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sellWeak

Teresa M Vermillion sold $94k of OLN

VP & Treasurer at OLIN Corp. 4,500 shares at an average of $20.86, traded Nov 26, 2025, filed Nov 28, 2025.

Warning score
32
Value
$94k
4,500 shares
Holdings after
17,199
-21% from before
From 52-week low
+18%
low $17.02, close $20.03
From 52-week high
-51%
high $40.84, as of Nov 26, 2025

Score components

  • Role
    CFO
    +22
  • Trade size
    $94k at market
    +10
  • Share of holdings sold
    Sold 21% of holdings
    +5
  • Cluster
    No other insider selling within 14 days
    0
  • Role exit
    The filing reports the insider leaving
    +10
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -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 -1.0%, 3m +20.2%, 6m +24.5%.

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.

OLNOct 12, 2026 · close 14.71
Since filing Nov 28, 2025: -28.4%SPY +15.1% · excess -43.5%

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 0001729998-25-000004, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Nov 26, 2025MOption exercise
Common Stock
+4,500$13.14$59k21,699Nov 28, 2025
Nov 26, 2025SOpen-market sale
Common Stock
-4,500$20.86$94k17,199Nov 28, 2025
Nov 26, 2025MOption exercise
Employee Stock Options (Right to Buy)derivative
-4,500$0.00$00Nov 28, 2025

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
54Moderate
OLNsell 2
OLIN Corp
Deon Carter
VP & President CAPV
$154k
6,500 shares
-95%
45Moderate
OLNsell 2
OLIN Corp
Angela M Castle
VP & Chief Legal Officer
$58k
2,379 shares
-61%
70Notable
OLNsell 2
OLIN Corp
Todd A Slater
VP & CFO
$2.1M
92,250 shares
-68%
33Weak
OLNsell 2
OLIN Corp
R Nichole Sumner
VP & Controller
$107k
4,750 shares
-16%
38Weak
OLNsell
OLIN Corp
Teresa M Vermillion
VP & Treasurer
$127k
6,000 shares
-26%
56Moderate
OLNbuy
OLIN Corp
Marc Ehrhardt
VP & Pres Corp Development
$374k
20,000 shares
-
37Weak
OLNsell
OLIN Corp
R Nichole Sumner
VP & Controller
$459k
10,500 shares
-30%
53Moderate
OLNsell 2
OLIN Corp
Brett A Flaugher
VP & Pres, Winchester
$1.3M
25,000 shares
-105%
63Notable
OLNsell 2
OLIN Corp
Scott McDougald Sutton
President & CEO
$3.5M
65,820 shares
-61%
53Moderate
OLNsell 2
OLIN Corp
Scott McDougald Sutton
President & CEO
$1.9M
36,946 shares
-35%

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.

Teresa M Vermillion sold $94k of OLN | InsiderTell