Reporting Manager
American Century Investment Management, Inc.
Symbol
SIBN
Shares outstanding
42,618,097 shares
Disclosed Ownership
2,642,322 shares
Ownership
6.2%
Form type
SCHEDULE 13G/A
Filing time
15 May 2025, 10:56:51 UTC
Date of event
31 Mar 2025
Next filing
14 Nov 2025

Quoteable Key Fact

"AMERICAN CENTURY INVESTMENT MANAGEMENT INC disclosed 6.2% ownership in Si-Bone, Inc. Common Stock (SIBN) on 31 Mar 2025."

Quick Takeaways

  • AMERICAN CENTURY INVESTMENT MANAGEMENT INC filed SCHEDULE 13G/A for Si-Bone, Inc. Common Stock (SIBN).
  • Disclosed ownership: 6.2%.
  • Date of event: 31 Mar 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 15 May 2025, 10:56.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
American Century Investment Management, Inc. 6.2% 2,642,322 2,200,529 0 American Century Investment Management, Inc. /s/ John Pak / Senior Vice President
American Century Companies, Inc. 6.2% 2,642,322 2,200,529 0 American Century Companies, Inc. /s/ John Pak / Senior Vice President
Stowers Institute for Medical Research 6.2% 2,642,322 2,200,529 0 Stowers Institute for Medical Research /s/ Joselyn Verschelden
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