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Research & education only — not financial advice.TENK is not a registered investment adviser; calls are impersonal, generated from SEC filings and a delayed/third-party price feed, and may be wrong or out of date. The operator and an affiliated trading operation may hold or trade the securities TENK rates — see Disclosures. Do your own research.

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TTENK/calls
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Home›Stocks›REFR
REFR logo

REFR

RESEARCH FRONTIERS INC

Next earnings Aug 5, 2026

Avoid
$0.55
▼ -0.58%
$0.55▼ -66.82%
over 1Y
L $0.48H $2.36
Earnings Dividend Split Congress buy Congress sellGrouped by date · hover a pin to expand
Today-0.6%
1W-11.7%
1M-28.0%
3M-41.1%
YTD-57.2%
1Y-66.8%
OverviewFinancialsValuationQualityTimelineFilings
Rating
Avoid
Quality
F
Valuation
Fair value
Filings
Flagged
Avoid
Conviction
Horizon
Long (>12mo)
Street · 7 analysts
Buy

Decades-unprofitable SPD licensor with $664K cash against $1.33M annual burn — priced at 16.9x shrinking revenue; not investable.

Revenue $1.12M · FY2025

Research Frontiers is a single-technology IP licensor (SPD-SmartGlass) that has never turned its patents into a durable business. FY2025 revenue fell 16% to $1.12M while the net loss widened 56% to -$2.05M, and the five-year history shows revenue oscillating between $540K and $1.34M with a loss every single year — the accumulated deficit now stands at -$128M. This is not a growth story hitting a rough patch; it is a structurally unprofitable royalty shell whose fortunes hinge, by management's own admission, on 'several licensees participating in the automotive market' over which it has no control. Operating margin of -190% and ROE of -219% are not fixable through cost cuts when R&D is already down to $609K.

The balance sheet is the disqualifying fact. Cash fell 67% to just $664K while operating cash flow was -$1.33M — roughly six months of runway at the current burn. Stockholders' equity collapsed 64% to $934K and total assets shrank 44%. With shares already creeping up 3% year-over-year, the near-certain path is dilutive equity raises at a $0.55 stock, or a going-concern outcome. The MD&A itself flags that minimum-royalty and prepaid structures mean 'reported revenues in a particular period may not directly correspond to underlying product sales volumes,' i.e. even the thin revenue line is lumpy and low-visibility.

Is REFR a buy? The one-page verdict, explained →

The options angle

model · matches our verdict
Bear put spread (caution)~90d expiry
  • Long put 0.5 @ ~0.07 est
  • Short put 0.5 @ ~0.07 est
debit $0max +$0max $0

AVOID means we wouldn't engage at all — if expressing the short side anyway, only with capped risk.

Open in the calculator →

Educational template, not a trade recommendation. Strikes and premiums are Black-Scholes model estimates from the last close and 30-day realized volatility — real chains, spreads and IV will differ. Options involve substantial risk.

Financials · annual, by fiscal year

Line itemFY21FY22FY23FY24FY25
Revenue$1.26M$540K$910K$1.34M$1.12M
Gross profit—————
Operating income-$1.84M-$2.63M-$2.03M-$1.44M-$2.13M
Net income-$1.85M-$2.67M-$1.91M-$1.31M-$2.05M
Diluted EPS—-$0.08-$0.06-$0.04-$0.06
Net margin-146.2%-494.6%-209.8%-98.2%-182.4%

10-year statements — income, cash flow, balance sheet & CSV export →

Annual figures from SEC 10-K XBRL filings. Open the filing links below for full statement detail.

Key statistics

Valuation

Enterprise value$18.4M
EV / EBITDA—
EV / Sales16.4
EV / FCF—
P / FCF—
PEG (trailing)—
Earnings yield-10.7%
FCF yield-7.0%

Quality & risk

ROIC (est.)-180.4%
Free cash flow-$1.33M
Total debt—
Net cash$664K
Altman Z-Score-72.83 distress
Piotroski F-Score2/7

Capital returns

Buyback yield—
Dividend yield (est.)—
Shareholder yield—
Shares Δ YoY+3.0%

Computed from SEC XBRL annual figures + the current quote. EV and ROIC use long-term + current debt where filed; estimates, not investment advice.

Disclosure timeline

SEC · 8-Ks + reports
Recent disclosure tone has skewed negative — read the flagged items.
  1. 8-K Shareholder vote2026-06-12

    Annual meeting vote results filed; board slate elected, no material surprises

  2. 8-K Delisting notice2026-06-05

    Received continued-listing deficiency/delisting notice — reinforces going-concern risk

  3. 10-Q Quarterly report2026-05-08

    Q1'26: losses continued and cash kept eroding off a $664K year-end base

  4. DEF 14A Proxy statement2026-04-30

    Proxy for 2026 annual meeting; routine director/auditor/comp items

  5. 10-K/A Restated periodic report2026-03-19

    FY2025 10-K amendment (Part III/exhibits); no new financial disclosures

  6. 10-K Annual report2026-03-05

    FY2025: revenue -16% to $1.12M, loss widened 56%, cash -67%, equity -64%

  7. 8-K Material agreement2026-02-18

    Entered a new material definitive agreement (license/financing) amid tight cash

  8. 10-Q Quarterly report2025-11-06

    Q3'25: royalty income soft, ongoing operating losses and cash burn

  9. 8-K Officer / director change2025-09-15

    Officer/director change disclosed under Item 5.02

Recent filings

all on EDGAR ↗
8-KPeriod ending 2026-06-112026-06-12open ↗8-KPeriod ending 2026-06-022026-06-05open ↗10-QPeriod ending 2026-03-312026-05-08open ↗DEF 14APeriod ending 2026-04-302026-04-30open ↗10-K/APeriod ending 2025-12-312026-03-19open ↗10-KPeriod ending 2025-12-312026-03-05open ↗8-KPeriod ending 2026-02-182026-02-18open ↗4Period ending 2025-12-312026-01-05open ↗4Period ending 2025-12-312026-01-05open ↗4Period ending 2025-12-312026-01-05open ↗10-QPeriod ending 2025-09-302025-11-06open ↗SCHEDULE 13GFiling2025-10-17open ↗

Quality score

F
ValueGrowthProfitHealthMom.
ValueF
GrowthF
ProfitabilityF
Financial healthC+
MomentumF
  • ✗Revenue growing year-over-year
  • ✗Profitable (positive net income)
  • ✗Net margin above 10%
  • ✗Return on equity above 15%
  • ✓Liabilities below 2× equity
0.4852-week2.36
Revenue
$1.12M
-16.0% YoY
Net margin
-182.4%
ROE
-219.1%
P/E
—

SEC fundamentals · FY 2025

'21'22'23'24'25

■ revenue · ■ net income, by fiscal year

Revenue$1.12M-16.0%
Net income-$2.05M-56.0%
Operating income-$2.13M-47.9%
Diluted EPS-$0.06-50.0%
Cash & equivalents$664K-66.7%
Total assets$2.25M-44.3%
Total liabilities$1.32M-8.2%
Stockholders' equity$934K-64.2%
Op.: -190.2%L/E: 1.41x

Frequently asked

Is RESEARCH FRONTIERS INC (REFR) a buy?
REFR currently carries a Avoid rating with 5/5 conviction, derived from its latest SEC filings. Decades-unprofitable SPD licensor with $664K cash against $1.33M annual burn — priced at 16.9x shrinking revenue; not investable.
What is RESEARCH FRONTIERS INC's quality score?
REFR scores 27.973166220104137/100 (grade F) on a SEC-grounded quality model spanning value, growth, profitability, financial health and momentum.

Sources: SEC EDGAR (CIK 0000793524, latest 10-Q filed 2026-05-08) · EODHD · Proprietary analysis · as of 7/4/2026, 4:55:36 AM.

›About this recommendation — produced by TENK/calls (tenkcalls.com), Luxembourg · not investment advice

AI-generated analysis, produced by our proprietary engine from SEC filing data.

Investment recommendation produced by TENK/calls (tenkcalls.com), Luxembourg. Completed Jul 4, 2026, 12:55 AM ET. Ratings & methodology: definitions · All recommendations to date: track record · Conflicts: disclosures. Not investment advice.

Research and education only — not financial advice. TENKis not a registered investment adviser or broker-dealer and gives no personalized advice. Every call is impersonal — identical for all users, generated on a schedule from SEC filings plus a delayed/third-party price feed — may be wrong or out of date, and is not a recommendation to buy or sell any security. The operator and an affiliated trading operation may hold or trade the securities TENK rates; see Disclosures. Past performance does not guarantee future results. Do your own research.

Earnings history

beat/miss · move
2018-03-08——8-K ↗
2017-03-14——8-K ↗

Dates from 8-K (Item 2.02); beat/miss = reported EPS vs consensus (Finnhub, recent quarters); move = prior close → close on/after.

Vs tracked universe

compare →

1195 tracked peers · median

TENK Score28 vs 67
Revenue growth-16.0% vs 7.5%
Net margin-182.4% vs 10.0%
Return on equity-219.1% vs 12.0%
P/E— vs 26.2