# EDGAR Filing Document

**Accession Number:** 0002096700
**File Stem:** 0001754960-26-000244
**Filing Date:** 2026-4
**Character Count:** 10967
**Document Hash:** 1361dc300f400f144d970d9e66f0c163
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001754960-26-000244.hdr.sgml**: 20260414

**ACCESSION NUMBER**: 0001754960-26-000244

**CONFORMED SUBMISSION TYPE**: 13F-HR

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20260331

**FILED AS OF DATE**: 20260414

**DATE AS OF CHANGE**: 20260414

**EFFECTIVENESS DATE**: 20260414

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** William Mack & Associates, Inc.
- **CENTRAL INDEX KEY:** 0002096700

**ORGANIZATION NAME:**
- **EIN:** 383045399
- **STATE OF INCORPORATION:** MI
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 13F-HR
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 028-25873
- **FILM NUMBER:** 26859823

**BUSINESS ADDRESS:**
- **STREET 1:** 1301 W. LONG LAKE, STE # 115
- **CITY:** TROY
- **STATE:** MI
- **ZIP:** 48098
- **BUSINESS PHONE:** 248-643-4310

**MAIL ADDRESS:**
- **STREET 1:** 1301 W. LONG LAKE, STE # 115
- **CITY:** TROY
- **STATE:** MI
- **ZIP:** 48098

### FORM 13F COVER PAGE

**Report for the Calendar Year or Quarter Ended:** 03-31-2026

**Check here if Amendment** [ ] **Amendment Number:** 

**This Amendment (Check only one.):** [ ] is a restatement.

[ ] adds new holdings entries.

**Institutional Investment Manager Filing this Report:**

**Name:** William Mack  Associates Inc.<br>**Address:** 1301 W. LONG LAKE STE # 115<br>TROY, MI 48098

**Form 13F File Number:** 028-25873

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

**Person Signing this Report on Behalf of Reporting Manager:**

**Name:** Aryn Sands<br>**Title:** Agent<br>**Phone:** 844-844-3453

**Signature, Place, and Date of Signing:**

Aryn Sands  Reno, NV  04-14-2026<br>[Signature]  [City, State]  [Date]

**Report Type (Check only one.):**

[x] **13F HOLDINGS REPORT.** (Check here if all holdings of this reporting manager are reported in this report.)

[ ] **13F NOTICE.** (Check here if no holdings are reported in this report, and all holdings are reported by other reporting manager(s).)

[ ] **13F COMBINATION REPORT.** (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)

### Form 13F Summary Page

**Report Summary:**

**Number of Other Included Managers:** 0

**Form 13F Information Table Entry Total:** 73

**Form 13F Information Table Value Total:** $174947843

      (round to nearest dollar)

**List of Other Included Managers:**

Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.

[If there are no entries in this list, state “NONE” and omit the column headings and list entries.]

**NONE**

### FORM 13F INFORMATION TABLE

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | VOTING AUTHORITY | VOTING AUTHORITY | VOTING AUTHORITY |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | SOLE | SHARED | NONE |
| ACCENTURE PLC IRELAND | SHS CLASS A | G1151C101 |  | 2179207 | 10990 | SH |  | SOLE |  | 0 | 0 | 10990 |
| AT INC | COM | 00206R102 |  | 462460 | 15952 | SH |  | SOLE |  | 0 | 0 | 15952 |
| ALPHABET INC | CAP STK CL C | 02079K107 |  | 430400 | 1500 | SH |  | SOLE |  | 0 | 0 | 1500 |
| ALPHABET INC | CAP STK CL A | 02079K305 |  | 1857513 | 6460 | SH |  | SOLE |  | 0 | 0 | 6460 |
| AMAZON COM INC | COM | 023135106 |  | 1290441 | 6196 | SH |  | SOLE |  | 0 | 0 | 6196 |
| AMERICAN CENTY ETF TR | US EQT ETF | 025072885 |  | 403806 | 3632 | SH |  | SOLE |  | 0 | 0 | 3632 |
| APPLE INC | COM | 037833100 |  | 7702429 | 30350 | SH |  | SOLE |  | 0 | 0 | 30350 |
| BERKSHIRE HATHAWAY INC DEL | CL B NEW | 084670702 |  | 344545 | 719 | SH |  | SOLE |  | 0 | 0 | 719 |
| CAPITAL GRP FIXED INCM ETF T | CORE BOND ETF | 14020Y508 |  | 336207 | 12803 | SH |  | SOLE |  | 0 | 0 | 12803 |
| CAPITAL GROUP NEW GEOGRAPHY | SHS | 14021N105 |  | 248835 | 7882 | SH |  | SOLE |  | 0 | 0 | 7882 |
| CHEVRON CORPORATION | COM | 166764100 |  | 365517 | 1767 | SH |  | SOLE |  | 0 | 0 | 1767 |
| CISCO SYS INC | COM | 17275R102 |  | 211254 | 2723 | SH |  | SOLE |  | 0 | 0 | 2723 |
| COCA COLA CONS INC | COM | 191098102 |  | 973709 | 5078 | SH |  | SOLE |  | 0 | 0 | 5078 |
| COHEN  STEERS ETF TRUST | REAL ESTATE ACTI | 19249U104 |  | 919669 | 34995 | SH |  | SOLE |  | 0 | 0 | 34995 |
| COSTCO WHOLESALE CORPORATION | COM | 22160K105 |  | 254644 | 256 | SH |  | SOLE |  | 0 | 0 | 256 |
| DTE ENERGY CO | COM | 233331107 |  | 500555 | 3423 | SH |  | SOLE |  | 0 | 0 | 3423 |
| DT MIDSTREAM INC | COMMON STOCK | 23345M107 |  | 230420 | 1711 | SH |  | SOLE |  | 0 | 0 | 1711 |
| DIMENSIONAL ETF TRUST | INTL SMALL CAP V | 25434V781 |  | 14701697 | 372761 | SH |  | SOLE |  | 0 | 0 | 372761 |
| DIMENSIONAL ETF TRUST | US SMALL CAP VAL | 25434V815 |  | 922673 | 26332 | SH |  | SOLE |  | 0 | 0 | 26332 |
| DISNEY WALT CO | COM | 254687106 |  | 347317 | 3604 | SH |  | SOLE |  | 0 | 0 | 3604 |
| EQT CORP | COM | 26884L109 |  | 257106 | 4040 | SH |  | SOLE |  | 0 | 0 | 4040 |
| EXXON MOBIL CORP | COM | 30231G102 |  | 415022 | 2446 | SH |  | SOLE |  | 0 | 0 | 2446 |
| META PLATFORMS INC | CL A | 30303M102 |  | 870796 | 1522 | SH |  | SOLE |  | 0 | 0 | 1522 |
| FORD MTR CO | COM | 345370860 |  | 324261 | 28099 | SH |  | SOLE |  | 0 | 0 | 28099 |
| HOME DEPOT INC | COM | 437076102 |  | 298303 | 907 | SH |  | SOLE |  | 0 | 0 | 907 |
| INNOVATOR ETFS TRUST | US EQTY ULTRA B | 45782C532 |  | 358221 | 9223 | SH |  | SOLE |  | 0 | 0 | 9223 |
| INNOVATOR ETFS TRUST | US EQTY PWR BUF | 45782C813 |  | 206854 | 4500 | SH |  | SOLE |  | 0 | 0 | 4500 |
| INNOVATOR ETFS TRUST | INNOVATOR INTL D | 45783Y285 |  | 207307 | 7046 | SH |  | SOLE |  | 0 | 0 | 7046 |
| INNOVATOR ETFS TRUST | POWER BUFFER SET | 45783Y723 |  | 736900 | 21378 | SH |  | SOLE |  | 0 | 0 | 21378 |
| INVESCO QQQ TR | UNIT SER 1 | 46090E103 |  | 281087 | 487 | SH |  | SOLE |  | 0 | 0 | 487 |
| ISHARES TR | CORE S ETF | 464287200 |  | 800602 | 1226 | SH |  | SOLE |  | 0 | 0 | 1226 |
| ISHARES TR | MSCI EAFE ETF | 464287465 |  | 231880 | 2387 | SH |  | SOLE |  | 0 | 0 | 2387 |
| ISHARES TR | RUS MID CAP ETF | 464287499 |  | 495484 | 5096 | SH |  | SOLE |  | 0 | 0 | 5096 |
| ISHARES TR | CORE S MCP ETF | 464287507 |  | 1270915 | 18820 | SH |  | SOLE |  | 0 | 0 | 18820 |
| ISHARES TR | RUS 1000 GRW ETF | 464287614 |  | 240916 | 565 | SH |  | SOLE |  | 0 | 0 | 565 |
| ISHARES TR | RUSSELL 3000 ETF | 464287689 |  | 496027 | 1338 | SH |  | SOLE |  | 0 | 0 | 1338 |
| JPMORGAN CHASE  CO | COM | 46625H100 |  | 726356 | 2469 | SH |  | SOLE |  | 0 | 0 | 2469 |
| J P MORGAN EXCHANGE TRADED F | INCOME ETF | 46641Q159 |  | 1271256 | 27594 | SH |  | SOLE |  | 0 | 0 | 27594 |
| MASTERCARD INCORPORATED | CL A | 57636Q104 |  | 224847 | 450 | SH |  | SOLE |  | 0 | 0 | 450 |
| MICROSOFT CORP | COM | 594918104 |  | 3472740 | 9381 | SH |  | SOLE |  | 0 | 0 | 9381 |
| MICRON TECHNOLOGY INC | COM | 595112103 |  | 228119 | 675 | SH |  | SOLE |  | 0 | 0 | 675 |
| NETFLIX INC. | COM | 64110L106 |  | 576419 | 5995 | SH |  | SOLE |  | 0 | 0 | 5995 |
| NVIDIA CORPORATION | COM | 67066G104 |  | 804713 | 4614 | SH |  | SOLE |  | 0 | 0 | 4614 |
| PIMCO ETF TR | SHTRM MUN BD ACT | 72201R874 |  | 210377 | 4170 | SH |  | SOLE |  | 0 | 0 | 4170 |
| STATE STR SPDR S 500 ETF T | TR UNIT | 78462F103 |  | 837132 | 1287 | SH |  | SOLE |  | 0 | 0 | 1287 |
| SPDR GOLD TR | GOLD SHS | 78463V107 |  | 281840 | 655 | SH |  | SOLE |  | 0 | 0 | 655 |
| SPDR SERIES TRUST | STATE STREET SPD | 78464A359 |  | 10878891 | 118869 | SH |  | SOLE |  | 0 | 0 | 118869 |
| SPDR SERIES TRUST | STATE STREET SPD | 78464A854 |  | 438345 | 5727 | SH |  | SOLE |  | 0 | 0 | 5727 |
| SPDR SERIES TRUST | STATE STREET SPD | 78468R796 |  | 574739 | 10838 | SH |  | SOLE |  | 0 | 0 | 10838 |
| SPDR SERIES TRUST | STATE STREET SPD | 78468R853 |  | 350803 | 7260 | SH |  | SOLE |  | 0 | 0 | 7260 |
| SPDR INDEX SHS FDS | STATE STREET SPD | 78470E106 |  | 331641 | 6664 | SH |  | SOLE |  | 0 | 0 | 6664 |
| SPDR INDEX SHS FDS | STATE STREET SPD | 78470E205 |  | 207015 | 4684 | SH |  | SOLE |  | 0 | 0 | 4684 |
| SCHWAB STRATEGIC TR | US LCAP GR ETF | 808524300 |  | 6344429 | 217797 | SH |  | SOLE |  | 0 | 0 | 217797 |
| SCHWAB STRATEGIC TR | US LCAP VA ETF | 808524409 |  | 1476041 | 48395 | SH |  | SOLE |  | 0 | 0 | 48395 |
| SCHWAB STRATEGIC TR | US SML CAP ETF | 808524607 |  | 593094 | 20395 | SH |  | SOLE |  | 0 | 0 | 20395 |
| SCHWAB STRATEGIC TR | FUNDAMENTAL INTL | 808524755 |  | 8741540 | 178654 | SH |  | SOLE |  | 0 | 0 | 178654 |
| STRYKER CORPORATION | COM | 863667101 |  | 444254 | 1352 | SH |  | SOLE |  | 0 | 0 | 1352 |
| TAIWAN SEMICONDUCTOR MANUFAC | SPONSORED ADS | 874039100 |  | 316659 | 937 | SH |  | SOLE |  | 0 | 0 | 937 |
| TESLA INC | COM | 88160R101 |  | 1578451 | 4246 | SH |  | SOLE |  | 0 | 0 | 4246 |
| VANGUARD BD INDEX FDS | TOTAL BND MRKT | 921937835 |  | 706558 | 9595 | SH |  | SOLE |  | 0 | 0 | 9595 |
| VANGUARD TAX-MANAGED FDS | VAN FTSE DEV MKT | 921943858 |  | 24715975 | 385705 | SH |  | SOLE |  | 0 | 0 | 385705 |
| VANGUARD INTL EQUITY INDEX F | FTSE SMCAP ETF | 922042718 |  | 1043127 | 7155 | SH |  | SOLE |  | 0 | 0 | 7155 |
| VANGUARD INTL EQUITY INDEX F | FTSE EMR MKT ETF | 922042858 |  | 362961 | 6715 | SH |  | SOLE |  | 0 | 0 | 6715 |
| VANGUARD SCOTTSDALE FDS | SHRT TRM CORP BD | 92206C409 |  | 31498334 | 397355 | SH |  | SOLE |  | 0 | 0 | 397355 |
| VANGUARD MUN BD FDS | TAX EXEMPT BD | 922907746 |  | 3382342 | 67796 | SH |  | SOLE |  | 0 | 0 | 67796 |
| VANGUARD INDEX FDS | S 500 ETF SHS | 922908363 |  | 1488951 | 2492 | SH |  | SOLE |  | 0 | 0 | 2492 |
| VANGUARD INDEX FDS | MCAP VL IDXVIP | 922908512 |  | 671885 | 3646 | SH |  | SOLE |  | 0 | 0 | 3646 |
| VANGUARD INDEX FDS | SML CP GRW ETF | 922908595 |  | 534076 | 1767 | SH |  | SOLE |  | 0 | 0 | 1767 |
| VANGUARD INDEX FDS | MID CAP ETF | 922908629 |  | 22756434 | 79241 | SH |  | SOLE |  | 0 | 0 | 79241 |
| VANGUARD INDEX FDS | LARGE CAP ETF | 922908637 |  | 2906715 | 9726 | SH |  | SOLE |  | 0 | 0 | 9726 |
| VANGUARD INDEX FDS | GROWTH ETF | 922908736 |  | 1183028 | 2708 | SH |  | SOLE |  | 0 | 0 | 2708 |
| VANGUARD INDEX FDS | SMALL CP ETF | 922908751 |  | 314042 | 1199 | SH |  | SOLE |  | 0 | 0 | 1199 |
| VERTEX PHARMACEUTICALS INC | COM | 92532F100 |  | 298735 | 669 | SH |  | SOLE |  | 0 | 0 | 669 |

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