Faye Feller

Insider

First SEC filing: July 12, 2022 · Latest: July 12, 2022

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 13 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

13 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 10, 2024	GERN	M	155,400	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
June 10, 2024	GERN	M	20,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
June 10, 2024	GERN	M	112,500	—	—	87,500 Direct	-56.25%	Disposed	(price as of 2026-08-21)
June 10, 2024	GERN	S	287,900	$4.63	$1,332,977	0 Direct	-100.00%	Disposed	-66.4% (price as of 2026-08-21)
June 10, 2024	GERN	M	155,400	$1.30	$202,020	155,400 Direct	—	Acquired	19.6% (price as of 2026-08-21)
June 10, 2024	GERN	M	20,000	$1.06	$21,200	20,000 Direct	—	Acquired	46.7% (price as of 2026-08-21)
June 10, 2024	GERN	M	112,500	$1.06	$119,250	112,500 Direct	—	Acquired	46.7% (price as of 2026-08-21)
June 6, 2024	GERN	A	200,000	—	—	200,000 Direct	—	Acquired	(price as of 2026-08-21)
June 6, 2024	GERN	A	50,000	—	—	50,000 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 14, 2024	GERN	A	750,000	—	—	750,000 Direct	—	Acquired	(price as of 2026-08-21)
Aug. 15, 2023	GERN	A	180,000	—	—	180,000 Direct	—	Acquired	(price as of 2026-08-21)
Aug. 15, 2023	GERN	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 22, 2023	GERN	A	540,000	—	—	540,000 Direct	—	Acquired	(price as of 2026-08-21)
July 8, 2022	GERN	A	120,000	—	—	120,000 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
June 10, 2024	GERN	Stock Option (right to buy)	Common Stock (155,400)	$1.30	Feb. 11, 2030	155,400	Disposed
June 10, 2024	GERN	Stock Option (right to buy)	Common Stock (20,000)	$1.06	Feb. 15, 2032	20,000	Disposed
June 10, 2024	GERN	Stock Option (right to buy)	Common Stock (112,500)	$1.06	Feb. 15, 2032	112,500	Disposed
June 6, 2024	GERN	Employee Stock Option (right to buy)	Common Stock (200,000)	$1.93	July 7, 2032	200,000	Acquired
June 6, 2024	GERN	Employee Stock Option (right to buy)	Common Stock (50,000)	$1.06	Feb. 15, 2032	50,000	Acquired
Feb. 14, 2024	GERN	Employee Stock Option (Right to Buy)	Common Stock (750,000)	$2.10	Feb. 13, 2034	750,000	Acquired
Aug. 15, 2023	GERN	Employee Stock Option (right to buy)	Common Stock (180,000)	$1.93	July 7, 2032	180,000	Acquired
Aug. 15, 2023	GERN	Employee Stock Option (right to buy)	Common Stock (20,000)	$1.06	Feb. 15, 2032	20,000	Acquired
Feb. 22, 2023	GERN	Employee Stock Option (right to buy)	Common Stock (540,000)	$2.83	Feb. 21, 2033	540,000	Acquired
July 8, 2022	GERN	Employee Stock Option (right to buy)	Common Stock (120,000)	$1.93	July 7, 2032	120,000	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
July 12, 2022	GERN	Stock Options (right to buy)→ Common Stock	—	Direct
July 12, 2022	GERN	Stock Options (right to buy)→ Common Stock	—	Direct
July 12, 2022	GERN	Stock Options (right to buy)→ Common Stock	—	Direct
July 12, 2022	GERN	Stock Options (right to buy)→ Common Stock	—	Direct
July 12, 2022	GERN	Stock Options (right to buy)→ Common Stock	—	Direct