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WNDW · Solarwindow Technologies, Inc.
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WNDW SolarWindow Technologies (WNDW) Insider Trading, Ownership & Congress Trades

Materials · Industrial organic chemicals · CIK 0001071840
Quote by TradingView
SEC filings
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
0
13F, latest reported quarter

SolarWindow Technologies insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

No insider purchases or sales are on record for SolarWindow Technologies, Inc. in the period covered. Source: SEC Form 4 filings, as of 2026-10-28.

Insider
Filed
Shares
Value
Since filing

no insider purchases or sales on record

0 transactions on record
See all insider buying · insider selling
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Seven facts, ranked against the sector · Rank is not a forecast
Insiders
no insider buys or sells on file
Congress
no House purchase disclosed in the last 12 months
Funds
under five funds report holding it
Revenue
no revenue reported in any filing
Margin
no margin: no revenue reported
Buybacks
no share repurchases reported
Short interest
1.0% of the float short (float per yahoo 2026-10-27) · 4.0 days to cover · settled 2026-10-15
below 85% of Materials
What changed in the last 30 days
Nothing new filed in the last 30 days

Watch WNDW

A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.

Who owns WNDW: institutional holders (13F)

13F holdings, latest reported quarter
Winch Advisory Services, LLC
216 sh
$59

Congress trades in WNDW

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

WNDW planned insider sales (Form 144)

No planned-sale notices
No insider has filed to sell. Watch this after a run-up.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
The complete filing record, in one place.
Each figure here is a federal filing, dated the day it went public, so you can test what was knowable then.
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Same sector, ranked by filing activity
Sector by SEC SIC code
JELDLEGHWMSAVYSXTENTGREXGEVOCMTKOPNKEBNET

WNDW financials

Ratios from the company's XBRL filings, latest filings
Revenue, TTM
n/a
fewer than four consecutive quarters of revenue filed
Net margin, TTM
n/a
needs four consecutive quarters of both revenue and net income
Free cash flow, TTM
n/a
capex not filed for the four quarters
Debt to equity
0.77x
long-term 2018-08-31 (94 months older than the period end) plus current 2020-08-31 (69 months older than the period end); equity 2026-05-31
Cash flow to debt
-0.63x
TTM operating cash flow over long-term 2018-08-31 (94 months older than the period end) plus current 2020-08-31 (69 months older than the period end)
Return on equity
-61.9%
TTM net income over average of 2025-05-31 and 2026-05-31
Return on assets
-56.7%
TTM net income over average of 2025-05-31 and 2026-05-31
Return on invested capital
n/a
tax provision or pre-tax income not filed for the four quarters
Return on capital employed
-65.6%
operating income (EBIT proxy) over average of 2025-05-31 and 2026-05-31 minus current liabilities
P/E, trailing
n/a
no close on file at or before the as-of date
Enterprise value
n/a
no close on file at or before the as-of date
FCF yield
n/a
no close on file at or before the as-of date
PEG, trailing
n/a
no close on file at or before the as-of date
Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
2025-082024-082023-082022-08
Revenuen/a$0$0n/a
Operating income-$2.4M-$2.6M-$2.3M-$3.7M
Net income-$2.3M-$3.5M-$2.4M-$4.9M
EPS (diluted)-0.04-0.06-0.04-0.09
Operating cash flow-$1.5M-$1.7M-$2.1M-$3.6M
Cash$6.6M$1.2M$492.6K$8.1M
SEC XBRL, fiscal years, as known on 2026-10-28

WNDW Stock Sonar score 3/7 axes

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WNDW ranks highest on risk and compliance (84th percentile) and financial health (27th), and lowest on profitability (8th), among Materials peers.

Profitability
8
Inputs
  • Return on equity-61.9% · 10 pct, sector of 100
  • Return on assets-56.7% · 11 pct, sector of 120
  • Return on invested capitaltax provision or pre-tax income not filed for the four quarters
  • Return on capital employed-65.6% · 2 pct, sector of 96
Financial health
27
Inputs
  • Debt to equity0.77x · 43 pct, sector of 104
  • Cash flow to debt-0.63x · 11 pct, sector of 103
Risk and compliance
84
Inputs
  • Short interest, % of float+1.0% · 86 pct, sector of 145
  • Recalls per $1B revenue, 3yrevenue under $50M or not filed, so a count cannot be scaled to size
  • EPA cases per $1B revenue, 5yrevenue under $50M or not filed, so a count cannot be scaled to size
  • New text in Risk Factors, latest 10-K+4.9% · 83 pct, sector of 111
4 not measured: Growth, Insider conviction, Institutional and government, US patents
  • Growth needs 1 of 2 inputs, 0 present: no backlog line filed, or no year-earlier backlog; no revenue for this year and the year before
  • Insider conviction needs 1 of 2 inputs, 0 present: no Form 4 purchase or sale (code P or S) in 180 days; no insider trades in 180 days
  • Institutional and government needs 1 of 4 inputs, 0 present: fewer than five funds report holding it; no Congress trades in 365 days; no federal contracts in 180 days; no lobbying filings in the last four quarters
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

3 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

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