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sellWeak cluster of 4

David Aaron Lehman sold $17k of LUNG

GENERAL COUNSEL at Pulmonx Corp. 12,237 shares at an average of $1.43, traded Mar 2, 2026, filed Mar 4, 2026.

Warning score
30
Value
$17k
12,237 shares
Holdings after
240,755
-5% from before
From 52-week low
+16%
low $1.31, close $1.52
From 52-week high
-82%
high $8.67, as of Mar 2, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $17k at market
    0
  • Share of holdings sold
    Sold 4.8% of holdings
    0
  • Cluster
    4 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 -7.6%, 3m +5.6%, 6m +58.3%.

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.

LUNGOct 12, 2026 · close 1.80
Since filing Mar 4, 2026: +25.0%SPY +14.4% · excess +10.6%

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 0001354228-26-000002, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 2, 2026SOpen-market sale
Common Stock
-1,163$1.43$1,663251,829Mar 4, 2026
Mar 2, 2026SOpen-market sale
Common Stock
-4,433$1.43$6,339247,396Mar 4, 2026
Mar 2, 2026SOpen-market sale
Common Stock
-2,590$1.43$3,704244,806Mar 4, 2026
Mar 2, 2026SOpen-market sale
Common Stock
-4,051$1.43$5,793240,755Mar 4, 2026
Mar 2, 2026AGrant or award
Common Stock
+150,000$0.00$0390,755Mar 4, 2026

Related signals

Other insiders at Pulmonx Corp and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
50Moderate
LUNGsell 4
Pulmonx Corp
Glendon E. French III
President and CEO
$95k
41,882 shares
-4%
35Weak
LUNGsell 4
Pulmonx Corp
David Aaron Lehman
General Counsel
$32k
14,334 shares
-4%
30Weak
LUNGsell 4
Pulmonx Corp
Geoffrey Beran Rose
Chief Commercial Officer
$18k
7,879 shares
-2%
35Weak
LUNGsell 4
Pulmonx Corp
Srikanth Radhakrishnan
Chief Science & Techn. Officer
$32k
14,245 shares
-4%
49Moderate
LUNGsell 4
Pulmonx Corp
Glendon E. French III
President and CEO
$87k
56,149 shares
-5%
30Weak
LUNGsell 4
Pulmonx Corp
David Aaron Lehman
GENERAL COUNSEL
$22k
14,594 shares
-4%
30Weak
LUNGsell 4
Pulmonx Corp
Geoffrey Beran Rose
CHIEF COMMERCIAL OFFICER
$12k
8,023 shares
-2%
30Weak
LUNGsell 4
Pulmonx Corp
Srikanth Radhakrishnan
Chief Science &Techn. Officer
$22k
14,497 shares
-4%
50Moderate
LUNGsell 4
Pulmonx Corp
Glendon E. French III
President and CEO
$97k
67,813 shares
-5%
30Weak
LUNGsell 4
Pulmonx Corp
Geoffrey Beran Rose
CHIEF COMMERCIAL OFFICER
$11k
7,732 shares
-2%

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.

David Aaron Lehman sold $17k of LUNG | InsiderTell