Back to feedMASS 908 Devices Inc. CIK 0001555279 · last filing 3d ago · 8 insider transactions
$709.5K
6 sell transactions
Total flow
$709.5K
8 priced transactions
Disclosure radarcross-source convergence Institution-led 2/5 sources
Insider Funds Activist Sell Events 0 / 100 Recent disclosures · timeline Form 4 3d ago
Director · filed
Form 4 3d ago
President and CEO · Director · sold $550.6K
Form 4 3d ago
Director · sold $89.5K
Form 4 4d ago
10% Owner · sold $69.4K
Price · MASS Live chart by TradingView Most recent insider trade: Sold 16,388 sh @ $9.10 on Jun 25, 2026 view filing → Live chart via TradingView. Insider trade price and date are from the underlying SEC filing. Not financial advice.
MASS insider flow· last 30 days Buys Sellsnet -$709.5K
max $370.5K/day May 27 — buy $0 · sell $0 · net +$0 May 28 — buy $0 · sell $0 · net +$0 May 29 — buy $0 · sell $0 · net +$0 May 30 — buy $0 · sell $0 · net +$0 May 31 — buy $0 · sell $0 · net +$0 Jun 1 — buy $0 · sell $0 · net +$0 Jun 2 — buy $0 · sell $0 · net +$0 Jun 3 — buy $0 · sell $0 · net +$0 Jun 4 — buy $0 · sell $0 · net +$0 Jun 5 — buy $0 · sell $0 · net +$0 Jun 6 — buy $0 · sell $0 · net +$0 Jun 7 — buy $0 · sell $0 · net +$0 Jun 8 — buy $0 · sell $0 · net +$0 Jun 9 — buy $0 · sell $0 · net +$0 Jun 10 — buy $0 · sell $0 · net +$0 Jun 11 — buy $0 · sell $0 · net +$0 Jun 12 — buy $0 · sell $0 · net +$0 Jun 13 — buy $0 · sell $0 · net +$0 Jun 14 — buy $0 · sell $0 · net +$0 Jun 15 — buy $0 · sell $0 · net +$0 Jun 16 — buy $0 · sell $0 · net +$0 Jun 17 — buy $0 · sell $0 · net +$0 Jun 18 — buy $0 · sell $0 · net +$0 Jun 19 — buy $0 · sell $0 · net +$0 Jun 20 — buy $0 · sell $0 · net +$0 Jun 21 — buy $0 · sell $0 · net +$0 Jun 22 — buy $0 · sell $42.0K · net -$42.0K Jun 23 — buy $0 · sell $148.0K · net -$148.0K
Institutional holders · 13F Q1 2026 vs Q4 2025 · live SEC data 1 fund holds $10.82M reported value Net reducing(0 adding · 2 reducing)
Fund Shares Value % of portfolio QoQ BlackRock Inc 1,767,316 $10.82M 0.0% Trim-2%
Recent insider transactions Filed Insider Transaction Shares Price Value Signal Flags 3d ago
Jun 25, 2026
Leonhart Michele M. Director
Buy · M6,486 $0.00 $0 Neutral +2 Deriv
3d ago
Jun 25, 2026
Leonhart Michele M. Director
Buy · M6,486 — — Neutral +2
3d ago
Jun 25, 2026
Knopp Kevin J. President and CEO · Director
Sell · S16,388 $9.10 $149.1K Neutral +7 3d ago
Jun 24, 2026
Knopp Kevin J. President and CEO · Director
Sell · S40,535 $9.14 $370.5K Neutral +7 3d ago
Jun 23, 2026
Knopp Kevin J. President and CEO · Director
Sell · S3,422 $9.06 $31.0K Neutral +7 3d ago
Jun 23, 2026
Brown Christopher D. Director
Sell · S9,900 $9.04 $89.5K Neutral -2 4d ago
Jun 23, 2026
AWM Investment Company, Inc. 10% Owner
Sell · S3,050 $9.00 $27.5K Mild sell -17
4d ago
Jun 22, 2026
AWM Investment Company, Inc. 10% Owner
Sell · S4,668 $8.99 $42.0K Mild sell -17
I Insider · Net insider selling F Institutional · 1 fund A Activist · — S Sell pressure · — E Events · — 1 fund hold a position. Insiders are net sellers.
Convergence is a transparent heuristic sum of attributable disclosure factors — not a price target or recommendation. 8-K events are shown as context; Form 144 planned sales count against bullish conviction. Not financial advice.
Jun 24 — buy $0 · sell $370.5K · net -$370.5K Jun 25 — buy $0 · sell $149.1K · net -$149.1K May 27 Jun 25