Lightwave Logic, Inc. (LWLG) Cash Flow Statement

NASDAQ: LWLGOperating cash, capex, free cash flow and buybacks.

Where LWLG’s cash came from and went, 2025

December 31, 2025 · U.S. dollars
Cash from operations
−$13.7M
Capital expenditures
$1.3M
562.3% of revenue
Free cash flow
−$15.1M
−6,367.2% margin
Returned to shareholders
—
Change in cash
$41.3M
cash at year-end $69.0M
Shares issued: $56.7MShares issued$56.7MOther financing: $170,783Other financing$170,783Cash used in operations: $13.7MCash used in operations$13.7M · 24%Added to cash: $41.3MAdded to cash$41.3M · 73%Capital expenditures, Acquisitions & other: $1.8MOther uses$1.8M · 3%$56.9M
Cash from operations
−$13.7M
Capital expenditures
−$1.3M
Acquisitions & other
−$485,429
Shares issued
+$56.7M
Other financing
+$170,783
Change in cash
$41.3M

Drawn to scale: where the cash came from and how it was used. Hover for values.

LWLG operating cash flow, capex and free cash flow

Operating cash flowCapital expendituresFree cash flowFCF margin (right axis)

LWLG cash flow trends, 2016–2025

Lightwave Logic, Inc. cash flow trends
MetricTrendThenLatestChange
Operating cash flow−$3.2M2016−$13.7M2025—
Capital expenditures$193,2592016$1.3M2025+23.9%/yr
Free cash flow−$3.3M2016−$15.1M2025—
Free cash flow margin−44,427.2%2022−6,367.2%2025+38,060.0 pts
Stock-based compensation$436,2282016$551,4662025+2.6%/yr
Dividends paid$02016$02018—
Share buybacks (net)$02016$02022—
Capex / revenue5,756.0%2022562.3%2025−5,193.8 pts

Change is the average annual growth (CAGR) or the difference between the first and latest year.

LWLG cash flow by activity

OperatingInvestingFinancingChange in cash

LWLG net income vs operating cash flow

Net incomeOperating cash flow

Operating cash flow above net income usually means earnings are backed by cash (depreciation and stock-based pay are non-cash expenses).

LWLG cash flow statement

Lightwave Logic, Inc. annual cash flow statement
2025202420232022202120202019201820172016
Operating activities
Net income−$20.3M−$22.5M−$21.0M−$17.2M−$18.6M−$6.7M−$6.7M−$5.8M−$5.7M−$4.4M
Depreciation & amortization$2.1M$1.9M$1.3M$1.2M$1.0M$784,419$698,694$465,795$325,946$195,610
Stock-based compensation$551,466$4.4M$6.5M$5.8M$1.0M$539,414$600,727$387,688$794,738$436,228
Change in working capital−$622,242−$145,000$317,879−$692,890$1.2M$305,728$173,769$257,844−$468,275$152,478
Other non-cash items$4.5M$814,276$720,766$354,641$5.1M$212,140$487,932$260,666$687,277$469,600
Cash from operating activities−$13.7M−$15.6M−$12.2M−$10.5M−$10.3M−$4.9M−$4.8M−$4.4M−$4.4M−$3.2M
Investing activities
Capital expenditures−$1.3M−$2.7M−$3.6M−$1.6M−$1.1M−$217,984−$305,670−$1.4M−$265,532−$193,259
Investments (net)—−$2.7M−$1.8M−$2.2M−$1.1M−$217,984−$305,670−$1.4M−$265,532−$173,759
Acquisitions & other investing−$485,429$2.7M$2.4M$1.6M$1.1M$217,984$305,670$1.4M$265,532$193,259
Cash from investing activities−$1.8M−$2.7M−$3.0M−$2.2M−$1.1M−$217,984−$305,670−$1.4M−$265,532−$173,759
Financing activities
Dividends paid———————$0$0$0
Share repurchases & issuance (net)———$653,895$2.4M$1.7M$5.6M$5.0M$6.2M$0
Net borrowing (repayment)————−$13,107−$669,649−$505,726−$499,409−$71,425−$71,425
Shares issued$56.7M$14.1M$18.1M$12.8M$30.4M$5.2M$5.6M$4.9M$0$0
Other financing$170,783$337,350$4.4M−$18,201−$1.2M$0−$5.6M−$4.9M$47,576$1.6M
Cash from financing activities$56.9M$14.5M$22.5M$13.4M$31.5M$6.2M$5.1M$4.5M$6.2M$1.6M
Summary
Net change in cash$41.3M−$3.8M$7.3M$669,539$20.1M$1.1M$61,719−$1.3M$1.5M−$1.8M
Cash at end of period$69.0M$27.7M$31.4M$24.1M$23.4M$3.3M$2.2M$2.2M$3.5M$2.0M
Free cash flow−$15.1M−$18.2M−$15.8M−$12.1M−$11.4M−$5.1M−$5.1M−$5.8M−$4.7M−$3.3M
Free cash flow margin−6,367.2%−19,087.3%−39,099.1%−44,427.2%——————
Capex / revenue562.3%2,821.9%8,888.2%5,756.0%——————

Negative numbers are cash paid out. Quarterly columns are labeled by the month the quarter ended. Figures in U.S. dollars as reported; data from EODHD.

LWLG cash generation

In fiscal 2025 (ended December 31, 2025), Lightwave Logic generated -$13.7 million of cash from operations and spent $1.3 million on capital expenditures, leaving free cash flow of -$15.1 million, −6,367.2% of revenue. Cash and equivalents rose by $41.3 million over the year.

Related: LWLG income statement, LWLG balance sheet. See the LWLG stock overview for the latest quote and news.

LWLG cash flow FAQ

What is Lightwave Logic's free cash flow?

Lightwave Logic's free cash flow was -$15.1 million in fiscal 2025: -$13.7 million of operating cash flow minus $1.3 million of capital expenditures It was -$18.2 million a year earlier..

How much cash does Lightwave Logic generate from operations?

Lightwave Logic generated -$13.7 million of cash from operating activities in fiscal 2025.

How much does Lightwave Logic spend on capital expenditures?

Lightwave Logic spent $1.3 million on capital expenditures in fiscal 2025, 562.3% of revenue, compared with $2.7 million the year before.

Specialty Chemicals: cash flow