Robert B Brown — SEC Insider Profile, Roles & Companies

Insider at

GLW selling May 23, 2007

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 86 non-open-market transactions below 12 months to the week close of 2026-10-23

Price change vs the latest weekly close (updated to the current quote in your browser when available), split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

86 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 23, 2007	GLW	M	26,197	$4.15	$108,718	142,197 Direct	+22.58%	Acquired	2880.5% (price as of 2026-10-23)
May 23, 2007	GLW	M	12,919	$7.74	$99,993	155,116 Direct	+9.09%	Acquired	1498.1% (price as of 2026-10-23)
May 23, 2007	GLW	S	39,116	$24.80	$970,077	116,000 Direct	-25.22%	Disposed	398.8% (price as of 2026-10-23)
May 23, 2007	GLW	M	26,197	·	·	0 Direct	-100.00%	Disposed
May 23, 2007	GLW	M	12,919	·	·	0 Direct	-100.00%	Disposed
May 22, 2007	GLW	M	40,471	$4.15	$167,955	156,471 Direct	+34.89%	Acquired	2880.5% (price as of 2026-10-23)
May 22, 2007	GLW	S	40,471	$24.81	$1,004,086	116,000 Direct	-25.86%	Disposed	398.5% (price as of 2026-10-23)
May 22, 2007	GLW	M	40,471	·	·	26,197 Direct	-60.71%	Disposed
April 26, 2007	GLW	A	500	·	·	500 Direct	·	Acquired
Feb. 14, 2007	GLW	S	20,664	$22.00	$454,608	116,000 Direct	-15.12%	Disposed	462.2% (price as of 2026-10-23)
Feb. 7, 2007	GLW	A	13,000	·	·	136,664 Direct	+10.51%	Acquired
Feb. 1, 2007	GLW	F	7,287	$20.86	$152,007	127,213 Direct	-5.42%	Disposed	493.0% (price as of 2026-10-23)
Feb. 1, 2007	GLW	F	3,549	$20.86	$74,032	123,664 Direct	-2.79%	Disposed	493.0% (price as of 2026-10-23)
Feb. 1, 2007	GLW	A	15,000	·	·	15,000 Direct	·	Acquired
Jan. 2, 2007	GLW	A	15,000	·	·	15,000 Direct	·	Acquired
Dec. 6, 2006	GLW	A	26,000	·	·	134,500 Direct	+23.96%	Acquired
Dec. 6, 2006	GLW	A	30,000	·	·	30,000 Direct	·	Acquired
Nov. 13, 2006	GLW	M	50,000	$3.80	$190,000	158,500 Direct	+46.08%	Acquired	3155.0% (price as of 2026-10-23)
Nov. 13, 2006	GLW	S	50,000	$20.65	$1,032,500	108,500 Direct	-31.55%	Disposed	499.0% (price as of 2026-10-23)
Nov. 13, 2006	GLW	M	26,666	$4.06	$108,264	135,166 Direct	+24.58%	Acquired	2946.6% (price as of 2026-10-23)
Nov. 13, 2006	GLW	M	16,666	$3.80	$63,331	151,832 Direct	+12.33%	Acquired	3155.0% (price as of 2026-10-23)
Nov. 13, 2006	GLW	S	16,666	$20.65	$344,153	135,166 Direct	-10.98%	Disposed	499.0% (price as of 2026-10-23)
Nov. 13, 2006	GLW	S	26,666	$20.65	$550,653	108,500 Direct	-19.73%	Disposed	499.0% (price as of 2026-10-23)
Nov. 13, 2006	GLW	M	50,000	·	·	16,666 Direct	-75.00%	Disposed
Nov. 13, 2006	GLW	M	16,666	·	·	0 Direct	-100.00%	Disposed
Nov. 13, 2006	GLW	M	26,666	·	·	0 Direct	-100.00%	Disposed
Aug. 24, 2006	GLW	M	40,000	$4.06	$162,400	148,500 Direct	+36.87%	Acquired	2946.6% (price as of 2026-10-23)
Aug. 24, 2006	GLW	S	40,000	$21.34	$853,600	108,500 Direct	-26.94%	Disposed	479.6% (price as of 2026-10-23)
Aug. 24, 2006	GLW	M	40,000	·	·	26,666 Direct	-60.00%	Disposed
Feb. 22, 2006	GLW	M	30,938	$7.74	$239,460	139,438 Direct	+28.51%	Acquired	1498.1% (price as of 2026-10-23)
Feb. 22, 2006	GLW	S	30,938	$24.95	$771,903	108,500 Direct	-22.19%	Disposed	395.8% (price as of 2026-10-23)
Feb. 22, 2006	GLW	M	30,938	·	·	12,919 Direct	-70.54%	Disposed
Feb. 22, 2006	GLW	I	189	$24.97	$4,719	0 Direct	-100.00%	Disposed
Feb. 15, 2006	GLW	M	78,845	$21.15	$1,667,572	187,345 Direct	+72.67%	Acquired	484.8% (price as of 2026-10-23)
Feb. 15, 2006	GLW	S	78,845	$24.27	$1,913,568	108,500 Direct	-42.09%	Disposed	409.6% (price as of 2026-10-23)
Feb. 15, 2006	GLW	M	67,081	$7.74	$519,207	175,581 Direct	+61.83%	Acquired	1498.1% (price as of 2026-10-23)
Feb. 15, 2006	GLW	S	67,081	$24.30	$1,630,068	108,500 Direct	-38.21%	Disposed	409.0% (price as of 2026-10-23)
Feb. 15, 2006	GLW	M	67,081	·	·	43,857 Direct	-60.47%	Disposed
Feb. 15, 2006	GLW	M	78,845	·	·	0 Direct	-100.00%	Disposed
Feb. 9, 2006	GLW	M	75,000	$21.15	$1,586,250	183,500 Direct	+69.12%	Acquired	484.8% (price as of 2026-10-23)
Feb. 9, 2006	GLW	S	75,000	$24.25	$1,818,750	108,500 Direct	-40.87%	Disposed	410.1% (price as of 2026-10-23)
Feb. 9, 2006	GLW	M	75,000	·	·	78,845 Direct	-48.75%	Disposed
Feb. 1, 2006	GLW	A	17,000	·	·	108,500 Direct	+18.58%	Acquired
Feb. 1, 2006	GLW	A	16,250	·	·	16,250 Direct	·	Acquired
Jan. 2, 2006	GLW	A	16,250	·	·	16,250 Direct	·	Acquired
Dec. 20, 2005	GLW	J	97	$19.83	$1,924	189 Direct	+105.43%	Acquired
Dec. 7, 2005	GLW	A	26,000	·	·	91,500 Direct	+39.69%	Acquired
Dec. 7, 2005	GLW	A	32,500	·	·	32,500 Direct	·	Acquired
Nov. 22, 2005	GLW	J	92	$21.02	$1,934	92 Direct	·	Acquired
Nov. 15, 2005	GLW	M	39,945	$9.95	$397,453	105,445 Direct	+60.98%	Acquired	1143.1% (price as of 2026-10-23)
Nov. 15, 2005	GLW	M	10,055	$9.95	$100,047	115,500 Direct	+9.54%	Acquired	1143.1% (price as of 2026-10-23)
Nov. 15, 2005	GLW	S	50,000	$19.60	$980,000	65,500 Direct	-43.29%	Disposed	531.1% (price as of 2026-10-23)
Nov. 15, 2005	GLW	M	39,945	·	·	10,055 Direct	-79.89%	Disposed
Nov. 15, 2005	GLW	M	10,055	·	·	0 Direct	-100.00%	Disposed
Nov. 14, 2005	GLW	I	22,281	$20.05	$446,734	0 Indirect	-100.00%	Disposed	516.9% (price as of 2026-10-23)
Nov. 14, 2005	GLW	M	19,500	$9.38	$182,910	85,000 Direct	+29.77%	Acquired	1218.7% (price as of 2026-10-23)
Nov. 14, 2005	GLW	M	30,000	$9.95	$298,500	115,000 Direct	+35.29%	Acquired	1143.1% (price as of 2026-10-23)
Nov. 14, 2005	GLW	S	49,500	$20.10	$994,950	65,500 Direct	-43.04%	Disposed	515.4% (price as of 2026-10-23)
Nov. 14, 2005	GLW	I	13,123	$20.05	$263,116	0 Direct	-100.00%	Disposed
Nov. 14, 2005	GLW	M	19,500	·	·	0 Direct	-100.00%	Disposed
Nov. 14, 2005	GLW	M	30,000	·	·	50,000 Direct	-37.50%	Disposed
Oct. 18, 2005	GLW	J	107	$18.10	$1,937	13,123 Direct	+0.82%	Acquired
Sept. 20, 2005	GLW	J	96	$20.09	$1,929	13,016 Direct	+0.74%	Acquired
Aug. 23, 2005	GLW	J	100	$19.24	$1,924	12,920 Direct	+0.78%	Acquired
Aug. 2, 2005	GLW	M	153,845	$15.28	$2,350,752	219,345 Direct	+234.88%	Acquired	709.5% (price as of 2026-10-23)
Aug. 2, 2005	GLW	S	153,845	$19.38	$2,981,516	65,500 Direct	-70.14%	Disposed	538.2% (price as of 2026-10-23)
Aug. 2, 2005	GLW	M	153,845	·	·	0 Direct	-100.00%	Disposed
July 19, 2005	GLW	J	100	$18.18	$1,818	12,820 Direct	+0.79%	Acquired
June 21, 2005	GLW	J	110	$16.49	$1,814	12,719 Direct	+0.87%	Acquired
May 17, 2005	GLW	J	124	$14.74	$1,828	12,609 Direct	+0.99%	Acquired
April 19, 2005	GLW	J	62	$11.69	$725	12,485 Direct	+0.50%	Acquired
March 22, 2005	GLW	J	299	$10.97	$3,280	12,423 Direct	+2.47%	Acquired
Feb. 22, 2005	GLW	J	118	$11.48	$1,355	12,124 Direct	+0.98%	Acquired
Feb. 2, 2005	GLW	A	10,500	·	·	65,500 Direct	+19.09%	Acquired
Feb. 1, 2005	GLW	A	20,500	·	·	20,500 Direct	·	Acquired
Jan. 3, 2005	GLW	A	20,500	·	·	20,500 Direct	·	Acquired
Dec. 20, 2004	GLW	J	151	$11.62	$1,755	12,006 Direct	+1.27%	Acquired
Dec. 1, 2004	GLW	A	34,000	·	·	55,000 Direct	+161.90%	Acquired
Dec. 1, 2004	GLW	A	41,000	·	·	41,000 Direct	·	Acquired
Nov. 23, 2004	GLW	J	140	$12.52	$1,753	11,856 Direct	+1.19%	Acquired
Oct. 19, 2004	GLW	J	171	$10.21	$1,746	11,716 Direct	+1.48%	Acquired
Sept. 21, 2004	GLW	J	152	$11.49	$1,746	11,544 Direct	+1.33%	Acquired
Aug. 17, 2004	GLW	J	164	$10.66	$1,748	11,392 Direct	+1.46%	Acquired
July 20, 2004	GLW	J	138	$12.69	$1,751	11,228 Direct	+1.24%	Acquired
June 22, 2004	GLW	J	143	$12.25	$1,752	11,090 Direct	+1.31%	Acquired
May 18, 2004	GLW	J	159	$11.02	$1,752	10,947 Direct	+1.47%	Acquired
April 20, 2004	GLW	J	170	$10.31	$1,753	10,789 Direct	+1.60%	Acquired
March 23, 2004	GLW	J	159	·	·	10,619 Direct	+1.52%	Acquired
March 2, 2004	GLW	J	109	·	·	10,460 Direct	+1.05%	Acquired
Feb. 17, 2004	GLW	J	130	·	·	10,351 Direct	+1.27%	Acquired
Feb. 10, 2004	GLW	J	845	·	·	10,220 Direct	+9.01%	Acquired
Feb. 2, 2004	GLW	A	16,500	·	·	16,500 Direct	·	Acquired
Jan. 2, 2004	GLW	A	16,500	·	·	16,500 Direct	·	Acquired
Dec. 23, 2003	GLW	J	97	·	·	9,376 Direct	+1.05%	Acquired
Dec. 3, 2003	GLW	A	33,000	·	·	33,000 Direct	·	Acquired
Nov. 18, 2003	GLW	J	94	·	·	9,279 Direct	+1.02%	Acquired
Oct. 21, 2003	GLW	J	92	·	·	9,185 Direct	+1.01%	Acquired
Sept. 23, 2003	GLW	J	105	·	·	9,092 Direct	+1.17%	Acquired
April 22, 2003	GLW	J	0	·	·	233,043 Direct	0.00%	Acquired
April 22, 2003	GLW	J	148	·	·	8,453 Direct	+1.78%	Acquired

Loaded 100 of 102 rows

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
May 23, 2007	GLW	Stock Options (Right to buy)	Common Stock (26,197)	$4.15	Feb. 2, 2013	26,197	Disposed
May 23, 2007	GLW	Stock Options (Right to buy)	Common Stock (12,919)	$7.74	Jan. 31, 2012	12,919	Disposed
May 22, 2007	GLW	Stock Options (Right to buy)	Common Stock (40,471)	$4.15	Feb. 2, 2013	40,471	Disposed
April 26, 2007	GLW	Stock Options (Right to buy)	Common Stock (500)	$24.91	April 25, 2017	500	Acquired
Feb. 1, 2007	GLW	Stock Options (Right to buy)	Common Stock (15,000)	$20.86	Jan. 31, 2017	15,000	Acquired
Jan. 2, 2007	GLW	Stock Options (Right to Buy)	Common Stock (15,000)	$18.85	Jan. 1, 2017	15,000	Acquired
Dec. 6, 2006	GLW	Stock Options (Right to buy)	Common Stock (30,000)	$21.89	Dec. 5, 2016	30,000	Acquired
Nov. 13, 2006	GLW	Stock Options (Right to buy)	Common Stock (50,000)	$3.80	Jan. 2, 2013	50,000	Disposed
Nov. 13, 2006	GLW	Stock Options (Right to buy)	Common Stock (16,666)	$3.80	Jan. 2, 2013	16,666	Disposed
Nov. 13, 2006	GLW	Stock Options (Right to buy)	Common Stock (26,666)	$4.06	Dec. 3, 2012	26,666	Disposed
Aug. 24, 2006	GLW	Stock Options (Right to buy)	Common Stock (40,000)	$4.06	Dec. 3, 2012	40,000	Disposed
Feb. 22, 2006	GLW	Stock Options	Common Stock (30,938)	$7.74	Jan. 31, 2012	30,938	Disposed
Feb. 22, 2006	GLW	Phantom Stock	Common Stock (189)	·	·	189	Disposed
Feb. 15, 2006	GLW	Stock Options (Right to buy)	Common Stock (67,081)	$7.74	Jan. 31, 2012	67,081	Disposed
Feb. 15, 2006	GLW	Stock Options (Right to buy)	Common Stock (78,845)	$21.15	May 14, 2006	78,845	Disposed
Feb. 9, 2006	GLW	Stock Options (Right to buy)	Common Stock (75,000)	$21.15	May 14, 2006	75,000	Disposed
Feb. 1, 2006	GLW	Stock Options (Right to buy)	Common Stock (16,250)	$24.72	Jan. 31, 2016	16,250	Acquired
Jan. 2, 2006	GLW	Stock Options (Right to buy)	Common Stock (16,250)	$19.68	Jan. 1, 2016	16,250	Acquired
Dec. 20, 2005	GLW	Phantom Stock	Common Stock (97)	·	·	97	Acquired
Dec. 7, 2005	GLW	Stock Options (Right to buy)	Common Stock (32,500)	$21.08	Dec. 6, 2015	32,500	Acquired
Nov. 22, 2005	GLW	Phantom Stock	Common Stock (92)	·	·	92	Acquired
Nov. 15, 2005	GLW	Stock Options (Right to buy)	Common Stock (39,945)	$9.95	Dec. 4, 2011	39,945	Disposed
Nov. 15, 2005	GLW	Stock Options (Right to buy)	Common Stock (10,055)	$9.95	Dec. 4, 2011	10,055	Disposed
Nov. 14, 2005	GLW	Phantom Stock	Common Stock (13,123)	·	·	13,123	Disposed
Nov. 14, 2005	GLW	Stock Options	Common Stock (19,500)	$9.38	Oct. 5, 2008	19,500	Disposed
Nov. 14, 2005	GLW	Stock Options	Common Stock (30,000)	$9.95	Dec. 4, 2011	30,000	Disposed
Oct. 18, 2005	GLW	Phantom Stock	Common Stock (107)	·	·	107	Acquired
Sept. 20, 2005	GLW	Phantom Stock	Common Stock (96)	·	·	96	Acquired
Aug. 23, 2005	GLW	Phantom Stock	Common Stock (100)	·	·	100	Acquired
Aug. 2, 2005	GLW	Stock Options (Right to buy)	Common Stock (153,845)	$15.28	Aug. 14, 2006	153,845	Disposed
July 19, 2005	GLW	Phantom Stock	Common Stock (100)	·	·	100	Acquired
June 21, 2005	GLW	Phantom Stock	Common Stock (110)	·	·	110	Acquired
May 17, 2005	GLW	Phantom Stock	Common Stock (124)	·	·	124	Acquired
April 19, 2005	GLW	Phantom Stock	Common Stock (62)	·	·	62	Acquired
March 22, 2005	GLW	Phantom Stock	Common Stock (299)	·	·	299	Acquired
Feb. 22, 2005	GLW	Phantom Stock	Common Stock (118)	·	·	118	Acquired
Feb. 1, 2005	GLW	Stock Options (Right to buy)	Common Stock (20,500)	$10.98	Jan. 31, 2015	20,500	Acquired
Jan. 3, 2005	GLW	Stock Options (Right to buy)	Common Stock (20,500)	$11.84	Jan. 2, 2015	20,500	Acquired
Dec. 20, 2004	GLW	Phantom Stock	Common Stock (151)	·	·	151	Acquired
Dec. 1, 2004	GLW	Stock Options (Right to buy)	Common Stock (41,000)	$12.70	Nov. 30, 2014	41,000	Acquired
Nov. 23, 2004	GLW	Phantom Stock	Common Stock (140)	·	·	140	Acquired
Oct. 19, 2004	GLW	Phantom Stock	Common Stock (171)	·	·	171	Acquired
Sept. 21, 2004	GLW	Phantom Stock	Common Stock (152)	·	·	152	Acquired
Aug. 17, 2004	GLW	Phantom Stock	Common Stock (164)	·	·	164	Acquired
July 20, 2004	GLW	Phantom Stock	Common Stock (138)	·	·	138	Acquired
June 22, 2004	GLW	Phantom Stock	Common Stock (143)	·	·	143	Acquired
May 18, 2004	GLW	Phantom Stock	Common Stock (159)	·	·	159	Acquired
April 20, 2004	GLW	Phantom Stock	Common Stock (170)	·	·	170	Acquired
March 23, 2004	GLW	Phantom Stock	Common Stock (159)	·	·	159	Acquired
March 2, 2004	GLW	Phantom Stock	Common Stock (109)	·	·	109	Acquired
Feb. 17, 2004	GLW	Phantom Stock	Common Stock (130)	·	·	130	Acquired
Feb. 10, 2004	GLW	Phantom Stock	Common Stock (845)	·	·	845	Acquired
Feb. 2, 2004	GLW	Stock Options (Right to buy)	Common Stock (16,500)	$12.79	Feb. 1, 2014	16,500	Acquired
Jan. 2, 2004	GLW	Stock Options (Right to buy)	Common Stock (16,500)	$10.40	Jan. 1, 2014	16,500	Acquired
Dec. 23, 2003	GLW	Phantom Stock	Common Stock (97)	·	·	97	Acquired
Dec. 3, 2003	GLW	Stock Options (Right to buy)	Common Stock (33,000)	$11.21	Dec. 2, 2013	33,000	Acquired
Nov. 18, 2003	GLW	Phantom Stock	Common Stock (94)	·	·	94	Acquired
Oct. 21, 2003	GLW	Phantom Stock	Common Stock (92)	·	·	92	Acquired
Sept. 23, 2003	GLW	Phantom Stock	Common Stock	·	Aug. 8, 1988	105	Acquired
Aug. 19, 2003	GLW	Phantom Stock	Common Stock (121)	·	Aug. 8, 1988	121	Acquired
April 22, 2003	GLW	Phantom Stock Units	Common Stock (148)	$0.00	Aug. 8, 1988	148	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Holdings reported on Form 4 15 reported holdings

Positions listed on each Form 4 without a transaction in that filing (Table I and II holdings), newest filing first.

Date	Ticker	Security	Shares	Exercise price	Expiration	Ownership
Aug. 3, 2005	GLW	Common Stock	21,560	·	·	Indirect
Feb. 3, 2005	GLW	Common Stock	20,895	·	·	Indirect
Dec. 2, 2004	GLW	Common Stock	20,725	·	·	Indirect
Aug. 20, 2003	GLW	Stock Options (Right to buy)→ Common Stock (66,666)	66,666	$3.80	Jan. 2, 2013	Direct
Aug. 20, 2003	GLW	Stock Options (Right to buy)→ Common Stock (66,666)	66,666	$4.06	Dec. 3, 2012	Direct
Aug. 20, 2003	GLW	Stock Options (Right to buy)→ Common Stock (110,938)	110,938	$7.74	Jan. 31, 2012	Direct
Aug. 20, 2003	GLW	Stock Options (Righ t to buy)→ Common Stock (19,500)	19,500	$9.38	Oct. 5, 2008	Direct
Aug. 20, 2003	GLW	Stock Options (Right to buy)→ Common Stock (153,845)	153,845	$15.28	Aug. 14, 2006	Direct
Aug. 20, 2003	GLW	Stock Options (Right to buy)→ Common Stock (153,845)	153,845	$21.15	May 14, 2006	Direct
Aug. 20, 2003	GLW	Stock Options (Right to buy)→ Common Stock (36,000)	36,000	$31.83	Nov. 30, 2009	Direct
Aug. 20, 2003	GLW	Stock Options (Right to buy)→ Common Stock (400,000)	400,000	$54.63	Dec. 21, 2010	Direct
Aug. 20, 2003	GLW	Stock Options (Right to buy)→ Common Stock (3,168)	3,168	$59.23	Dec. 5, 2005	Direct
Aug. 20, 2003	GLW	Stock Options (Right to buy)→ Common Stock (3,090)	3,090	$59.23	Oct. 5, 2008	Direct
Aug. 20, 2003	GLW	Stock Options (Right to buy)→ Common Stock (95,000)	95,000	$70.75	Dec. 5, 2010	Direct
Aug. 20, 2003	GLW	Stock Options (Right to buy)→ Common Stock (150,000)	150,000	·	June 5, 2010	Direct