Lenaic Nathanael Teyssedou — SEC Insider Profile, Roles & Companies

Insider at

04

Insider transactions

05

0 buys (P) 0 sells (S) Net: $0 + 16 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
Sept. 2, 2026	ADXN	D	37,770	·	·	565,138 Direct	-6.26%	Disposed	(price as of 2026-09-14)
Sept. 2, 2026	ADXN	A	37,770	·	·	602,908 Direct	+6.68%	Acquired	(price as of 2026-09-14)
Sept. 2, 2026	ADXN	D	59,530	·	·	543,378 Direct	-9.87%	Disposed	(price as of 2026-09-14)
Sept. 2, 2026	ADXN	A	59,530	·	·	602,908 Direct	+10.96%	Acquired	(price as of 2026-09-14)
Sept. 2, 2026	ADXN	D	10,000	·	·	592,908 Direct	-1.66%	Disposed	(price as of 2026-09-14)
Sept. 2, 2026	ADXN	A	10,000	·	·	602,908 Direct	+1.69%	Acquired	(price as of 2026-09-14)
Sept. 2, 2026	ADXN	D	30,000	·	·	572,908 Direct	-4.98%	Disposed	(price as of 2026-09-14)
Sept. 2, 2026	ADXN	A	30,000	·	·	602,908 Direct	+5.24%	Acquired	(price as of 2026-09-14)
Sept. 2, 2026	ADXN	D	65,620	·	·	537,288 Direct	-10.88%	Disposed	(price as of 2026-09-14)
Sept. 2, 2026	ADXN	A	65,620	·	·	602,908 Direct	+12.21%	Acquired	(price as of 2026-09-14)
Sept. 2, 2026	ADXN	D	90,529	·	·	512,379 Direct	-15.02%	Disposed	(price as of 2026-09-14)
Sept. 2, 2026	ADXN	A	90,529	·	·	602,908 Direct	+17.67%	Acquired	(price as of 2026-09-14)
Sept. 2, 2026	ADXN	D	208,974	·	·	393,934 Direct	-34.66%	Disposed	(price as of 2026-09-14)
Sept. 2, 2026	ADXN	A	208,974	·	·	602,908 Direct	+53.05%	Acquired	(price as of 2026-09-14)
Sept. 2, 2026	ADXN	D	100,485	·	·	502,423 Direct	-16.67%	Disposed	(price as of 2026-09-14)
Sept. 2, 2026	ADXN	A	100,485	·	·	602,908 Direct	+20.00%	Acquired	(price as of 2026-09-14)

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.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Sept. 2, 2026	ADXN	Stock-option (Right to Buy)	Common Stock (37,770)	·	Dec. 31, 2027	37,770	Disposed
Sept. 2, 2026	ADXN	Stock-option (Right to Buy)	Common Stock (37,770)	·	Dec. 31, 2027	37,770	Acquired
Sept. 2, 2026	ADXN	Stock-option (Right to Buy)	Common Stock (59,530)	·	May 31, 2028	59,530	Disposed
Sept. 2, 2026	ADXN	Stock-option (Right to Buy)	Common Stock (59,530)	·	May 31, 2028	59,530	Acquired
Sept. 2, 2026	ADXN	Stock-option (Right to Buy)	Common Stock (10,000)	·	March 31, 2030	10,000	Disposed
Sept. 2, 2026	ADXN	Stock-option (Right to Buy)	Common Stock (10,000)	·	March 31, 2030	10,000	Acquired
Sept. 2, 2026	ADXN	Stock-option (Right to Buy)	Common Stock (30,000)	·	May 16, 2031	30,000	Disposed
Sept. 2, 2026	ADXN	Stock-option (Right to Buy)	Common Stock (30,000)	·	May 16, 2031	30,000	Acquired
Sept. 2, 2026	ADXN	Stock-option (Right to Buy)	Common Stock (65,620)	·	April 11, 2032	65,620	Disposed
Sept. 2, 2026	ADXN	Stock-option (Right to Buy)	Common Stock (65,620)	·	April 11, 2032	65,620	Acquired
Sept. 2, 2026	ADXN	Stock-option (Right to Buy)	Common Stock (90,529)	·	Oct. 4, 2032	90,529	Disposed
Sept. 2, 2026	ADXN	Stock-option (Right to Buy)	Common Stock (90,529)	·	Oct. 4, 2032	90,529	Acquired
Sept. 2, 2026	ADXN	Stock-option (Right to Buy)	Common Stock (208,974)	·	May 11, 2033	208,974	Disposed
Sept. 2, 2026	ADXN	Stock-option (Right to Buy)	Common Stock (208,974)	·	May 11, 2033	208,974	Acquired
Sept. 2, 2026	ADXN	Stock-option (Right to Buy)	Common Stock (100,485)	·	Jan. 7, 2034	100,485	Disposed
Sept. 2, 2026	ADXN	Stock-option (Right to Buy)	Common Stock (100,485)	·	Jan. 7, 2034	100,485	Acquired

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

Initial ownership (Form 3) 8 holdings

07

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

Date	Ticker	Security	Shares	Ownership
March 25, 2026	ADXN	Stock-option (Right to Buy)→ Common Stock (37,770)	37,770	Direct
March 25, 2026	ADXN	Stock-option (Right to Buy)→ Common Stock (59,530)	59,530	Direct
March 25, 2026	ADXN	Stock-option (Right to Buy)→ Common Stock (10,000)	10,000	Direct
March 25, 2026	ADXN	Stock-option (Right to Buy)→ Common Stock (30,000)	30,000	Direct
March 25, 2026	ADXN	Stock-option (Right to Buy)→ Common Stock (65,620)	65,620	Direct
March 25, 2026	ADXN	Stock-option (Right to Buy)→ Common Stock (90,529)	90,529	Direct
March 25, 2026	ADXN	Stock-option (Right to Buy)→ Common Stock (208,974)	208,974	Direct
March 25, 2026	ADXN	Stock-option (Right to Buy)→ Common Stock (100,485)	100,485	Direct