Latest: Q3 2026 · from the cash-flow statements filed with the SEC
Free cash flow$73.9M in Q3 2026 · $389M over twelve months
Operating cash flow$143M
Capital spending−$69.5M
Free cash flow+$73.9M
Cash / net income1.3×
Analysis
In Q3 2026, Kirby generated $143M of operating cash flow and spent $69.5M on capital projects, leaving free cash flow of $73.9M. That is $86.3M less than in Q3 2025 ($160M).
Over the twelve months to Sep 30, 2026, operating cash flow was $626M; the largest uses were buybacks ($326M), capital spending ($236M), acquisitions ($105M); besides operations, cash came from net borrowing (+) / repaid (−) ($22.8M), asset & business sales ($12.5M); the cash balance fell by $8.7M.
Operating cash flow was $143M against net income of $111M — 1.3× profit, cash ran ahead of reported earnings. The largest differences: depreciation & amortization +$71.6M, stock-based pay +$2.4M, gains on disposals +$813K.
Free cash flow
Operating cash flow less capital spending.Latest (Q3 2026): Operating cash flow $143M, Capital spending $69.5M.
Capital allocation, year by year
Over these 5 years operating cash flow totalled $2.6B; the largest uses were capital spending ($1.3B) and net borrowing ($1.1B). Cash-flow statements as filed.
Cash runway and the debt wall
Cash & investments$38.3M
Debt$1.1B
Net debt$1.0B
Due within a year$7.4M
Kirby funds itself: free cash flow was $389M over the last twelve months, and $38.3M of cash and investments stands against $1.1B of debt ($7.4M due within a year, 5.2× covered by cash).
Principal due in each year as disclosed in the annual report, against $38.3M of cash and investments now.
Where the cash came from and went
From profit to cash
Non-cash charges are added back; money tied up in receivables or inventory is subtracted.
Every quarter
Quarter
Operating cash flow
Capital spending
Acquisitions
Buybacks
Net borrowing (+) / repaid (−)
Shares issued
Cash drawn (+) / kept (−)
Free cash flow
Q3 2026
$143M
−$69.5M
—
−$112M
$34.1M
—
$665K
$73.9M
Q2 2026
$72.3M
−$71.5M
−$14.4M
−$59.7M
$54.9M
—
$19.1M
$758K
Q1 2026
$97.7M
−$48.3M
−$81.4M
−$52.7M
$63.7M
$4.3M
$20.8M
$49.4M
Q4 2025
$312M
−$47.0M
−$9.3M
−$102M
−$130M
$4.7M
−$31.8M
$265M
Q3 2025
$228M
−$67.3M
−$9.2M
−$120M
−$69.2M
—
$21.4M
$160M
Q2 2025
$93.9M
−$71.5M
—
−$31.2M
$19.1M
—
−$17.3M
$22.4M
Q1 2025
$36.5M
−$78.7M
−$97.2M
−$101M
$224M
$262K
$23.4M
−$42.1M
Q4 2024
$247M
−$96.7M
−$12.6M
−$33.3M
−$105M
$1.0M
−$7.4M
$151M
Kirby: income statement and cash flow
Kirby, Q3 2026: revenue $977M (+12% year over year), operating margin 15.4%. The chart follows the revenue to costs, profit and cash.
Read automatically from the company’s XBRL cash-flow statements; quarterly figures for the fourth quarter are the year less the first three. Errors are possible. Not investment advice.