Soundthinking, Inc.
SSTI- Exchange
- Nasdaq
- Industry
- Services-Prepackaged Software
- SEC CIK
- 0001351636
In the last 90 days, Soundthinking, Inc. insiders filed 0 open-market purchases and 1 sale; 76 institutions reported holding it in 13F filings for Q2 2026, worth $63.8M in total; no superinvestor holds it.
Holders of 5% or more of SSTI
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Soundthinking, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Clark Ralph A. | 13G/A | 6.20%816.2K shares | – | Aug 13, 20251 filing | Aug 13, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
8 Schedule 13D and 13G filings on Soundthinking, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 13, 20254:40 PM ET | Clark Ralph A. | 13G/A | 6.20%816.2K shares | – | Jun 30, 2025 | SEC |
| Jul 16, 20257:02 PM ET | BlackRock, Inc. | 13G/A | 4.90%620.5K shares | −0.20 ppfrom 5.10%Below 5% | Jun 30, 2025 | SEC |
| Apr 25, 202512:48 PM ET | BlackRock, Inc. | 13G/A | 5.10%639.8K shares | – | Mar 31, 2025 | SEC |
| Apr 8, 20253:43 PM ET | Kopion Asset Management, LLC | 13G/A | 4.30%541.7K shares | −1.50 ppfrom 5.80%Below 5% | Mar 31, 2025 | SEC |
| Feb 10, 20251:11 PM ET | Gilder Gagnon Howe & Co LLC | 13G/A | 0.00%0 shares | −2.10 ppfrom 2.10%Below 5% | Dec 31, 2024 | SEC |
| Feb 5, 202510:10 AM ET | Kopion Asset Management, LLC | 13G | 5.80%727.2K shares | New | Dec 31, 2024 | SEC |
| Oct 7, 20246:06 PM ET | Gilder Gagnon Howe & Co LLC | 13G/A | 2.10%269.3K shares | −3.60 ppfrom 5.70%Below 5% | Sep 30, 2024 | SEC |
| Feb 9, 20244:28 PM ET | Gilder Gagnon Howe & Co LLC | 13G/A | 5.70%719.2K shares | – | Dec 31, 2023 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Soundthinking, Inc. shares.
No Form 144 notices for Soundthinking, Inc. are on file.