MASS 908 Devices Inc.
Price Chart
Executive Summary
Three insiders at 908 Devices (MASS) sold a total of $594K in open-market sales over a 7-day window, including the CFO, a director, and a 10% owner. The total represents 0.18% of the $327M market cap, falling in the modest range. The cluster is selling-only with no buys, and the CFO's sale is notable given his position, but the dollar amount is not material relative to company size.
Key Financial Metrics
Actionable Insight
The selling cluster is modest in size but notable for being exclusively selling with CFO participation. Monitor for any upcoming earnings or material news that could explain the coordinated selling. The 90% analyst bullish consensus and strong historical T+20 returns (+4.95% avg) suggest the market may not react negatively, but the lack of any insider buying is a cautionary signal.
Key Facts
- Three insiders sold shares in open-market transactions totaling $594K from May 28 to June 4, 2026.
- CFO Joseph H. Griffith IV sold 6,900 shares at $9.03 for $63K.
- 10% owner AWM Investment Company sold 42,282 shares combined ($379K).
- Director Christopher D. Brown sold 20,000 shares at $8.73 for $175K.
- Total sales represent 0.18% of the $327M market cap — modest but not trivial.
- No insider purchases occurred in the cluster window.
Financial Impact
Total insider sales of $594K, representing 0.18% of market cap.
Risk Factors
- Insider selling may signal lack of confidence in near-term prospects.
- CFO selling, even small, can be interpreted negatively by the market.
- No insider buying to offset the selling cluster.
Market Snapshot
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-MASS-1780605856875 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
|
Jun 5, 2026
today
|
Insider Cluster
| — | awaiting T+20 | — | — |
|
Jun 4, 2026
2d ago
|
Insider Cluster
| — | awaiting T+20 | — | — |
|
Jun 4, 2026
2d ago
|
Insider Cluster
| — | awaiting T+20 | — | — |
|
May 29, 2026
8d ago
|
Insider Cluster
| — | awaiting T+20 | — | — |
|
May 29, 2026
8d ago
|
Insider Cluster
| — | awaiting T+20 | — | — |
|
May 6, 2026
4w ago
|
8-K
| $8.06 $8.66 | ▲ +7.44% | ▲ +4.66% | $7.93 (−1.61%) |
|
May 6, 2026
4w ago
|
Insider Cluster
| $8.06 $8.66 | ▲ +7.44% | ▲ +4.66% | $7.93 (−1.61%) |
|
May 1, 2026
5w ago
|
Insider Cluster
| $6.81 $8.63 | ▲ +26.73% | ▲ +21.44% | $7.93 (+16.45%) |
|
Apr 10, 2026
8w ago
|
Insider Cluster
| $7.14 $8.08 | ▼ −13.17% | ▼ −4.64% | $7.93 (−11.06%) |
|
Mar 16, 2026
11w ago
|
EFFECT
| $6.09 $7.32 | ▲ +20.20% | ▲ +16.42% | $7.93 (+30.21%) |
US Market Status
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