Robert B. Kaminski, Jr. net worth and biography

Robert Kaminski, Jr. Biography and Net Worth

Director of Mercantile Bank

Mr. Kaminski was one of the founding officers of Mercantile in 1997 and has 40 years of commercial banking experience. Mr. Kaminski was appointed President and Chief Executive Officer (“CEO”) of Mercantile on January 1, 2017, and retired on June 1, 2024, after 27 years of service. During his tenure, Mr. Kaminski held various positions of influence and responsibility with Mercantile and the Bank, serving Mercantile and the Bank as Senior Vice President and Secretary from 1997 to 2003, Executive Vice President and Secretary from 2003 to 2015 and President and CEO of the Bank from 2015 through 2016. In addition, he served as the Bank's Chief Operating Officer from 2000 to 2015. Mr. Kaminski serves on the Boards of Directors for the Grand Valley State University Foundation, the City of Wyoming Retirement Board, the West Michigan Policy Forum and the Finance Committee for The Right Place. Mr. Kaminski served as a Director of Mercantile previously from 2011 to 2014. On October 12, 2023. Mr. Kaminski’s in-depth knowledge of the organization since its inception, previous experience as our President and CEO, and length of experience in commercial banking were key factors in our determination that he should be a member of our Board.

What is Robert B. Kaminski, Jr.'s net worth?: The estimated net worth of Robert B. Kaminski, Jr. is at least $3.71 million as of May 2nd, 2025. Mr. Kaminski, Jr. owns 77,986 shares of Mercantile Bank stock worth more than $3,705,115 as of December 4th. This net worth evaluation does not reflect any other assets that Mr. Kaminski, Jr. may own. Learn More about Robert B. Kaminski, Jr.'s net worth.
How do I contact Robert B. Kaminski, Jr.?: The corporate mailing address for Mr. Kaminski, Jr. and other Mercantile Bank executives is 310 LEONARD STREET NW, GRAND RAPIDS MI, 49504. Mercantile Bank can also be reached via phone at (616) 406-3000 and via email at [email protected]. Learn More on Robert B. Kaminski, Jr.'s contact information.
Has Robert B. Kaminski, Jr. been buying or selling shares of Mercantile Bank?: Robert B. Kaminski, Jr. has not been actively trading shares of Mercantile Bank in the last ninety days. Most recently, Robert B. Kaminski sold 250 shares of the business's stock in a transaction on Friday, May 2nd. The shares were sold at an average price of $42.85, for a transaction totalling $10,712.50. Following the completion of the sale, the director now directly owns 77,986 shares of the company's stock, valued at $3,341,700.10. Learn More on Robert B. Kaminski, Jr.'s trading history.
Who are Mercantile Bank's active insiders?: Mercantile Bank's insider roster includes Robert Kaminski, Jr. (Director), Michael Price (Director), Nelson Sanchez (Director), Lonna Wiersma (Director), and Robert Worthington (COO). Learn More on Mercantile Bank's active insiders.
Are insiders buying or selling shares of Mercantile Bank?: During the last twelve months, Mercantile Bank insiders bought shares 3 times. They purchased a total of 1,323 shares worth more than $59,017.44. During the last twelve months, insiders at the financial services provider sold shares 7 times. They sold a total of 8,000 shares worth more than $393,407.50. The most recent insider tranaction occured on October, 31st when Director Nelson F Sanchez bought 1,000 shares worth more than $43,500.00. Insiders at Mercantile Bank own 3.2% of the company. Learn More about insider trades at Mercantile Bank.
Information on this page was last updated on 10/31/2025.

Robert B. Kaminski, Jr. Insider Trading History at Mercantile Bank

Transaction Date	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
5/2/2025	Sell	250	$42.85	$10,712.50	77,986
4/2/2025	Sell	250	$43.14	$10,785.00	78,236
3/3/2025	Sell	250	$48.11	$12,027.50	78,486
2/11/2025	Sell	1,000	$50.22	$50,220.00	11,810
2/3/2025	Sell	250	$47.05	$11,762.50	86,730
1/27/2025	Sell	3,000	$50.16	$150,480.00	13,810
1/24/2025	Sell	3,000	$49.14	$147,420.00	16,810
12/2/2024	Sell	250	$49.60	$12,400.00	87,230
11/25/2024	Sell	5,800	$51.75	$300,150.00	19,810
11/14/2024	Sell	4,000	$49.51	$198,040.00	25,610
11/4/2024	Sell	250	$42.51	$10,627.50	94,480
10/2/2024	Sell	250	$41.77	$10,442.50	94,730
8/2/2024	Sell	250	$43.66	$10,915.00	95,230
7/22/2024	Sell	2,000	$48.01	$96,020.00	29,610
7/19/2024	Sell	3,000	$48.73	$146,190.00	31,610
7/2/2024	Sell	250	$39.83	$9,957.50	95,480
7/29/2014	Sell	3,000	$19.43	$58,290.00

Robert B. Kaminski, Jr. Buying and Selling Activity at Mercantile Bank

Mercantile Bank Company Overview

Mercantile Bank Corporation operates as the bank holding company for Mercantile Bank of Michigan that provides commercial and retail banking services to small- to medium-sized businesses and individuals in the United States. It accepts various deposit products, including checking, savings, and term certificate accounts; time deposits; and certificates of deposit. The company also provides commercial and industrial loans; vacant land, land development, and residential construction loans; owner and non-owner occupied real estate loans; multi-family and residential rental property loans; single-family residential real estate loans; home equity line of credit programs; and consumer loans, such as new and used automobile and boat loans, and credit cards, as well as overdraft protection services; and residential mortgage and instalment loans. In addition, it offers courier services and safe deposit facilities; and insurance products, such as private passenger automobile, homeowners, personal inland marine, boat owners, recreational vehicle, dwelling fire, umbrella policies, small business, and life insurance products. The company was incorporated in 1997 and is headquartered in Grand Rapids, Michigan.

Today's Range

Now: $47.51

$47.28

$47.77

50 Day Range

MA: $45.14

$43.14

$47.62

2 Week Range

Now: $47.51

$37.76

$51.89

Volume

63,917 shs

Average Volume

52,075 shs

Market Capitalization

$772.04 million

P/E Ratio

9.00

Dividend Yield

3.19%

Beta

0.91