AWM Investment Company, Inc. 4
4 · 908 Devices Inc. · Filed Jun 24, 2026
Research Summary
AI-generated summary of this filing
908 Devices (MASS) 10% Owner AWM Investment Sells Shares
What Happened
AWM Investment Company, Inc., reported as a 10% owner (investment adviser to several funds), sold a total of 7,718 shares of 908 Devices (MASS) in two open-market transactions: 4,668 shares at $8.99 on June 22, 2026 (≈ $41,965) and 3,050 shares at $9.00 on June 23, 2026 (≈ $27,463). Total proceeds from these sales were about $69,428. These were sales (not purchases), which are often routine portfolio transactions rather than an indication of insider sentiment.
Key Details
- Transaction dates and prices: 6/22/2026 — 4,668 shares @ $8.99 (F1 notes a weighted average price); 6/23/2026 — 3,050 shares @ $9.00. Both transactions coded as S (sale).
- Shares controlled before/after: Per footnote F2, AWM holds sole voting and investment power over 4,879,773 shares held across its funds. After disposing 7,718 shares, that position would be roughly 4,872,055 shares (approximate).
- Notable footnotes:
- F2: AWM is the investment adviser to multiple funds (listed) and holds sole voting/investment power over the shares reported.
- F3: AWM’s controlling principals are David M. Greenhouse and Adam C. Stettner; AWM disclaims beneficial ownership except for pecuniary interest.
- F1: indicates a weighted-average price was used for at least one reported sale.
- Filing timeliness: Form 4 was filed on 2026-06-24 covering transactions on 6/22 and 6/23 — filed within the typical two-business-day window.
Context
AWM is an institutional investment adviser (10% owner) managing multiple funds. Sales by such entities are commonly portfolio rebalancing or liquidity actions and do not necessarily reflect personal views of company management. The filing disclaims AWM’s beneficial ownership beyond pecuniary interest, underscoring this is institutional fund activity rather than an executive’s personal trade.
Insider Transaction Report
- Sale
Common Stock
[F1]2026-06-22$8.99/sh−4,668$41,965→ 4,882,823 total(indirect: By Partnership) - Sale
Common Stock
[F1][F2][F3]2026-06-23$9.00/sh−3,050$27,463→ 4,879,773 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 2,020,434 shares of Common Stock of the Issuer (the Shares) held by SSFQP, 577,077 Shares held by CAY, 266,802 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.