4 1 form4jh41081_10-9.txt U.S. SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940 [X] Check box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). ________________________________________________________________________________ 1. Name and Address of Reporting Person* Haisma Jacob -------------------------------------------------------------------------------- (Last) (First) (Middle) 2185 Three Mile Road, N.W. -------------------------------------------------------------------------------- (Street) Grand Rapids, MI 49544 -------------------------------------------------------------------------------- (City) (State) (Zip) ________________________________________________________________________________ 2. Issuer Name and Ticker or Trading Symbol Bank West Financial Corportation ("BWFC") ________________________________________________________________________________ 3. IRS Identification Number of Reporting Person, if an Entity (Voluntary) ________________________________________________________________________________ 4. Statement for Month/Year September 2001 ________________________________________________________________________________ 5. If Amendment, Date of Original (Month/Year) ________________________________________________________________________________ 6. Relationship of Reporting Person to Issuer (Check all applicable) [X] Director [_] 10% Owner [_] Officer (give title below) [_] Other (specify below) ________________________________________________________________________________ 7. Individual or Joint/Group Filing (Check applicable line) [X] Form filed by one Reporting Person [_] Form filed by more than one Reporting Person ________________________________________________________________________________ ================================================================================ Table I -- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned ================================================================================

6. 4. 5. Owner- Securities Acquired (A) or Amount of ship 3. Disposed of (D) Securities Form: 7. Transaction (Instr. 3, 4 and 5) Beneficially Direct Nature of 2. Code ------------------------------- Owned at End (D) or Indirect 1. Transaction (Instr. 8) (A) of Month Indirect Beneficial Title of Security Date ------------ Amount or Price (Instr. 3 (I) Ownership (Instr. 3) (mm/dd/yy) Code V (D) and 4) (Instr.4) (Instr. 4) ------------------------------------------------------------------------------------------------------------------------------------ Common Stock, par value $.01 per share 9/14/01 J(1) 48,830 D $11.50 0 D ------------------------------------------------------------------------------------------------------------------------------------ Common Stock, par value $.01 per share 59/1714/01 SJ(1) ~~15,000~~120 D $11.0250 ~~6,500~~0 DI MRP Trust ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ====================================================================================================================================

* If the Form is filed by more than one Reporting Person, see Instruction 4(b)(v). Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. (Print or Type Response) (Over) FORM 4 (continued) Table II -- Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) ================================================================================

10. 9. Owner- Number ship of Form 2. Deriv- of Conver- 5. 7. ative Deriv- 11. sion Number of Title and Amount Secur- ative Nature or Derivative 6. of Underlying 8. ities Secur- of Exer- 4. Securities Date Securities Price Bene- ity: In- cise 3. Trans- Acquired (A) Exercisable and (Instr. 3 and 4) of ficially Direct direct Price Trans- action or Disposed Expiration Date ---------------- Deriv- Owned (D) or Bene- 1. of action Code of(D) (Month/Day/Year) Amount ative at End In- ficial Title of Deriv- Date (Instr. (Instr. 3, ---------------- or Secur- of direct Owner- Derivative ative (Month/ 8) 4 and 5) Date Expira- Number ity Month (I) ship Security Secur- Day/ ------ ------------ Exer- tion of (Instr. (Instr. (Instr. (Instr. (Instr. 3) ity Year) Code V (A) (D) cisable Date Title Shares 5) 4) 4) 4) ------------------------------------------------------------------------------------------------------------------------------------ Option to purchase Common common stock $6.958 9/14/01 J(1) 11,159 9/14/01 9/14/01 Stock 11,159 $0.00 0 D ------------------------------------------------------------------------------------------------------------------------------------ Option to purchase Common common stock $7.25 9/14/01 J(1) 3,718 9/14/01 9/14/01 Stock 3,718 $0.00 0 D ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ ====================================================================================================================================

Explanation of Responses: (1) On September 14, 2001, Bank West Financial Corporation was acquired by Chemical Financial Corporation. In transaction, each share of Bank West common stock was converted into $11.50 cash. In addition, each outstanding stock option was converted into cash equal to the difference between $11.50 per share and the per share exercise price of the option. All unvested options vested immediately before the effective time of the transaction. /s/ Jacob Haisma October 10, 2001 --------------------------------------------- ----------------------- **Signature of Reporting Person Date ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Note: File three copies of this Form, one of which must be manually signed. If space provided is insufficient, see Instruction 6 for procedure. Page 2

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