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buyNotable cluster of 2

Leigh Vosseller bought $95k of TNDM

EVP & CHIEF FINANCIAL OFFICER at TANDEM DIABETES CARE INC. 6,200 shares at an average of $15.39, traded Nov 8, 2023, filed Nov 13, 2023.

Conviction score
68
Value
$95k
6,200 shares
Holdings after
11,860
+110% from before
From 52-week low
+2%
low $15.20, close $15.52
From 52-week high
-67%
high $46.50, as of Nov 8, 2023

Score components

  • Role
    CFO
    +22
  • Trade size
    $95k at market
    +10
  • Relative to holdings
    Holdings up 110%
    +10
  • Price context
    2% above the 52-week low; 67% below the 52-week high
    +18
  • Cluster
    2 insiders buying within 14 days
    +8
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0

What happened after comparable buys

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.

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.

TNDMOct 9, 2026 · close 16.11
Since filing Nov 13, 2023: +7.5%SPY +83.3% · excess -75.7%

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 0001438133-23-000214, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Nov 8, 2023POpen-market purchase
Common Stockindirect: Leigh A. Vosseller Trust
+6,200$15.39$95k11,860Nov 13, 2023

Related signals

Other insiders at TANDEM DIABETES CARE INC and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
0Weak
TNDMsell10b5-1
TANDEM DIABETES CARE INC
Mark David Novara
EVP & CHIEF COMMERCIAL OFFICER
$4,310
187 shares
-0%
0Weak
TNDMsell10b5-1
TANDEM DIABETES CARE INC
Mark David Novara
EVP & CHIEF COMMERCIAL OFFICER
$46
2 shares
-0%
64Notable
TNDMbuy 2
TANDEM DIABETES CARE INC
John F Sheridan
PRESIDENT & CEO
$102k
10,000 shares
+10%
69Notable
TNDMbuy 2
TANDEM DIABETES CARE INC
Leigh Vosseller
EVP & CHIEF FINANCIAL OFFICER
$149k
13,720 shares
+116%
40Moderate
TNDMbuy
TANDEM DIABETES CARE INC
Jean-Claude Kyrillos
EVP & Chief Operating Officer
$191k
10,538 shares
-
45Moderate
TNDMsell
TANDEM DIABETES CARE INC
Kim D Blickenstaff
director
$1.2M
40,000 shares
-19%
23Weak
TNDMbuy
TANDEM DIABETES CARE INC
Mark David Novara
EVP & CHIEF COMMERCIAL OFFICER
$12k
532 shares
-
39Weak
TNDMbuy
TANDEM DIABETES CARE INC
Dick Allen
director
$95k
5,000 shares
+33%
54Moderate
TNDMbuy 2
TANDEM DIABETES CARE INC
Shannon Marie Hansen
Chief Legal Officer
$30k
1,935 shares
-

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.

Leigh Vosseller bought $95k of TNDM | InsiderTell