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

CYTKCYTOKINETICS INCSEC CIK: 0001226488

Estimated Net Worth

$13.8 Million0.0%vs Last Year

Last Updated: May 19, 2026 11:11 PM EST

Transaction Summary

Total Transactions112

Buy-Sell Ratio0.23

Buy Transactions5

Sell Transactions22

Transaction Volume

Total Volume-$8.18M

Net Volume$8.92M

Buy Volume$371.46K

Sell Volume-$8.55M

Trade Analysis

AVG Trade Size-$55.29K

Largest Trade$432.20K

Most Active MonthMay

Most Active Year2009

Trading Sentiment

OverallBullish

Recent TradeSelling

Last 90 Days-1 Trades

ConvictionMedium

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

John T Henderson has an estimated net worth of $13.8 Million. This is based on reported shares across multiple companies, which include INVERESK RESEARCH GROUP INC, Myrexis, Inc., CYTOKINETICS INC, and MYRIAD GENETICS INC.

2021 was John T Henderson's most active year for acquiring shares with 11 total transactions. John T Henderson's most active month to acquire stocks was the month of April. 2020 was John T Henderson's most active year for disposing of shares, totalling 9 transactions. John T Henderson's most active month to dispose stocks was the month of August. 2020 saw John T Henderson paying a total of $809,579.69 for 47,935 shares, this is the most they've acquired in one year. In 2026 John T Henderson cashed out on 40,000 shares for a total of $1,519,400.00, their largest year based on trade value.

Holdings & Transactions

CYTKcytokinetics inc

Updated: May 05, 2026VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	-0.21	20.00K	$41.79	-$1.37M	May 05, 2026	75.32K	Sale	Scheduled	May 05	View
From 4	0.00	325.00	$65.37	$21.25K	Apr 15, 2026	75.32K	Grant	—	Apr 15	View
From 4	0.00	334.00	$63.44	$21.19K	Jan 16, 2026	75.00K	Grant	—	Jan 15	View
From 4	-0.11	8.75K	$36.95	-$471.62K	Dec 02, 2025	74.66K	Sale	Scheduled	Dec 02	View
From 4	0.00	338.00	$62.80	$21.23K	Oct 16, 2025	74.66K	Grant	—	Oct 15	View
From 4	0.01	559.00	$38.01	$21.25K	Jul 16, 2025	74.32K	Grant	—	Jul 15	View
From 4	0.27	18.21K	—	—	May 14, 2025	84.64K	Grant	—	May 14	View
From 4	-0.05	3.19K	$22.44	$874.60	Apr 16, 2025	66.43K	Sale	Scheduled	Apr 15	View
From 4	0.01	551.00	$38.56	$21.25K	Apr 16, 2025	66.43K	Grant	—	Apr 15	View
From 4	0.01	434.00	$48.93	$21.24K	Jan 06, 2025	49.07K	Grant	—	Jan 02	View
From 4	-0.04	1.78K	$28.90	-$2.25K	Dec 12, 2024	48.64K	Sale	Scheduled	Dec 11	View
From 4	0.01	403.00	$52.60	$21.20K	Oct 03, 2024	38.54K	Grant	—	Oct 01	View
From 4	0.01	388.00	—	—	Jul 03, 2024	38.14K	Grant	—	Jul 01	View
From 4	0.29	9.24K	—	—	May 16, 2024	41.39K	Grant	—	May 15	View
From 4	-0.25	10.56K	$64.54	-$681.67K	Apr 25, 2024	32.15K	Sale	Scheduled	Apr 25	View
From 4	-0.10	5.00K	$40.46	-$360.20K	Feb 14, 2024	42.72K	Sale	Scheduled	Feb 14	View
From 4	-0.09	5.00K	$44.79	-$403.50K	Jan 12, 2024	47.72K	Sale	Scheduled	Jan 12	View
From 4	0.01	252.00	$84.12	$21.20K	Jan 03, 2024	42.72K	Grant	—	Jan 02	View
From 4	-0.05	2.46K	$21.53	-$1.83K	Dec 19, 2023	42.46K	Sale	Scheduled	Dec 18	View
From 4	0.02	762.00	$27.88	$21.24K	Oct 03, 2023	31.90K	Grant	—	Oct 02	View
From 4	0.02	636.00	$33.36	$21.22K	Jul 05, 2023	31.14K	Grant	—	Jul 03	View
From 4	0.59	15.00K	—	—	May 18, 2023	40.50K	Grant	—	May 10	View
From 4	-0.14	4.17K	$22.28	-$129.10K	May 15, 2023	25.50K	Sale	—	May 15	View
From 4	0.02	530.00	$37.71	$19.99K	Apr 05, 2023	25.50K	Grant	—	Apr 03	View
From 4	0.02	450.00	$44.35	$19.96K	Jan 04, 2023	24.97K	Grant	—	Jan 03	View
From 4	0.02	391.00	$51.11	$19.98K	Oct 05, 2022	24.52K	Grant	—	Oct 03	View
From 4	-0.48	21.76K	$29.48	-$1.11M	Sep 12, 2022	24.13K	Sale	Scheduled	Sep 12	View
From 4	0.02	487.00	$41.00	$19.97K	Jul 12, 2022	24.13K	Grant	—	Jul 01	View
From 4	0.81	15.00K	—	—	May 11, 2022	33.65K	Grant	—	May 10	View
From 4	0.03	488.00	$38.38	$18.73K	Apr 01, 2022	18.65K	Grant	—	Apr 01	View
From 4	—	—	$5.46	$22.75K	Mar 01, 2022	18.16K	Options	—	Mar 01	View
From 4/A	0.06	409.00	$24.44	$10.00K	Feb 08, 2022	7.82K	Grant	—	Apr 01	View
From 4	0.02	244.00	$46.00	$11.22K	Jan 04, 2022	13.58K	Grant	—	Jan 03	View
From 4	-0.39	8.50K	$22.94	-$290.12K	Nov 05, 2021	13.34K	Sale	Scheduled	Nov 05	View
From 4	0.02	306.00	$36.74	$11.24K	Oct 04, 2021	13.34K	Grant	—	Oct 01	View
From 4	0.04	539.00	$20.84	$11.23K	Jul 08, 2021	13.03K	Grant	—	Jul 01 - 07	View
From 4	2.02	15.00K	—	—	May 13, 2021	22.49K	Grant	—	May 12	View
From 4/A	0.10	649.00	$18.90	$18.26	Apr 08, 2021	6.90K	Options	—	May 19	View
From 4	-0.31	3.33K	$16.09	-$49.68K	Apr 05, 2021	7.49K	Sale	Scheduled	Apr 01	View
From 4	0.57	511.00	$19.56	$10.00K	Jan 05, 2021	1.49K	Grant	—	Jan 04	View
From 4	-0.49	858.00	$16.63	-$6.31K	Dec 31, 2020	982.00	Sale	Scheduled	Dec 31	View
From 4	-0.63	3.00K	$20.98	-$48.12K	Oct 05, 2020	1.84K	Sale	Scheduled	Oct 05	View
From 4	-0.75	2.68K	$19.92	-$69.74K	May 20, 2020	982.00	Options	—	May 19	View
From 4	—	20.00K	$21.61	$432.20K	May 14, 2020	20.00K	Grant	—	May 13	View
From 4	—	6.42K	$15.43	$98.98K	Feb 14, 2020	6.42K	Grant	—	Feb 12	View
From 4/A	—	9.48K	$10.55	$100.00K	Jan 29, 2020	9.48K	Grant	—	Jan 02	View
From 4	—	1.52K	$10.55	$16.00K	Jan 06, 2020	1.52K	Grant	—	Jan 02	View
From 4	24.00	6.00K	$8.57	$51.43K	Jan 02, 2020	6.33K	Purchase	—	Nov 19	View
From 4	—	20.00K	$10.68	$213.60K	Nov 20, 2019	20.00K	Grant	—	May 15	View
From 4	—	20.00K	$10.68	$213.60K	May 17, 2019	20.00K	Grant	—	May 15	View
From 4	—	8.25K	$6.82	$56.24K	Jan 04, 2019	8.25K	Grant	—	Jan 02	View
From 4	—	20.00K	$9.45	$189.00K	May 17, 2018	20.00K	Grant	—	May 16	View
From 4	—	11.43K	$3.50	$40.00K	Jan 04, 2018	11.43K	Grant	—	Jan 02	View
From 4	—	20.00K	—	—	May 22, 2017	20.00K	Grant	—	May 18	View
From 4	—	8.06K	$4.96	$40.00K	Jan 04, 2017	8.06K	Grant	—	Jan 03	View
From 4	—	20.00K	—	—	May 20, 2016	20.00K	Grant	—	May 18	View
From 4	—	8.75K	$4.00	$35.00K	Jan 06, 2016	8.75K	Grant	—	Jan 04	View
From 4	—	20.00K	—	—	May 21, 2015	20.00K	Grant	—	May 20	View
From 4	—	11.87K	$2.95	$35.02K	Jan 05, 2015	11.87K	Grant	—	Jan 02	View
From 4	—	10.00K	—	—	May 22, 2014	10.00K	Grant	—	May 21	View
From 4	—	13.02K	$2.69	$35.02K	Jan 03, 2014	13.02K	Grant	—	Jan 02	View
From 4	—	25.00K	—	—	May 29, 2013	379.23K	Grant	—	May 22	View
From 4	—	130.56K	$0.27	$35.00K	Jan 04, 2013	354.23K	Grant	—	Jan 02	View
From 4	—	25.00K	—	—	May 24, 2012	223.67K	Grant	—	May 22	View
From 4	—	51.02K	$0.39	$20.00K	Jan 04, 2012	198.67K	Grant	—	Jan 03	View
From 4	—	20.00K	—	—	May 19, 2011	147.65K	Grant	—	May 18	View
From 4	—	23.15K	$0.86	$20.00K	Jan 04, 2011	127.65K	Grant	—	Jan 03	View
From 4	—	20.00K	—	—	May 21, 2010	104.51K	Grant	—	May 20	View
From 4	—	16.08K	$1.24	$20.00K	Jan 05, 2010	84.51K	Grant	—	Jan 04	View
From 4	—	15.00K	—	—	May 22, 2009	68.43K	Grant	—	May 21	View
From 4	—	21.43K	$0.70	$15.00K	Apr 02, 2009	53.43K	Grant	—	Apr 01	View
From 3/A	—	—	—	—	Feb 27, 2009	2.00K	—	—	—	View
From 4	—	30.00K	—	—	Feb 20, 2009	30.00K	Grant	—	Feb 19	View
From 3	—	—	—	—	Feb 20, 2009	—	—	—	—	View

MYGNmyriad genetics inc

Updated: Dec 06, 2019VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	0.18	11.69K	—	—	Dec 06, 2019	78.09K	Grant	—	Dec 05	View
From 4	0.12	7.00K	$23.46	$164.22K	Nov 07, 2019	66.40K	Purchase	—	Nov 07	View
From 4	0.19	9.36K	—	—	Nov 30, 2018	59.40K	Grant	—	Nov 29	View
From 4	-0.38	30.00K	$33.23	-$530.08K	Jul 13, 2018	50.04K	Sale	Scheduled	Jul 11	View
From 4	0.17	7.22K	—	—	Nov 30, 2017	50.04K	Grant	—	Nov 30	View
From 4	-0.41	30.00K	$23.38	-$415.24K	Sep 05, 2017	42.82K	Sale	Scheduled	Sep 01	View
From 4	0.16	6.00K	$18.66	$111.93K	Feb 23, 2017	42.82K	Purchase	—	Feb 22 - 23	View
From 4	0.70	15.02K	—	—	Dec 01, 2016	36.82K	Grant	—	Dec 01	View
From 4	-0.58	30.00K	$15.54	-$296.82K	Sep 13, 2016	21.80K	Sale	—	Sep 09 - 12	View
From 4	0.54	7.50K	—	—	Dec 07, 2015	21.80K	Grant	—	Dec 03	View
From 4	2.50	10.00K	—	—	Dec 04, 2014	14.30K	Grant	—	Dec 04	View
From 4	-0.56	5.00K	$21.65	-$140.51K	Jun 06, 2014	4.30K	Sale	—	Jun 05	View
From 4	-0.69	20.00K	$22.73	-$605.20K	Mar 11, 2014	9.30K	Sale	—	Mar 07	View
From 4	-0.15	5.00K	$22.60	-$149.93K	Mar 07, 2014	29.30K	Sale	—	Mar 05	View
From 4	—	30.00K	—	—	Dec 06, 2013	30.00K	Grant	—	Dec 05	View
From 4	-0.91	40.00K	$17.18	-$838.29K	Dec 11, 2012	4.30K	Sale	—	Dec 10	View
From 4	—	30.00K	—	—	Dec 05, 2012	30.00K	Grant	—	Dec 05	View
From 4	—	30.00K	—	—	Dec 02, 2011	30.00K	Grant	—	Dec 02	View
From 4	—	30.00K	—	—	Dec 03, 2010	30.00K	Grant	—	Dec 03	View
From 4	—	30.00K	—	—	Nov 06, 2009	30.00K	Grant	—	Nov 05	View
From 4	—	300.00	$32.73	$9.82K	May 14, 2009	4.30K	Purchase	—	May 13	View
From 4	-0.59	10.00K	$49.85	-$652.28K	Feb 05, 2009	7.00K	Sale	—	Feb 05	View
From 4	—	15.00K	—	—	Nov 17, 2008	15.00K	Grant	—	Nov 13	View
From 4	—	15.00K	—	—	Nov 16, 2007	15.00K	Grant	—	Nov 15	View
From 4	—	15.00K	—	—	Nov 17, 2006	15.00K	Grant	—	Nov 16	View
From 4	—	15.00K	—	—	Jan 06, 2006	15.00K	Grant	—	Jan 06	View
From 4	—	15.00K	—	—	Nov 12, 2004	15.00K	Grant	—	Nov 11	View
From 4	—	2.00K	$17.03	$34.06K	May 11, 2004	2.00K	Purchase	—	May 11	View
From 4	—	15.00K	—	—	May 03, 2004	15.00K	Grant	—	May 01	View
From 3	—	—	—	—	May 03, 2004	—	—	—	—	View

myrexis, inc.

Updated: Jan 25, 2013

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	—	—	$1.56	$50.75K	Jan 25, 2013	33.58K	Options	—	Jan 18	View
From 4	—	16.25K	—	—	Dec 12, 2011	16.25K	Grant	—	Dec 08	View
From 4	—	16.25K	—	—	Nov 15, 2010	16.25K	Grant	—	Nov 11	View
From 4	—	25.00K	—	—	Jul 06, 2009	25.00K	Grant	—	Jul 01	View
From 3	—	—	—	—	Jun 11, 2009	—	—	—	—	View

inveresk research group inc

Updated: Oct 22, 2004

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	-1.00	18.50K	—	—	Oct 22, 2004	—	Disposition	—	Oct 20	View
From 4	—	5.00K	—	—	May 06, 2004	5.00K	Grant	—	May 04	View
From 4	—	5.00K	—	—	Mar 19, 2004	5.00K	Grant	—	Jun 28	View

Benzinga

Benzinga

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

Holdings & Transactions