Nancy F Koehn

Insider

First SEC filing: March 18, 2004 · Latest: Feb. 14, 2007

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.
Initial holdings The stakes this person held when they first started reporting.

Insider at

SGI selling Feb. 26, 2014

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 23 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

23 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 11, 2015	SGI	A	1,653	—	—	1,653 Direct	—	Acquired	(price as of 2026-08-21)
May 11, 2015	SGI	A	1,120	—	—	6,721 Direct	+20.00%	Acquired	(price as of 2026-08-21)
May 7, 2014	SGI	A	1,419	—	—	6,231 Direct	+29.49%	Acquired	(price as of 2026-08-21)
May 7, 2014	SGI	A	1,326	—	—	1,326 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 26, 2014	SGI	S	25,000	$50.51	$1,262,750	4,182 Direct	-85.67%	Disposed	412.8% (price as of 2026-08-21)
Feb. 26, 2014	SGI	M	25,000	$15.30	$382,500	29,182 Direct	+597.80%	Acquired	1592.8% (price as of 2026-08-21)
Feb. 26, 2014	SGI	M	25,000	$15.30	$382,500	29,812 Direct	+519.53%	Acquired	1592.8% (price as of 2026-08-21)
Feb. 26, 2014	SGI	S	25,000	$50.51	$1,262,750	4,812 Direct	-83.86%	Disposed	412.8% (price as of 2026-08-21)
Feb. 26, 2014	SGI	M	25,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
May 22, 2013	SGI	A	2,553	—	—	2,553 Direct	—	Acquired	(price as of 2026-08-21)
May 22, 2013	SGI	A	982	—	—	4,182 Direct	+30.69%	Acquired	(price as of 2026-08-21)
April 25, 2012	SGI	A	1,023	—	—	1,023 Direct	—	Acquired	(price as of 2026-08-21)
April 25, 2012	SGI	A	1,028	—	—	3,200 Direct	+47.33%	Acquired	(price as of 2026-08-21)
April 26, 2011	SGI	A	679	—	—	679 Direct	—	Acquired	(price as of 2026-08-21)
April 26, 2011	SGI	A	972	—	—	2,172 Direct	+81.00%	Acquired	(price as of 2026-08-21)
Feb. 16, 2011	SGI	M	13,200	—	—	3,850 Direct	-77.42%	Disposed	(price as of 2026-08-21)
Feb. 16, 2011	SGI	M	15,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 16, 2011	SGI	S	28,200	$46.97	$1,324,554	1,200 Direct	-95.92%	Disposed	451.4% (price as of 2026-08-21)
Feb. 16, 2011	SGI	M	13,200	$11.28	$148,896	29,400 Direct	+81.48%	Acquired	2196.1% (price as of 2026-08-21)
Feb. 16, 2011	SGI	M	15,000	$12.37	$185,550	16,200 Direct	+1250.00%	Acquired	1993.8% (price as of 2026-08-21)
May 4, 2010	SGI	A	2,644	—	—	2,644 Direct	—	Acquired	(price as of 2026-08-21)
May 4, 2010	SGI	A	1,200	—	—	1,200 Direct	—	Acquired	(price as of 2026-08-21)
May 5, 2009	SGI	A	22,700	—	—	22,700 Direct	—	Acquired	(price as of 2026-08-21)
May 6, 2008	SGI	A	17,050	—	—	17,050 Direct	—	Acquired	(price as of 2026-08-21)
June 18, 2007	SGI	A	17,050	—	—	17,050 Direct	—	Acquired	(price as of 2026-08-21)
Oct. 23, 2006	SGI	A	17,050	—	—	17,050 Direct	—	Acquired	(price as of 2026-08-21)

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 11, 2015	SGI	Stock Options (right to buy)	Common Stock (1,653)	$59.82	May 10, 2025	1,653	Acquired
May 7, 2014	SGI	Stock Options (Right to buy)	Common Stock (1,326)	$52.87	May 6, 2024	1,326	Acquired
Feb. 26, 2014	SGI	Stock Options	Common Stock (25,000)	$15.30	March 12, 2014	25,000	Disposed
May 22, 2013	SGI	Stock Options (Right to buy)	Common Stock (2,553)	$43.28	May 21, 2023	2,553	Acquired
April 25, 2012	SGI	Stock Options (right to buy)	Common Stock (1,023)	$62.03	April 24, 2022	1,023	Acquired
April 26, 2011	SGI	Stock Options (right to buy)	Common Stock (679)	$61.72	April 25, 2021	679	Acquired
Feb. 16, 2011	SGI	Stock Option	Common Stock (13,200)	$11.28	May 6, 2018	13,200	Disposed
Feb. 16, 2011	SGI	Stock Option	Common Stock (15,000)	$12.37	Dec. 15, 2015	15,000	Disposed
May 4, 2010	SGI	Stock Options (right to buy)	Common Stock (2,644)	$33.33	May 4, 2020	2,644	Acquired
May 5, 2009	SGI	Stock Options (right to buy)	Common Stock (22,700)	$13.74	May 5, 2019	22,700	Acquired
May 6, 2008	SGI	Stock Options (right to buy)	Common Stock (17,050)	$11.28	May 6, 2018	17,050	Acquired
June 18, 2007	SGI	Stock Option (right to buy)	Common Stock (17,050)	$26.85	June 18, 2017	17,050	Acquired
Oct. 23, 2006	SGI	Stock Option (right to buy)	Common Stock (17,050)	$19.03	Oct. 23, 2016	17,050	Acquired

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

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
March 18, 2004	SGI	Stock Options (right to buy)→ Common Stock (25,000)	25,000	Direct