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Form 4 trades the last 365 days, plus historical signal scoring over the last 365 days · institutional 13F view →
Historical signal stats are shown once this stock has at least 3 open-market buys or 8 total P/S trades over the last 365 days.
Current sample: 0 buys, 0 sells, 0 open-market trades.
SEC Form 4 open-market transactions (the last 365 days) · P/S only
Buy trades
0
Sell trades
0
Bought
$0
Sold
$0
Net flow
+$0
Latest trade
—
Latest 0 matching trade lines; the full ledger is below.
No matching trades.
Filter every reported buy and sell for SOUN.
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| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $452.31M | 0.01% | +4.4% |
| 2 | BlackRock, Inc. | $219.88M | 0.00% | +4.9% |
| 3 | STATE STREET CORP | $65.01M | 0.00% | +10.6% |
| 4 | CITADEL ADVISORS LLC | $8.88M | 0.01% | +164.6% |
| 5 | SRS Investment Management, LLC | $6.59M | 0.06% | New |
| 6 | PRICE T ROWE ASSOCIATES INC /MD/ | $3.49M | 0.00% | +26.5% |
| 7 | FMR LLC | $431.83K | 0.00% | -28.6% |
| 8 | AQR CAPITAL MANAGEMENT LLC | $181.07K | 0.00% | -19.5% |
| Date | Member | Type | Amount |
|---|---|---|---|
| Dec 15, 2025 | Sell | $1,001 - $15,000 | |
| Jul 16, 2025 |
| Buy |
| $1,001 - $15,000 |