CORNING INC /NY
GLW · Drawing & Insulating of Nonferrous Wire · 860.6M shares · -1%/yr ↓ buyback · EDGAR filings ↗
Net buyback after stock comp: -$53M (gross $165M, SBC $218M)
Reference price $186.46 · est. market cap ~$160.5B — last insider sale, 2026-06-09 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)
Grade
B81Category-leading materials-science franchise with strong AI-driven growth and improving margins, just short of top-decile returns.
Strengths
- Revenue +19% (72nd) and net income +2.2x (88th pct) on Springboard plan and data-center/AI optical demand
- Operating margin 14.6% (79th), ROA 5.2% (78th), low leverage (debt/equity 0.07); deep optical-fiber IP moat
Risks
- Returns good rather than dominant: ROE 13.5% (69th), gross margin 36% (41st pct)
- Profit concentration in Optical/Display; cyclical telecom/hyperscale capex and supply-chain exposure
Notable findings
- Customer concentration~31% of revenue from one customer/distributor — 3 billion, or 31% and gross margin as a percentage of net sales increased by 3 percentage points when compared to 2024 driven by higher volume and the impact of actions taken by management to improve
- Strong balance sheetStrong balance sheet — $1.5B cash & investments
- Insider sellingInsider selling — 26 open-market sale(s) by 15 insider(s) (cluster of 15 insiders, ~$91M, last 6mo) Form 4 ↗
Quarterly revenue
Last 4 quarters · from SEC filings.
Key metrics
Gross margin
36.0%
Operating margin
14.6%
Net margin
10.2%
Return on equity
13.5%
Return on assets
5.2%
ROIC
14.3%
Revenue growth (QoQ)
-1.7%
Net-income growth
215.4%
Debt / equity
0.1×
Current ratio
1.6×
Tangible book value
$8.7B
Cash & investments
$1.5B
Stock comp / revenue
1.8%
Insider transactions · last 18 months
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2026-06-22 | Gullo Michelle L | Tax withheld | 18K | $209.83 |
| 2026-06-09 | WEEKS WENDELL P | Sell | 100K | $186.46 |
| 2026-06-09 | WEEKS WENDELL P | Option exercise | 100K | $27.03 |
| 2026-05-22 | Amin Jaymin | Option exercise | 7.9K | $27.00 |
| 2026-05-22 | Amin Jaymin | Sell | 27K | $192.14 |
| 2026-05-15 | Nelson Avery H III | Sell | 20K | $195.93 |
| 2026-05-14 | Fang Li | Option exercise | 8.7K | $19.65 |
| 2026-05-13 | Verkleeren Ronald L | Sell | 10K | $207.77 |
| 2026-05-13 | Becker Stefan | Gift | 126 | — |
| 2026-05-11 | TILLMAN MICHAUNE D | Sell | 3.3K | $207.02 |
| 2026-05-11 | Seetharam Soumya | Sell | 20K | $206.23 |
| 2026-05-11 | Zhang John Z | Sell | 10K | $198.34 |
| 2026-05-08 | STEVERSON LEWIS A | Sell | 28K | $196.06 |
| 2026-05-08 | Becker Stefan | Sell | 21K | $188.08 |
| 2026-05-08 | Gullo Michelle L | Sell | 5.3K | $189.03 |
| 2026-05-07 | Schlesinger Edward A | Sell | 23K | $186.08 |
| 2026-05-06 | Zhang John Z | Sell | 15K | $184.67 |
| 2026-05-04 | TILLMAN MICHAUNE D | Tax withheld | 2.9K | $159.96 |
| 2026-04-29 | Becker Stefan | Option exercise | 619 | — |
| 2026-04-29 | Becker Stefan | Option exercise | 674 | — |
| 2026-04-29 | Becker Stefan | Tax withheld | 2.8K | $151.90 |
| 2026-04-29 | Becker Stefan | Option exercise | 429 | — |
| 2026-04-29 | Becker Stefan | Option exercise | 1.1K | — |
| 2026-04-28 | O'Day Michael Paul | Tax withheld | 3.5K | $153.05 |
| 2026-04-15 | Nelson Avery H III | Tax withheld | 29K | $168.27 |
| 2026-04-15 | Kammerud Jordana Daryl | Option exercise | 13K | — |
| 2026-04-15 | Kammerud Jordana Daryl | Option exercise | 5.7K | — |
| 2026-04-15 | Kammerud Jordana Daryl | Tax withheld | 9.0K | $168.27 |
| 2026-04-15 | Gullo Michelle L | Option exercise | 3.8K | — |
| 2026-04-15 | Gullo Michelle L | Tax withheld | 6.2K | $168.27 |
| 2026-04-15 | Becker Stefan | Option exercise | 31K | — |
| 2026-04-15 | Becker Stefan | Option exercise | 14K | — |
| 2026-04-15 | Becker Stefan | Tax withheld | 23K | $168.27 |
| 2026-04-15 | Amin Jaymin | Option exercise | 15K | — |
| 2026-04-15 | Amin Jaymin | Option exercise | 36K | — |
| 2026-04-15 | Amin Jaymin | Tax withheld | 25K | $168.27 |
| 2026-04-15 | Gullo Michelle L | Option exercise | 9.4K | — |
| 2026-04-15 | WEEKS WENDELL P | Option exercise | 236K | — |
| 2026-04-15 | WEEKS WENDELL P | Option exercise | 104K | — |
| 2026-04-15 | WEEKS WENDELL P | Tax withheld | 166K | $168.27 |
| 2026-04-15 | Zhang John Z | Option exercise | 43K | — |
| 2026-04-15 | Zhang John Z | Option exercise | 19K | — |
| 2026-04-15 | Zhang John Z | Tax withheld | 31K | $168.27 |
| 2026-04-15 | Verkleeren Ronald L | Option exercise | 33K | — |
| 2026-04-15 | Verkleeren Ronald L | Option exercise | 14K | — |
| 2026-04-15 | Verkleeren Ronald L | Tax withheld | 23K | $168.27 |
| 2026-04-15 | STEVERSON LEWIS A | Option exercise | 71K | — |
| 2026-04-15 | STEVERSON LEWIS A | Option exercise | 31K | — |
| 2026-04-15 | STEVERSON LEWIS A | Tax withheld | 50K | $168.27 |
| 2026-04-15 | Seetharam Soumya | Option exercise | 31K | — |
| 2026-04-15 | Seetharam Soumya | Option exercise | 14K | — |
| 2026-04-15 | Seetharam Soumya | Tax withheld | 18K | $168.27 |
| 2026-04-15 | Schlesinger Edward A | Option exercise | 19K | — |
| 2026-04-15 | Schlesinger Edward A | Option exercise | 44K | — |
| 2026-04-15 | Schlesinger Edward A | Tax withheld | 31K | $168.27 |
| 2026-04-15 | O'Day Michael Paul | Option exercise | 14K | — |
| 2026-04-15 | O'Day Michael Paul | Option exercise | 6.2K | — |
| 2026-04-15 | O'Day Michael Paul | Tax withheld | 8.4K | $168.27 |
| 2026-04-15 | Nelson Avery H III | Option exercise | 41K | — |
| 2026-04-15 | Nelson Avery H III | Option exercise | 18K | — |
| 2026-02-26 | WEEKS WENDELL P | Option exercise | 138K | $27.00 |
| 2026-02-26 | WEEKS WENDELL P | Sell | 138K | $155.37 |
| 2026-02-26 | WEEKS WENDELL P | Gift | 17K | — |
| 2026-02-13 | Gullo Michelle L | Sell | 587 | $131.11 |
| 2026-02-12 | Gullo Michelle L | Sell | 44 | $135.83 |
| 2026-02-12 | Zhang John Z | Sell | 1.5K | $133.75 |
| 2026-02-11 | Nelson Avery H III | Sell | 1.6K | $128.74 |
| 2026-02-10 | STEVERSON LEWIS A | Sell | 15K | $130.22 |
| 2026-02-09 | Zhang John Z | Tax withheld | 945 | $131.39 |
| 2026-02-09 | Musser Eric S | Sell | 15K | $130.25 |
| 2026-02-09 | Zhang John Z | Option exercise | 2.5K | — |
| 2026-02-09 | Verkleeren Ronald L | Option exercise | 2.5K | — |
| 2026-02-09 | Verkleeren Ronald L | Tax withheld | 893 | $131.39 |
| 2026-02-09 | Seetharam Soumya | Option exercise | 2.3K | — |
| 2026-02-09 | Seetharam Soumya | Tax withheld | 605 | $131.39 |
| 2026-02-09 | STEVERSON LEWIS A | Option exercise | 2.0K | — |
| 2026-02-09 | STEVERSON LEWIS A | Tax withheld | 706 | $131.39 |
| 2026-02-09 | Schlesinger Edward A | Option exercise | 1.4K | — |
| 2026-02-09 | Schlesinger Edward A | Tax withheld | 723 | $131.39 |
| 2026-02-09 | WEEKS WENDELL P | Option exercise | 5.7K | — |
| 2026-02-09 | WEEKS WENDELL P | Tax withheld | 2.9K | $131.39 |
| 2026-02-09 | O'Day Michael Paul | Option exercise | 1.1K | — |
| 2026-02-09 | O'Day Michael Paul | Tax withheld | 314 | $131.39 |
| 2026-02-09 | Nelson Avery H III | Option exercise | 2.5K | — |
| 2026-02-09 | Nelson Avery H III | Tax withheld | 893 | $131.39 |
| 2026-02-09 | Nelson Avery H III | Sell | 6.3K | $129.79 |
| 2026-02-09 | Gullo Michelle L | Option exercise | 918 | — |
| 2026-02-09 | Gullo Michelle L | Option exercise | 76 | — |
| 2026-02-09 | Gullo Michelle L | Tax withheld | 32 | $131.39 |
| 2026-02-09 | Gullo Michelle L | Tax withheld | 331 | $131.39 |
| 2026-02-09 | Fang Li | Option exercise | 1.9K | — |
| 2026-02-09 | Fang Li | Disposition | 1.9K | $131.39 |
| 2026-02-09 | Becker Stefan | Option exercise | 2.1K | — |
| 2026-02-09 | Becker Stefan | Tax withheld | 815 | $131.39 |
| 2026-02-09 | Amin Jaymin | Option exercise | 2.6K | — |
| 2026-02-09 | Amin Jaymin | Tax withheld | 953 | $131.39 |
| 2026-02-09 | Kammerud Jordana Daryl | Sell | 30K | $127.67 |
| 2026-02-04 | Verkleeren Ronald L | Option exercise | 300 | — |
| 2026-02-04 | Verkleeren Ronald L | Option exercise | 395 | — |
| 2026-02-04 | Verkleeren Ronald L | Option exercise | 591 | — |
| 2026-02-04 | Verkleeren Ronald L | Tax withheld | 1.3K | $109.69 |
| 2026-02-04 | Schlesinger Edward A | Option exercise | 623 | — |
| 2026-02-04 | Schlesinger Edward A | Option exercise | 564 | — |
| 2026-02-04 | Schlesinger Edward A | Option exercise | 793 | — |
| 2026-02-04 | Schlesinger Edward A | Tax withheld | 2.0K | $109.69 |
| 2026-02-04 | O'Day Michael Paul | Option exercise | 338 | — |
| 2026-02-04 | O'Day Michael Paul | Option exercise | 152 | — |
| 2026-02-04 | O'Day Michael Paul | Option exercise | 227 | — |
| 2026-02-04 | O'Day Michael Paul | Tax withheld | 717 | $109.69 |
| 2026-02-04 | Musser Eric S | Option exercise | 610 | — |
| 2026-02-04 | Musser Eric S | Option exercise | 1.1K | — |
| 2026-02-04 | Musser Eric S | Option exercise | 1.6K | — |
| 2026-02-04 | Musser Eric S | Tax withheld | 3.3K | $109.69 |
| 2026-02-04 | Kammerud Jordana Daryl | Option exercise | 101 | — |
| 2026-02-04 | Kammerud Jordana Daryl | Option exercise | 256 | — |
| 2026-02-04 | Kammerud Jordana Daryl | Option exercise | 236 | — |
| 2026-02-04 | Kammerud Jordana Daryl | Tax withheld | 593 | $109.69 |
| 2026-02-04 | Nelson Avery H III | Option exercise | 599 | — |
| 2026-02-04 | Nelson Avery H III | Option exercise | 553 | — |
| 2026-02-04 | Nelson Avery H III | Option exercise | 742 | — |
| 2026-02-04 | Nelson Avery H III | Tax withheld | 1.9K | $109.69 |
| 2026-02-04 | Gullo Michelle L | Option exercise | 98 | — |
| 2026-02-04 | Gullo Michelle L | Option exercise | 119 | — |
| 2026-02-04 | Gullo Michelle L | Option exercise | 169 | — |
| 2026-02-04 | Gullo Michelle L | Tax withheld | 386 | $109.69 |
| 2026-02-04 | Amin Jaymin | Option exercise | 377 | — |
| 2026-02-04 | Amin Jaymin | Option exercise | 429 | — |
| 2026-02-04 | Amin Jaymin | Option exercise | 641 | — |
| 2026-02-04 | Amin Jaymin | Tax withheld | 1.4K | $109.69 |
| 2026-02-04 | STEVERSON LEWIS A | Option exercise | 668 | — |
| 2026-02-04 | STEVERSON LEWIS A | Option exercise | 858 | — |
| 2026-02-04 | STEVERSON LEWIS A | Option exercise | 1.3K | — |
| 2026-02-04 | STEVERSON LEWIS A | Tax withheld | 2.8K | $109.69 |
| 2026-02-04 | WEEKS WENDELL P | Option exercise | 5.4K | — |
| 2026-02-04 | WEEKS WENDELL P | Option exercise | 2.2K | — |
| 2026-02-04 | WEEKS WENDELL P | Option exercise | 2.9K | — |
| 2026-02-04 | WEEKS WENDELL P | Tax withheld | 10K | $109.69 |
| 2026-02-04 | Fang Li | Option exercise | 3.1K | $20.89 |
| 2026-02-04 | Fang Li | Option exercise | 3.5K | $18.67 |
| 2026-02-04 | Fang Li | Option exercise | 3.1K | $20.89 |
| 2026-02-04 | Fang Li | Sell | 9.8K | $113.51 |
| 2026-02-02 | O'Day Michael Paul | Sell | 5.1K | $110.52 |
| 2026-02-02 | Musser Eric S | Sell | 25K | $110.00 |
| 2026-01-29 | Gullo Michelle L | Sell | 44 | $102.39 |
| 2026-01-29 | Schlesinger Edward A | Option exercise | 8.9K | $19.65 |
| 2026-01-29 | Schlesinger Edward A | Sell | 21K | $104.55 |
| 2026-01-15 | Kammerud Jordana Daryl | Option exercise | 327 | — |
| 2026-01-15 | Kammerud Jordana Daryl | Option exercise | 484 | — |
| 2026-01-15 | Kammerud Jordana Daryl | Option exercise | 258 | — |
| 2026-01-15 | Kammerud Jordana Daryl | Option exercise | 474 | — |
| 2026-01-15 | Kammerud Jordana Daryl | Option exercise | 447 | — |
| 2026-01-15 | Kammerud Jordana Daryl | Tax withheld | 2.0K | $93.49 |
| 2026-01-15 | Kammerud Jordana Daryl | Disposition | 12K | — |
| 2026-01-15 | Kammerud Jordana Daryl | Tax withheld | 4.7K | $93.49 |
| 2026-01-02 | O'Day Michael Paul | Option exercise | 612 | — |
| 2026-01-02 | O'Day Michael Paul | Tax withheld | 612 | $90.67 |
| 2026-01-02 | Schlesinger Edward A | Option exercise | 1.0K | — |
| 2026-01-02 | Schlesinger Edward A | Tax withheld | 1.0K | $90.67 |
| 2026-01-02 | STEVERSON LEWIS A | Option exercise | 1.1K | — |
| 2026-01-02 | STEVERSON LEWIS A | Tax withheld | 1.1K | $90.67 |
| 2026-01-02 | Amin Jaymin | Option exercise | 685 | — |
| 2026-01-02 | Amin Jaymin | Tax withheld | 685 | $90.67 |
| 2026-01-02 | Gullo Michelle L | Option exercise | 283 | — |
| 2026-01-02 | Gullo Michelle L | Tax withheld | 283 | $90.67 |
| 2026-01-02 | WEEKS WENDELL P | Option exercise | 3.3K | — |
| 2026-01-02 | WEEKS WENDELL P | Tax withheld | 3.3K | $90.67 |
| 2026-01-02 | Verkleeren Ronald L | Option exercise | 575 | — |
| 2026-01-02 | Verkleeren Ronald L | Tax withheld | 575 | $90.67 |
| 2026-01-02 | Nelson Avery H III | Option exercise | 1.0K | — |
| 2026-01-02 | Nelson Avery H III | Tax withheld | 1.0K | $90.67 |
| 2025-12-19 | Verkleeren Ronald L | Gift | 2.0K | — |
| 2025-12-15 | O'Day Michael Paul | Gift | 1.4K | — |
| 2025-12-10 | Verkleeren Ronald L | Sell | 21K | $94.69 |
| 2025-12-10 | Seetharam Soumya | Sell | 17K | $90.78 |
| 2025-12-08 | Seetharam Soumya | Tax withheld | 9.8K | $88.27 |
| 2025-12-04 | WEEKS WENDELL P | Gift | 24K | — |
| 2025-12-03 | Seetharam Soumya | Grant | 17K | — |
| 2025-11-21 | Verkleeren Ronald L | Option exercise | 689 | — |
| 2025-11-21 | Verkleeren Ronald L | Option exercise | 737 | — |
| 2025-11-21 | Verkleeren Ronald L | Option exercise | 794 | — |
| 2025-11-21 | Verkleeren Ronald L | Option exercise | 663 | — |
| 2025-11-21 | Verkleeren Ronald L | Tax withheld | 2.9K | $79.46 |
| 2025-10-31 | STEVERSON LEWIS A | Sell | 23K | $89.05 |
| 2025-10-31 | Schlesinger Edward A | Option exercise | 8.8K | $33.92 |
| 2025-10-31 | Schlesinger Edward A | Sell | 21K | $91.25 |
| 2025-10-30 | Amin Jaymin | Gift | 2.6K | — |
| 2025-10-29 | Becker Stefan | Sell | 12K | $91.28 |
| 2025-10-29 | Musser Eric S | Sell | 100K | $90.17 |
| 2025-09-30 | Musser Eric S | Tax withheld | 1.1K | $82.03 |
| 2025-09-30 | Musser Eric S | Option exercise | 525 | — |
| 2025-09-30 | Musser Eric S | Tax withheld | 269 | $82.03 |
| 2025-09-30 | Musser Eric S | Option exercise | 1.1K | — |
| 2025-09-17 | Amin Jaymin | Option exercise | 2.8K | $18.67 |
| 2025-09-17 | Amin Jaymin | Option exercise | 2.5K | $20.89 |
| 2025-09-17 | Amin Jaymin | Sell | 18K | $77.18 |
| 2025-09-17 | Amin Jaymin | Option exercise | 2.5K | $20.89 |
| 2025-09-15 | WEEKS WENDELL P | Gift | 40K | — |
| 2025-09-04 | WRIGHTON MARK S | Gift | 4.5K | — |
| 2025-09-04 | Musser Eric S | Sell | 20K | $70.23 |
| 2025-08-12 | Zhang John Z | Sell | 1.2K | $65.53 |
| 2025-08-11 | Musser Eric S | Sell | 19K | $65.31 |
| 2025-08-11 | Musser Eric S | Option exercise | 19K | $19.65 |
| 2025-08-08 | Nelson Avery H III | Tax withheld | 1.3K | $65.77 |
| 2025-08-08 | Musser Eric S | Option exercise | 3.1K | — |
| 2025-08-08 | Musser Eric S | Tax withheld | 1.6K | $65.77 |
| 2025-08-08 | Fang Li | Option exercise | 1.9K | — |
| 2025-08-08 | Fang Li | Disposition | 1.9K | $65.77 |
| 2025-08-08 | Becker Stefan | Option exercise | 2.1K | — |
| 2025-08-08 | Amin Jaymin | Option exercise | 2.6K | — |
| 2025-08-08 | Amin Jaymin | Tax withheld | 1.3K | $65.77 |
| 2025-08-08 | Becker Stefan | Tax withheld | 1.1K | $65.77 |
| 2025-08-08 | Zhang John Z | Option exercise | 2.5K | — |
| 2025-08-08 | Zhang John Z | Tax withheld | 1.3K | $65.77 |
| 2025-08-08 | WEEKS WENDELL P | Option exercise | 5.7K | — |
| 2025-08-08 | WEEKS WENDELL P | Tax withheld | 2.9K | $65.77 |
| 2025-08-08 | Verkleeren Ronald L | Option exercise | 2.5K | — |
| 2025-08-08 | Verkleeren Ronald L | Tax withheld | 1.3K | $65.77 |
| 2025-08-08 | STEVERSON LEWIS A | Option exercise | 2.0K | — |
| 2025-08-08 | STEVERSON LEWIS A | Tax withheld | 1.0K | $65.77 |
| 2025-08-08 | Seetharam Soumya | Option exercise | 2.3K | — |
| 2025-08-08 | Seetharam Soumya | Tax withheld | 875 | $65.77 |
| 2025-08-08 | Schlesinger Edward A | Option exercise | 1.4K | — |
| 2025-08-08 | Schlesinger Edward A | Tax withheld | 723 | $65.77 |
| 2025-08-08 | O'Day Michael Paul | Option exercise | 1.1K | — |
| 2025-08-08 | O'Day Michael Paul | Tax withheld | 477 | $65.77 |
| 2025-08-08 | Nelson Avery H III | Option exercise | 2.5K | — |
| 2025-08-07 | WEEKS WENDELL P | Sell | 82K | $65.19 |
| 2025-08-07 | Musser Eric S | Sell | 20K | $65.88 |
| 2025-07-30 | Schlesinger Edward A | Sell | 14K | $62.28 |
| 2025-07-30 | STEVERSON LEWIS A | Sell | 17K | $62.22 |
| 2025-07-30 | O'Day Michael Paul | Sell | 15K | $62.36 |
| 2025-07-30 | Nelson Avery H III | Option exercise | 10K | $27.00 |
| 2025-07-30 | Nelson Avery H III | Option exercise | 11K | $27.03 |
| 2025-07-30 | Nelson Avery H III | Sell | 36K | $62.26 |
| 2025-07-15 | Amin Jaymin | Tax withheld | 10K | $52.52 |
| 2025-07-10 | Kammerud Jordana Daryl | Tax withheld | 12K | $52.26 |
| 2025-06-11 | Verkleeren Ronald L | Sell | 20K | $50.52 |
| 2025-06-06 | Musser Eric S | Sell | 20K | $51.11 |
| 2025-06-02 | Schlesinger Edward A | Sell | 4.5K | $49.85 |
| 2025-05-29 | Seetharam Soumya | Sell | 6.5K | $50.01 |
| 2025-05-29 | Becker Stefan | Sell | 17K | $49.68 |
| 2025-05-28 | Zhang John Z | Sell | 9.6K | $49.29 |
| 2025-05-28 | Seetharam Soumya | Sell | 14K | $50.01 |
| 2025-05-12 | Zhang John Z | Sell | 8.0K | $46.91 |
| 2025-05-02 | TILLMAN MICHAUNE D | Tax withheld | 2.2K | $45.76 |
| 2025-04-30 | Bell Michael Alan | Sell | 20K | $44.06 |
| 2025-04-28 | O'Day Michael Paul | Tax withheld | 3.5K | $44.10 |
| 2025-04-15 | Verkleeren Ronald L | Tax withheld | 18K | $41.78 |
| 2025-04-15 | Zhang John Z | Option exercise | 22K | — |
| 2025-04-15 | Zhang John Z | Option exercise | 14K | — |
| 2025-04-15 | Zhang John Z | Tax withheld | 18K | $41.78 |
| 2025-04-15 | WEEKS WENDELL P | Option exercise | 150K | — |
| 2025-04-15 | WEEKS WENDELL P | Option exercise | 100K | — |
| 2025-04-15 | WEEKS WENDELL P | Tax withheld | 122K | $41.78 |
| 2025-04-15 | Verkleeren Ronald L | Option exercise | 22K | — |
| 2025-04-15 | Verkleeren Ronald L | Option exercise | 14K | — |
| 2025-04-15 | STEVERSON LEWIS A | Option exercise | 45K | — |
| 2025-04-15 | STEVERSON LEWIS A | Option exercise | 30K | — |
| 2025-04-15 | STEVERSON LEWIS A | Tax withheld | 37K | $41.78 |
| 2025-04-15 | Schlesinger Edward A | Option exercise | 24K | — |
| 2025-04-15 | Schlesinger Edward A | Option exercise | 16K | — |
| 2025-04-15 | Schlesinger Edward A | Tax withheld | 19K | $41.78 |
| 2025-04-15 | O'Day Michael Paul | Option exercise | 7.7K | — |
| 2025-04-15 | O'Day Michael Paul | Option exercise | 5.2K | — |
| 2025-04-15 | O'Day Michael Paul | Tax withheld | 5.0K | $41.78 |
| 2025-04-15 | Nelson Avery H III | Option exercise | 21K | — |
| 2025-04-15 | Nelson Avery H III | Option exercise | 14K | — |
| 2025-04-15 | Nelson Avery H III | Tax withheld | 17K | $41.78 |
| 2025-04-15 | Musser Eric S | Option exercise | 56K | — |
| 2025-04-15 | Musser Eric S | Option exercise | 38K | — |
| 2025-04-15 | Musser Eric S | Tax withheld | 46K | $41.78 |
| 2025-04-15 | Bell Michael Alan | Option exercise | 21K | — |
| 2025-04-15 | Bell Michael Alan | Option exercise | 14K | — |
| 2025-04-15 | Bell Michael Alan | Tax withheld | 14K | $41.78 |
| 2025-04-15 | Becker Stefan | Option exercise | 20K | — |
| 2025-04-15 | Becker Stefan | Option exercise | 13K | — |
| 2025-04-15 | Becker Stefan | Tax withheld | 17K | $41.78 |
| 2025-04-15 | Amin Jaymin | Option exercise | 21K | — |
| 2025-04-15 | Amin Jaymin | Option exercise | 6.4K | — |
| 2025-04-15 | Amin Jaymin | Option exercise | 7.6K | — |
| 2025-04-15 | Amin Jaymin | Tax withheld | 17K | $41.78 |
| 2025-02-28 | WEEKS WENDELL P | Sell | 56K | $50.11 |
| 2025-02-27 | WEEKS WENDELL P | Sell | 44K | $50.04 |
| 2025-02-19 | Schlesinger Edward A | Sell | 4.1K | $52.82 |
| 2025-02-18 | Zhang John Z | Sell | 14K | $52.78 |
| 2025-02-18 | Zhang John Z | Option exercise | 13K | $33.92 |
| 2025-02-10 | Verkleeren Ronald L | Tax withheld | 893 | $53.05 |
| 2025-02-10 | STEVERSON LEWIS A | Option exercise | 2.0K | — |
| 2025-02-10 | STEVERSON LEWIS A | Tax withheld | 706 | $53.05 |
| 2025-02-10 | Seetharam Soumya | Option exercise | 2.3K | — |
| 2025-02-10 | Seetharam Soumya | Tax withheld | 551 | $53.05 |
| 2025-02-10 | Schlesinger Edward A | Option exercise | 1.4K | — |
| 2025-02-10 | Schlesinger Edward A | Tax withheld | 511 | $53.05 |
| 2025-02-10 | O'Day Michael Paul | Option exercise | 1.1K | — |
| 2025-02-10 | O'Day Michael Paul | Tax withheld | 266 | $53.05 |
| 2025-02-10 | Nelson Avery H III | Option exercise | 2.5K | — |
| 2025-02-10 | Zhang John Z | Option exercise | 2.5K | — |
| 2025-02-10 | Musser Eric S | Option exercise | 3.1K | — |
| 2025-02-10 | Musser Eric S | Tax withheld | 1.1K | $53.05 |
| 2025-02-10 | Fang Li | Option exercise | 1.9K | — |
| 2025-02-10 | Fang Li | Disposition | 1.9K | $53.05 |
| 2025-02-10 | Becker Stefan | Option exercise | 2.1K | — |
| 2025-02-10 | Becker Stefan | Tax withheld | 761 | $53.05 |
| 2025-02-10 | Amin Jaymin | Option exercise | 2.6K | — |
| 2025-02-10 | Amin Jaymin | Tax withheld | 952 | $53.05 |
| 2025-02-10 | Nelson Avery H III | Tax withheld | 893 | $53.05 |
| 2025-02-10 | Zhang John Z | Tax withheld | 893 | $53.05 |
| 2025-02-10 | WEEKS WENDELL P | Option exercise | 5.7K | — |
| 2025-02-10 | WEEKS WENDELL P | Tax withheld | 2.3K | $53.05 |
| 2025-02-10 | Verkleeren Ronald L | Option exercise | 2.5K | — |
| 2025-02-07 | TOOKES HANSEL E II | Option exercise | 5.9K | — |
| 2025-02-06 | Bell Michael Alan | Other | 733 | $53.65 |
| 2025-02-04 | Amin Jaymin | Option exercise | 557 | — |
| 2025-02-04 | Amin Jaymin | Option exercise | 521 | — |
| 2025-02-04 | Amin Jaymin | Option exercise | 522 | — |
| 2025-02-04 | Amin Jaymin | Tax withheld | 1.6K | $52.04 |
| 2025-02-04 | Evenson Jeffrey W | Option exercise | 538 | — |
| 2025-02-04 | WEEKS WENDELL P | Option exercise | 3.7K | — |
| 2025-02-04 | WEEKS WENDELL P | Option exercise | 3.5K | — |
| 2025-02-04 | WEEKS WENDELL P | Option exercise | 3.8K | — |
| 2025-02-04 | WEEKS WENDELL P | Tax withheld | 11K | $52.04 |
| 2025-02-04 | STEVERSON LEWIS A | Option exercise | 1.1K | — |
| 2025-02-04 | STEVERSON LEWIS A | Option exercise | 1.0K | — |
| 2025-02-04 | STEVERSON LEWIS A | Option exercise | 1.1K | — |
| 2025-02-04 | STEVERSON LEWIS A | Tax withheld | 3.3K | $52.04 |
| 2025-02-04 | Schlesinger Edward A | Option exercise | 733 | — |
| 2025-02-04 | Schlesinger Edward A | Option exercise | 644 | — |
| 2025-02-04 | Schlesinger Edward A | Option exercise | 597 | — |
| 2025-02-04 | Schlesinger Edward A | Tax withheld | 2.0K | $52.04 |
| 2025-02-04 | O'Day Michael Paul | Option exercise | 198 | — |
| 2025-02-04 | O'Day Michael Paul | Option exercise | 185 | — |
| 2025-02-04 | O'Day Michael Paul | Option exercise | 175 | — |
| 2025-02-04 | O'Day Michael Paul | Tax withheld | 558 | $52.04 |
| 2025-02-04 | Nelson Avery H III | Option exercise | 718 | — |
| 2025-02-04 | Nelson Avery H III | Option exercise | 603 | — |
| 2025-02-04 | Nelson Avery H III | Option exercise | 522 | — |
| 2025-02-04 | Nelson Avery H III | Tax withheld | 1.8K | $52.04 |
| 2025-02-04 | Musser Eric S | Option exercise | 1.4K | — |
| 2025-02-04 | Musser Eric S | Option exercise | 1.3K | — |
| 2025-02-04 | Musser Eric S | Option exercise | 1.4K | — |
| 2025-02-04 | Musser Eric S | Tax withheld | 4.1K | $52.04 |
| 2025-02-04 | Evenson Jeffrey W | Option exercise | 586 | — |
| 2025-02-04 | Evenson Jeffrey W | Tax withheld | 1.1K | $52.04 |
| 2025-02-04 | Bell Michael Alan | Option exercise | 462 | — |
| 2025-02-04 | Bell Michael Alan | Option exercise | 432 | — |
| 2025-02-04 | Bell Michael Alan | Option exercise | 470 | — |
| 2025-02-04 | Bell Michael Alan | Tax withheld | 1.4K | $52.04 |
| 2025-01-31 | Musser Eric S | Sell | 30K | $51.92 |
| 2025-01-30 | Bell Michael Alan | Option exercise | 1.3K | $19.65 |
| 2025-01-30 | Bell Michael Alan | Sell | 2.2K | $49.87 |
| 2025-01-02 | WEEKS WENDELL P | Option exercise | 4.3K | — |
| 2025-01-02 | WEEKS WENDELL P | Tax withheld | 4.3K | $46.71 |
| 2025-01-02 | STEVERSON LEWIS A | Option exercise | 1.5K | — |
| 2025-01-02 | STEVERSON LEWIS A | Tax withheld | 1.5K | $46.71 |
| 2025-01-02 | Schlesinger Edward A | Option exercise | 1.1K | — |
| 2025-01-02 | Schlesinger Edward A | Tax withheld | 1.1K | $46.71 |
| 2025-01-02 | O'Day Michael Paul | Option exercise | 427 | — |
| 2025-01-02 | O'Day Michael Paul | Tax withheld | 427 | $46.71 |
| 2025-01-02 | Nelson Avery H III | Option exercise | 1.1K | — |
| 2025-01-02 | Nelson Avery H III | Tax withheld | 1.1K | $46.71 |
| 2025-01-02 | Musser Eric S | Option exercise | 1.8K | — |
| 2025-01-02 | Musser Eric S | Tax withheld | 1.8K | $46.71 |
| 2025-01-02 | Curran Martin J | Option exercise | 593 | — |
| 2025-01-02 | Curran Martin J | Tax withheld | 593 | $46.71 |
| 2025-01-02 | Bell Michael Alan | Option exercise | 743 | — |
| 2025-01-02 | Bell Michael Alan | Tax withheld | 743 | $46.71 |
| 2025-01-02 | Amin Jaymin | Option exercise | 877 | — |
| 2025-01-02 | Amin Jaymin | Tax withheld | 877 | $46.71 |
| 2024-12-31 | Bell Michael Alan | Option exercise | 1.7K | — |
| 2024-12-31 | Bell Michael Alan | Tax withheld | 726 | $47.52 |
All non-derivative Form 4 activity (SEC), newest first.
Notable events (8-K)
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 8-K | 2026-05-15 | 2026-05-15 | 0001206774-26-000285 ↗ |
| 8-K | 2026-05-06 | 2026-05-06 | 0001206774-26-000273 ↗ |
| 8-K | 2026-05-04 | 2026-05-04 | 0001206774-26-000266 ↗ |
| 8-K | 2026-05-04 | 2026-04-30 | 0001206774-26-000265 ↗ |
| 10-Q | 2026-05-01 | 2026-03-31 | 0000024741-26-000205 ↗ |
| 8-K | 2026-04-28 | 2026-04-28 | 0000024741-26-000198 ↗ |
| 8-K | 2026-02-27 | 2026-02-27 | 0001206774-26-000108 ↗ |
| 10-K | 2026-02-12 | 2025-12-31 | 0000024741-26-000124 ↗ |
| 8-K | 2026-01-28 | 2026-01-28 | 0000024741-26-000034 ↗ |
| 10-Q | 2025-10-31 | 2025-09-30 | 0000024741-25-000121 ↗ |
| 8-K | 2025-10-28 | 2025-10-28 | 0000024741-25-000109 ↗ |
| 8-K | 2025-10-08 | 2025-10-07 | 0001206774-25-000710 ↗ |