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GLW · Corning Inc /Ny
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GLW Corning (GLW) Insider Trading, Ownership & Congress Trades

Semiconductors & Electronics · Drawing & insulating of nonferrous wire · CIK 0000024741
Quote by TradingView
Congress · 2Form 144 · 2
Insider buyers, 180 days
0
Funds added, last quarter
1,485
13F, latest reported quarter
Conversions, 180 days
3
Codes C/M, not in net · $3.1M priced

What the filings say about GLW

Insiders, 180 days
-$57.5M net sold
11 sellers · 0% of sales under a 10b5-1 plan
Congress, 1 year
2 bought · 1 sold
Latest: sale, 2026-09-24
Planned sales (Form 144), 90 days
$3.5M
2 notices

Corning insider trades (Form 4)

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

Over the last 180 days, CORNING INC /NY insiders sold a net $57.5M of stock across 138 Form 4 purchases and sales, with no insider buying. Source: SEC Form 4 filings, as of 2026-10-28.

Insider
Filed
Shares
Value
Since filing
Gullo Michelle L
Senior Vice President & CHRO
SELL
2026-09-08 SECtraded 2026-09-04
9,874
$1.5M
-24.2%
Context
  • 4 earlier Form 4 trades (code P or S) here by this insider (4 sales), the last on May 8, 2026.
  • The trade is 105.2% of the 9,384 shares held after it.
  • 1 other insider sold within 30 days.
  • 1,485 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Senior Vice President & CHRO Gullo Michelle L sold about $1.5M of GLW on Sep 4, 2026; 1 other insider sold within 30 days and 1,485 funds added in the latest 13F quarter.
STEVERSON LEWIS A
Vice Chairman, EVP and CLAO
SELL
2026-08-31 SECtraded 2026-08-28
13,100
$2.0M
-12.2%
Context
  • 11 earlier Form 4 trades (code P or S) here by this insider (11 sales), the last on May 8, 2026.
  • The trade is 87.0% of the 15,052 shares held after it.
  • 1 other insider sold within 30 days.
  • 1,485 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Vice Chairman, EVP and CLAO STEVERSON LEWIS A sold about $2.0M of GLW on Aug 28, 2026; 1 other insider sold within 30 days and 1,485 funds added in the latest 13F quarter.
WEEKS WENDELL P
Chairman, CEO and President
SELL
2026-06-09 SEC
100,000
$18.6M
-24.0%
Context
  • 9 earlier Form 4 trades (code P or S) here by this insider (9 sales), the last on Feb 26, 2026.
  • The trade is 11.0% of the 908,353 shares held after it.
  • 6 other insiders sold within 30 days.
  • 1,485 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chairman, CEO and President WEEKS WENDELL P sold about $18.6M of GLW on Jun 9, 2026; 6 other insiders sold within 30 days and 1,485 funds added in the latest 13F quarter.
Amin Jaymin
SVP and Chief Tech. Officer
SELL
2026-05-26 SECtraded 2026-05-22
27,395
$5.3M
-33.0%
Context
  • 2 earlier Form 4 trades (code P or S) here by this insider (2 sales), the last on Sep 17, 2025.
  • The trade is 29.0% of the 94,400 shares held after it.
  • 10 other insiders sold within 30 days.
  • 1,485 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: SVP and Chief Tech. Officer Amin Jaymin sold about $5.3M of GLW on May 22, 2026; 10 other insiders sold within 30 days and 1,485 funds added in the latest 13F quarter.
Nelson Avery H III
Executive Vice President & COO
SELL
2026-05-18 SECtraded 2026-05-15
20,000
$3.9M
-27.2%
Context
  • 3 earlier Form 4 trades (code P or S) here by this insider (3 sales), the last on Feb 11, 2026.
  • The trade is 28.5% of the 70,059 shares held after it.
  • 10 other insiders sold within 30 days.
  • 1,485 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Executive Vice President & COO Nelson Avery H III sold about $3.9M of GLW on May 15, 2026; 10 other insiders sold within 30 days and 1,485 funds added in the latest 13F quarter.
138 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
See all insider buying · insider selling
Showing the latest few. to see 133 more transactions and use the screener and CSV export. We store only your email; there is no password.
Seven facts, ranked against the sector · Rank is not a forecast
Insiders
net -$57.5M over 180 days
-$3.5M over 90 days
below 81% of Semiconductors & Electronics
Congress
2 members bought in the last year
more than 54% of Semiconductors & Electronics
Funds
1,485 funds bought in last quarter
more than 96% of Semiconductors & Electronics
Revenue
+19.1% year over year
more than 60% of Semiconductors & Electronics
Margin
10.2% net margin
more than 75% of Semiconductors & Electronics
Buybacks
$163.0M repurchased, FY to 2025-12-31
more than 73% of Semiconductors & Electronics
Short interest
2.1% of the float short (float per yahoo 2026-10-26) · 2.2 days to cover · settled 2026-09-30
below 71% of Semiconductors & Electronics
What changed in the last 30 days
Oct 7Rep. Maria Elvira Salazar sold $1.0K to $15K, disclosed 13 days after the trade
Why it matters
House members report a bracket, not an exact amount, and have 45 days to do it; the trade is weeks old when it becomes public.
Oct 7Rep. Maria Elvira Salazar sold $1.0K to $15K, disclosed 29 days after the trade
Why it matters
House members report a bracket, not an exact amount, and have 45 days to do it; the trade is weeks old when it becomes public.
Oct 7Rep. Maria Elvira Salazar sold $1.0K to $15K, disclosed 33 days after the trade
Why it matters
House members report a bracket, not an exact amount, and have 45 days to do it; the trade is weeks old when it becomes public.

Watch GLW

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.

The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
+49.8%12M
-9%+61%+130%+200%2025-102025-122026-022026-042026-062026-082026-10 2026-02-26 · WEEKS WENDELL P sold $21.4M2026-06-09 · WEEKS WENDELL P sold $18.6M2025-10-29 · Musser Eric S sold $9.0M2026-05-08 · STEVERSON LEWIS A sold $5.4M2026-05-22 · Amin Jaymin sold $5.3M2026-05-07 · Schlesinger Edward A sold $4.2M2026-05-11 · Seetharam Soumya sold $4.1M2026-05-08 · Becker Stefan sold $3.9M2026-05-15 · Nelson Avery H III sold $3.9M2026-02-09 · Kammerud Jordana Daryl sold $3.8M2026-05-06 · Zhang John Z sold $2.8M2026-02-02 · Musser Eric S sold $2.8M2026-01-29 · Schlesinger Edward A sold $2.2M2026-05-13 · Verkleeren Ronald L sold $2.1M2025-10-31 · STEVERSON LEWIS A sold $2.1M2026-02-10 · STEVERSON LEWIS A sold $2.0M2025-12-10 · Verkleeren Ronald L sold $2.0M2026-05-11 · Zhang John Z sold $2.0M2026-08-28 · STEVERSON LEWIS A sold $2.0M2026-02-09 · Musser Eric S sold $2.0M2025-10-31 · Schlesinger Edward A sold $1.9M2026-09-04 · Gullo Michelle L sold $1.5M2025-12-10 · Seetharam Soumya sold $1.5M2026-02-04 · Fang Li sold $1.1M2025-10-29 · Becker Stefan sold $1.1M2026-05-08 · Gullo Michelle L sold $1.0M2026-02-09 · Nelson Avery H III sold $812.7K2026-05-11 · TILLMAN MICHAUNE D sold $674.9K2026-02-02 · O'Day Michael Paul sold $558.2K2026-02-12 · Zhang John Z sold $204.8K2026-02-11 · Nelson Avery H III sold $203.8K2026-02-13 · Gullo Michelle L sold $77.0K2026-02-12 · Gullo Michelle L sold $6.0K2026-01-29 · Gullo Michelle L sold $4.5K2026-09-04 · Michelle Gullo filed to sell $1.5M2026-08-28 · Lewis Steverson filed to sell $2.0M
Insider sellForm 144 (planned sale)
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns GLW: institutional holders (13F)

13F holdings, latest reported quarter
BlackRock, Inc.
65,765,574 sh
$16.8B
VANGUARD CAPITAL MANAGEMENT LLC
50,831,214 sh
$13.0B
STATE STREET CORP
41,108,384 sh
$10.5B
JPMORGAN CHASE & CO
36,016,393 sh
$9.2B
Capital Research Global Investors
24,698,700 sh
$6.3B

Congress trades in GLW

STOCK Act disclosures, US House only, filed up to 45 days after the trade
Maria Elvira Salazar
Sold 2026-09-24 · disclosed 13 days later
$1,001 - $15,000
Maria Elvira Salazar
Bought 2026-09-08 · disclosed 29 days later
$1,001 - $15,000
Maria Elvira Salazar
Sold 2026-09-04 · disclosed 33 days later
$1,001 - $15,000
Gilbert Cisneros
Bought 2026-03-25 · disclosed 13 days later
$1,001 - $15,000
Maria Elvira Salazar
Bought 2026-03-19 · disclosed 33 days later
$15,001 - $50,000
All stocks members of Congress are buying · Every member's trades

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

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

GLW planned insider sales (Form 144)

Notice of intent to sell, filed before any sale
Michelle Gullo
Filed 2026-09-04
$1.5M
Lewis Steverson
Filed 2026-08-28
$2.0M

GLW mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
Firsthand Alternative Energy Fund
$1.7M position · as of 2026-06-30
9.9%
Catalyst Dynamic Alpha Fund
$13.1M position · as of 2026-06-30
9.3%
AUXIER FOCUS FUND
$21.3M position · as of 2026-06-30
6.4%
RJ Eagle GCM Dividend Select Income ETF
$6.4M position · as of 2026-06-30
6.4%
American Beacon The London Company Income Equity Fund
$65.8M position · as of 2026-05-31
5.9%
Corgi Lithography & Semiconductor Photonics ETF
$24.3M position · as of 2026-06-30
5.6%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Corporate PAC
The company's PAC: committee totals only, never individual donors (FEC).
Corning Incorporated Employees Political Action Committee (Corepac)
Cycle 2026 · $403K spent
$224.0K
Federal Election Commission, matched by the PAC's connected organisation
Executive pay vs shareholder return · Wendell P. Weeks
CEO pay, headline and as actually paid, against the company's return and its chosen peers' (DEF 14A).
FY
CEO total
Actually paid
Other execs, avg
TSR
Peer TSR
2025
$25.8M
$61.6M
$8.7M
+179%
+150%
2024
$21.7M
$40.0M
$6.7M
+49%
+108%
2023
$15.6M
$12.8M
$5.1M
-7%
+49%
2022
$16.2M
$8.7M
$4.3M
-6%
+22%
2021
$20.8M
$27.1M
$6.4M
+6%
+52%
Tagged by the company under SEC Item 402(v). Returns are cumulative from the start of the disclosure period. Green where the company beat its own peer group.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
Insiders have filed to sell, before selling.
The record shows a net $57.5M sold by insiders over 180 days, 1,485 funds added last quarter, 2 House member(s) bought in 12 months, disclosed weeks after the trade, $3.5M in planned Form 144 sales. Each figure is a federal filing, dated the day it went public.
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GLW financials

Revenue growth
+19.1%
XBRL, annual
Net margin
10.2%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$17.0B
four quarters, 2025-07-01 to 2026-06-30
Net margin, TTM
+11.2%
net income over revenue, 2025-07-01 to 2026-06-30
Free cash flow, TTM
$2.4B
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Debt to equity
0.67x
long-term 2026-06-30 plus current 2026-06-30; equity 2026-06-30
Cash flow to debt
0.46x
TTM operating cash flow over long-term 2026-06-30 plus current 2026-06-30
Return on equity
+16.1%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets
+6.2%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on invested capital
+12.3%
operating income after a 13.8% effective tax rate, over long-term 2026-06-30 plus current 2026-06-30 plus average of 2025-06-30 and 2026-06-30 minus cash
Return on capital employed
+10.3%
operating income (EBIT proxy) over average of 2025-06-30 and 2026-06-30 minus current liabilities
P/E, trailing
58.33x
close 2026-10-26 over four quarters of diluted EPS, 2025-07-01 to 2026-06-30
Enterprise value
$116.0B
market value at close 2026-10-26 on 2026-07-24 shares, plus long-term 2026-06-30 plus current 2026-06-30, minus cash 2026-06-30
FCF yield
+2.2%
TTM free cash flow over market value at close 2026-10-26
PEG, trailing
0.43x
P/E over trailing EPS growth of 135%: four quarters to 2026-06-30 against the four to 2025-06-30
Price as of 2026-10-26. 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.
2025-122024-122023-122022-12
Revenue$15.6B$13.1B$12.6B$14.2B
Gross profit$5.6B$4.3B$3.9B$4.5B
Operating income$2.3B$1.1B$890.0M$1.4B
Net income$1.6B$506.0M$581.0M$1.3B
EPS (diluted)1.830.580.681.54
Operating cash flow$2.7B$1.9B$2.0B$2.6B
Cash$1.5B$1.8B$1.8Bn/a
Long-term debt$7.6B$6.9B$7.2B$6.7B
Buybacks$163.0M$165.0Mn/a$221.0M
SEC XBRL, fiscal years, as known on 2026-10-28

GLW Stock Sonar score 6/7 axes

Find similar shapesCompare

GLW ranks highest on institutional and government (81st percentile) and profitability (67th), and lowest on insider conviction (9th), among Semiconductors & Electronics peers.

ProfitHealthGrowthInsidersInstitutionsRisk
Profitability
67
Inputs
  • Return on equity+16.1% · 74 pct, sector of 154
  • Return on assets+6.2% · 70 pct, sector of 171
  • Return on invested capital+12.3% · 53 pct, sector of 56
  • Return on capital employed+10.3% · 70 pct, sector of 155
Financial health
49
Inputs
  • Debt to equity0.67x · 28 pct, sector of 152
  • Cash flow to debt0.46x · 70 pct, sector of 136
Growth
60
Inputs
  • Revenue growth, YoY+19.1% · 60 pct, sector of 194
  • Backlog growth, YoYno backlog line filed, or no year-earlier backlog
Insider conviction
9
Inputs
  • Net Form 4 buying (codes P and S), 180d-$57.5M · 18 pct, sector of 147
  • Insider buyers, 180d0 · 0 pct, sector of 151
Institutional and government
81
Inputs
  • Funds adding, latest quarter1,485 · 96 pct, sector of 184
  • Congress net buyers, 365d1 · 59 pct, sector of 40
  • Federal contracts, 180dno federal contracts in 180 days
  • Lobbying spend, 4 quarters$2.9M · 88 pct, sector of 53
Risk and compliance
57
Inputs
  • Short interest, % of float+2.1% · 75 pct, sector of 221
  • Recalls per $1B revenue, 3ynot measured for this sector, almost no peer has an event
  • EPA cases per $1B revenue, 5y0.06 per $1B · 13 pct, universe of 1,048
  • New text in Risk Factors, latest 10-K+5.7% · 82 pct, sector of 152
1 not measured: US patents
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

6 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

GLW filings, in plain words

Are Corning insiders buying or selling GLW?

In the 180 days to 2026-10-28, Corning insiders were net sellers, a net $57.5M across purchases and sales reported on Form 4, by 11 sellers.

Have members of Congress traded GLW?

Yes. In the year to 2026-10-28, 2 House members disclosed buying GLW and 1 House member disclosed selling it; the latest on record is a sale by Maria Elvira Salazar dated 2026-09-24.

Are there planned insider sales of GLW?

Yes. 2 Form 144 notices of planned insider sales were filed in the 90 days to 2026-10-28, covering $3.5M of stock; the latest, by Michelle Gullo, was filed 2026-09-04.

Read the full summary

In the 180 days to 2026-10-28, Corning insiders were net sellers of GLW, a net $57.5M across purchases and sales reported on Form 4 by 11 sellers. None of the 14 insider sales was flagged as made under a Rule 10b5-1 plan. In the year to 2026-10-28, 2 members of Congress disclosed buying GLW and 1 member disclosed selling it; the latest on record is a sale by Maria Elvira Salazar dated 2026-09-24. Insiders filed 2 Form 144 notices of intent to sell in the 90 days to 2026-10-28, covering $3.5M of stock. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.

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