Robert G Potter

Insider

First SEC filing: April 23, 2008 · Latest: April 23, 2008

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.

Insider at

SCL selling Aug. 14, 2008

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 62 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

62 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
April 1, 2010	SCL	J	12	$55.89	$671	2,804 Direct	+0.43%	Acquired	126.0% (price as of 2026-08-20)
Feb. 9, 2010	SCL	J	488	$51.21	$24,990	2,792 Direct	+21.18%	Acquired	146.6% (price as of 2026-08-20)
Jan. 4, 2010	SCL	J	8	$64.81	$518	2,304 Direct	+0.35%	Acquired	94.9% (price as of 2026-08-20)
Nov. 2, 2009	SCL	J	2,946	$56.15	$165,418	0 Direct	-100.00%	Disposed	124.9% (price as of 2026-08-20)
Oct. 1, 2009	SCL	J	11	$60.08	$661	2,946 Direct	+0.37%	Acquired	110.2% (price as of 2026-08-20)
Oct. 1, 2009	SCL	J	8	$60.08	$481	2,296 Direct	+0.35%	Acquired	110.2% (price as of 2026-08-20)
July 1, 2009	SCL	J	12	$44.16	$530	2,288 Direct	+0.53%	Acquired	186.0% (price as of 2026-08-20)
July 1, 2009	SCL	J	14	$44.16	$618	2,935 Direct	+0.48%	Acquired	186.0% (price as of 2026-08-20)
April 21, 2009	SCL	A	692	$36.10	$24,981	692 Direct	—	Acquired	249.9% (price as of 2026-08-20)
April 1, 2009	SCL	J	18	$27.30	$491	2,276 Direct	+0.80%	Acquired	362.6% (price as of 2026-08-20)
April 1, 2009	SCL	J	23	$27.30	$628	2,921 Direct	+0.79%	Acquired	362.6% (price as of 2026-08-20)
Feb. 10, 2009	SCL	J	677	$36.92	$24,995	5,156 Direct	+15.11%	Acquired	242.1% (price as of 2026-08-20)
Jan. 2, 2009	SCL	J	21	$46.99	$987	4,479 Direct	+0.47%	Acquired	168.8% (price as of 2026-08-20)
Oct. 1, 2008	SCL	J	17	$54.57	$928	4,458 Direct	+0.38%	Acquired	131.4% (price as of 2026-08-20)
Aug. 19, 2008	SCL	J	8,620	$59.54	$513,235	4,441 Direct	-66.00%	Disposed	112.1% (price as of 2026-08-20)
Aug. 14, 2008	SCL	M	1,519	$29.22	$44,385	0 Direct	-100.00%	Disposed	332.2% (price as of 2026-08-20)
Aug. 14, 2008	SCL	M	1,879	$23.62	$44,382	0 Direct	-100.00%	Disposed	434.7% (price as of 2026-08-20)
Aug. 14, 2008	SCL	M	1,543	$27.62	$42,618	0 Direct	-100.00%	Disposed	357.3% (price as of 2026-08-20)
Aug. 14, 2008	SCL	M	1,793	$21.75	$38,998	0 Direct	-100.00%	Disposed	480.7% (price as of 2026-08-20)
Aug. 14, 2008	SCL	S	193	$60.24	$11,626	6,646 Direct	-2.82%	Disposed	109.7% (price as of 2026-08-20)
Aug. 14, 2008	SCL	S	500	$60.22	$30,110	6,839 Direct	-6.81%	Disposed	109.7% (price as of 2026-08-20)
Aug. 14, 2008	SCL	S	500	$60.21	$30,105	7,339 Direct	-6.38%	Disposed	109.8% (price as of 2026-08-20)
Aug. 14, 2008	SCL	S	600	$60.20	$36,120	7,839 Direct	-7.11%	Disposed	109.8% (price as of 2026-08-20)
Aug. 14, 2008	SCL	S	600	$60.10	$36,060	8,439 Direct	-6.64%	Disposed	110.1% (price as of 2026-08-20)
Aug. 14, 2008	SCL	S	144	$60.05	$8,647	9,039 Direct	-1.57%	Disposed	110.3% (price as of 2026-08-20)
Aug. 14, 2008	SCL	S	100	$59.93	$5,993	9,183 Direct	-1.08%	Disposed	110.7% (price as of 2026-08-20)
Aug. 14, 2008	SCL	S	100	$59.84	$5,984	9,283 Direct	-1.07%	Disposed	111.1% (price as of 2026-08-20)
Aug. 14, 2008	SCL	S	100	$59.79	$5,979	9,383 Direct	-1.05%	Disposed	111.2% (price as of 2026-08-20)
Aug. 14, 2008	SCL	M	1,519	$29.22	$44,385	9,483 Direct	+19.07%	Acquired	332.2% (price as of 2026-08-20)
Aug. 14, 2008	SCL	M	1,543	$27.62	$42,618	7,964 Direct	+24.03%	Acquired	357.3% (price as of 2026-08-20)
Aug. 14, 2008	SCL	M	1,879	$23.62	$44,382	6,421 Direct	+41.37%	Acquired	434.7% (price as of 2026-08-20)
Aug. 14, 2008	SCL	M	1,793	$21.75	$38,998	4,542 Direct	+65.22%	Acquired	480.7% (price as of 2026-08-20)
July 1, 2008	SCL	J	60	$45.62	$2,737	13,061 Direct	+0.46%	Acquired	176.9% (price as of 2026-08-20)
April 22, 2008	SCL	A	1,069	$41.51	$44,374	1,069 Direct	—	Acquired	204.3% (price as of 2026-08-20)
April 1, 2008	SCL	J	71	$38.23	$2,714	13,001 Direct	+0.55%	Acquired	230.4% (price as of 2026-08-20)
March 13, 2008	SCL	M	1,130	$30.97	$34,996	0 Direct	-100.00%	Disposed	307.8% (price as of 2026-08-20)
March 13, 2008	SCL	F	957	$36.54	$34,969	2,749 Direct	-25.82%	Disposed	245.6% (price as of 2026-08-20)
March 13, 2008	SCL	M	1,130	$30.97	$34,996	3,706 Direct	+43.87%	Acquired	307.8% (price as of 2026-08-20)
Feb. 12, 2008	SCL	J	466	$32.17	$14,991	12,930 Direct	+3.74%	Acquired	292.6% (price as of 2026-08-20)
Jan. 2, 2008	SCL	J	80	$32.53	$2,602	12,464 Direct	+0.65%	Acquired	288.3% (price as of 2026-08-20)
Oct. 1, 2007	SCL	J	82	$30.91	$2,535	12,384 Direct	+0.67%	Acquired	308.6% (price as of 2026-08-20)
July 2, 2007	SCL	J	82	$30.28	$2,483	12,302 Direct	+0.67%	Acquired	317.1% (price as of 2026-08-20)
April 2, 2007	SCL	J	95	$26.25	$2,494	12,220 Direct	+0.78%	Acquired	381.1% (price as of 2026-08-20)
Feb. 13, 2007	SCL	J	473	$31.70	$14,994	12,125 Direct	+4.06%	Acquired	298.4% (price as of 2026-08-20)
Jan. 3, 2007	SCL	J	318	$31.67	$10,071	11,652 Direct	+2.81%	Acquired	298.8% (price as of 2026-08-20)
Dec. 31, 2006	SCL	J	370	$31.67	$11,718	11,334 Direct	-3.16%	Disposed	298.8% (price as of 2026-08-20)
Oct. 2, 2006	SCL	J	352	$29.23	$10,289	11,704 Direct	+3.10%	Acquired	332.1% (price as of 2026-08-20)
Sept. 29, 2006	SCL	J	359	$29.23	$10,494	11,352 Direct	-3.07%	Disposed	332.1% (price as of 2026-08-20)
May 2, 2006	SCL	M	1,620	$19.75	$31,995	0 Direct	-100.00%	Disposed	539.5% (price as of 2026-08-20)
May 2, 2006	SCL	M	582	$19.75	$11,494	2,576 Direct	+29.19%	Acquired	539.5% (price as of 2026-08-20)
April 25, 2006	SCL	A	1,519	$29.22	$44,385	1,519 Direct	—	Acquired	332.2% (price as of 2026-08-20)
April 3, 2006	SCL	J	364	$29.55	$10,756	11,718 Direct	+3.21%	Acquired	327.4% (price as of 2026-08-20)
March 31, 2006	SCL	J	336	$29.55	$9,929	11,354 Direct	-2.87%	Disposed	327.4% (price as of 2026-08-20)
Feb. 14, 2006	SCL	J	571	$26.25	$14,989	11,690 Direct	+5.14%	Acquired	381.1% (price as of 2026-08-20)
Jan. 3, 2006	SCL	J	398	$26.89	$10,702	11,119 Direct	+3.71%	Acquired	369.7% (price as of 2026-08-20)
Dec. 30, 2005	SCL	J	324	$26.89	$8,712	10,721 Direct	-2.93%	Disposed	369.7% (price as of 2026-08-20)
Oct. 3, 2005	SCL	J	424	$25.06	$10,625	11,045 Direct	+3.99%	Acquired	404.0% (price as of 2026-08-20)
Sept. 30, 2005	SCL	J	312	$25.06	$7,819	10,621 Direct	-2.85%	Disposed	404.0% (price as of 2026-08-20)
July 1, 2005	SCL	J	480	$22.10	$10,608	10,933 Direct	+4.59%	Acquired	471.5% (price as of 2026-08-20)
June 30, 2005	SCL	J	298	$22.10	$6,586	10,453 Direct	-2.77%	Disposed	471.5% (price as of 2026-08-20)
April 29, 2005	SCL	M	994	$19.62	$19,502	1,994 Direct	+99.40%	Acquired	543.7% (price as of 2026-08-20)
April 29, 2005	SCL	M	994	$19.62	$19,502	0 Direct	-100.00%	Disposed	543.7% (price as of 2026-08-20)
April 1, 2005	SCL	J	451	$23.51	$10,603	10,751 Direct	+4.38%	Acquired	437.2% (price as of 2026-08-20)
March 31, 2005	SCL	J	587	$23.51	$13,800	10,300 Direct	-5.39%	Disposed	437.2% (price as of 2026-08-20)
Jan. 3, 2005	SCL	J	386	$24.36	$9,403	10,887 Direct	+3.68%	Acquired	418.5% (price as of 2026-08-20)
Oct. 1, 2004	SCL	J	390	$23.79	$9,278	10,501 Direct	+3.86%	Acquired	430.9% (price as of 2026-08-20)
July 1, 2004	SCL	J	455	$26.15	$11,898	10,111 Direct	+4.71%	Acquired	383.0% (price as of 2026-08-20)
April 27, 2004	SCL	A	1,879	$23.62	$44,382	1,879 Direct	—	Acquired	434.7% (price as of 2026-08-20)
April 1, 2004	SCL	J	484	$22.84	$11,055	9,656 Direct	+5.28%	Acquired	453.0% (price as of 2026-08-20)
Jan. 2, 2004	SCL	J	337	$25.65	$8,644	9,172 Direct	+3.81%	Acquired	392.4% (price as of 2026-08-20)
Oct. 1, 2003	SCL	J	409	$22.78	$9,317	8,835 Direct	+4.85%	Acquired	454.4% (price as of 2026-08-20)

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
April 1, 2010	SCL	Stock Awards	Common Stock (12)	$55.89	Aug. 8, 1988	12	Acquired
Feb. 9, 2010	SCL	Stock Awards	Common Stock (488)	$51.21	Aug. 8, 1988	488	Acquired
Jan. 4, 2010	SCL	Stock Awards	Common Stock (8)	$64.81	Aug. 8, 1988	8	Acquired
Nov. 2, 2009	SCL	Directors Deferred Compensation Plan	Common Stock (2,946)	$56.15	Aug. 8, 1988	2,946	Disposed
Oct. 1, 2009	SCL	Directors Deferred Compensation Plan	Common Stock (11)	$60.08	Aug. 8, 1988	11	Acquired
Oct. 1, 2009	SCL	Stock Awards	Common Stock (8)	$60.08	Aug. 8, 1988	8	Acquired
July 1, 2009	SCL	Stock Awards	Common Stock (12)	$44.16	Aug. 8, 1988	12	Acquired
July 1, 2009	SCL	Directors Deferred Compensation Plan	Common Stock (14)	$44.16	Aug. 8, 1988	14	Acquired
April 21, 2009	SCL	Stock Option	Common Stock (692)	$36.10	April 20, 2017	692	Acquired
April 1, 2009	SCL	Stock Awards	Common Stock (18)	$27.30	Aug. 8, 1988	18	Acquired
April 1, 2009	SCL	Directors Deferred Compensation Plan	Common Stock (23)	$27.30	Aug. 8, 1988	23	Acquired
Feb. 10, 2009	SCL	Directors Deferred Compensation Plan	Common Stock (677)	$36.92	Aug. 8, 1988	677	Acquired
Jan. 2, 2009	SCL	Directors Deferred Compensation Plan	Common Stock (21)	$46.99	Aug. 8, 1988	21	Acquired
Oct. 1, 2008	SCL	Directors Deferred Compensation Plan	Common Stock (17)	$54.57	Aug. 8, 1988	17	Acquired
Aug. 19, 2008	SCL	Directors Deferred Compensation Plan	Common Stock (8,620)	$59.54	Aug. 8, 1988	8,620	Disposed
Aug. 14, 2008	SCL	Stock Option	Common Stock (1,519)	$29.22	April 24, 2014	1,519	Disposed
Aug. 14, 2008	SCL	Stock Option	Common Stock (1,879)	$23.62	April 26, 2014	1,879	Disposed
Aug. 14, 2008	SCL	Stock Option	Common Stock (1,543)	$27.62	April 26, 2014	1,543	Disposed
Aug. 14, 2008	SCL	Stock Option	Common Stock (1,793)	$21.75	May 8, 2010	1,793	Disposed
July 1, 2008	SCL	Directors Deferred Compensation Plan	Common Stock (60)	$45.62	Aug. 8, 1988	60	Acquired
April 22, 2008	SCL	Stock Option	Common Stock (1,069)	$41.51	April 21, 2016	1,069	Acquired
April 1, 2008	SCL	Directors Deferred Compensation Plan	Common Stock (71)	$38.23	Aug. 8, 1988	71	Acquired
March 13, 2008	SCL	Employee Stock Option	Common Stock (1,130)	$30.97	May 4, 2008	1,130	Disposed
Feb. 12, 2008	SCL	Directors Deferred Compensation Plan	Common Stock (466)	$32.17	Aug. 8, 1988	466	Acquired
Jan. 2, 2008	SCL	Directors Deferred Compensation Plan	Common Stock (80)	$32.53	Aug. 8, 1988	80	Acquired
Oct. 1, 2007	SCL	Directors Deferred Compensation Plan	Common Stock (82)	$30.91	Aug. 8, 1988	82	Acquired
July 2, 2007	SCL	Directors Deferred Compensation Plan	Common Stock (82)	$30.28	Aug. 8, 1988	82	Acquired
April 2, 2007	SCL	Directors Deferred Compensation Plan	Common Stock (95)	$26.25	Aug. 8, 1988	95	Acquired
Feb. 13, 2007	SCL	Directors Deferred Compensation Plan	Common Stock (473)	$31.70	Aug. 8, 1988	473	Acquired
Jan. 3, 2007	SCL	Directors Deferred Compensation Plan	Common Stock (318)	$31.67	Aug. 8, 1988	318	Acquired
Dec. 31, 2006	SCL	Directors Deferred Compensation Plan	Common Stock (370)	$31.67	Aug. 8, 1988	370	Disposed
Oct. 2, 2006	SCL	Directors Deferred Compensation Plan	Common Stock (352)	$29.23	Aug. 8, 1988	352	Acquired
Sept. 29, 2006	SCL	Directors Deferred Compensation Plan	Common Stock (359)	$29.23	Aug. 8, 1988	359	Disposed
May 2, 2006	SCL	Stock Option	Common Stock (1,620)	$19.75	May 6, 2006	1,620	Disposed
April 25, 2006	SCL	Stock Option	Common Stock (1,519)	$29.22	April 24, 2014	1,519	Acquired
April 3, 2006	SCL	Directors Deferred Compensation Plan	Common Stock (364)	$29.55	Aug. 8, 1988	364	Acquired
March 31, 2006	SCL	Directors Deferred Compensation Plan	Common Stock (336)	$29.55	Aug. 18, 1988	336	Disposed
Feb. 14, 2006	SCL	Directors Deferred Compensation Plan	Common Stock (571)	$26.25	Aug. 8, 1988	571	Acquired
Jan. 3, 2006	SCL	Directors Deferred Compensation Plan	Common Stock (398)	$26.89	Aug. 8, 1988	398	Acquired
Dec. 30, 2005	SCL	Directors Deferred Compensation Plan	Common Stock (324)	$26.89	Aug. 8, 1988	324	Disposed
Oct. 3, 2005	SCL	Directors Deferred Compensation Plan	Common Stock (424)	$25.06	Aug. 8, 1988	424	Acquired
Sept. 30, 2005	SCL	Directors Deferred Compensation Plan	Common Stock (312)	$25.06	Aug. 8, 1988	312	Disposed
July 1, 2005	SCL	Directors Deferred Compensation Plan	Common Stock (480)	$22.10	Aug. 8, 1988	480	Acquired
June 30, 2005	SCL	Directors Deferred Compensation Plan	Common Stock (298)	$22.10	Aug. 8, 1988	298	Disposed
April 29, 2005	SCL	Stock Option	Common Stock (994)	$19.62	April 30, 2005	994	Disposed
April 1, 2005	SCL	Directors Deferred Compensation Plan	Common Stock (451)	$23.51	Aug. 8, 1988	451	Acquired
March 31, 2005	SCL	Directors Deferred Compensation Plan	Common Stock (587)	$23.51	Aug. 8, 1988	587	Disposed
Jan. 3, 2005	SCL	Directors Deferred Compensation Plan	Common Stock (386)	$24.36	Aug. 8, 1988	386	Acquired
Oct. 1, 2004	SCL	Directors Deferred Compensation Plan	Common Stock (390)	$23.79	Aug. 8, 1988	390	Acquired
July 1, 2004	SCL	Directors Deferred Compensation Plan	Common Stock (455)	$26.15	Aug. 8, 1988	455	Acquired
April 27, 2004	SCL	Stock Option	Common Stock (1,879)	$23.62	April 26, 2014	1,879	Acquired
April 1, 2004	SCL	Directors Deferred Compensation Plan	Common Stock (484)	$22.84	Aug. 8, 1988	484	Acquired
Jan. 2, 2004	SCL	Directors Deferred Compensation Plan	Common Stock (337)	$25.65	Aug. 8, 1988	337	Acquired
Oct. 1, 2003	SCL	Directors Deferred Compensation Plan	Common Stock (409)	$22.78	Aug. 8, 1988	409	Acquired

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