Kevin J. Knopp owns 2.65% of 908 Devices
1,097,191 shares as of the August 17, 2026 filing, worth $12.4M at the latest close.
MASS · $465M market cap · Founder-ledGet an email when Kevin J. Knopp’s stake moves.
Free.
The stake
2.65%
worth $12.4M at the latest close
Stake rank
#1,574
by dollar value of the stake
Last sale
63 days ago
Aug 17, 2026
Last buy
522 days ago
May 15, 2025 · $66,596
Kevin J. Knopp owns 2.65% of 908 Devices Inc.: 1,097,191 of 41,333,705 shares, worth about $12.4M at the 2026-10-16 close. The stake has moved from 4.63% in 2020 to 2.65% on 2026-08-17, across 26 sales and 7 purchases that moved it since 2016. The last trade that moved it was a planned sale of $283,677 on 2026-08-17.
How the stake is held
as of the Aug 17, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated Aug 17, 2026 · Form 4 ↗
HELD DIRECTLY
555,968
50.7%
HELD INDIRECTLY · Indirect, per the filing’s footnote
541,223
49.3%
THE STAKE
1,097,191
2.65%