4

Changes in Ownership

LB PHARMACEUTICALS INC Filed 2025-09-16 Acc 0001193125-25-204935

10% owner bought 333,333 shares at $15.00 ($4,999,995)

10% owner acquired 548,910 shares (conversion)

From the SEC's structured data for this filing

Trades in this filing

Insider	Date	Transaction	Shares	Price	Value	Owned after	D/I
Vida Ventures GP III, L.L.C. 10% owner	2025-09-12	Conversion	+547,648			547,648	I
Vida Ventures GP III, L.L.C. 10% owner	2025-09-12	Conversion	+1,262			1,262	I
Vida Ventures GP III, L.L.C. 10% owner	2025-09-12	Purchase	+332,566	$15.00	$4,988,490	880,214	I
Vida Ventures GP III, L.L.C. 10% owner	2025-09-12	Purchase	+767	$15.00	$11,505	2,029	I
Derivatives
Vida Ventures GP III, L.L.C. 10% owner	2025-09-12	Conversion · Series C Preferred Stock	−13,302,666			0	I
Vida Ventures GP III, L.L.C. 10% owner	2025-09-12	Conversion · Series C Preferred Stock	−30,667			0	I
Open-market purchases · 333,333 sh · avg $15.00 · $4,999,995