Rebecca M Henderson Net Worth - Insider Trades and Bio as of Jun 14, 2026

IDXXIDEXX LABORATORIES INC /DESEC CIK: 0001254748

Estimated Net Worth

$28.1 Million24.8%vs Last Year

Last Updated: May 18, 2026 02:55 PM EST

Transaction Summary

Total Transactions82

Buy-Sell Ratio0.05

Buy Transactions1

Sell Transactions19

Transaction Volume

Total Volume-$15.88M

Net Volume$16.05M

Buy Volume$85.51K

Sell Volume-$15.97M

Trade Analysis

AVG Trade Size-$152.04K

Largest Trade$1.26M

Most Active MonthMay

Most Active Year2009

Trading Sentiment

OverallBullish

Recent TradeSelling

Last 90 Days0 Trades

ConvictionNone

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

Rebecca M Henderson has an estimated net worth of $28.1 Million. This is based on reported shares across multiple companies, which include AMGEN INC, and IDEXX LABORATORIES INC /DE.

2009 was Rebecca M Henderson's most active year for acquiring shares with 7 total transactions. Rebecca M Henderson's most active month to acquire stocks was the month of April. 2017 was Rebecca M Henderson's most active year for disposing of shares, totalling 7 transactions. Rebecca M Henderson's most active month to dispose stocks was the month of April. 2009 saw Rebecca M Henderson paying a total of $1,354,716.15 for 26,959 shares, this is the most they've acquired in one year. In 2020 Rebecca M Henderson cashed out on 38,596 shares for a total of $6,412,793.68, their largest year based on trade value.

Holdings & Transactions

IDXXidexx laboratories inc /de

Updated: Feb 25, 2021VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	-0.17	3.05K	$336.85	-$1.08M	Feb 25, 2021	14.70K	Sale	—	Feb 23	View
From 4	-0.29	5.90K	$260.46	-$2.07M	Nov 12, 2020	14.70K	Sale	—	Nov 10	View
From 4	-0.47	13.40K	$175.47	-$2.98M	May 15, 2020	15.00K	Sale	—	May 13	View
From 4	0.09	1.65K	—	—	May 08, 2020	19.39K	Grant	—	May 06	View
From 4	-0.21	4.00K	$271.17	-$1.08M	Aug 20, 2019	14.70K	Sale	—	Aug 14	View
From 4	-0.32	8.79K	$142.63	-$1.74M	May 15, 2019	18.70K	Sale	—	May 13	View
From 4	0.11	1.83K	—	—	May 10, 2019	19.15K	Grant	—	May 08	View
From 4	-0.16	3.50K	$108.47	-$517.74K	Nov 29, 2018	18.70K	Sale	—	Nov 27	View
From 4	0.14	2.41K	—	—	May 11, 2018	19.51K	Grant	—	May 09	View
From 4	-0.26	5.16K	$153.29	-$790.34K	Aug 25, 2017	14.70K	Sale	—	Aug 22 - 23	View
From 4	0.04	1.64K	$99.38	-$15.79K	May 05, 2017	39.99K	Sell-Options	—	May 03 - 04	View
From 4	-0.30	6.50K	$145.19	-$943.72K	Mar 06, 2017	14.95K	Sale	—	Feb 28	View
From 4/A	-0.32	9.92K	$68.55	-$831.43K	Mar 06, 2017	21.45K	Sale	—	Aug 25	View
From 4	-0.60	9.92K	$68.55	-$831.43K	Aug 26, 2016	6.75K	Sale	—	Aug 25	View
From 4	0.39	6.42K	—	—	May 06, 2016	22.71K	Grant	—	May 04	View
From 4	-0.10	2.30K	$42.79	-$1.71K	Nov 16, 2015	21.45K	Sale	—	Nov 12	View
From 4	0.54	4.20K	—	—	May 08, 2015	12.01K	Grant	—	May 06	View
From 4	-0.29	2.93K	$106.61	-$291.41K	Feb 09, 2015	7.35K	Sale	—	Feb 05	View
From 4	0.44	3.28K	—	—	May 09, 2014	10.79K	Grant	—	May 07	View
From 4	0.68	4.82K	—	—	May 10, 2013	11.91K	Grant	—	May 08	View
From 4	-0.12	1.00K	$94.51	-$94.51K	Nov 07, 2012	7.35K	Sale	—	Nov 06	View
From 4	0.61	4.12K	—	—	May 11, 2012	10.84K	Grant	—	May 09	View
From 4	-0.37	5.00K	$50.35	-$210.79K	Nov 29, 2011	8.35K	Sale	—	Nov 28	View
From 4	0.57	3.65K	—	—	Feb 16, 2011	10.02K	Grant	—	Feb 14	View
From 4	-0.56	10.47K	$62.29	-$651.97K	Jun 11, 2010	8.35K	Sale	—	Jun 09	View
From 4	—	—	$22.72	$260.46K	May 27, 2010	18.81K	Options	—	May 25	View
From 4	-0.21	2.00K	$56.77	-$113.53K	Mar 19, 2010	7.35K	Sale	—	Mar 17	View
From 4	0.94	5.48K	—	—	Feb 17, 2010	11.32K	Grant	—	Feb 14	View
From 4	0.03	238.00	$52.49	$12.49K	Feb 01, 2010	9.35K	Grant	—	Jan 29	View
From 4	0.03	245.00	$51.12	$12.52K	Nov 03, 2009	9.11K	Grant	—	Oct 30	View
From 4	0.03	248.00	$50.29	$12.47K	Aug 03, 2009	8.87K	Grant	—	Jul 30	View
From 4	0.03	287.00	$39.30	$11.28K	May 01, 2009	8.62K	Grant	—	Apr 30	View
From 4	1.29	5.84K	$34.37	$44.99K	Feb 17, 2009	10.37K	Grant	—	Feb 14	View
From 4	0.04	343.00	$32.80	$11.25K	Feb 03, 2009	8.33K	Grant	—	Jan 30	View
From 4	0.04	320.00	$35.16	$11.25K	Nov 03, 2008	7.99K	Grant	—	Oct 30	View
From 4	0.03	215.00	$52.21	$11.23K	Aug 01, 2008	7.67K	Grant	—	Jul 30	View
From 4	0.03	212.00	$53.20	$11.28K	May 02, 2008	7.45K	Grant	—	Apr 30	View
From 4	0.99	3.72K	$56.95	$212.08K	Feb 19, 2008	7.47K	Grant	—	Feb 14	View
From 4	0.03	202.00	$55.62	$11.24K	Jan 31, 2008	7.24K	Grant	—	Jan 30	View
From 4	0.02	79.00	$117.84	$9.31K	Nov 01, 2007	3.52K	Grant	—	Oct 30	View
From 4	0.03	93.00	$99.46	$9.25K	Aug 01, 2007	3.44K	Grant	—	Jul 30	View
From 4	0.03	102.00	$90.17	$9.20K	May 02, 2007	3.35K	Grant	—	Apr 30	View
From 4	0.45	1.00K	$85.51	$85.51K	Feb 20, 2007	3.25K	Purchase	—	Feb 16	View
From 4	0.92	895.00	$83.87	$75.06K	Feb 15, 2007	1.87K	Grant	—	Feb 14	View
From 4	0.05	110.00	$84.15	$9.26K	Feb 01, 2007	2.25K	Grant	—	Jan 30	View
From 4	0.05	108.00	$85.49	$9.23K	Nov 01, 2006	2.14K	Grant	—	Oct 30	View
From 4	0.06	107.00	$86.81	$9.29K	Aug 01, 2006	2.03K	Grant	—	Jul 28	View
From 4	0.06	111.00	$83.21	$9.24K	May 02, 2006	1.92K	Grant	—	Apr 28	View
From 4	—	978.00	$76.67	$74.98K	Feb 16, 2006	978.00	Grant	—	Feb 14	View
From 4	0.10	159.00	$77.21	$12.28K	Feb 01, 2006	1.81K	Grant	—	Jan 30	View
From 4	0.08	124.00	$68.51	$8.50K	Nov 01, 2005	1.65K	Grant	—	Oct 28	View
From 4	0.10	134.00	$63.46	$8.50K	Aug 02, 2005	1.53K	Grant	—	Jul 29	View
From 4	—	2.50K	$58.54	$146.35K	May 19, 2005	2.50K	Grant	—	May 18	View
From 4	0.12	150.00	$56.74	$8.51K	May 03, 2005	1.39K	Grant	—	Apr 29	View
From 4	0.17	181.00	$58.01	$10.50K	Feb 01, 2005	1.24K	Grant	—	Jan 31	View
From 4	0.19	170.00	$49.84	$8.47K	Nov 01, 2004	1.06K	Grant	—	Oct 29	View
From 4	0.23	169.00	$50.39	$8.52K	Aug 02, 2004	891.00	Grant	—	Jul 30	View
From 4	—	2.40K	$60.99	$146.38K	May 21, 2004	2.40K	Grant	—	May 19	View
From 4	0.26	149.00	$56.87	$8.47K	Apr 01, 2004	722.00	Grant	—	Mar 31	View
From 4	0.47	184.00	$46.28	$8.52K	Jan 05, 2004	573.00	Grant	—	Dec 31	View
From 4	1.06	200.00	$42.55	$8.51K	Oct 02, 2003	389.00	Grant	—	Sep 30	View
From 4	—	189.00	$39.51	$7.47K	Aug 05, 2003	189.00	Grant	—	Aug 04	View
From 4	—	—	—	—	Jul 18, 2003	—	—	—	—	View
From 3	—	—	—	—	Jul 18, 2003	—	—	—	—	View

AMGNamgen inc

Updated: May 07, 2020VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	0.06	968.69	—	—	May 07, 2020	17.97K	Grant	—	May 05	View
From 4	0.07	1.13K	—	—	May 07, 2019	16.61K	Grant	—	May 03	View
From 4	-0.06	977.00	$128.54	-$178.69	Aug 14, 2018	15.22K	Options	—	Aug 10	View
From 4	0.09	1.13K	—	—	May 01, 2018	13.11K	Grant	—	Apr 27	View
From 4	0.12	1.23K	—	—	May 03, 2017	11.67K	Grant	—	May 01	View
From 4	0.14	1.28K	—	—	May 05, 2016	10.17K	Grant	—	May 03	View
From 4	0.16	1.19K	—	—	Apr 28, 2015	8.70K	Grant	—	Apr 24	View
From 4	0.32	1.79K	—	—	Apr 29, 2014	7.37K	Grant	—	Apr 25	View
From 4	-0.70	20.00K	$92.97	-$1.22M	Feb 14, 2014	8.55K	Sale	—	Feb 13	View
From 4	-0.50	8.42K	$80.74	-$499.99K	May 20, 2013	8.48K	Sale	—	May 17	View
From 4	0.37	1.84K	—	—	Apr 30, 2013	6.90K	Grant	—	Apr 26	View
From 4	1.79	6.39K	$71.64	$358.20K	May 01, 2012	9.96K	Grant	—	Apr 27	View
From 4	0.95	8.24	—	—	Dec 12, 2011	16.91	Grant	—	Dec 08	View
From 4	—	8.66	—	—	Sep 12, 2011	8.66	Grant	—	Sep 08	View
From 4	3.99	6.83K	$54.69	$273.45K	Apr 27, 2011	8.54K	Grant	—	Apr 25	View
From 4	—	6.71K	$58.43	$292.15K	Apr 28, 2010	6.71K	Grant	—	Apr 26	View
From 4	—	20.00K	$63.11	$1.26M	Jul 31, 2009	20.00K	Grant	—	Jul 30	View
From 3	—	—	—	—	Jul 16, 2009	—	—	—	—	View

Benzinga

Benzinga

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

Holdings & Transactions