MarketPeel
Insider Trading Intelligence
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Rebecca M. Henderson

IDXX
DIRECTOR · IDEXX LABORATORIES INC /DE · CIK 0001254748
FILING MIX · LIFETIME44%/56%
BUYS
7
SELLS
9
TOTAL VALUE
$9.83M
COMPANIES
2
ACTIVE SINCE
May 2020
HOLDINGS NOW
17,974
AVG SELL PX
$356.99
TRADE KIND
SHOWING 16 / 16
Trades · vs SPY
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Performance · forward returns vs SPY
5 backtested trades · 8 horizons
Forward-return performance of every backtestable P/S trade by Rebecca M. Henderson, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d5+0.00%+2.82%+2.87%-0.05%+1.06%—
14d5+20.00%+1.39%+4.14%-2.75%-2.57%—
30d5+20.00%+1.51%+4.83%-3.31%-2.14%—
60d5+0.00%+14.69%+9.76%+4.93%+4.89%—
90d5+0.00%+18.19%+13.49%+4.70%+1.59%—
180d5+0.00%+34.22%+21.60%+12.61%+11.60%—
1y5+20.00%+46.96%+34.41%+12.56%+8.27%—
2y5+60.00%+6.59%+25.95%-19.36%-20.23%—
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
IDXX · 0 shares · as of Feb 23, 2021
05,53011,05916,58922,1182021SHARES HELD
Trading cadence · quarterly flow
BUY ● SELL ●
2020
2020
2020
2021
FLOW · 7 buys / 9 sellsCOVERAGE · 4 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILED
IDXX
IDEXX LABORATORIES INC /DE
PURCHASE
3,046$160.28$488.2K17,742Feb 23, 2021Feb 25, 2021 ↗
IDXX
IDEXX LABORATORIES INC /DE
SALE
3,046$513.41$1.56M14,696Feb 23, 2021Feb 25, 2021 ↗
IDXX
IDEXX LABORATORIES INC /DE
SALE
3,046——0Feb 23, 2021Feb 25, 2021 ↗
IDXX
IDEXX LABORATORIES INC /DE
SALE
45$435.92$19.6K20,553Nov 10, 2020Nov 12, 2020 ↗
IDXX
IDEXX LABORATORIES INC /DE
PURCHASE
5,902$85.00$501.7K20,598Nov 10, 2020Nov 12, 2020 ↗
IDXX
IDEXX LABORATORIES INC /DE
SALE
5,902——0Nov 10, 2020Nov 12, 2020 ↗
IDXX
IDEXX LABORATORIES INC /DE
SALE
5,857$435.91$2.55M14,696Nov 10, 2020Nov 12, 2020 ↗
IDXX
IDEXX LABORATORIES INC /DE
SALE
7,422$286.66$2.13M14,696May 13, 2020May 15, 2020 ↗
IDXX
IDEXX LABORATORIES INC /DE
SALE
5,974$286.66$1.71M14,696May 13, 2020May 15, 2020 ↗
IDXX
IDEXX LABORATORIES INC /DE
SALE
5,974——0May 13, 2020May 15, 2020 ↗
IDXX
IDEXX LABORATORIES INC /DE
PURCHASE
5,974$64.69$386.5K20,670May 13, 2020May 15, 2020 ↗
IDXX
IDEXX LABORATORIES INC /DE
SALE
7,422——300May 13, 2020May 15, 2020 ↗
IDXX
IDEXX LABORATORIES INC /DE
PURCHASE
7,422$63.95$474.6K22,118May 13, 2020May 15, 2020 ↗
IDXX
IDEXX LABORATORIES INC /DE
PURCHASEGRANT
Stock grant
1,279——1,279May 6, 2020May 8, 2020 ↗
IDXX
IDEXX LABORATORIES INC /DE
PURCHASEGRANT
Stock grant
370——18,115May 6, 2020May 8, 2020 ↗
AMGN
AMGEN INC
PURCHASEGRANT
Stock grant
968.694——17,973.694May 5, 2020May 7, 2020 ↗
Other insiders · IDXX
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About this filer
CIK 0001254748
ROLE
Director
PRIMARY
IDXX
COMPANIES
2
ACTIVE SINCE
May 2020
MARKETPEEL · /INSIDER/0001254748DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
FREE · DAILY · 6 AM ET

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One short email. Insider buys, congressional trades, and plain-English analysis.

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