Oreola Donini

Insider

First SEC filing: Dec. 10, 2014 · Latest: Dec. 10, 2014

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 9 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

No open-market trades on record; showing all filings.

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Dec. 8, 2023	SNGX	A	90,000	—	—	90,000 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 8, 2022	SNGX	A	80,000	—	—	80,000 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 9, 2021	SNGX	A	70,000	—	—	70,000 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 10, 2020	SNGX	A	70,000	—	—	70,000 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 12, 2019	SNGX	A	60,000	—	—	60,000 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 13, 2018	SNGX	A	40,000	—	—	40,000 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 7, 2017	SNGX	A	35,000	—	—	35,000 Direct	—	Acquired	(price as of 2026-08-20)
March 31, 2017	SNGX	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 31, 2015	SNGX	A	70,000	—	—	70,000 Direct	—	Acquired	(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.

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Dec. 8, 2023	SNGX	Option (Right to Buy) [F1]	Common Stock (90,000)	$0.67	Dec. 7, 2033	90,000	Acquired
Dec. 8, 2022	SNGX	Option (Right to Buy) [F1]	Common Stock (80,000)	$0.54	Dec. 7, 2032	80,000	Acquired
Dec. 9, 2021	SNGX	Option (Right to Buy) [F1]	Common Stock (70,000)	$0.78	Dec. 8, 2031	70,000	Acquired
Dec. 10, 2020	SNGX	Option (Right to Buy) [F1]	Common Stock (70,000)	$2.34	Dec. 9, 2030	70,000	Acquired
Dec. 12, 2019	SNGX	Option (Right to Buy) [F1]	Common Stock (60,000)	$1.24	Dec. 11, 2029	60,000	Acquired
Dec. 13, 2018	SNGX	Option (Right to Buy) [F1]	Common Stock (40,000)	$0.97	Dec. 12, 2028	40,000	Acquired
Dec. 7, 2017	SNGX	Option (Right to Buy) [F1]	Common Stock (35,000)	$2.01	Dec. 6, 2027	35,000	Acquired
March 31, 2017	SNGX	Option (Right to Buy) [F1]	Common Stock (20,000)	$2.67	March 30, 2027	20,000	Acquired
Dec. 31, 2015	SNGX	Stock Option (Right to Buy) [F1]	Common Stock (70,000)	$1.13	Dec. 30, 2025	70,000	Acquired

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

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

Date	Ticker	Security	Shares	Ownership
Dec. 10, 2014	SNGX	Stock Option (Right to Buy) [F1]→ Common Stock (40,000)	40,000	Direct
Dec. 10, 2014	SNGX	Stock Option (Right to Buy) [F2]→ Common Stock (20,000)	20,000	Direct
Dec. 10, 2014	SNGX	Stock Option (Right to Buy) [F3]→ Common Stock (30,000)	30,000	Direct