Karen R Krumeich

Insider

First SEC filing: June 22, 2016 · Latest: June 22, 2016

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 4 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. 13, 2018	SNGX	A	40,000	—	—	40,000 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 7, 2017	SNGX	A	35,000	—	—	35,000 Direct	—	Acquired	(price as of 2026-08-21)
March 31, 2017	SNGX	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-21)
June 16, 2016	SNGX	A	100,000	—	—	100,000 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.

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

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
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
June 16, 2016	SNGX	Option (Right to Buy) [F1]	Common Stock (100,000)	$0.74	June 15, 2026	100,000	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
June 22, 2016	SNGX	Common Stock	13,000	Direct