NEA 15 GP, LLC

Insider Activist

First SEC filing: Jan. 14, 2016 · Latest: May 19, 2026

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 3 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

3 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Dec. 9, 2019	ARDX	A	400,000	$6.25	$2,500,000	3,482,186 Indirect	+12.98%	Acquired	-35.6% (price as of 2026-08-20)
May 25, 2018	ARDX	A	416,667	$4.00	$1,666,668	3,082,186 Indirect	+15.63%	Acquired	0.6% (price as of 2026-08-20)
May 25, 2018	ARDX	A	416,666	$4.00	$1,666,664	3,082,186 Indirect	+15.63%	Acquired	0.6% (price as of 2026-08-20)
July 18, 2016	ARDX	P	763,650	$8.73	$6,666,664	2,665,519 Indirect	+40.15%	Acquired	-53.9% (price as of 2026-08-20)
July 18, 2016	ARDX	P	763,651	$8.73	$6,666,673	2,665,520 Indirect	+40.15%	Acquired	-53.9% (price as of 2026-08-20)
Jan. 13, 2016	ARDX	P	500,000	$10.00	$5,000,000	1,901,869 Indirect	+35.67%	Acquired	-59.7% (price as of 2026-08-20)
Jan. 13, 2016	ARDX	P	500,000	$10.00	$5,000,000	1,901,869 Indirect	+35.67%	Acquired	-59.7% (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.

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

Date	Ticker	Security	Shares	Ownership
Jan. 14, 2016	ARDX	Common Stock	1,401,869	Indirect
Jan. 14, 2016	ARDX	Common Stock	1,401,869	Indirect
Jan. 14, 2016	ARDX	Common Stock Warrant (right to buy)→ Common Stock (420,561)	420,561	Indirect
Jan. 14, 2016	ARDX	Common Stock Warrant (right to buy)→ Common Stock (420,561)	420,561	Indirect