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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adviser; calls are impersonal, generated from SEC filings and a delayed/third-party price feed, and may be wrong or out of date.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.

EDGAR® is a registered trademark of the U.S. Securities and Exchange Commission. TENK/calls is an independent service and is not affiliated with, endorsed by, or approved by the U.S. Securities and Exchange Commission.

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Home›Stocks›FLY
FLY logo

FLY

Firefly Aerospace Inc.

Last earnings -1.3% on 2026-05-04

Avoid
$28.90
▲ +1.87%
$28.90▼ -52.11%
over 1Y
L $16.78H $60.35
Earnings Dividend Split Congress buy Congress sellGrouped by date · hover a pin to expand
Today+1.9%
1W+17.4%
1M-33.4%
3M-12.2%
YTD+21.6%
1Y-52.1%
OverviewFinancialsValuationQualityTimelineFilings
Rating
Avoid
Quality
F
Valuation
Fair value
Filings
Watch
Avoid
Conviction
Horizon
Long (>12mo)
Street · 14 analysts
Buy

Well-funded but deeply unprofitable space-launch startup at 31x sales — binary execution risk makes it not investable for most.

Revenue $160M · FY2025

Firefly Aerospace is an early-stage space-launch and lander company (Alpha rocket, Blue Ghost lunar lander, the in-development Eclipse vehicle, plus the SciTec acquisition). Revenue is growing fast off a tiny base — up 163% to $160M — but the company is deeply unprofitable: net income of -$298M, an operating margin of -163.1%, gross margin of only 19.2%, and operating cash burn of -$205M. R&D of $200M exceeds total revenue, underscoring how much development spending the business requires before it can scale.

The balance sheet is, for now, a genuine strength: a recent capital raise lifted cash to $793M (+542%), equity to $1.19B, and kept leverage low at 0.53x — providing runway to fund the burn for a few years. But the valuation is extreme at 31.0x sales and a meaningless -6.4x P/E, pricing in years of flawless execution that the risk factors warn against: 'the potential for delayed or failed launches,' inability 'to operate Alpha at our anticipated launch rate,' difficulty finalizing 'the development and delivery of Eclipse,' dependence on U.S. government funding and budget priorities, and the general 'unpredictability of space.'

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

The options angle

model · matches our verdict
Bear put spread (caution)~90d expiry
  • Long put 29 @ ~7.71 est
  • Short put 26 @ ~5.92 est
debit $179max +$121max −$179BE 27.21

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 itemFY23FY24FY25
Revenue$55.2M$60.8M$160M
Gross profit$26.6M-$11.4M$30.7M
Operating income-$132M-$209M-$261M
Net income-$135M-$231M-$298M
Diluted EPS-$13.05-$20.74-$4.83
Net margin-245.2%-380.2%-186.6%

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

Key statistics

Valuation

Enterprise value$3.96B
EV / EBITDA—
EV / Sales24.8
EV / FCF—
P / FCF—
PEG (trailing)—
Earnings yield-6.3%
FCF yield-5.0%

Quality & risk

ROIC (est.)-17.2%
Free cash flow-$238M
Total debt$7.10M
Net cash$786M
Altman Z-Score3.81 safe
Piotroski F-Score4/7

Capital returns

Buyback yield—
Dividend yield (est.)—
Shareholder yield—

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
Some governance/structural items recently, but no outright red flags.
  1. 8-K Shareholder vote2026-06-05
  2. 8-K Material agreement2026-06-02
  3. S-1 Securities registration2026-05-26
  4. 8-K Earnings results2026-05-04
  5. 10-Q Quarterly report2026-05-04
  6. 8-K Officer / director change2026-04-21
  7. DEF 14A Proxy statement2026-04-17
  8. 8-K Officer / director change2026-04-03
  9. 10-K Annual report2026-03-20

Recent filings

all on EDGAR ↗
3Period ending 2026-06-152026-06-23open ↗4Period ending 2026-06-042026-06-08open ↗4Period ending 2026-06-042026-06-08open ↗4Period ending 2026-06-042026-06-08open ↗4Period ending 2026-06-042026-06-08open ↗4Period ending 2026-06-042026-06-08open ↗4Period ending 2026-06-042026-06-08open ↗4Period ending 2026-06-042026-06-08open ↗424B3Filing2026-06-05open ↗8-KPeriod ending 2026-06-042026-06-05open ↗4Period ending 2026-06-012026-06-03open ↗424B3Filing2026-06-02open ↗

Quality score

F
ValueGrowthProfitHealthMom.
ValueF
GrowthC
ProfitabilityF
Financial healthB-
Momentum—
  • ✓Revenue growing year-over-year
  • ✗Profitable (positive net income)
  • ✗Net margin above 10%
  • ✗Return on equity above 15%
  • ✓Liabilities below 2× equity
0.0052-week0.00
Revenue
$160M
+163.0% YoY
Net margin
-186.6%
ROE
-25.1%
P/E
—

SEC fundamentals · FY 2025

'23'24'25

■ revenue · ■ net income, by fiscal year

Revenue$160M+163.0%
Net income-$298M-29.1%
Gross profit$30.7M+369.8%
Operating income-$261M-24.5%
Diluted EPS-$4.83+76.7%
Cash & equivalents$793M+542.4%
Total assets$1.82B+348.0%
Total liabilities$635M+52.9%
Stockholders' equity$1.19B+255.0%
Gross: 19.2%Op.: -163.1%L/E: 0.53x

Frequently asked

Is Firefly Aerospace Inc. (FLY) a buy?
FLY currently carries a Avoid rating with 3/5 conviction, derived from its latest SEC filings. Well-funded but deeply unprofitable space-launch startup at 31x sales — binary execution risk makes it not investable for most.
What is Firefly Aerospace Inc.'s quality score?
FLY scores 39.509803921568626/100 (grade F) on a SEC-grounded quality model spanning value, growth, profitability, financial health and momentum.

Sources: SEC EDGAR (CIK 0001860160, latest 10-Q filed 2026-05-04) · EODHD · Proprietary analysis · as of 6/21/2026, 8:57:03 PM.

›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 Jun 21, 2026, 4:57 PM 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.

Insider activity

Form 4 · SEC

Last 90 days: 0 open-market buys · 2 sales

2026-06-04
McAllister Kevin G
Director
Award3.63K
2026-06-04
Zurbuchen Thomas Hansueli
Director
Award3.63K
2026-06-04
Emerson Christopher Plummer IV
Director
Award3.63K
2026-06-04
Boland Ryan Michael
Director
Award3.63K
2026-06-04
Braden Pamela Joyce
Director
Award3.63K
2026-06-04
Lusczakoski Jonathan Donald
Director
Award3.63K
2026-06-04
Konert Kirk Michael
Director
Award3.63K
2026-06-01
AEROEQUITY GP, LLC
10% owner
Sell5.20M @ $48.00$250M
2026-06-01
AEROEQUITY GP, LLC
10% owner
Sell2.80M @ $48.00$134M

Earnings history

beat/miss · move
2026-05-04Beat +4.8% est▲ +17.40%8-K ↗
2026-03-19Beat +19.9% est▲ +2.09%8-K ↗
2025-11-12Beat +18.7% est▼ -26.88%8-K ↗
2025-09-22Miss -1095.8% est▼ -20.40%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 →

1194 tracked peers · median

TENK Score40 vs 67
Revenue growth163.0% vs 7.5%
Net margin-186.6% vs 10.0%
Return on equity-25.1% vs 12.0%
P/E— vs 26.2