David V Smith

Insider

First SEC filing: Jan. 14, 2022 · Latest: Jan. 14, 2022

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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

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 25 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

25 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 17, 2026	CDXS	A	66,350	—	—	66,350 Direct	—	Acquired	(price as of 2026-08-19)
June 10, 2025	CDXS	A	40,983	—	—	105,705 Direct	+63.32%	Acquired	(price as of 2026-08-19)
June 11, 2024	CDXS	A	30,120	—	—	64,722 Direct	+87.05%	Acquired	(price as of 2026-08-19)
June 11, 2018	CDXS	A	5,923	—	—	5,923 Direct	—	Acquired	(price as of 2026-08-19)
April 3, 2018	CDXS	S 10b5-1	6,000	$10.37	$62,220	56,679 Indirect	-9.57%	Disposed	-84.9% (price as of 2026-08-19)
June 14, 2017	CDXS	A	17,894	—	—	62,679 Direct	+39.96%	Acquired	(price as of 2026-08-19)
June 15, 2016	CDXS	A	20,094	—	—	44,785 Direct	+81.38%	Acquired	(price as of 2026-08-19)
May 26, 2016	ACHV	A	22,500	—	—	22,500 Direct	—	Acquired	(price as of 2026-08-19)
May 20, 2016	ACHV	M	2,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
May 20, 2016	ACHV	M	2,500	—	—	9,500 Direct	+35.71%	Acquired	(price as of 2026-08-19)
March 1, 2016	CDXS	A	24,691	—	—	24,691 Direct	—	Acquired	(price as of 2026-08-19)
May 21, 2015	ACHV	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-19)
May 21, 2015	ACHV	A	5,000	—	—	5,000 Direct	—	Acquired	(price as of 2026-08-19)
May 20, 2015	ACHV	M	2,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
May 20, 2015	ACHV	M	2,500	—	—	7,000 Direct	+55.56%	Acquired	(price as of 2026-08-19)
June 5, 2014	ACHV	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-19)
June 5, 2014	ACHV	A	5,000	—	—	5,000 Direct	—	Acquired	(price as of 2026-08-19)
June 5, 2014	ACHV	M	2,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
June 5, 2014	ACHV	M	2,500	—	—	4,500 Direct	+125.00%	Acquired	(price as of 2026-08-19)
May 24, 2013	ACHV	A	5,000	—	—	5,000 Direct	—	Acquired	(price as of 2026-08-19)
May 24, 2013	ACHV	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-19)
May 23, 2013	ACHV	M	2,000	$10.64	$21,280	2,000 Direct	—	Acquired	-100.0% (price as of 2026-08-19)
May 23, 2013	ACHV	M	0	—	—	0 Direct	—	Disposed	(price as of 2026-08-19)
May 31, 2012	ACHV	A	2,000	—	—	2,000 Direct	—	Acquired	(price as of 2026-08-19)
May 31, 2012	ACHV	A	4,000	—	—	4,000 Direct	—	Acquired	(price as of 2026-08-19)
Aug. 9, 2010	ACHV	A	5,500	—	—	5,500 Direct	—	Acquired	(price as of 2026-08-19)

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 17, 2026	CDXS	Stock Option (Right to Buy)	Common Stock (66,350)	$2.48	June 17, 2036	66,350	Acquired
May 26, 2016	ACHV	Stock Option (right to buy)	Common Stock (22,500)	$1.00	May 26, 2026	22,500	Acquired
May 20, 2016	ACHV	Restricted Stock Unit (RSU)	Common Stock (2,500)	—	—	2,500	Disposed
May 21, 2015	ACHV	Restricted Stock Unit (RSU)	Common Stock (2,500)	—	—	2,500	Acquired
May 21, 2015	ACHV	Stock Option (right to buy)	Common Stock (5,000)	$1.89	May 21, 2025	5,000	Acquired
May 20, 2015	ACHV	Restricted Stock Unit (RSU)	Common Stock (2,500)	—	—	2,500	Disposed
June 5, 2014	ACHV	Restricted Stock Unit (RSU)	Common Stock (2,500)	—	—	2,500	Acquired
June 5, 2014	ACHV	Stock Option (right to buy)	Common Stock (5,000)	$3.62	June 5, 2024	5,000	Acquired
June 5, 2014	ACHV	Restricted Stock Unit (RSU)	Common Stock (2,500)	—	July 7, 2014	2,500	Disposed
May 24, 2013	ACHV	Stock Option (right to buy)	Common Stock (5,000)	$10.73	May 24, 2023	5,000	Acquired
May 24, 2013	ACHV	Restricted Stock Unit (RSU)	Common Stock (2,500)	—	—	2,500	Acquired
May 23, 2013	ACHV	Restricted Stock Unit (RSU)	Common Stock (2,000)	—	June 21, 2013	0	Disposed
May 31, 2012	ACHV	Restricted Stock Unit	Common (2,000)	—	—	2,000	Acquired
May 31, 2012	ACHV	Stock Option (right to buy)	Common (4,000)	$12.56	May 31, 2022	4,000	Acquired
Aug. 9, 2010	ACHV	Employee Stock Option (Right to Buy)	Common Stock (5,500)	$15.11	Aug. 9, 2020	5,500	Acquired

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