Xu Jiandong bought ESLA
August 18, 2026 · Form 4 insider transaction
Xu Jiandong bought 100,000 shares of Estrella Immunopharma, Inc. at $0.81 per share, a transaction worth $81.5K. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 7 days after the transaction.
Direction
Acquired (buy-side)
Shares
100,000
Price
$0.81
Total value
$81.5K
InsiderXu Jiandong
Role—
SecurityCommon Stock, par value $0.0001 per share
Transaction codeM: Option exercise
Transaction dateAugust 18, 2026
Filing dateAugust 25, 2026
Shares owned after365,488
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Represents the exercise price per share paid by the Reporting Person upon the exercise of the stock options reported in Table II.; Reflects the 265,488 shares of Common Stock directly beneficially owned as reported on the Reporting Person's most recent Form 4, plus the 100,000 shares acquired upon the reported exercise.