Musser Eric S

Director · Officer · Other reporting person · GLW, WOLF

As of 2026-09-16, Musser Eric S has 52 Form 4 transactions on record across 2 companies — 20 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $1.5MIndirect: $0$1.5Mas of 2026-09-16
  • Direct $1.5M
  • Indirect $0
WOLFdirect31,732 sh$751K
GLWdirect4,926 sh$710K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

GLW · 51 trades
2026-02-09: Sale, 15,000 sh ($2.0M)2026-02-04: Withheld for tax, 3,284 sh ($360K)2026-02-04: Award / grant, 30,227 sh ($0)2026-02-04: Option exercise, 610 sh ($0)2026-02-04: Award / grant, 45,196 sh ($0)2026-02-04: Option exercise, 1,602 sh ($0)2026-02-04: Option exercise, 1,072 sh ($0)2026-02-04: Option exercise, 610 sh ($0)2026-02-04: Award / grant, 17,120 sh ($0)2026-02-04: Option exercise, 1,602 sh ($0)2026-02-04: Option exercise, 1,072 sh ($0)2026-02-02: Sale, 25,000 sh ($2.8M)2025-10-29: Sale, 100,000 sh ($9.0M)2025-09-30: Withheld for tax, 1,132 sh ($93K)2025-09-30: Withheld for tax, 269 sh ($22K)2025-09-30: Option exercise, 525 sh ($0)2025-09-30: Option exercise, 1,132 sh ($0)2025-09-30: Option exercise, 525 sh ($0)2025-09-30: Option exercise, 1,132 sh ($0)2025-09-04: Sale, 20,000 sh ($1.4M)2025-08-11: Sale, 18,850 sh ($1.2M)2025-08-11: Option exercise, 18,850 sh ($370K)2025-08-11: Option exercise, 18,850 sh ($0)2025-08-08: Withheld for tax, 1,607 sh ($106K)2025-08-08: Option exercise, 3,147 sh ($0)2025-08-08: Option exercise, 3,147 sh ($0)2025-08-07: Sale, 20,000 sh ($1.3M)2025-06-06: Sale, 20,000 sh ($1.0M)2025-04-15: Withheld for tax, 45,734 sh ($1.9M)2025-04-15: Option exercise, 37,518 sh ($0)2025-04-15: Option exercise, 56,390 sh ($0)2025-04-15: Option exercise, 37,518 sh ($0)2025-04-15: Option exercise, 56,390 sh ($0)2025-04-01: Award / grant, 32,938 sh ($0)2025-02-10: Withheld for tax, 1,135 sh ($60K)2025-02-10: Option exercise, 3,147 sh ($0)2025-02-10: Option exercise, 3,147 sh ($0)2025-02-04: Withheld for tax, 4,109 sh ($214K)2025-02-04: Option exercise, 1,416 sh ($0)2025-02-04: Option exercise, 1,301 sh ($0)2025-02-04: Option exercise, 1,392 sh ($0)2025-02-04: Award / grant, 39,946 sh ($0)2025-02-04: Award / grant, 36,696 sh ($0)2025-02-04: Award / grant, 39,256 sh ($0)2025-02-04: Option exercise, 1,416 sh ($0)2025-02-04: Option exercise, 1,301 sh ($0)2025-02-04: Option exercise, 1,392 sh ($0)2025-01-31: Sale, 30,000 sh ($1.6M)2025-01-02: Withheld for tax, 1,783 sh ($83K)2025-01-02: Option exercise, 1,783 sh ($0)2025-01-02: Option exercise, 1,783 sh ($0)
WOLF · 1 trade
2025-12-17: Award / grant, 31,732 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-02-09GLWSale15,000 @ $130.25$2.0M−75.3% of holding4,926Form 4
2026-02-02GLWSale25,000 @ $110.00$2.8M−55.6% of holding19,926Form 4
2025-10-29GLWSale100,000 @ $90.17$9.0M−69.0% of holding44,926Form 4
2025-09-04GLWSale20,000 @ $70.23$1.4M−12.1% of holding144,670Form 4
2025-08-11GLWSale18,850 @ $65.31$1.2M−10.3% of holding164,670Form 4
2025-08-07GLWSale20,000 @ $65.88$1.3M−10.9% of holding163,130Form 4
2025-06-06GLWSale20,000 @ $51.11$1.0M−9.8% of holding183,130Form 4
2025-01-31GLWSale30,000 @ $51.92$1.6M−16.4% of holding152,944Form 4
44 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-02-04GLWWithheld for tax3,28419,926Form 4
2026-02-04GLWAward / grant30,22768,091Form 4
2026-02-04GLWOption exercise61016,510Form 4
2026-02-04GLWAward / grant45,19690,501Form 4
2026-02-04GLWOption exercise1,60223,210Form 4
2026-02-04GLWOption exercise1,07221,608Form 4
2026-02-04GLWOption exercise61020,536Form 4
2026-02-04GLWAward / grant17,12017,120Form 4
2026-02-04GLWOption exercise1,60288,899Form 4
2026-02-04GLWOption exercise1,07267,019Form 4
2025-12-17WOLFAward / grant31,73231,732Form 4
2025-09-30GLWWithheld for tax1,132144,926Form 4
2025-09-30GLWWithheld for tax269144,926Form 4
2025-09-30GLWOption exercise525145,195Form 4
2025-09-30GLWOption exercise1,13223,572Form 4
2025-09-30GLWOption exercise5250Form 4
2025-09-30GLWOption exercise1,132146,058Form 4
2025-08-11GLWOption exercise18,850183,520Form 4
2025-08-11GLWOption exercise18,8500Form 4
2025-08-08GLWWithheld for tax1,607164,670Form 4
2025-08-08GLWOption exercise3,147166,277Form 4
2025-08-08GLWOption exercise3,1473,147Form 4
2025-04-15GLWWithheld for tax45,734203,130Form 4
2025-04-15GLWOption exercise37,5180Form 4
2025-04-15GLWOption exercise56,3900Form 4
2025-04-15GLWOption exercise37,518248,864Form 4
2025-04-15GLWOption exercise56,390211,346Form 4
2025-04-01GLWAward / grant32,93832,938Form 4
2025-02-10GLWWithheld for tax1,135154,956Form 4
2025-02-10GLWOption exercise3,147156,091Form 4
2025-02-10GLWOption exercise3,1476,294Form 4
2025-02-04GLWWithheld for tax4,109152,944Form 4
2025-02-04GLWOption exercise1,41656,390Form 4
2025-02-04GLWOption exercise1,30145,305Form 4
2025-02-04GLWOption exercise1,39237,864Form 4
2025-02-04GLWAward / grant39,94657,806Form 4
2025-02-04GLWAward / grant36,69646,606Form 4
2025-02-04GLWAward / grant39,25639,256Form 4
2025-02-04GLWOption exercise1,416157,053Form 4
2025-02-04GLWOption exercise1,301155,637Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.