Lisa Ferrero — SEC Insider Profile, Roles & Companies

Insider at

GLW selling May 22, 2017

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 59 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

59 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Nov. 30, 2018	GLW	M	14,361	·	·	36,294 Direct	+65.48%	Acquired
Nov. 30, 2018	GLW	M	11,111	·	·	47,405 Direct	+30.61%	Acquired
Nov. 30, 2018	GLW	M	11,022	·	·	58,427 Direct	+23.25%	Acquired
Nov. 30, 2018	GLW	F	17,873	$32.22	$575,868	40,554 Direct	-30.59%	Disposed	283.9% (price as of 2026-10-23)
Nov. 30, 2018	GLW	M	14,361	·	·	0 Direct	-100.00%	Disposed
Nov. 30, 2018	GLW	M	11,111	·	·	0 Direct	-100.00%	Disposed
Nov. 30, 2018	GLW	M	11,022	·	·	1,002 Direct	-91.67%	Disposed
Nov. 30, 2018	GLW	D	1,002	·	·	0 Direct	-100.00%	Disposed
April 16, 2018	GLW	M	11,023	·	·	27,331 Direct	+67.59%	Acquired
April 16, 2018	GLW	F	5,398	$27.49	$148,391	21,933 Direct	-19.75%	Disposed	349.9% (price as of 2026-10-23)
April 16, 2018	GLW	M	11,023	·	·	0 Direct	-100.00%	Disposed
April 2, 2018	GLW	A	12,024	·	·	12,024 Direct	·	Acquired
April 2, 2018	GLW	A	21,645	·	·	21,645 Direct	·	Acquired
May 22, 2017	GLW	M	500	$26.73	$13,365	16,808 Direct	+3.07%	Acquired	362.7% (price as of 2026-10-23)
May 22, 2017	GLW	M	18,000	$24.92	$448,560	34,808 Direct	+107.09%	Acquired	396.3% (price as of 2026-10-23)
May 22, 2017	GLW	M	9,000	$23.37	$210,330	43,808 Direct	+25.86%	Acquired	429.3% (price as of 2026-10-23)
May 22, 2017	GLW	M	9,000	$24.61	$221,490	52,808 Direct	+20.54%	Acquired	402.6% (price as of 2026-10-23)
May 22, 2017	GLW	S	36,500	$29.09	$1,061,785	16,308 Direct	-69.12%	Disposed	325.2% (price as of 2026-10-23)
May 22, 2017	GLW	M	10,000	$24.92	$249,200	10,000 Indirect	·	Acquired	396.3% (price as of 2026-10-23)
May 22, 2017	GLW	M	5,000	$23.37	$116,850	15,000 Indirect	+50.00%	Acquired	429.3% (price as of 2026-10-23)
May 22, 2017	GLW	M	5,000	$24.61	$123,050	20,000 Indirect	+33.33%	Acquired	402.6% (price as of 2026-10-23)
May 22, 2017	GLW	S	20,000	$29.09	$581,800	0 Indirect	-100.00%	Disposed	325.2% (price as of 2026-10-23)
May 22, 2017	GLW	M	500	·	·	0 Direct	-100.00%	Disposed
May 22, 2017	GLW	M	18,000	·	·	0 Direct	-100.00%	Disposed
May 22, 2017	GLW	M	9,000	·	·	0 Direct	-100.00%	Disposed
May 22, 2017	GLW	M	9,000	·	·	0 Direct	-100.00%	Disposed
May 22, 2017	GLW	M	10,000	·	·	0 Indirect	-100.00%	Disposed
May 22, 2017	GLW	M	5,000	·	·	0 Indirect	-100.00%	Disposed
May 22, 2017	GLW	M	5,000	·	·	0 Indirect	-100.00%	Disposed
April 17, 2017	GLW	M	12,008	·	·	21,971 Direct	+120.53%	Acquired
April 17, 2017	GLW	F	5,663	$26.54	$150,296	16,308 Direct	-25.77%	Disposed	366.1% (price as of 2026-10-23)
April 17, 2017	GLW	M	12,008	·	·	0 Direct	-100.00%	Disposed
March 31, 2017	GLW	A	20,002	·	·	20,002 Direct	·	Acquired
March 31, 2017	GLW	A	11,111	·	·	11,111 Direct	·	Acquired
Dec. 7, 2016	GLW	M	8,038	$13.33	$107,147	8,038 Indirect	·	Acquired	827.9% (price as of 2026-10-23)
Dec. 7, 2016	GLW	S	8,038	$24.11	$193,796	0 Indirect	-100.00%	Disposed	413.0% (price as of 2026-10-23)
Dec. 7, 2016	GLW	M	8,038	·	·	0 Indirect	-100.00%	Disposed
Nov. 29, 2016	GLW	M	15,182	$13.33	$202,376	25,145 Direct	+152.38%	Acquired	827.9% (price as of 2026-10-23)
Nov. 29, 2016	GLW	M	13,957	$14.50	$202,376	39,102 Direct	+55.51%	Acquired	753.0% (price as of 2026-10-23)
Nov. 29, 2016	GLW	M	13,167	$15.37	$202,377	52,269 Direct	+33.67%	Acquired	704.7% (price as of 2026-10-23)
Nov. 29, 2016	GLW	S	42,306	$24.30	$1,028,036	9,963 Direct	-80.94%	Disposed	409.0% (price as of 2026-10-23)
Nov. 29, 2016	GLW	M	15,182	·	·	0 Direct	-100.00%	Disposed
Nov. 29, 2016	GLW	M	13,957	·	·	0 Direct	-100.00%	Disposed
Nov. 29, 2016	GLW	M	13,167	·	·	0 Direct	-100.00%	Disposed
Aug. 10, 2016	GLW	M	15,000	$21.89	$328,350	24,963 Direct	+150.56%	Acquired	465.1% (price as of 2026-10-23)
Aug. 10, 2016	GLW	M	7,500	$18.85	$141,375	32,463 Direct	+30.04%	Acquired	556.2% (price as of 2026-10-23)
Aug. 10, 2016	GLW	M	7,500	$20.86	$156,450	39,963 Direct	+23.10%	Acquired	493.0% (price as of 2026-10-23)
Aug. 10, 2016	GLW	S	30,000	$22.85	$685,500	9,963 Direct	-75.07%	Disposed	441.3% (price as of 2026-10-23)
Aug. 10, 2016	GLW	M	9,000	$21.89	$197,010	9,000 Indirect	·	Acquired	465.1% (price as of 2026-10-23)
Aug. 10, 2016	GLW	M	4,500	$18.85	$84,825	13,500 Indirect	+50.00%	Acquired	556.2% (price as of 2026-10-23)
Aug. 10, 2016	GLW	M	4,500	$20.86	$93,870	18,000 Indirect	+33.33%	Acquired	493.0% (price as of 2026-10-23)
Aug. 10, 2016	GLW	S	18,000	$22.87	$411,660	0 Indirect	-100.00%	Disposed	440.8% (price as of 2026-10-23)
Aug. 10, 2016	GLW	M	15,000	·	·	0 Direct	-100.00%	Disposed
Aug. 10, 2016	GLW	M	7,500	·	·	0 Direct	-100.00%	Disposed
Aug. 10, 2016	GLW	M	7,500	·	·	0 Direct	-100.00%	Disposed
Aug. 10, 2016	GLW	M	9,000	·	·	0 Indirect	-100.00%	Disposed
Aug. 10, 2016	GLW	M	4,500	·	·	0 Indirect	-100.00%	Disposed
Aug. 10, 2016	GLW	M	4,500	·	·	0 Indirect	-100.00%	Disposed
May 31, 2016	GLW	A	7,180	·	·	7,180 Direct	·	Acquired
April 29, 2016	GLW	A	8,034	·	·	8,034 Direct	·	Acquired
April 18, 2016	GLW	M	15,941	·	·	15,941 Direct	·	Acquired
April 18, 2016	GLW	F	5,978	$20.92	$125,060	9,963 Direct	-37.50%	Disposed	491.3% (price as of 2026-10-23)
April 18, 2016	GLW	M	15,941	·	·	0 Direct	-100.00%	Disposed
March 31, 2016	GLW	A	14,361	·	·	14,361 Direct	·	Acquired
March 31, 2016	GLW	A	7,180	·	·	7,180 Direct	·	Acquired

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
Nov. 30, 2018	GLW	Restricted Stock Unit	Common Stock (14,361)	·	·	14,361	Disposed
Nov. 30, 2018	GLW	Restricted Stock Unit	Common Stock (11,111)	·	·	11,111	Disposed
Nov. 30, 2018	GLW	Restricted Stock Unit	Common Stock (11,022)	·	·	11,022	Disposed
Nov. 30, 2018	GLW	Restricted Stock Unit	Common Stock (1,002)	·	·	1,002	Disposed
April 16, 2018	GLW	Restricted Stock Unit	Common Stock (11,023)	·	·	11,023	Disposed
April 2, 2018	GLW	Restricted Stock Unit	Common Stock (12,024)	·	·	12,024	Acquired
April 2, 2018	GLW	Stock Options (Right to Buy)	Common Stock (21,645)	$27.03	April 2, 2028	21,645	Acquired
May 22, 2017	GLW	Stock Options (Right to Buy)	Common Stock (500)	$26.73	July 17, 2017	500	Disposed
May 22, 2017	GLW	Stock Options (Right to Buy)	Common Stock (18,000)	$24.92	Dec. 4, 2017	18,000	Disposed
May 22, 2017	GLW	Stock Options (Right to Buy)	Common Stock (9,000)	$23.37	Jan. 1, 2018	9,000	Disposed
May 22, 2017	GLW	Stock Options (Right to Buy)	Common Stock (9,000)	$24.61	Jan. 31, 2018	9,000	Disposed
May 22, 2017	GLW	Stock Options (Right to Buy)	Common Stock (10,000)	$24.92	Dec. 4, 2017	10,000	Disposed
May 22, 2017	GLW	Stock Options (Right to Buy)	Common Stock (5,000)	$23.37	Jan. 1, 2018	5,000	Disposed
May 22, 2017	GLW	Stock Options (Right to Buy)	Common Stock (5,000)	$24.61	Jan. 31, 2018	5,000	Disposed
April 17, 2017	GLW	Restricted Stock Unit	Common Stock (12,008)	·	·	12,008	Disposed
March 31, 2017	GLW	Stock Options (Right to Buy)	Common Stock (20,002)	$27.00	March 31, 2027	20,002	Acquired
March 31, 2017	GLW	Restricted Stock Unit	Common Stock (11,111)	·	·	11,111	Acquired
Dec. 7, 2016	GLW	Stock Options (Right to Buy)	Common Stock (8,038)	$13.33	March 28, 2023	8,038	Disposed
Nov. 29, 2016	GLW	Stock Options (Right to Buy)	Common Stock (15,182)	$13.33	March 28, 2023	15,182	Disposed
Nov. 29, 2016	GLW	Stock Options (Right to Buy)	Common Stock (13,957)	$14.50	April 30, 2023	13,957	Disposed
Nov. 29, 2016	GLW	Stock Options (Right to Buy)	Common Stock (13,167)	$15.37	May 31, 2023	13,167	Disposed
Aug. 10, 2016	GLW	Stock Options (Right to Buy)	Common Stock (15,000)	$21.89	Dec. 5, 2016	15,000	Disposed
Aug. 10, 2016	GLW	Stock Options (Right to Buy)	Common Stock (7,500)	$18.85	Jan. 1, 2017	7,500	Disposed
Aug. 10, 2016	GLW	Stock Options (Right to Buy)	Common Stock (7,500)	$20.86	Jan. 31, 2017	7,500	Disposed
Aug. 10, 2016	GLW	Stock Options (Right to Buy)	Common Stock (9,000)	$21.89	Dec. 5, 2016	9,000	Disposed
Aug. 10, 2016	GLW	Stock Options (Right to Buy)	Common Stock (4,500)	$18.85	Jan. 1, 2017	4,500	Disposed
Aug. 10, 2016	GLW	Stock Options (Right to Buy)	Common Stock (4,500)	$20.86	Jan. 31, 2017	4,500	Disposed
May 31, 2016	GLW	Stock Options (Right to Buy)	Common Stock (7,180)	$20.89	May 31, 2026	7,180	Acquired
April 29, 2016	GLW	Stock Options (Right to Buy)	Common Stock (8,034)	$18.67	April 29, 2026	8,034	Acquired
April 18, 2016	GLW	Restricted Stock Unit	Common Stock (15,941)	·	·	15,941	Disposed
March 31, 2016	GLW	Restricted Stock Unit	Common Stock (14,361)	·	·	14,361	Acquired
March 31, 2016	GLW	Stock Options (Right to Buy)	Common Stock (7,180)	$20.89	March 31, 2026	7,180	Acquired

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

Initial ownership (Form 3) 43 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Jan. 6, 2016	GLW	Common Stock	0	Direct
Jan. 6, 2016	GLW	Restricted Stock Unit→ Common Stock (15,941)	15,941	Direct
Jan. 6, 2016	GLW	Restricted Stock Unit→ Common Stock (12,008)	12,008	Direct
Jan. 6, 2016	GLW	Restricted Stock Unit→ Common Stock (11,023)	11,023	Direct
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (15,000)	15,000	Direct
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (500)	500	Direct
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (18,000)	18,000	Direct
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (7,500)	7,500	Direct
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (8,250)	8,250	Direct
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (9,000)	9,000	Direct
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (7,500)	7,500	Direct
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (8,333)	8,333	Direct
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (8,333)	8,333	Direct
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (9,000)	9,000	Direct
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (8,334)	8,334	Direct
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (8,203)	8,203	Direct
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (6,937)	6,937	Direct
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (7,145)	7,145	Direct
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (15,182)	15,182	Direct
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (13,957)	13,957	Direct
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (13,167)	13,167	Direct
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (6,004)	6,004	Direct
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (5,978)	5,978	Direct
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (5,869)	5,869	Direct
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (5,511)	5,511	Direct
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (5,972)	5,972	Direct
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (5,975)	5,975	Direct
Jan. 6, 2016	GLW	Common Stock - Held by Spouse	0	Indirect
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (4,500)	4,500	Indirect
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (5,000)	5,000	Indirect
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (4,343)	4,343	Indirect
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (4,333)	4,333	Indirect
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (4,333)	4,333	Indirect
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (10,000)	10,000	Indirect
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (9,000)	9,000	Indirect
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (5,000)	5,000	Indirect
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (4,500)	4,500	Indirect
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (5,000)	5,000	Indirect
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (4,334)	4,334	Indirect
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (3,673)	3,673	Indirect
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (3,783)	3,783	Indirect
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (8,038)	8,038	Indirect
Jan. 6, 2016	GLW	Stock Options (Right to Buy)→ Common Stock (500)	500	Indirect