Gary S Jacob — SEC Insider Profile, Roles & Companies

Insider at

CRDF buying March 23, 2021 OKYO buying July 21, 2026

Insider transactions

1 buys (P) 0 sells (S) Net: $4,900 + 26 non-open-market transactions below Avg return of open purchases vs now: 5.0% 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

26 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 21, 2026	OKYO	P	3,500	$1.40	$4,900	112,420 Direct	+3.21%	Acquired	5.0% (price as of 2026-10-02)
July 21, 2026	OKYO	A	3,500	$1.40	$4,900	112,420 Direct	+3.21%	Acquired	5.0% (price as of 2026-10-02)
May 19, 2022	OKYO	P	12,500	$4.00	$50,000	12,500 Direct	·	Acquired	-63.3% (price as of 2026-10-02)
June 10, 2021	CRDF	J	28,858	·	·	76,106 Direct	+61.08%	Acquired	(price as of 2026-10-02)
June 10, 2021	CRDF	J	293	·	·	76,106 Direct	+0.39%	Acquired	(price as of 2026-10-02)
June 10, 2021	CRDF	J	218	·	·	76,106 Direct	+0.29%	Acquired	(price as of 2026-10-02)
June 10, 2021	CRDF	J	223	·	·	76,106 Direct	+0.29%	Acquired	(price as of 2026-10-02)
June 10, 2021	CRDF	J	223	·	·	76,106 Direct	+0.29%	Acquired	(price as of 2026-10-02)
June 10, 2021	CRDF	J	530	·	·	76,106 Direct	+0.70%	Acquired	(price as of 2026-10-02)
June 10, 2021	CRDF	J	755	·	·	76,106 Direct	+1.00%	Acquired	(price as of 2026-10-02)
June 10, 2021	CRDF	J	44,734	·	·	76,106 Direct	+142.59%	Acquired	(price as of 2026-10-02)
March 23, 2021	CRDF	P	1,900	$10.42	$19,798	21,452 Direct	+9.72%	Acquired	-89.3% (price as of 2026-10-02)
March 23, 2021	CRDF	P	470	$10.40	$4,888	21,922 Direct	+2.19%	Acquired	-89.2% (price as of 2026-10-02)
June 17, 2020	CRDF	A	28,858	·	·	76,106 Direct	+61.08%	Acquired	(price as of 2026-10-02)
May 14, 2020	CRDF	P	17,483	$1.43	$25,001	19,552 Direct	+845.00%	Acquired	-21.7% (price as of 2026-10-02)
June 20, 2019	CRDF	A	44,734	·	·	48,071 Direct	+1340.55%	Acquired	(price as of 2026-10-02)
Jan. 23, 2018	CRDF	A	54,322	·	·	248,101 Direct	+28.03%	Acquired	(price as of 2026-10-02)
Jan. 2, 2018	CRDF	M	16,667	·	·	0 Direct	-100.00%	Disposed	(price as of 2026-10-02)
Jan. 2, 2018	CRDF	M	16,667	·	·	148,954 Direct	+12.60%	Acquired	(price as of 2026-10-02)
Oct. 4, 2017	CRDF	A	38,106	·	·	193,779 Direct	+24.48%	Acquired	(price as of 2026-10-02)
Sept. 2, 2017	CRDF	M	9,287	·	·	16,667 Direct	-35.78%	Disposed	(price as of 2026-10-02)
Sept. 2, 2017	CRDF	M	9,287	·	·	132,287 Direct	+7.55%	Acquired	(price as of 2026-10-02)
Jan. 2, 2017	CRDF	A	9,287	·	·	25,954 Direct	+55.72%	Acquired	(price as of 2026-10-02)
Jan. 2, 2017	CRDF	A	16,667	·	·	16,667 Direct	·	Acquired	(price as of 2026-10-02)
Jan. 2, 2017	CRDF	A	16,667	·	·	16,667 Direct	·	Acquired	(price as of 2026-10-02)
Jan. 4, 2016	CRDF	A	16,000	·	·	155,673 Direct	+11.46%	Acquired	(price as of 2026-10-02)
March 17, 2015	CRDF	A	16,000	·	·	139,673 Direct	+12.94%	Acquired	(price as of 2026-10-02)
Dec. 11, 2014	CRDF	A	15,667	·	·	123,673 Direct	+14.51%	Acquired	(price as of 2026-10-02)
Feb. 25, 2014	CRDF	A	21,035	·	·	108,006 Direct	+24.19%	Acquired	(price as of 2026-10-02)
Feb. 14, 2013	CRDF	A	13,471	·	·	86,971 Direct	+18.33%	Acquired	(price as of 2026-10-02)
Jan. 26, 2012	CRDF	A	36,000	·	·	441,000 Direct	+8.89%	Acquired	(price as of 2026-10-02)

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 10, 2021	CRDF	Stock Options	Common Stock (28,858)	$2.60	June 10, 2023	28,858	Acquired
June 10, 2021	CRDF	Stock Options	Common Stock (293)	$447.84	June 10, 2023	293	Acquired
June 10, 2021	CRDF	Stock Options	Common Stock (218)	$316.08	June 10, 2023	218	Acquired
June 10, 2021	CRDF	Stock Options	Common Stock (223)	$516.96	June 10, 2023	223	Acquired
June 10, 2021	CRDF	Stock Options	Common Stock (223)	$372.96	June 10, 2023	223	Acquired
June 10, 2021	CRDF	Stock Options	Common Stock (530)	$51.84	June 10, 2023	530	Acquired
June 10, 2021	CRDF	Stock Options	Common Stock (755)	$21.60	June 10, 2023	755	Acquired
June 10, 2021	CRDF	Stock Options	Common Stock (44,734)	$2.48	June 10, 2023	44,734	Acquired
June 17, 2020	CRDF	Stock Options	Common Stock (28,858)	$2.60	June 17, 2030	28,858	Acquired
June 20, 2019	CRDF	Stock Options	Common Stock (44,734)	$2.48	June 20, 2019	44,734	Acquired
Jan. 23, 2018	CRDF	Stock Options	Common Stock (54,322)	$0.30	Jan. 23, 2028	54,322	Acquired
Jan. 2, 2018	CRDF	Restricted Stock Units	Common Stock (16,667)	·	·	16,667	Disposed
Oct. 4, 2017	CRDF	Stock Options	Common Stock (38,106)	$0.72	Oct. 4, 2027	38,106	Acquired
Sept. 2, 2017	CRDF	Restricted Stock Units	Common Stock (16,667)	·	·	9,287	Disposed
Jan. 2, 2017	CRDF	Restricted Stock Units	Common Stock (9,287)	·	·	9,287	Acquired
Jan. 2, 2017	CRDF	Restricted Stock Units	Common Stock (16,667)	·	·	16,667	Acquired
Jan. 2, 2017	CRDF	Restricted Stock Units	Common Stock (16,667)	·	·	16,667	Acquired
Jan. 4, 2016	CRDF	Stock Options	Common Stock (16,000)	$5.18	Jan. 4, 2026	16,000	Acquired
March 17, 2015	CRDF	Stock Options	Common Stock (16,000)	$7.18	March 17, 2025	16,000	Acquired
Dec. 11, 2014	CRDF	Stock Options	Common Stock (15,667)	$4.39	Dec. 11, 2024	15,667	Acquired
Feb. 25, 2014	CRDF	Stock Options	Common Stock (21,035)	$6.22	Feb. 25, 2024	21,035	Acquired
Feb. 14, 2013	CRDF	Stock Options	Common Stock (13,471)	$6.94	Feb. 14, 2023	13,471	Acquired
Jan. 26, 2012	CRDF	Stock Options	Common Stock (36,000)	$0.55	Jan. 26, 2022	36,000	Acquired

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

Initial ownership (Form 3) 27 holdings

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

Date	Ticker	Security	Shares	Ownership
March 18, 2026	OKYO	COMMON STOCK	108,920	Direct
March 18, 2026	OKYO	Options→ common stock (21,154)	21,154	Direct
March 18, 2026	OKYO	Options→ common stock (21,154)	21,154	Direct
March 18, 2026	OKYO	Options→ common stock (21,154)	21,154	Direct
March 18, 2026	OKYO	Options→ common stock (21,154)	21,154	Direct
March 18, 2026	OKYO	Options→ common stock (16,666)	16,666	Direct
March 18, 2026	OKYO	Options→ common stock (16,666)	16,666	Direct
March 18, 2026	OKYO	Options→ common stock (16,667)	16,667	Direct
March 18, 2026	OKYO	Options→ common stock (102,653)	102,653	Direct
March 18, 2026	OKYO	Options→ common stock (102,653)	102,653	Direct
March 18, 2026	OKYO	Options→ common stock (102,564)	102,564	Direct
March 18, 2026	OKYO	Options→ common stock (50,000)	50,000	Direct
March 18, 2026	OKYO	Options→ common stock (50,000)	50,000	Direct
March 18, 2026	OKYO	Options→ common stock (50,000)	50,000	Direct
March 18, 2026	OKYO	Options→ common stock (50,000)	50,000	Direct
March 18, 2026	OKYO	Options→ common stock (89,356)	89,356	Direct
March 18, 2026	OKYO	Options→ common stock (89,356)	89,356	Direct
March 18, 2026	OKYO	Options→ common stock (89,356)	89,356	Direct
March 18, 2026	OKYO	Options→ common stock (89,356)	89,356	Direct
May 16, 2022	OKYO	Option (right to buy)→ Ordinary Shares (40,000,000)	40,000,000	Direct
May 16, 2022	OKYO	Option (right to buy)→ Ordinary Shares (13,000,000)	13,000,000	Direct
Jan. 24, 2012	CRDF	Common Stock	738,000	Direct
Jan. 24, 2012	CRDF	Stock Options→ Common Stock (50,000)	50,000	Direct
Jan. 24, 2012	CRDF	Stock Options→ Common Stock (300,000)	300,000	Direct
Jan. 24, 2012	CRDF	Stock Options→ Common Stock (50,000)	50,000	Direct
Jan. 24, 2012	CRDF	Stock Options→ Common Stock (5,000)	5,000	Direct
Jan. 24, 2012	CRDF	Warrants→ Common Stock (63,000)	63,000	Direct