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sellWeak cluster of 210b5-1 plan

Mark Reddout sold $500k of INVX

President of North America at DRIL-QUIP INC. 20,000 shares at an average of $25.00, traded Jan 14, 2026, filed Jan 15, 2026.

Warning score
31
Value
$500k
20,000 shares
Holdings after
129,436
-13% from before
From 52-week low
+80%
low $13.46, close $24.28
From 52-week high
-1%
high $24.57, as of Jan 14, 2026

Score components

  • Role
    President
    +20
  • Trade size
    $500k at market
    +18
  • Share of holdings sold
    Sold 13% of holdings
    +5
  • Cluster
    2 insiders selling within 14 days
    +8
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

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 +1.9%, 3m +8.1%, 6m +5.8%.

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.

INVXOct 12, 2026 · close 28.54
Since filing Jan 15, 2026: +17.4%SPY +13.3% · excess +4.1%

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 0001193125-26-014309, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jan 14, 2026SOpen-market sale
Common Stock10b5-1
-20,000$25.00$500k129,436Jan 15, 2026

Related signals

Other insiders at DRIL-QUIP INC and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
45Moderate
INVXsell 310b5-1
DRIL-QUIP INC
Amberjack Capital Partners, L.P.
director, owner
$144M
5,000,000 shares
-30%
65Notable
INVXsell 3
DRIL-QUIP INC
Innovex Co-Invest Fund, L.p.
director, owner
$144M
5,000,000 shares
-30%
29Weak
INVXsell 310b5-1
DRIL-QUIP INC
Mark Reddout
President of North America
$300k
10,000 shares
-7%
14Weak
INVXsell10b5-1
DRIL-QUIP INC
Mark Reddout
President of North America
$301k
10,750 shares
-7%
65Notable
INVXsell 3
DRIL-QUIP INC
Amberjack Capital Partners, L.P.
director, owner
$163M
6,612,500 shares
-30%
45Moderate
INVXsell 310b5-1
DRIL-QUIP INC
Innovex Co-Invest Fund, L.p.
director, owner
$163M
6,612,500 shares
-30%
39Weak
INVXsell 310b5-1
DRIL-QUIP INC
Adam Anderson
Chief Executive Officer
$537k
18,837 shares
-4%
35Weak
INVXsell 310b5-1
DRIL-QUIP INC
Adam Anderson
Chief Executive Officer
$358k
13,241 shares
-3%
28Weak
INVXsell 210b5-1
DRIL-QUIP INC
Adam Anderson
Chief Executive Officer
$331k
13,241 shares
-3%
29Weak
INVXbuy
DRIL-QUIP INC
Kendal Reed
Chief Financial Officer
$50k
3,765 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.

Mark Reddout sold $500k of INVX | InsiderTell