ACON S2 Management, LLC

Insider

First SEC filing: Sept. 16, 2020 · Latest: Sept. 16, 2020

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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
Oct. 8, 2021	GWH	J	4,083,334	—	—	4,083,334 Direct	—	Acquired	(price as of 2026-08-21)
Oct. 8, 2021	GWH	C	6,100,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Oct. 8, 2021	GWH	C	6,100,000	—	—	6,100,000 Direct	—	Acquired	(price as of 2026-08-21)
Nov. 16, 2020	GWH	J	937,500	—	—	6,100,000 Direct	-13.32%	Disposed	(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
Oct. 8, 2021	GWH	Warrants	Common Stock	—	—	4,083,334	Acquired
Oct. 8, 2021	GWH	Class B Ordinary Shares	Common Stock	—	—	6,100,000	Disposed
Nov. 16, 2020	GWH	Class B ordinary shares	Class A ordinary shares (937,500)	—	—	937,500	Disposed

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
Sept. 16, 2020	GWH	Class B ordinary shares→ Class A ordinary shares	—	Direct