The Filings Report

Owens Corning insider trading

OCfinancial statementsForm 4 filings on EDGAR237 transactions since Nov 9, 2024

From August 12, 2026 to November 9, 2026, 0 insiders at Owens Corning bought $0 of stock in the open market, and 1 sold $130K. Officers and directors accounted for $0 of purchases and $130K of sales. The last reported transaction was a tax withholding by Marcon Rachel Barthelemy on October 26, 2026.

The answer card and chart use the same period. Change the range above the chart to update both. Form 4 filings through October 28, 2026; awards, option exercises, tax withholding and gifts are excluded from these totals.

Stock price and insider activity

Daily price candles with insider purchases and sales directly beneath them on the same timeline. Bars show individual days; totals sum all days in the selected period.

OC daily priceSplit-adjusted prices in US dollars

Bought $0Sold $130KAug 12, 2026 – Nov 9, 2026

Nov 6, 2026O $120.60 · H $125.19 · L $119.01 · C $121.31Bought $0 (0)Sold $0 (0)
$106$120$134$149$1632026-08-12: open $159.72, high $159.88, low $153.19, close $155.912026-08-13: open $154.52, high $158.07, low $154.08, close $155.852026-08-14: open $154.96, high $156.56, low $153.40, close $154.672026-08-17: open $153.32, high $154.17, low $151.42, close $153.812026-08-18: open $152.00, high $152.90, low $148.90, close $150.612026-08-19: open $153.62, high $154.99, low $150.74, close $151.232026-08-20: open $148.90, high $149.16, low $145.65, close $147.162026-08-21: open $148.41, high $149.94, low $145.66, close $148.062026-08-24: open $148.81, high $149.97, low $146.37, close $146.972026-08-25: open $149.30, high $150.00, low $145.78, close $146.612026-08-26: open $147.71, high $148.44, low $145.35, close $145.712026-08-27: open $145.23, high $146.02, low $142.05, close $143.682026-08-28: open $144.07, high $146.49, low $141.21, close $143.132026-08-31: open $141.70, high $142.74, low $138.02, close $138.152026-09-01: open $136.35, high $137.67, low $133.50, close $133.682026-09-02: open $134.02, high $135.87, low $133.36, close $134.252026-09-03: open $136.21, high $137.30, low $132.59, close $134.712026-09-04: open $134.25, high $139.71, low $133.73, close $138.722026-09-08: open $138.45, high $138.57, low $130.02, close $130.202026-09-09: open $129.65, high $130.48, low $128.33, close $128.672026-09-10: open $126.36, high $127.77, low $124.98, close $127.492026-09-11: open $128.42, high $132.38, low $128.02, close $131.902026-09-14: open $128.50, high $130.73, low $128.50, close $128.952026-09-15: open $129.44, high $130.73, low $127.17, close $128.672026-09-16: open $129.80, high $132.76, low $125.10, close $126.592026-09-17: open $129.90, high $130.34, low $123.95, close $124.502026-09-18: open $123.80, high $124.59, low $122.34, close $123.902026-09-21: open $124.92, high $124.92, low $120.69, close $121.592026-09-22: open $124.47, high $127.80, low $123.79, close $126.662026-09-23: open $126.66, high $126.66, low $122.88, close $122.882026-09-24: open $121.93, high $122.97, low $120.04, close $120.722026-09-25: open $120.80, high $125.90, low $120.00, close $123.912026-09-28: open $120.98, high $123.18, low $119.94, close $122.032026-09-29: open $122.22, high $123.47, low $117.99, close $118.362026-09-30: open $118.62, high $119.72, low $116.56, close $116.742026-10-01: open $117.74, high $118.35, low $113.52, close $117.092026-10-02: open $119.25, high $119.73, low $116.00, close $118.362026-10-05: open $120.26, high $120.63, low $116.28, close $117.482026-10-06: open $117.08, high $120.09, low $116.38, close $119.782026-10-07: open $114.50, high $115.61, low $112.97, close $114.682026-10-08: open $113.39, high $117.77, low $113.00, close $117.202026-10-09: open $117.16, high $117.78, low $112.81, close $114.162026-10-12: open $113.60, high $114.54, low $111.94, close $112.612026-10-13: open $113.48, high $114.73, low $111.04, close $112.792026-10-14: open $112.38, high $112.77, low $108.98, close $111.262026-10-15: open $113.69, high $114.13, low $111.82, close $113.692026-10-16: open $113.63, high $117.08, low $111.98, close $112.802026-10-19: open $112.36, high $112.80, low $109.16, close $110.012026-10-20: open $110.28, high $113.88, low $109.83, close $111.812026-10-21: open $112.64, high $113.71, low $110.21, close $112.232026-10-22: open $110.87, high $117.12, low $110.72, close $116.492026-10-23: open $113.84, high $116.23, low $113.18, close $114.232026-10-26: open $114.30, high $115.12, low $113.16, close $114.262026-10-27: open $113.31, high $117.01, low $111.81, close $116.312026-10-28: open $117.50, high $117.58, low $115.10, close $115.952026-10-29: open $116.60, high $122.00, low $116.03, close $121.602026-10-30: open $122.17, high $124.00, low $119.69, close $121.152026-11-02: open $123.40, high $127.42, low $122.52, close $125.582026-11-03: open $126.92, high $127.57, low $117.07, close $117.762026-11-04: open $123.52, high $127.89, low $116.62, close $127.802026-11-05: open $125.13, high $127.09, low $120.38, close $124.262026-11-06: open $120.60, high $125.19, low $119.01, close $121.31Insider purchases / sales · USD$200K$0−$200K2026-08-28: 0 purchases ($0), 1 sales ($130K)Aug 12Sep 2Sep 25Oct 16Nov 6

purchases above zero; sales below. Both use the transaction date and the same dollar scale. Hover, tap, or use arrow keys to inspect a date. Awards, exercises, tax withholding and gifts are excluded.

Dates with prices or insider activity are spaced evenly; empty weekends and holidays are omitted. Prices through Nov 6, 2026. Insider data through Nov 9, 2026. Prices are adjusted for splits; transaction values are reported dollars.

Every transaction

237 transactions from November 9, 2024 to November 9, 2026, newest first. Open-market purchases and sales are coloured; awards, exercises, tax withholding and gifts are grey and not counted.

TradedInsiderRoleTransactionSharesPriceValueHeld afterFiled
Oct 26, 2026Marcon Rachel BarthelemyPresident, Doorstax withholding858$114.26$98K20,591Oct 28, 2026
Sep 15, 2026Fister Todd WPresident and COOtax withholding1,180$128.67$152K52,138Sep 17, 2026
Sep 15, 2026Del Monaco NicolasPresident, Roofingtax withholding856$128.67$110K26,330Sep 17, 2026
Aug 28, 2026Marcon Rachel BarthelemyPresident, Doorsopen-market sale10b5-1900$144.07$130K21,449Sep 1, 2026
Aug 10, 2026Marcon Rachel BarthelemyPresident, Doorsaward6,501$153.80$1000K22,349Aug 12, 2026
Aug 10, 2026Collins Jonathan MarkEVP & Chief Financial Officeraward19,504$153.80$3M19,504Aug 12, 2026
Aug 10, 2026Del Monaco NicolasPresident, Roofingaward6,501$153.80$1000K27,186Aug 12, 2026
Aug 10, 2026Canovas De La Nuez Jose ManuelPresident, Insulationaward3,250$153.80$500K18,955Aug 12, 2026
Aug 7, 2026Williams John DavidDirectoraward296$157.10$47K54,752Aug 10, 2026
Aug 7, 2026Martin Paul EdwardDirectoraward296$157.10$47K8,338Aug 10, 2026
Aug 7, 2026Cordeiro Eduardo EDirectoraward319$157.10$50K16,311Aug 10, 2026
Aug 7, 2026Nimocks Suzanne PDirectoraward321$157.10$50K36,938Aug 10, 2026
Aug 7, 2026Lonergan Edward FDirectoraward581$157.10$91K54,958Aug 10, 2026
Aug 7, 2026Collins Michelle TDirectoraward370$157.10$58K2,918Aug 10, 2026
Aug 7, 2026Festa Alfred EDirectoraward315$157.10$49K13,296Aug 10, 2026
Aug 7, 2026Elsner AdrienneDirectoraward312$157.10$49K19,099Aug 10, 2026
Aug 6, 2026Williams John DavidDirectoraward284$150.60$43K54,456Aug 10, 2026
Aug 6, 2026Martin Paul EdwardDirectoraward42$150.60$6K8,042Aug 10, 2026
Aug 6, 2026Cordeiro Eduardo EDirectoraward67$150.60$10K15,992Aug 10, 2026
Aug 6, 2026Nimocks Suzanne PDirectoraward110$150.60$17K36,617Aug 10, 2026
Aug 6, 2026Mendez-Andino JoseEVP, Chief Innovation Officeraward77$150.60$12K24,507Aug 10, 2026
Aug 6, 2026Lonergan Edward FDirectoraward273$150.60$41K54,377Aug 10, 2026
Aug 6, 2026Festa Alfred EDirectoraward68$150.60$10K12,981Aug 10, 2026
Aug 6, 2026Elsner AdrienneDirectoraward98$150.60$15K18,787Aug 10, 2026
Jul 28, 2026Canovas De La Nuez Jose ManuelPresident, Insulationtax withholding1,070$143.13$153K15,705Jul 30, 2026
May 28, 2026Marcon Rachel BarthelemyPresident, Doorsopen-market sale10b5-1700$120.71$84K15,848May 29, 2026
May 8, 2026Festa Alfred EDirectoraward407$121.67$50K12,913May 12, 2026
May 8, 2026Martin Paul EdwardDirectoraward382$121.67$46K8,000May 12, 2026
May 8, 2026Nimocks Suzanne PDirectoraward414$121.67$50K36,507May 12, 2026
May 8, 2026Lonergan Edward FDirectoraward750$121.67$91K54,103May 12, 2026
May 8, 2026Doerfler MariVice President and Controlleropen-market sale1,926$120.92$233K3,093May 12, 2026
May 8, 2026Collins Michelle TDirectoraward478$121.67$58K2,548May 12, 2026
May 8, 2026Elsner AdrienneDirectoraward382$121.67$46K18,689May 12, 2026
May 8, 2026Williams John DavidDirectoraward382$121.67$46K54,172May 12, 2026
May 8, 2026Cordeiro Eduardo EDirectoraward407$121.67$50K15,925May 12, 2026
May 1, 2026Fister Todd WEVP, CFO and COOaward8,147$122.73$1000K53,099May 5, 2026
Apr 9, 2026Cordeiro Eduardo EDirectoraward85$114.95$10K15,518Apr 13, 2026
Apr 9, 2026Elsner AdrienneDirectoraward125$114.95$14K18,307Apr 13, 2026
Apr 9, 2026Nimocks Suzanne PDirectoraward140$114.95$16K36,093Apr 13, 2026
Apr 9, 2026Mannen Maryann T.Directoraward163$114.95$19K27,410Apr 13, 2026
Apr 9, 2026Lonergan Edward FDirectoraward351$114.95$40K53,353Apr 13, 2026
Apr 9, 2026Williams John DavidDirectoraward367$114.95$42K53,790Apr 13, 2026
Apr 9, 2026Festa Alfred EDirectoraward85$114.95$10K12,506Apr 13, 2026
Apr 9, 2026Martin Paul EdwardDirectoraward52$114.95$6K7,618Apr 13, 2026
Apr 9, 2026Mendez-Andino JoseEVP, Chief Innovation Officeraward101$114.95$12K24,430Apr 13, 2026
Apr 6, 2026Doerfler MariVice President and Controllertax withholding1,167$106.28$124K5,019Apr 8, 2026
Feb 27, 2026Festa Alfred EDirectoraward406$122.07$50K12,421Mar 3, 2026
Feb 27, 2026Williams John DavidDirectoraward381$122.07$47K53,422Mar 3, 2026
Feb 27, 2026Elsner AdrienneDirectoraward381$122.07$47K18,182Mar 3, 2026
Feb 27, 2026Lonergan Edward FDirectoraward748$122.07$91K53,003Mar 3, 2026

Who the insiders are

Everyone who reported a transaction since November 9, 2024, by open-market value over twelve months. Shares held are after the insider’s latest directly held transaction.

InsiderRoleLast transactionKindShares heldBought, 12 monthsSold, 12 monthsSales under a plan
Doerfler MariVice President and ControllerMay 8, 2026open-market sale3,093—$233K (1)0 of 1
Marcon Rachel BarthelemyPresident, DoorsOct 26, 2026tax withholding20,591—$214K (2)2 of 2
Mendez-Andino JoseEVP, Chief Innovation OfficerAug 6, 2026award24,507———
Williams John DavidDirectorAug 7, 2026award54,752———
Martin Paul EdwardDirectorAug 7, 2026award8,338———
Cordeiro Eduardo EDirectorAug 7, 2026award16,311———
Nimocks Suzanne PDirectorAug 7, 2026award36,938———
Lonergan Edward FDirectorAug 7, 2026award54,958———
Festa Alfred EDirectorAug 7, 2026award13,296———
Elsner AdrienneDirectorAug 7, 2026award19,099———
Del Monaco NicolasPresident, RoofingSep 15, 2026tax withholding26,330———
Fister Todd WPresident and COOSep 15, 2026tax withholding52,138———
Mannen Maryann T.DirectorApr 9, 2026award27,410———
Beredo Gina A.EVP, CAO & GCFeb 25, 2026award39,889———
Chambers BrianChair, President and CEO, DirectorFeb 25, 2026tax withholding395,537———
Canovas De La Nuez Jose ManuelPresident, InsulationAug 10, 2026award18,955———
Collins Michelle TDirectorAug 7, 2026award2,918———
Russell PaulaEVP, Chief HR OfficerApr 10, 2025award25,988———
Baymiller Ann LizabethChief Information OfficerFeb 25, 2026tax withholding8,797———
Morris W HowardDirectorApr 10, 2025award41,915———
Smith GunnerPresident, RoofingFeb 24, 2025tax withholding30,053———
Ball Christopher OPresident, DoorsFeb 27, 2025tax withholding25,255———
Sandri Marcio APresident, CompositesFeb 5, 2025award57,470———
Collins Jonathan MarkEVP & Chief Financial OfficerAug 10, 2026award19,504———

Questions

Are Owens Corning insiders buying or selling?

Over the twelve months to November 9, 2026, 2 insiders at Owens Corning sold $447K of stock in the open market, all by officers and directors, and no insider bought. Net, insiders sold $447K. Only open-market purchases and sales are counted.

Who sold the most Owens Corning stock in the last year?

Doerfler Mari (Vice President and Controller) sold $233K in 1 open-market sale over the twelve months to November 9, 2026.

Do Owens Corning executives sell under 10b5-1 plans?

2 of the 3 open-market sales in the last twelve months (67%) were reported as made under a Rule 10b5-1 trading plan, set up in advance. A sale under a plan is still counted as a sale.

What counts as insider buying here?

Only open-market purchases (Form 4 code P) and sales (code S) by officers, directors and 10% owners. Stock awards, option exercises, shares withheld for tax and gifts are listed in the table but never counted as buying or selling.

More on Owens Corning

From Form 4, 4/A and 5 filings with the SEC. A record of insider transactions, not a recommendation.