John Serafini owns 0.57% of HawkEye 360
559,517 shares as of the October 1, 2026 filing, worth $7M at the latest close.
HAWK · $1.2B market cap · Founder-ledGet an email when John Serafini’s stake moves.
Free.
The stake
0.57%
worth $7M at the latest close
Stake rank
#1,950
by dollar value of the stake
Last sale
None
no sales since 2016
Last buy
None
no purchases since 2016
John Serafini owns 0.57% of HawkEye 360, Inc.: 559,517 of 97,965,552 shares, worth about $7M at the 2026-10-16 close. The stake has moved from 0.51% in 2026 to 0.57% on 2026-10-01.
How the stake is held
as of the Oct 1, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated Oct 1, 2026 · Form 4 ↗
HELD DIRECTLY
554,972
99.2%
HELD INDIRECTLY · Indirect, per the filing’s footnote
4,545
0.8%
THE STAKE
559,517
0.57%