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sellModerate cluster of 6

James S Cassano sold $34k of SONM

director at SONIM TECHNOLOGIES INC. 23,381 shares at an average of $1.45, traded Apr 23, 2025, filed Apr 25, 2025.

Warning score
46
Value
$34k
23,381 shares
Holdings after
49,126
-32% from before
From 52-week low
+10%
low $24.12, close $26.64
From 52-week high
-62%
high $69.84, as of Apr 23, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $34k at market
    +6
  • Share of holdings sold
    Sold 32% of holdings
    +10
  • Cluster
    6 insiders selling within 14 days
    +15

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m -42.8%, 3m -55.9%, 6m -57.6%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

SONMOct 12, 2026 · close 3.56
Since filing Apr 25, 2025: -88.1%SPY +43.7% · excess -131.8%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001641172-25-006116, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Apr 23, 2025SOpen-market sale
Common Stock
-23,381$1.45$34k49,126Apr 25, 2025

Related signals

Other insiders at SONIM TECHNOLOGIES INC and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
57Moderate
SONMsell
SONIM TECHNOLOGIES INC
Laurence W Lytton
owner
$1.3M
866,916 shares
-100%
46Moderate
SONMsell 6
SONIM TECHNOLOGIES INC
Charles Becher
See Remarks
$45k
31,326 shares
-33%
47Moderate
SONMsell 6
SONIM TECHNOLOGIES INC
Clayton Crolius
Chief Financial Officer
$17k
11,634 shares
-27%
46Moderate
SONMsell 6
SONIM TECHNOLOGIES INC
Michael C Mulica
Acting CEO
$40k
27,818 shares
-28%
46Moderate
SONMsell 6
SONIM TECHNOLOGIES INC
Jack Steenstra
director
$34k
23,381 shares
-32%
35Weak
SONMsell 6
SONIM TECHNOLOGIES INC
Jeffrey Wang
director
$6,493
4,478 shares
-17%
15Weak
SONMsell
SONIM TECHNOLOGIES INC
Michael C Mulica
Acting CEO
$8,394
2,559 shares
-4%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.