greeksoup/ stock research
Stock research / United States / GLW / Planned sales

Corning Inc. planned insider sales

In the last twelve months insiders at Corning Inc. filed 31 Form 144 notices of planned sales, 612,273 shares worth $98.2 million at the time of filing, from 18 sellers. The latest, filed 4 September 2026: Michelle Gullo (officer), 9,874 shares worth $1.5 million, planned for around 4 September 2026 through UBS Financial Services Inc.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
4 September 2026Michelle GulloOfficer9,874$1.5 million4 September 20269,874 shares from 4 September 2026UBS Financial Services Increstricted stock releaseForm 144
28 August 2026Lewis SteversonOfficer13,100$2.0 million28 August 202613,100 shares from 28 August 2026UBS Financial Services Increstricted stock releaseForm 144
9 June 2026Wendell WeeksOfficer100,000$18.6 million9 June 2026100,000 shares from 9 June 2026UBS Financial Services Incstock option releaseForm 144
22 May 2026Jaymin AminOfficer27,395$5.3 million22 May 202627,395 shares from 22 May 2026UBS Financial Services Incperformance stock release; restricted stock release; stock option releaseForm 144
15 May 2026Avery H Nelson IIIOfficer20,000$3.9 million15 May 202620,000 shares from 15 May 2026UBS Financial Services Incperformance stock release; restricted stock releaseForm 144
13 May 2026Ronald VerkleerenOfficer10,000$2.1 million13 May 202610,000 shares from 13 May 2026UBS Financial Services Incperformance stock release; restricted stock releaseForm 144
11 May 2026Michaune TillmanOfficer3,260$674,87011 May 20263,260 shares from 11 May 2026UBS Financial Services Increstricted stock releaseForm 144
11 May 2026John ZhangOfficer10,000$2.0 million11 May 202610,000 shares from 11 May 2026UBS Financial Services Incperformance stock releaseForm 144
11 May 2026Soumya SeetharamOfficer20,000$4.1 million11 May 202620,000 shares from 11 May 2026UBS Financial Services Incperformance stock release; restricted stock releaseForm 144
8 May 2026Michelle GulloOfficer5,315$1.0 million8 May 20265,315 shares from 8 May 2026UBS Financial Services Incperformance stock release; restricted stock releaseForm 144
8 May 2026Stefan BeckerOfficer21,000$3.9 million8 May 202621,000 shares from 8 May 2026UBS Financial Services Incperformance stock release; restricted stock releaseForm 144
8 May 2026Lewis SteversonOfficer27,750$5.4 million8 May 202627,750 shares from 8 May 2026UBS Financial Services Incperformance stock releaseForm 144
7 May 2026Edward SchlesingerOfficer22,562$4.2 million7 May 202622,562 shares from 7 May 2026UBS Financial Services Incperformance stock releaseForm 144
6 May 2026John ZhangOfficer15,000$2.8 million6 May 202615,000 shares from 6 May 2026UBS Financial Services Incperformance stock release; restricted stock releaseForm 144
26 February 2026Wendell WeeksOfficer137,514$21.4 million26 February 2026137,514 shares from 26 February 2026UBS Financial Services Incstock option exerciseForm 144
13 February 2026Michelle GulloOfficer587$76,95713 February 2026No matching Form 4 saleUBS Financial Services Increstricted stock releaseForm 144
13 February 2026Michelle GulloOfficer587$76,95713 February 2026631 shares from 12 February 2026UBS Financial Services Increstricted stock releaseForm 144
12 February 2026Trevor GulloMember of immediate family of any of the foregoing44$5,97112 February 2026No matching Form 4 saleUBS Financial Services Increstricted stock releaseForm 144
12 February 2026John ZhangOfficer1,531$204,73912 February 20261,531 shares from 12 February 2026UBS Financial Services Increstricted stock releaseForm 144
11 February 2026Avery NelsonOfficer1,583$203,77511 February 20261,583 shares from 11 February 2026UBS Financial Services Increstricted stock releaseForm 144
10 February 2026Avery NelsonOfficer6,262$812,69710 February 20266,262 shares from 9 February 2026UBS Financial Services Incperf. stock release; restricted stock releaseForm 144
10 February 2026Lewis SteversonOfficer15,366$2.0 million10 February 202615,366 shares from 10 February 2026UBS Financial Services Increstricted stock releaseForm 144
9 February 2026Eric MusserOfficer15,000$2.0 million9 February 202615,000 shares from 9 February 2026UBS Financial Services Incperformance stock releaseForm 144
9 February 2026Jordana KammerudOfficer30,000$3.8 million9 February 202630,000 shares from 9 February 2026UBS Financial Services Increstricted stock releaseForm 144
4 February 2026Fang LiOfficer9,797$1.1 million4 February 20269,797 shares from 4 February 2026UBS Financial Services Incstock option releaseForm 144
2 February 2026Michael O'DayOfficer5,051$557,9742 February 20265,051 shares from 2 February 2026UBS Financial Services Increstricted stock releaseForm 144
2 February 2026Eric MusserOfficer25,000$2.8 million2 February 202625,000 shares from 2 February 2026UBS Financial Services Incperformance stock release; restricted stock releaseForm 144
29 January 2026Trevor GulloMember of immediate family of any of the foregoing44$4,50029 January 2026No matching Form 4 saleUBS Financial Services Increstricted stock releaseForm 144
29 January 2026Edward SchlesingerOfficer21,104$2.2 million29 January 202621,104 shares from 29 January 2026UBS Financial Services Incperformance stock release; stock option exerciseForm 144
10 December 2025Soumya SeetharamOfficer16,547$1.5 million10 December 202516,547 shares from 10 December 2025UBS Financial Services IncRestricted Stock ReleaseForm 144
10 December 2025Ronald VerkleerenOfficer21,000$2.0 million10 December 202521,000 shares from 10 December 2025UBS Financial Services IncPerformance Share Vesting; Restricted Stock Release; Restricted Stock VestingForm 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Sold, per Form 4: the same seller's open-market sales on Form 4 from the notice's date to 90 days after, added up, as they appear on the insiders page; a holder who files no Form 4, such as some large holders, never shows one. What is a Form 144?