Whetstone Capital Advisors, LLC

Activist investor & 5%+ owner · SC 13D/13G filings

Total Filings

8

Stocks Covered

5

Latest Filing

Jan 16, 2026

Filings

LPRO

Open Lending Corporation

SC 13G · Jan 16, 2026

5.1%

6.0M shares

BODI

The Beachbody Company, Inc.

SC 13G/A · Jan 16, 2026

6.8%

298K shares

SERA

Sera Prognostics, Inc.

SC 13G/A · Jan 16, 2026

9.2%

3.5M shares

HCAT

Health Catalyst, Inc.

SC 13G/A · Jan 15, 2026

5.3%

3.8M shares

BODI

The Beachbody Company, Inc.

SC 13G · Sep 8, 2025

8.3%

354K shares

SERA

Sera Prognostics, Inc.

SC 13G · Sep 8, 2025

9.9%

3.6M shares

HCAT

Health Catalyst, Inc.

SC 13G · Sep 8, 2025

5.4%

3.7M shares

BLZE

Check the appropriate box to designate the rule pursuant to which this Schedule is filed ☐ Rule 13d-l(b) ☒ Rule 13d-l(c) ☐ Rule 13d-l(d) The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). 1. NAMES OF REPORTING PERSONS Whetstone Capital Advisors, LLC 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐ (b) ☐ 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION Kansas NUMBER OF SHARES 5. SOLE VOTING POWER 0 6. SHARED VOTING POWER 787,100 7. SOLE DISPOSITIVE POWER 0 8. SHARED DISPOSITIVE POWER 787,100 9. AGGREGATE AMOUNT 787,100 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ☐ 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 9.9% 12. TYPE OF REPORTING PERSON * IA, OO 1. NAMES OF REPORTING PERSONS David Atterbury 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) ☐ (b) ☐ 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION U.S. Citizen NUMBER OF SHARES 5. SOLE VOTING POWER 0 6. SHARED VOTING POWER 787,100 7. SOLE DISPOSITIVE POWER 0 8. SHARED DISPOSITIVE POWER 787,100 9. AGGREGATE AMOUNT 787,100 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ☐ 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 9.9% 12. TYPE OF REPORTING PERSON * HC, IN SCHEDULE 13G Item 1 (a).

SC 13G · Feb 11, 2022

9.9%

787K shares