June 12, 2026 · Form 4 insider transaction
Mastrangelo Joe sold 116,646 shares of Eos Energy Enterprises, Inc. at $6.06 per share, a transaction worth $706.9K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 3 days after the transaction.
The transactions reported in this Form 4 reflect the exercise of Non-Qualified Stock Options by the Reporting Person and the subsequent retention of the underlying shares of Common Stock. The option exercise and corresponding acquisition of shares reported in Table I and Table II were exempted from Section 16(b) liability pursuant to Rule 16b-3 promulgated under the Securities Exchange Act of 1934. The Reporting Person has elected to retain the net shares acquired upon exercise to maintain and support their long-term equity position in the Issuer, including in connection with any potential future equity or rights offerings that may be conducted by the Issuer.