Mastrangelo Joe bought EOSE
July 21, 2026 · Form 4 insider transaction
Mastrangelo Joe bought 111,118 shares of Eos Energy Enterprises, Inc. at $5.48 per share, a transaction worth $608.9K. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 16 days after the transaction.
Direction
Acquired (buy-side)
Shares
111,118
Price
$5.48
Total value
$608.9K
InsiderMastrangelo Joe
Role—
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateJuly 21, 2026
Filing dateAugust 6, 2026
Shares owned after2,058,704
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Represents the conversion of a subscription right issued by the Issuer as part of a rights offering that closed on July 21, 2026 (the "Rights Offering"). Each subscription right was exercisable for units that consisted of (i) 1 share of common stock and (ii) 0.4388 of a warrant exercisable to acquire a share of common stock at an exercise price of $5.48 per share.