AWM Investment Company, Inc. 4
4 · 908 Devices Inc. · Filed May 13, 2026
Research Summary
AI-generated summary of this filing
908 Devices (MASS) 10% Owner AWM Investment Company Sells 5,000 Shares
What Happened AWM Investment Company, Inc., the investment adviser that holds voting and investment power over multiple Special Situations funds (a 10% owner), sold 5,000 shares of 908 Devices (MASS) in an open-market transaction on May 11, 2026. The shares were disposed at a weighted average price of $8.25 per share for a total reported value of $41,257. This was a sale (not a purchase), which is often routine portfolio activity for an institutional holder.
Key Details
- Transaction date and filing: Sale on 2026-05-11; Form 4 filed 2026-05-13 (timely — within the 2 business day requirement).
- Price and value: 5,000 shares at a weighted average price of $8.25; total reported proceeds $41,257 (F1 notes weighted avg price).
- Shares held after transaction: AWM (as adviser to the Funds) reported sole voting/investment power over 5,116,715 shares before the sale and 5,111,715 shares after the 5,000-share disposition.
- Footnotes: F2 explains AWM is adviser to several funds that collectively hold the shares; F3 notes controlling principals and that AWM disclaims beneficial ownership except to the extent of pecuniary interest.
- Transaction code: S = Sale (open-market/private sale).
Context This filing reflects an institutional adviser reducing holdings by a small amount relative to its multi-million-share position — typically portfolio rebalancing or liquidity management rather than an individual insider signal. Because AWM reports advisory control (not direct executive ownership), interpret the sale as institutional trading activity rather than a company insider's personal trade.
Insider Transaction Report
- Sale
Common Stock
[F1][F2][F3]2026-05-11$8.25/sh−5,000$41,257→ 5,116,715 total(indirect: By Partnership)
Footnotes (3)
- [F1]This is a weighted average price.
- [F2]AWM Investment Company, Inc., a Delaware Corporation (AWM), is the investment adviser to Special Situations Fund III QP, L.P. (SSFQP), Special Situations Cayman Fund, L.P. (CAY), Special Situations Private Equity Fund, L.P. (SSPE), Special Situations Technology Fund, L.P. (TECH) and Special Situations Technology Fund II, L.P. (TECH II and together with SSFQP, CAY, SSPE and TECH, the Funds). As the investment adviser to the Funds, AWM holds sole voting and investment power over 2,179,495 shares of Common Stock of the Issuer (the Shares) held by SSFQP, 630,388 Shares held by CAY, 291,372 Shares held by SSPE, 338,137 Shares held by TECH and 1,677,323 Shares held by TECH II.
- [F3]David M. Greenhouse (Greenhouse) and Adam C. Stettner (Stettner) are the controlling principals of AWM. The reporting person disclaims beneficial ownership of the Shares, except to the extent of its pecuniary interest therein. This report shall not be deemed an admission that the reporting person is the beneficial owner of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.