DONALD BLAIR Net Worth - Insider Trades and Bio as of Jun 5, 2026

GLWCORNING INC /NYSEC CIK: 0001237789

Estimated Net Worth

$83.4 Million0.0%vs Last Year

Last Updated: May 19, 2026 03:37 AM EST

Transaction Summary

Total Transactions135

Buy-Sell Ratio0.03

Buy Transactions1

Sell Transactions40

Transaction Volume

Total Volume-$58.90M

Net Volume$59.20M

Buy Volume$150.38K

Sell Volume-$59.05M

Trade Analysis

AVG Trade Size-$480.99K

Largest Trade$205.02K

Most Active MonthJul

Most Active Year2013

Trading Sentiment

OverallBullish

Recent TradeNeutral

Last 90 Days0 Trades

ConvictionNone

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

Donald W Blair has an estimated net worth of $83.4 Million. This is based on reported shares across multiple companies, which include CORNING INC /NY, DROPBOX, INC., and NIKE INC.

2010 was Donald W Blair's most active year for acquiring shares with 16 total transactions. Donald W Blair's most active month to acquire stocks was the month of August. 2010 was Donald W Blair's most active year for disposing of shares, totalling 19 transactions. Donald W Blair's most active month to dispose stocks was the month of August. 2005 saw Donald W Blair paying a total of $3,560,000.00 for 113,000 shares, this is the most they've acquired in one year. In 2015 Donald W Blair cashed out on 238,171 shares for a total of $14,319,480.05, their largest year based on trade value.

Holdings & Transactions

GLWcorning inc /ny

Updated: Nov 05, 2024VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	—	—	—	—	Nov 05, 2024	109.95K	Options	—	Nov 01	View
From 4	0.01	342.00	$38.85	$13.29K	Jul 01, 2024	109.95K	Grant	—	Jun 28	View
From 4	0.02	1.05K	$32.96	$34.51K	Apr 01, 2024	109.61K	Grant	—	Mar 28	View
From 4	0.06	2.36K	—	—	Feb 08, 2024	108.56K	Grant	—	Feb 07	View
From 4	0.02	1.13K	$30.45	$34.50K	Jan 02, 2024	106.20K	Grant	—	Dec 29	View
From 4	0.03	1.13K	$30.47	$34.49K	Oct 02, 2023	105.07K	Grant	—	Sep 29	View
From 4	0.01	591.00	$35.04	$20.71K	Jul 03, 2023	103.93K	Grant	—	Jun 30	View
From 4	0.01	587.00	$35.28	$20.71K	Apr 04, 2023	103.34K	Grant	—	Mar 31	View
From 4	0.21	7.06K	—	—	Feb 09, 2023	102.76K	Grant	—	Feb 08	View
From 4	0.03	1.08K	$31.94	$34.50K	Jan 03, 2023	95.69K	Grant	—	Dec 30	View
From 4	0.03	1.19K	$29.02	$34.50K	Oct 04, 2022	94.61K	Grant	—	Sep 30	View
From 4	0.03	1.09K	$31.51	$34.50K	Jul 01, 2022	93.43K	Grant	—	Jun 30	View
From 4	0.02	935.00	$36.91	$34.51K	Apr 01, 2022	92.33K	Grant	—	Mar 31	View
From 4	0.17	4.80K	$42.74	$205.02K	Feb 03, 2022	74.15K	Grant	—	Feb 02	View
From 4	0.02	927.00	$37.23	$34.51K	Jan 04, 2022	69.36K	Grant	—	Dec 31	View
From 4	0.03	945.00	$36.49	$34.48K	Oct 01, 2021	68.43K	Grant	—	Sep 30	View
From 4	0.02	844.00	$40.90	$34.52K	Jul 02, 2021	67.48K	Grant	—	Jun 30	View
From 4	0.02	793.00	$43.51	$34.50K	Apr 01, 2021	66.64K	Grant	—	Mar 31	View
From 4	0.23	5.37K	—	—	Feb 04, 2021	65.85K	Grant	—	Feb 03	View
From 4	0.02	575.00	$36.00	$20.70K	Jan 05, 2021	60.48K	Grant	—	Dec 31	View
From 4	0.02	639.00	$32.41	$20.71K	Oct 02, 2020	59.91K	Grant	—	Sep 30	View
From 4	0.03	1.15K	$25.90	$29.89K	Jul 02, 2020	59.27K	Grant	—	Jun 30	View
From 4	—	1.64K	—	—	May 19, 2020	58.11K	Grant	—	May 15	View
From 4	0.05	1.68K	$20.54	$34.51K	Apr 01, 2020	56.47K	Grant	—	Mar 31	View
From 4	0.39	6.54K	—	—	Feb 07, 2020	54.79K	Grant	—	Feb 05	View
From 4	0.04	1.19K	$29.11	$34.52K	Jan 02, 2020	48.25K	Grant	—	Dec 31	View
From 4	0.04	1.21K	$28.52	$34.51K	Oct 02, 2019	47.07K	Grant	—	Sep 30	View
From 4	0.04	1.04K	$33.23	$34.53K	Jul 01, 2019	45.86K	Grant	—	Jun 28	View
From 4	0.04	1.04K	$33.10	$34.52K	Apr 01, 2019	44.82K	Grant	—	Mar 29	View
From 4	0.45	5.18K	—	—	Feb 08, 2019	43.78K	Grant	—	Feb 06	View
From 4	0.04	1.14K	$30.21	$34.53K	Jan 02, 2019	38.59K	Grant	—	Dec 31	View
From 4	0.01	149.00	$31.43	$4.68K	Dec 18, 2018	37.45K	Grant	—	Dec 14	View
From 4	0.04	1.10K	$35.30	$39.01K	Oct 01, 2018	37.30K	Grant	—	Sep 28	View
From 4	0.06	1.41K	$27.51	$38.73K	Jul 02, 2018	36.20K	Grant	—	Jun 29	View
From 4	0.06	1.38K	$27.88	$38.47K	Apr 02, 2018	34.79K	Grant	—	Mar 29	View
From 4	0.94	5.53K	—	—	Feb 09, 2018	33.41K	Grant	—	Feb 07	View
From 4	0.05	1.08K	$31.99	$34.52K	Jan 03, 2018	27.88K	Grant	—	Dec 29	View
From 4	0.00	101.00	$32.05	$3.24K	Dec 18, 2017	26.80K	Grant	—	Dec 15	View
From 4	0.06	1.26K	$29.92	$37.58K	Oct 02, 2017	26.70K	Grant	—	Sep 29	View
From 4	0.07	1.24K	$30.05	$37.38K	Jul 05, 2017	25.44K	Grant	—	Jun 30	View
From 4	0.08	1.38K	$27.00	$37.15K	Apr 04, 2017	24.20K	Grant	—	Mar 31	View
From 4	—	5.91K	—	—	Feb 03, 2017	22.82K	Grant	—	Feb 01	View
From 4	0.11	1.70K	$24.27	$41.26K	Jan 04, 2017	16.91K	Grant	—	Dec 30	View
From 4	0.01	85.00	$24.24	$2.06K	Dec 19, 2016	15.21K	Grant	—	Dec 15	View
From 4	0.09	1.23K	$23.65	$29.16K	Oct 03, 2016	15.12K	Grant	—	Sep 30	View
From 4	0.14	1.75K	$20.48	$35.90K	Jul 01, 2016	13.89K	Grant	—	Jun 30	View
From 4	0.14	1.46K	$20.89	$30.46K	Apr 01, 2016	12.14K	Grant	—	Mar 31	View
From 4	0.96	8.43K	—	—	Feb 05, 2016	17.24K	Grant	—	Feb 03	View
From 4	0.33	2.64K	$18.28	$48.26K	Jan 05, 2016	10.68K	Grant	—	Dec 31	View
From 4	0.01	52.00	$18.68	$971.36	Dec 15, 2015	8.04K	Grant	—	Dec 11	View
From 4	0.26	1.64K	$17.12	$28.03K	Oct 02, 2015	7.99K	Grant	—	Sep 30	View
From 4	0.36	1.68K	$19.73	$33.09K	Jul 02, 2015	6.35K	Grant	—	Jun 30	View
From 4	0.42	1.37K	$22.68	$31.16K	Apr 02, 2015	4.67K	Grant	—	Mar 31	View
From 4	2.11	5.97K	—	—	Feb 06, 2015	8.81K	Grant	—	Feb 04	View
From 4	1.00	1.65K	$22.93	$37.77K	Jan 02, 2015	3.30K	Grant	—	Dec 31	View
From 4	0.00	8.00	$20.63	$165.04	Dec 15, 2014	1.65K	Grant	—	Dec 12	View
From 4	—	1.64K	$19.34	$31.76K	Oct 02, 2014	1.64K	Grant	—	Sep 30	View
From 4	—	2.84K	—	—	Jul 17, 2014	2.84K	Grant	—	Jul 16	View
From 3	—	—	—	—	Jul 15, 2014	—	—	—	—	View

DBXdropbox, inc.

Updated: May 20, 2024VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	0.10	10.48K	—	—	May 20, 2024	111.12K	Grant	—	May 16	View
From 4	0.12	11.08K	—	—	May 22, 2023	100.64K	Grant	—	May 18	View
From 4	0.16	12.30K	—	—	May 23, 2022	89.56K	Grant	—	May 19	View
From 4	0.14	9.34K	—	—	May 24, 2021	77.26K	Grant	—	May 20	View
From 4	0.20	11.30K	—	—	May 26, 2020	67.93K	Grant	—	May 21	View
From 4	-0.15	10.00K	$22.63	-$226.30K	May 12, 2020	56.63K	Sale	Scheduled	May 08	View
From 4	0.25	13.30K	—	—	May 28, 2019	66.63K	Grant	—	May 23	View
From 3	—	—	—	—	Mar 22, 2018	53.33K	—	—	—	View

NKEnike inc

EVP: CFO Officer

Updated: Jul 21, 2015VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	-0.18	38.17K	$113.10	-$4.32M	Jul 21, 2015	180.24K	Tax	—	Jul 18 - 20	View
From 4	-0.19	50.00K	$64.45	-$3.82M	Mar 23, 2015	218.06K	Sale	Scheduled	Mar 20	View
From 4	-0.16	50.00K	$61.79	-$3.56M	Mar 11, 2015	268.06K	Sale	Scheduled	Mar 09	View
From 4	-0.21	1.32K	—	—	Dec 29, 2014	218.04K	Grant	Scheduled	Dec 26	View
From 4	-0.39	132.00K	$57.72	-$8.12M	Sep 29, 2014	219.32K	Sale	Scheduled	Sep 26	View
From 4	-0.17	50.00K	$50.72	-$3.10M	Sep 08, 2014	251.32K	Sale	Scheduled	Sep 05	View
From 4	-0.15	50.00K	$49.47	-$2.98M	Jul 31, 2014	301.32K	Sale	Scheduled	Jul 30	View
From 4	0.40	80.24K	$77.52	-$218.92K	Jul 22, 2014	294.32K	Grant	—	Jul 18 - 20	View
From 4	-0.01	1.45K	$78.03	-$113.46K	Jul 17, 2014	214.09K	Tax	—	Jul 15	View
From 4	-0.14	1.02K	—	—	Jul 02, 2014	215.54K	Grant	Scheduled	Jul 01	View
From 4	-0.19	1.56K	—	—	Dec 26, 2013	216.10K	Grant	Scheduled	Dec 24	View
From 4	-0.14	33.00K	$50.95	-$1.92M	Dec 03, 2013	217.66K	Sale	Scheduled	Dec 02	View
From 4	-0.12	33.00K	$49.45	-$1.82M	Nov 06, 2013	250.66K	Sale	Scheduled	Nov 05	View
From 4	-0.08	685.00	—	—	Oct 15, 2013	217.66K	Grant	Scheduled	Oct 10	View
From 4	-0.20	66.00K	$48.38	-$3.49M	Sep 30, 2013	284.28K	Sale	Scheduled	Sep 27	View
From 4	-0.14	33.00K	$43.15	-$1.64M	Sep 16, 2013	218.28K	Sale	Scheduled	Sep 12	View
From 4/A	-0.02	2.46K	$63.35	-$156.03K	Aug 08, 2013	155.27K	Tax	—	Jul 16	View
From 4	0.23	82.58K	$63.35	-$144.50K	Jul 23, 2013	458.64K	Grant	—	Jul 19 - 20	View
From 4	-0.03	4.38K	$63.50	-$278.44K	Jul 17, 2013	170.03K	Tax	—	Jul 15 - 16	View
From 4	-0.15	1.57K	—	—	Jul 11, 2013	174.38K	Grant	Scheduled	Jul 10	View
From 4	-0.17	33.00K	$41.65	-$1.54M	May 15, 2013	175.95K	Sale	Scheduled	May 14	View
From 4	-0.26	66.00K	$62.00	-$2.05M	Apr 24, 2013	208.95K	Sale	Scheduled	Apr 24	View
From 4	-0.11	33.00K	$38.65	-$1.34M	Mar 26, 2013	274.39K	Sale	Scheduled	Mar 22	View
From 4	-0.16	22.00K	$32.03	-$834.68K	Jan 02, 2013	134.48K	Sale	Scheduled	Dec 31	View
From 4	-0.14	785.00	—	—	Oct 03, 2012	67.24K	Grant	Scheduled	Oct 03	View
From 4	4.82	98.95K	—	—	Jul 24, 2012	128.03K	Grant	—	Jul 20	View
From 4	-0.24	6.34K	$93.32	-$591.65K	Jul 17, 2012	28.21K	Tax	Scheduled	Jul 15 - 17	View
From 4	-0.12	11.00K	$69.31	-$950.18K	Mar 20, 2012	86.33K	Sale	Scheduled	Mar 19	View
From 4	-0.11	11.00K	$68.06	-$922.68K	Mar 13, 2012	97.33K	Sale	Scheduled	Mar 09	View
From 4	-0.25	33.00K	$61.92	-$2.36M	Dec 30, 2011	108.33K	Sale	Scheduled	Dec 29	View
From 4	-0.32	31.30K	$60.51	-$2.25M	Dec 27, 2011	75.33K	Sale	Scheduled	Dec 23	View
From 4	-0.02	1.70K	$61.37	-$125.39K	Dec 13, 2011	106.63K	Sale	Scheduled	Dec 09	View
From 4	-0.10	11.00K	$60.12	-$783.86K	Oct 25, 2011	108.33K	Sale	Scheduled	Oct 24	View
From 4	0.75	50.57K	$91.70	-$498.02K	Jul 19, 2011	125.29K	Grant	Scheduled	Jul 15 - 17	View
From 4	-0.09	11.00K	$58.37	-$745.36K	Jul 07, 2011	118.72K	Sale	Scheduled	Jul 06	View
From 4	-0.08	11.00K	$57.12	-$717.86K	Jul 05, 2011	129.72K	Sale	Scheduled	Jun 30	View
From 4	-0.18	15.00K	$49.56	-$851.37K	Sep 22, 2010	74.20K	Sale	Scheduled	Sep 20	View
From 4	0.82	52.92K	$68.96	-$298.87K	Jul 20, 2010	124.20K	Grant	Scheduled	Jul 16 - 17	View
From 4	-0.16	15.00K	$49.59	-$852.30K	Apr 26, 2010	86.29K	Sale	Scheduled	Apr 22	View
From 4	-0.14	15.00K	$47.59	-$792.34K	Mar 30, 2010	100.88K	Sale	Scheduled	Mar 29	View
From 4	2.21	78.61K	—	—	Jul 21, 2009	120.57K	Grant	Scheduled	Jul 17	View
From 4	-0.08	3.00K	$51.54	-$154.62K	Jul 14, 2009	41.96K	Tax	Scheduled	Jul 14	View
From 4	—	50.00K	—	—	Jul 21, 2008	50.00K	Grant	Scheduled	Jul 18	View
From 4	-0.07	3.00K	$56.26	-$168.78K	Jul 14, 2008	44.37K	Tax	Scheduled	Jul 14	View
From 4	-0.15	15.00K	$41.34	-$604.80K	Oct 10, 2007	91.96K	Sale	Scheduled	Oct 09	View
From 4	—	50.00K	—	—	Jul 24, 2007	50.00K	Grant	Scheduled	Jul 20	View
From 4	-0.08	3.85K	$59.01	-$227.01K	Jul 17, 2007	46.91K	Tax	Scheduled	Jul 14	View
From 4	-0.36	20.00K	$36.42	-$903.12K	Jun 29, 2007	50.76K	Sale	Scheduled	Jun 28	View
From 4	-0.46	30.00K	$39.38	-$1.03M	Jun 01, 2007	50.13K	Sale	Scheduled	May 31	View
From 4	-0.31	30.00K	$38.13	-$952.50K	May 08, 2007	80.13K	Sale	Scheduled	May 07	View
From 4	-0.42	20.00K	$61.85	-$1.37M	Nov 21, 2006	35.01K	Sale	Scheduled	Nov 20	View
From 4	-0.17	10.00K	$59.85	-$643.12K	Oct 26, 2006	55.00K	Sale	Scheduled	Oct 25	View
From 4	7.04	44.34K	$78.89	-$106.97K	Jul 18, 2006	57.89K	Grant	Scheduled	Jul 14 - 18	View
From 4	-0.52	40.00K	$67.31	-$1.82M	Dec 16, 2005	43.30K	Sale	Scheduled	Dec 14	View
From 4	-0.34	40.00K	$64.75	-$1.62M	Nov 04, 2005	83.30K	Sale	Scheduled	Nov 02	View
From 4	4.13	31.64K	$88.50	-$120.09K	Jul 18, 2005	46.13K	Grant	—	Jul 15 - 18	View
From 4	0.65	2.00K	$75.19	$150.38K	Apr 20, 2005	14.46K	Purchase	—	Apr 18	View
From 4	-0.14	20.00K	$61.75	-$690.00K	Sep 21, 2004	122.03K	Sale	Scheduled	Sep 21	View
From 4	-0.12	20.00K	$60.75	-$650.00K	Sep 08, 2004	142.03K	Sale	Scheduled	Sep 03	View
From 4	-0.26	3.71K	$75.00	-$277.87K	Aug 27, 2004	11.99K	Sale	Scheduled	Aug 25	View
From 4	-0.02	329.00	$69.69	-$22.93K	Aug 16, 2004	15.69K	Tax	—	Aug 15	View
From 4	1.96	31.64K	$73.50	-$99.74K	Jul 19, 2004	49.02K	Grant	Scheduled	Jul 16 - 18	View
From 4	-0.19	3.77K	$69.00	-$259.78K	Jan 14, 2004	16.71K	Sale	Scheduled	Jan 12	View
From 4	-0.16	3.77K	$66.00	-$248.49K	Nov 26, 2003	20.42K	Sale	Scheduled	Nov 25	View
From 4	-0.07	1.85K	$63.00	-$116.30K	Oct 07, 2003	24.19K	Sale	Scheduled	Oct 03	View
From 4	-1.00	965.00	$60.86	-$58.73K	Sep 30, 2003	26.04K	Sale	—	Sep 26	View
From 4	-0.04	1.01K	$54.80	-$55.51K	Aug 19, 2003	27.00K	Tax	—	Aug 15	View
From 4	—	—	—	—	Jul 22, 2003	—	—	—	—	View

Benzinga

Benzinga

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

Holdings & Transactions