Mark W Sheahan Net Worth - Insider Trades and Bio as of Jun 12, 2026

GGGGRACO INCSEC CIK: 0001190815

Estimated Net Worth

$28.6 Million26.7%vs Last Year

Last Updated: May 19, 2026 11:09 PM EST

Transaction Summary

Total Transactions51

Buy-Sell Ratio0.29

Buy Transactions4

Sell Transactions14

Transaction Volume

Total Volume-$15.09M

Net Volume$15.44M

Buy Volume$172.38K

Sell Volume-$15.27M

Trade Analysis

AVG Trade Size-$368.55K

Largest Trade$1.77M

Most Active MonthFeb

Most Active Year2024

Trading Sentiment

OverallBullish

Recent TradeNeutral

Last 90 Days0 Trades

ConvictionNone

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

Mark W Sheahan has an estimated net worth of $28.6 Million. This is based on reported shares across multiple companies, which include GRACO INC, and TENNANT CO.

2005 was Mark W Sheahan's most active year for acquiring shares with 12 total transactions. Mark W Sheahan's most active month to acquire stocks was the month of January. 2005 was Mark W Sheahan's most active year for disposing of shares, totalling 22 transactions. Mark W Sheahan's most active month to dispose stocks was the month of February. 2024 saw Mark W Sheahan paying a total of $5,163,853.12 for 277,113 shares, this is the most they've acquired in one year. In 2013 Mark W Sheahan cashed out on 180,000 shares for a total of $6,163,745.13, their largest year based on trade value.

Holdings & Transactions

GGGgraco inc

President and CEO Director

Updated: Feb 17, 2026VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	—	194.65K	—	—	Feb 17, 2026	194.65K	Grant	—	Feb 13	View
From 4	-0.25	40.22K	$55.34	-$1.98M	Feb 02, 2026	123.38K	Options	—	Jan 29	View
From 4	—	204.91K	—	—	Feb 18, 2025	204.91K	Grant	—	Feb 14	View
From 4	-0.24	30.27K	$54.97	-$1.41M	Jan 21, 2025	99.79K	Options	—	Jan 17	View
From 4	—	189.91K	—	—	Feb 20, 2024	189.91K	Grant	—	Feb 16	View
From 4/A	0.24	15.23K	$54.15	-$1.25M	Jan 08, 2024	78.22K	Options	—	Jan 05	View
From 4	-0.26	27.84K	$89.15	$1.77M	Jan 08, 2024	82.55K	Sale	—	Jan 05	View
From 4	0.02	1.26K	$79.04	$99.83K	Aug 01, 2023	67.30K	Purchase	—	Jul 31	View
From 4	—	245.53K	—	—	Feb 21, 2023	245.53K	Grant	—	Feb 17	View
From 4	—	236.09K	—	—	Feb 18, 2022	236.09K	Grant	—	Feb 18	View
From 4	—	137.49K	—	—	Jun 10, 2021	137.49K	Grant	—	Jun 10	View
From 4	—	50.96K	—	—	Feb 16, 2021	50.96K	Grant	—	Feb 12	View
From 4	-0.47	54.00K	$43.69	-$2.60M	Nov 12, 2020	64.78K	Sale	—	Nov 11	View
From 4	-0.48	55.80K	$35.10	-$2.06M	Aug 04, 2020	64.78K	Sale	—	Aug 03	View
From 4	—	60.19K	—	—	Feb 18, 2020	60.19K	Grant	—	Feb 14	View
From 4	-0.48	54.00K	$30.71	-$1.78M	Feb 27, 2019	63.65K	Sale	—	Feb 26	View
From 4	—	49.18K	—	—	Feb 19, 2019	49.18K	Grant	—	Feb 15	View
From 4	—	35.18K	—	—	Feb 16, 2018	35.18K	Grant	—	Feb 16	View
From 4	-0.61	30.00K	$79.24	-$3.12M	Oct 31, 2017	20.94K	Sale	—	Oct 30	View
From 4	—	17.54K	—	—	Feb 21, 2017	17.54K	Grant	—	Feb 17	View
From 4	-0.71	47.00K	$49.97	-$2.74M	Nov 10, 2016	20.62K	Sale	—	Nov 10	View
From 4	—	21.17K	—	—	Feb 16, 2016	21.17K	Grant	—	Feb 12	View
From 4	0.03	592.00	$69.53	$41.16K	Feb 02, 2016	20.29K	Purchase	—	Feb 01	View
From 4	—	15.71K	—	—	Feb 17, 2015	15.71K	Grant	—	Feb 13	View
From 4	—	14.36K	—	—	Feb 18, 2014	14.36K	Grant	—	Feb 14	View
From 4	-0.75	52.50K	$55.82	-$1.85M	Aug 02, 2013	18.93K	Sale	—	Aug 01	View
From 4	-0.68	37.50K	$50.64	-$823.51K	May 08, 2013	18.93K	Sale	—	May 07	View
From 4	—	18.00K	—	—	Feb 19, 2013	18.00K	Grant	—	Feb 15	View
From 4	-0.52	18.00K	$38.60	-$384.59K	May 21, 2012	17.81K	Sale	—	May 18	View
From 4	-0.35	9.00K	$35.07	-$319.05K	May 14, 2012	17.81K	Sale	—	May 11	View
From 4	—	18.60K	—	—	Feb 21, 2012	18.60K	Grant	—	Feb 17	View
From 4	-0.15	2.81K	$31.02	-$71.03K	Nov 01, 2011	17.81K	Sale	—	Oct 31	View
From 4	—	18.00K	—	—	Feb 22, 2011	18.00K	Grant	—	Feb 18	View
From 4	-0.15	2.81K	$22.22	-$55.35K	Jul 29, 2010	17.80K	Sale	—	Jul 27	View
From 4	—	30.00K	—	—	Feb 17, 2010	30.00K	Grant	—	Feb 12	View
From 4	0.06	900.00	$18.24	$16.41K	Feb 20, 2009	17.78K	Purchase	—	Feb 20	View
From 4	—	47.00K	—	—	Feb 18, 2009	47.00K	Grant	—	Feb 13	View
From 4	—	30.00K	—	—	Feb 20, 2008	30.00K	Grant	—	Feb 15	View
From 4	0.20	2.50K	—	—	Dec 11, 2007	16.25K	Grant	—	Dec 07	View
From 4	—	22.50K	$41.36	$930.60K	Feb 20, 2007	105.78K	Grant	—	Feb 16	View
From 4	64.70	22.51K	$33.90	$175.25	Feb 22, 2006	35.00K	Acquisition	—	Mar 31 - 17	View
From 4	-0.43	17.44K	$21.97	-$688.18K	Mar 08, 2005	24.31K	Sale	—	Mar 04	View
From 4	—	15.00K	—	—	Feb 23, 2005	15.00K	Grant	—	Feb 18	View
From 4	-0.45	14.06K	$19.80	-$537.02K	Feb 16, 2005	18.12K	Sale	—	Jun 30 - 14	View
From 4	0.05	518.47	$28.99	$14.98K	Jun 03, 2004	12.50K	Purchase	—	Mar 31 - 02	View
From 4	—	12.00K	—	—	Feb 23, 2004	12.00K	Grant	—	Feb 20	View
From 4	—	—	—	—	Jul 24, 2003	—	—	—	—	View

TNCtennant co

Updated: May 11, 2026VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	0.52	1.49K	—	—	May 11, 2026	4.35K	Grant	—	May 07	View
From 4	1.74	1.81K	—	—	May 08, 2025	2.86K	Grant	—	May 06	View
From 4	—	1.04K	—	—	May 17, 2024	1.04K	Grant	—	May 15	View
From 3	—	—	—	—	May 16, 2024	—	—	—	—	View

Benzinga

Benzinga

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

Holdings & Transactions