This insider cluster is routine and non-informative. Silbermann's sales follow derivative conversions and are small relative to his likely total holdings. Monitor for any broader C-suite selling pattern or a material increase in volume, but no immediate trading action is warranted.
Price Chart
Executive Summary
Pinterest co-founder and director Benjamin Silbermann sold ~93,750 shares for ~$2.2M in open-market sales over two days (Aug 25-26), following derivative conversions. CTO Matthew Madrigal also had 27,343 shares withheld for tax purposes. The total open-market sales of ~$2.2M represent ~0.016% of PINS's $13.4B market cap — a trivial amount. The cluster is dominated by a single insider's liquidity-driven sales after option exercises, not a broad-based bearish signal from multiple C-suite executives. Per the asymmetric calibration rules, cluster sells are not amplified beyond the proportionality band, and this cluster falls well below the 0.1% materiality threshold. The filing is routine and non-directional.
Key Financial Metrics
Key Facts
- Director Benjamin Silbermann sold 93,750 shares total (~$2.2M) on Aug 25-26, 2026, all preceded by derivative conversions at $0 cost basis.
- CTO Matthew Madrigal had 27,343 shares withheld for tax purposes on Aug 20, 2026, valued at ~$635K — a non-cash event.
- Total open-market sales of ~$2.2M represent ~0.016% of PINS's $13.4B market cap — well below the 0.1% materiality threshold.
- No C-suite executives (CEO, CFO) participated in open-market sales; the cluster is limited to a director and a CTO tax-withholding event.
- The cluster is not amplified per the asymmetric sell calibration — cluster sells are weak predictors and this one is trivial in size.
Financial Impact
Total open-market sales of ~$2.2M, representing ~0.016% of market cap. Non-cash derivative conversions and tax withholdings have $0 economic value.
Risk Factors
- No material risks identified from this filing. The insider activity is routine and immaterial in size.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-PINS-1787785919962 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 26, 2026 5w ago | Insider Cluster | $22.88 $18.88 | ▼ −17.48% | ▼ −17.38% | $19.23 (−15.95%) |
Aug 20, 2026 6w ago | Insider Cluster | $23.23 $18.60 | ▼ −19.93% | ▼ −19.93% | $19.23 (−17.22%) |
Aug 20, 2026 6w ago | Insider Cluster | $23.23 $18.31 | ▲ +21.18% | ▲ +21.18% | $19.23 (+17.22%) |
Aug 12, 2026 7w ago | Insider Cluster | $23.32 $19.05 | ▲ +18.31% | ▲ +16.56% | $19.23 (+17.54%) |
Aug 12, 2026 7w ago | 144 | $23.32 $19.05 | ▼ −18.31% | ▼ −16.56% | $19.23 (−17.54%) |
Aug 7, 2026 8w ago | 8-K | $23.68 $20.40 | ▼ −13.85% | ▼ −13.45% | $19.23 (−18.79%) |
Aug 4, 2026 8w ago | 8-K | $23.36 $21.22 | ▼ −9.16% | ▼ −8.56% | $19.23 (−17.68%) |
Jul 24, 2026 10w ago | Institutional Cluster | $22.13 $23.40 | ▲ +5.74% | ▲ +2.11% | $19.23 (−13.10%) |
Jul 15, 2026 11w ago | Insider Cluster | $23.09 $23.32 | ▲ +1.00% | ▼ −2.62% | $19.23 (−16.72%) |
Jul 15, 2026 11w ago | Insider Cluster | $23.09 $23.32 | ▲ +1.00% | ▼ −2.62% | $19.23 (−16.72%) |
US Market Status
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