Deborah Rieman
CIK 1209876 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 8, 2008 · Latest: Feb. 8, 2008
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 49 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
49 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 8, 2019 | GLW | S | 2,345 | $30.05 | $70,467 | 100,813 Direct | -2.27% | Disposed | 408.6% (price as of 2026-08-19) |
| Nov. 16, 2018 | GLW | S | 4,430 | $32.30 | $143,089 | 100,813 Direct | -4.21% | Disposed | 373.2% (price as of 2026-08-19) |
| Dec. 14, 2017 | GLW | S | 2,083 | $32.16 | $66,989 | 100,813 Direct | -2.02% | Disposed | 375.2% (price as of 2026-08-19) |
| March 13, 2017 | GLW | S | 34,050 | $27.63 | $940,802 | 100,813 Direct | -25.25% | Disposed | 453.2% (price as of 2026-08-19) |
| Dec. 2, 2016 | GLW | S | 1,985 | $23.60 | $46,846 | 134,863 Direct | -1.45% | Disposed | 547.6% (price as of 2026-08-19) |
| Nov. 12, 2014 | GLW | S | 8,611 | $20.67 | $177,989 | 120,456 Direct | -6.67% | Disposed | 639.4% (price as of 2026-08-19) |
| Nov. 15, 2013 | GLW | S | 5,132 | $16.90 | $86,731 | 112,764 Direct | -4.35% | Disposed | 804.4% (price as of 2026-08-19) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Feb. 12, 2025 | GLW | Restricted Stock Unit | Common Stock (1,507) | — | — | 1,507 | Acquired |
| Feb. 7, 2024 | GLW | Restricted Stock Unit | Common Stock (7,078) | — | — | 7,078 | Acquired |
| Feb. 8, 2023 | GLW | Restricted Stock Unit | Common Stock (6,119) | — | — | 6,119 | Acquired |
| Feb. 8, 2023 | GLW | Restricted Stock Unit | Common Stock (1,059) | — | — | 1,059 | Acquired |
| Feb. 2, 2022 | GLW | Restricted Stock Unit | Common Stock (4,797) | — | — | 4,797 | Acquired |
| Feb. 3, 2021 | GLW | Restricted Stock Unit | Common Stock (5,366) | — | — | 5,366 | Acquired |
| May 15, 2020 | GLW | Restricted Stock Unit | Common Stock (1,805) | — | — | 1,805 | Acquired |
| Feb. 5, 2020 | GLW | Restricted Stock Unit | Common Stock (6,539) | — | — | 6,539 | Acquired |
| Nov. 8, 2019 | GLW | Stock Options (Right to Buy) | Common Stock (2,345) | $18.95 | Feb. 2, 2020 | 2,345 | Disposed |
| Feb. 6, 2019 | GLW | Restricted Stock Unit | Common Stock (5,182) | — | — | 5,182 | Acquired |
| Nov. 16, 2018 | GLW | Stock Options (Right to Buy) | Common Stock (4,430) | $10.75 | Feb. 3, 2019 | 4,430 | Disposed |
| Feb. 7, 2018 | GLW | Restricted Stock Unit | Common Stock (5,533) | — | — | 5,533 | Acquired |
| Dec. 14, 2017 | GLW | Stock Options (Right to Buy) | Common Stock (2,083) | $22.86 | Feb. 5, 2018 | 2,083 | Disposed |
| Feb. 1, 2017 | GLW | Restricted Stock Unit | Common Stock (5,914) | — | — | 5,914 | Acquired |
| Dec. 2, 2016 | GLW | Stock Options (Right to Buy) | Common Stock (1,985) | $22.39 | Feb. 6, 2017 | 1,985 | Disposed |
| Nov. 12, 2014 | GLW | Stock Options (Right to Buy) | Common Stock (8,611) | $11.06 | Feb. 1, 2015 | 8,611 | Disposed |
| Nov. 15, 2013 | GLW | Stock Options (Right to Buy) | Common Stock (5,132) | $11.99 | Feb. 3, 2014 | 5,132 | Disposed |
| Dec. 10, 2012 | GLW | Stock Options (Right to Buy) | Common Stock (10,000) | $4.13 | Feb. 4, 2013 | 10,000 | Disposed |
| Nov. 28, 2011 | GLW | Stock Options (Right to Buy) | Common Stock (15,000) | $6.67 | Feb. 6, 2012 | 15,000 | Disposed |
| Aug. 11, 2011 | GLW | Stock Options (Right to Buy) | Common Stock (9,050) | $9.95 | Dec. 4, 2011 | 9,050 | Disposed |
| Feb. 3, 2010 | GLW | Stock Options (Right to Buy) | Common Stock (2,345) | $18.95 | Feb. 2, 2020 | 2,345 | Acquired |
| Feb. 4, 2009 | GLW | Stock Options (Right to Buy) | Common Stock (4,430) | $10.75 | Feb. 3, 2019 | 4,430 | Acquired |
| Feb. 6, 2008 | GLW | Stock Options (Right to buy) | Common Stock (2,083) | $22.86 | Feb. 5, 2018 | 2,083 | Acquired |
| Feb. 7, 2007 | GLW | Stock Options (Right to buy) | Common Stock (1,985) | $22.39 | Feb. 6, 2017 | 1,985 | Acquired |
| Feb. 1, 2006 | GLW | Stock Options (Right to buy) | Common Stock (4,045) | $24.72 | Jan. 31, 2016 | 4,045 | Acquired |
| Feb. 2, 2005 | GLW | Stock Options (Right to buy) | Common Stock (8,611) | $11.06 | Feb. 1, 2015 | 8,611 | Acquired |
| Feb. 4, 2004 | GLW | Stock Options (Right to buy) | Common Stock (5,132) | $11.99 | Feb. 3, 2014 | 5,132 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).