CONFIDENCE

A rules-based reading of the cited filing facts: a range with reasons, never a prediction.

AVOID
SCREENING VERDICT
HIGH confidence
$1.78-$3.57
FAIR VALUE BRACKET
book equity of $3.57/share at 0.5-1.0x
$7.89
LAST CLOSE
non-realtime

HOW THE BRACKET IS BUILT: BOOK EQUITY OF $3.57/SHARE AT 0.5-1.0X · MULTIPLES STRIPPED: UNDER A YEAR OF CASH AT THE CURRENT BURN, SO THE BRACKET CAPS AT WIND-DOWN CASH · CASH FLOOR: $3.43/SHARE IN A WIND-DOWN.

BASIS FOR

+1

Share count is stable-ish (+0.3% change between the last two reported quarters).

+2

Fair-value range anchored to cited facts: $1.78 to $3.57 per share.

AGAINST

−1

Cash of $32,323,000 funds under half a year of operating burn, a hard going-concern pressure without fresh capital.

−2

The filings do not publish comparable revenue figures for two consecutive periods, so the revenue trend could not be measured.

−3

Verified going-concern warnings in a recent filing: auditors or management flagged substantial doubt about continuing (document text checked, boilerplate excluded).

METHOD: DETERMINISTIC RULES OVER CITED SEC FILING FACTS: SHARE-COUNT CHANGE BETWEEN THE LAST TWO REPORTED QUARTERS (DILUTION), CASH-TO-BURN RUNWAY FROM THE MOST RECENT OPERATING CASH FLOW, PERIOD-OVER-PERIOD REVENUE GROWTH, AND A FAIR-VALUE RANGE ANCHORED TO CASH PER SHARE VS PRICE. THRESHOLDS ARE TUNABLE IN APP/VERDICT_ENGINE.PY. NOT A PREDICTION.

06

Insider Paper Trail

GRANTS ONLY

Every time an officer, director or big owner trades shares, the law makes them file a Form 4 within two business days. We read the actual filings: who traded, what kind of trade, how big, at what price.

0
OPEN-MARKET BUYS
nobody is buying with their own cash
0
OPEN-MARKET SELLS
no open-market selling
10
GRANTS / AWARDS
202,999 new shares/options handed out: future dilution
DATEWHOACTION
2026-06-23 PERCEPTIVE ADVISORS LLC GRANT/AWARD 28,000 OPTIONS/DERIVATIVE
2026-06-23 Callori Fred GRANT/AWARD 2,333 OPTIONS/DERIVATIVE
2026-06-23 Holles Natalie C. GRANT/AWARD 2,333 OPTIONS/DERIVATIVE
2026-06-23 Silverman Peter B. GRANT/AWARD 2,333 OPTIONS/DERIVATIVE
2026-06-23 Panzara Michael A. GRANT/AWARD 28,000 OPTIONS/DERIVATIVE
2026-06-23 Romano Kelly A GRANT/AWARD 28,000 OPTIONS/DERIVATIVE
2026-06-23 EDELMAN JOSEPH GRANT/AWARD 28,000 OPTIONS/DERIVATIVE
2026-06-23 JOHNSON JAMES A GRANT/AWARD 28,000 OPTIONS/DERIVATIVE
2026-06-23 Kosacz Barbara GRANT/AWARD 28,000 OPTIONS/DERIVATIVE
2026-04-09 PERCEPTIVE ADVISORS LLC GRANT/AWARD 28,000 OPTIONS/DERIVATIVE

NO OPEN-MARKET BUYS OR SELLS: JUST COMPENSATION PAPER. WATCH WHETHER THE GRANTS TURN INTO SALES ONCE THEY VEST. "10B5-1 PLAN" MEANS THE TRADE WAS SCHEDULED UNDER A PRE-SET TRADING PLAN, DISCLOSED IN THE FILING'S OWN FOOTNOTES: PRE-PLANNED SALES CARRY LESS SIGNAL THAN SPUR-OF-THE-MOMENT ONES. SOURCE: FORM 4 FILINGS, PARSED FROM THE SEC'S OWN XML, LAST 10 FILINGS.

07

Filing Timeline

The company's most recent SEC paperwork, newest first.

8-K 2026-08-26 0001193125-26-368288
SCHEDULE 13D/A 2026-08-25 0001193125-26-365096
SCHEDULE 13G/A 2026-08-20 0001636587-26-000069
10-Q 2026-08-14 0001193125-26-352243
8-K 2026-08-14 0001193125-26-352208
4 2026-07-10 0001193125-26-300876

SOURCE: THE COMPANY'S SEC FILING INDEX

08

Outside the Filings

Public records that most investors never check, cross-checked against what the company claims. This is where shells slip up.

dfinsolutions.com
WEB ADDRESS ON RECORD
registered 2018-05-03 · via MarkMonitor Inc.
8.3 YRS OLD
DOMAIN AGE
old and consistent with an operating company: a good sign
2
OFFICIAL OFFERING DOCS · 12M
last one 2026-04-02: shares were actually sold to the market
4
SHELF REGISTRATIONS · 12M
paperwork filed to allow future share sales: future dilution waiting
0
BIG-OWNER TAKEOVER FILINGS · 12M
no outside investor has crossed the 5% disclosure line this year
PUBLIC FLOAT
shares actually tradable, vs held by insiders and big owners
SOLD SHORT
FINRA short interest: how many shares are bets against this company, and how many days of trading it would take to cover
CLEAR
US SANCTIONS SCREEN
company name checked against the official US sanctions list (19290 entries)
LEGAL IDENTITY (LEI)
every company that trades securities must carry a global legal identifier: status, parent chain and subsidiaries from the official registry
INSTITUTIONAL HOLDERS · 13F
quarterly institutional holdings filings scanned for this exact company name: which funds still report holding shares, from their own filings
SITE HISTORY
how long the company's website has been around, per the public web archive
CERT RECORD
public certificate logs date the company's web infrastructure: old and boring is good, brand-new is a tell
REGISTRANT HISTORY
old snapshots of public WHOIS pages: has the registered owner of this address changed hands
HOSTING + MAIL RECORDS
public DNS records: where the address is pointed and whether it can even receive mail

SOURCES: PUBLIC DOMAIN REGISTRATION RECORDS (FOUND IN THE COMPANY'S OWN FILING SIGNATURES) · THE COMPANY'S SEC FILING INDEX · OFFICIAL US SANCTIONS LIST · QUARTERLY 13F FILINGS VIA EDGAR FULL-TEXT SEARCH · LEGAL-IDENTITY, SITE-HISTORY, CERTIFICATE, REGISTRANT-HISTORY AND DNS SLOTS STREAM IN FROM FREE PUBLIC REGISTRIES WITHOUT BLOCKING THIS PAGE.

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09

Company Record

Legal nameLeonaBio, Inc.
Fiscal year end1231
HQ18706 NORTH CREEK PARKWAY, SUITE 104, BOTHELL, WA
Last periodic report2026-08-14 (10-Q, 14d ago)
Shares outstanding9,421,663 as of 2026-08-04 (10-Q)

SOURCE: THE COMPANY'S SEC FILING INDEX

Next time LONA files something scary, know within minutes.

One Telegram message per material filing: dilution, going concern, delisting, insider dumps. No account, no email. Every line cites its SEC source. Leave anytime with /unwatch.

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