Karen Shoos Lipton

Insider

First SEC filing: May 27, 2005 · Latest: May 27, 2005

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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

CLDX selling Dec. 6, 2013

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 28 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

28 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 13, 2024	CLDX	A	16,500	—	—	16,500 Direct	—	Acquired	(price as of 2026-08-21)
June 15, 2023	CLDX	A	11,300	—	—	11,300 Direct	—	Acquired	(price as of 2026-08-21)
June 16, 2022	CLDX	A	13,600	—	—	13,600 Direct	—	Acquired	(price as of 2026-08-21)
June 17, 2021	CLDX	A	12,000	—	—	12,000 Direct	—	Acquired	(price as of 2026-08-21)
June 18, 2020	CLDX	A	11,000	—	—	11,000 Direct	—	Acquired	(price as of 2026-08-21)
June 19, 2019	CLDX	A	4,500	—	—	4,500 Direct	—	Acquired	(price as of 2026-08-21)
June 13, 2018	CLDX	A	67,000	—	—	67,000 Direct	—	Acquired	(price as of 2026-08-21)
June 15, 2017	CLDX	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-21)
June 15, 2017	CLDX	A	10,000	—	—	41,833 Direct	+31.41%	Acquired	(price as of 2026-08-21)
June 10, 2015	CLDX	A	10,300	—	—	10,300 Direct	—	Acquired	(price as of 2026-08-21)
June 10, 2015	CLDX	A	6,500	—	—	21,833 Direct	+42.39%	Acquired	(price as of 2026-08-21)
June 4, 2014	CLDX	A	2,000	—	—	2,000 Direct	—	Acquired	(price as of 2026-08-21)
June 4, 2014	CLDX	A	2,000	—	—	15,333 Direct	+15.00%	Acquired	(price as of 2026-08-21)
Dec. 6, 2013	CLDX	M	17,728	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Dec. 6, 2013	CLDX	S	17,728	$24.50	$434,336	13,333 Direct	-57.07%	Disposed	-89.0% (price as of 2026-08-21)
Dec. 6, 2013	CLDX	M	17,728	$8.16	$144,660	31,061 Direct	+132.96%	Acquired	-66.8% (price as of 2026-08-21)
June 19, 2013	CLDX	A	2,000	—	—	2,000 Direct	—	Acquired	(price as of 2026-08-21)
June 19, 2013	CLDX	A	2,000	—	—	13,333 Direct	+17.65%	Acquired	(price as of 2026-08-21)
June 20, 2012	CLDX	A	2,000	—	—	11,333 Direct	+21.43%	Acquired	(price as of 2026-08-21)
June 22, 2011	CLDX	A	2,000	—	—	2,000 Direct	—	Acquired	(price as of 2026-08-21)
Sept. 22, 2010	CLDX	A	2,000	—	—	2,000 Direct	—	Acquired	(price as of 2026-08-21)
Sept. 16, 2010	CLDX	P	3,000	$3.74	$11,220	3,000 Direct	—	Acquired	-27.6% (price as of 2026-08-21)
Dec. 23, 2009	CLDX	A	2,000	—	—	2,000 Direct	—	Acquired	(price as of 2026-08-21)
Sept. 25, 2008	CLDX	A	12,000	—	—	12,000 Direct	—	Acquired	(price as of 2026-08-21)
March 7, 2008	CLDX	A	17,728	$8.16	$144,660	17,728 Direct	—	Acquired	-97.2% (price as of 2026-08-21)
May 24, 2007	CLDX	A	12,500	$0.96	$12,000	78,500 Direct	+18.94%	Acquired	-76.5% (price as of 2026-08-21)
May 25, 2006	CLDX	A	10,000	$1.76	$17,600	66,000 Direct	+17.86%	Acquired	-87.2% (price as of 2026-08-21)
May 15, 2006	CLDX	C	4,000	$1.23	$4,920	56,000 Direct	-6.67%	Disposed	-81.7% (price as of 2026-08-21)
May 15, 2006	CLDX	M	4,000	$1.23	$4,920	4,000 Direct	—	Acquired	-81.7% (price as of 2026-08-21)
May 26, 2005	CLDX	A	10,000	$1.45	$14,500	60,000 Direct	+20.00%	Acquired	-84.4% (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
June 13, 2024	CLDX	Non-Qualified Stock Option (right to buy) [F1]	Common Stock (16,500)	$36.43	June 13, 2034	16,500	Acquired
June 15, 2023	CLDX	Non-Qualified Stock Option (right to buy) [F1]	Common Stock (11,300)	$36.87	June 15, 2033	11,300	Acquired
June 16, 2022	CLDX	Non-Qualified Stock Option (right to buy) [F1]	Common Stock (13,600)	$22.48	June 16, 2032	13,600	Acquired
June 17, 2021	CLDX	Non-Qualified Stock Option (right to buy) [F1]	Common Stock (12,000)	$28.00	June 17, 2031	12,000	Acquired
June 18, 2020	CLDX	Non-Qualified Stock Option (right to buy) [F1]	Common Stock (11,000)	$10.38	June 18, 2030	11,000	Acquired
June 19, 2019	CLDX	Non-Qualified Stock Option (right to buy) [F1]	Common Stock (4,500)	$2.78	June 19, 2029	4,500	Acquired
June 13, 2018	CLDX	Non-Qualified Stock Option (right to buy) [F1]	Common Stock (67,000)	$0.60	June 13, 2028	67,000	Acquired
June 15, 2017	CLDX	Non-Qualified Stock Option (right to buy) [F2]	Common Stock (15,000)	$2.32	June 15, 2027	15,000	Acquired
June 10, 2015	CLDX	Non-Qualified Stock Option (right to buy) [F2]	Common Stock (10,300)	$25.41	June 10, 2025	10,300	Acquired
June 4, 2014	CLDX	Non-Qualified Stock Option (right to buy) [F2]	Common Stock (2,000)	$13.45	June 4, 2024	2,000	Acquired
Dec. 6, 2013	CLDX	Non-Qualified Stock Option	Common Stock (17,728)	$8.16	March 7, 2015	17,728	Disposed
June 19, 2013	CLDX	Non-Qualified Stock Option (right to buy) [F2]	Common Stock (2,000)	$15.20	June 19, 2023	2,000	Acquired
Sept. 25, 2008	CLDX	Non-Qualified Stock Option (right to buy) [F1]	Common Stock (12,000)	$11.65	Sept. 25, 2018	12,000	Acquired
March 7, 2008	CLDX	Non-Qualified Stock Option	Common Stock (17,728)	—	March 7, 2015	17,728	Acquired
May 24, 2007	CLDX	Non-Qualified Stock Option	Common Stock (12,500)	$0.96	May 24, 2017	12,500	Acquired
May 25, 2006	CLDX	Non-Qualified Stock Option	Common Stock (10,000)	$1.76	May 25, 2016	10,000	Acquired
May 15, 2006	CLDX	Non-Qualified Sock Option	Common Stock (4,000)	$1.23	May 15, 2012	4,000	Disposed
May 26, 2005	CLDX	Non-Qualified Stock Option	Common Stock (10,000)	$1.45	May 26, 2015	10,000	Acquired

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