ARM
Chip stocks fall amid AI debt, rate concerns
- ARM −2.29% on the last session vs SPY −0.25%: −2.0 pts of stock-specific move.
- Semiconductors: Bloomberg reports chip stocks deepen losses as concerns mount over rates and AI debt. (Bloomberg.com)
- Semiconductors basket -2.5% (-2.2 pts vs SPY; INTC -6.6%, AMD -6.1%, MRVL -5.6%, TSM -4.6%): the stock moved with its peers. Overnight: TSMC (Taipei) -2.0%.
- Aftermath, big drop (Oct 8): After its 35 big drops in the past 5 years, ARM was higher a day later 13 times out of 35; half the outcomes fell between -3.0% and +1.1%. History, not a forecast.
- 1 insider or congressional trade in the past 30 days.
- Market backdrop (Today): Core PPI m/m 1.3% vs 0.3% expected (hotter); Core Retail Sales m/m 0.9% vs 0.6% expected (stronger); S&P futures -0.08%, 10-year yield -3bp in the 30 minutes after.
- Activity: volume on pace for 1.9× its 20-day average.
Insiders
| Trade date | Insider | Role | Side | Type | Shares | Avg price | Value | Filed |
|---|---|---|---|---|---|---|---|---|
| Sep 21, 2026 | Jason Child | CFO | Sell | 10b5-1 plan | 10,400 | $300.00 | $3.1M | Sep 23 |
| Aug 27, 2026 | Jason Child | CFO | Sell | 10b5-1 plan | 10,400 | $255.33 | $2.7M | Aug 31 |
| Aug 17, 2026 | Laura Kathleen Bartels | CAO | Tax | tax withholding | 856 | $271.43 | $232.3K | Aug 18 |
| Jun 2, 2026 | Laura Kathleen Bartels | CAO | Sell | unplanned | 11,306 | $392.70 | $4.4M | Jun 4 |
| Jun 1, 2026 | William Abbey | Chief Commercial Officer | Sell | unplanned | 6,566 | $402.72 | $2.6M | Jun 3 |
| May 28, 2026 | William Abbey | Chief Commercial Officer | Sell | unplanned | 4,200 | $343.81 | $1.4M | Jun 1 |
| May 22, 2026 | William Abbey | Chief Commercial Officer | Sell | unplanned | 2,300 | $305.82 | $703.4K | May 26 |
| May 21, 2026 | Charlotte Claire Eaton | Chief People Officer | Sell | unplanned | 7,100 | $269.44 | $1.9M | May 21 |
| May 21, 2026 | Charlotte Claire Eaton | Chief People Officer | Sell | unplanned | 7,805 | $290.01 | $2.3M | May 22 |
| May 21, 2026 | William Abbey | Chief Commercial Officer | Sell | unplanned | 4,655 | $287.03 | $1.3M | May 22 |
| May 20, 2026 | Jason Child | CFO | Sell | 10b5-1 plan | 31,920 | $226.54 | $7.2M | May 21 |
| May 20, 2026 | William Abbey | Chief Commercial Officer | Sell | unplanned | 15,956 | $234.64 | $3.7M | May 21 |
| May 19, 2026 | Spencer Collins | General Counsel | Sell | unplanned | 40,941 | $215.00 | $8.8M | May 21 |
| May 18, 2026 | Richard Roy Grisenthwaite | Chief Architect | Sell | unplanned | 24,339 | $209.15 | $5.1M | May 19 |
| May 15, 2026 | Young Sohn | Director | Tax | tax withholding | 429 | $209.16 | $89.7K | May 19 |
| May 15, 2026 | Jason Child | CFO | Tax | tax withholding | 37,950 | $209.16 | $7.9M | May 19 |
| May 15, 2026 | Rene A. Haas | CEO | Tax | tax withholding | 143,316 | $209.16 | $30M | May 19 |
| May 15, 2026 | Charlotte Claire Eaton | Chief People Officer | Tax | tax withholding | 3,672 | $209.16 | $768K | May 19 |
| May 15, 2026 | Spencer Collins | General Counsel | Tax | tax withholding | 36,310 | $209.16 | $7.6M | May 19 |
| May 15, 2026 | Richard Roy Grisenthwaite | Chief Architect | Tax | tax withholding | 21,301 | $209.16 | $4.5M | May 19 |
| May 15, 2026 | William Abbey | Chief Commercial Officer | Sell | 10b5-1 plan | 10,154 | $211.91 | $2.2M | May 19 |
| May 15, 2026 | William Abbey | Chief Commercial Officer | Tax | tax withholding | 15,317 | $209.16 | $3.2M | May 19 |
| May 15, 2026 | Laura Kathleen Bartels | CAO | Tax | tax withholding | 3,383 | $209.16 | $707.6K | May 19 |
| May 11, 2026 | Spencer Collins | General Counsel | Sell | unplanned | 51,961 | $211.73 | $11M | May 13 |
| Apr 22, 2026 | Jason Child | CFO | Sell | 10b5-1 plan | 21,280 | $180.00 | $3.8M | Apr 23 |
| Apr 14, 2026 | Rene A. Haas | CEO | Sell | 10b5-1 plan | 9,299 | $160.85 | $1.5M | Apr 16 |
| Mar 26, 2026 | Rene A. Haas | CEO | Sell | 10b5-1 plan | 31,853 | $161.09 | $5.1M | Mar 27 |
| Mar 25, 2026 | Jason Child | CFO | Sell | 10b5-1 plan | 21,280 | $148.37 | $3.2M | Mar 27 |
Officers, directors and 10% owners file SEC Form 4 within two business days. Unplanned: the insider chose to trade now, the trades worth attention; their dollars make the net above. 10b5-1 plan: scheduled in advance, kept for the record. Tax: shares withheld on vesting stock, not a market trade. Awards, option exercises and gifts are left out. Source: SEC EDGAR, collected daily for the stocks discussed on Reddit.
Congress
| Trade date | Member | Chamber | Side | Amount | Disclosed |
|---|---|---|---|---|---|
| Dec 11, 2025 | Cleo Fields | House | Sell | $50K–$100K | Dec 17 |
Members of Congress report trades within 45 days of the trade date, so these are never real-time. Amounts are disclosed as ranges; the net uses each range's midpoint (≈). Source: House and Senate periodic transaction reports via CongressInvests, refreshed daily.
Funds
| Investor | Shares | Value | Of its portfolio | Vs quarter before | As of |
|---|---|---|---|---|---|
| Duquesne Family Office (Stanley Druckenmiller) | 28,090 | $10M | 0.23% | -74% | Q2 2026 |
| Bridgewater (Ray Dalio's firm) | 4,924 | $1.7M | 0.01% | -99% | Q2 2026 |
| Date | Investor | Move | Source | Shares | ≈ Value | Now held | Filed |
|---|---|---|---|---|---|---|---|
| Aug 14, 2026 | Bridgewater (Ray Dalio's firm) | Trimmed | 13F, Q2 2026 | 588,437 | $208.6M | 0.0% | Aug 14 |
| Aug 14, 2026 | Duquesne Family Office (Stanley Druckenmiller) | Trimmed | 13F, Q2 2026 | 78,610 | $27.9M | 0.2% | Aug 14 |
| May 15, 2026 | Coatue (Philippe Laffont) | Sold out | 13F, Q1 2026 | 2,300,000 | $251.4M | May 15 | |
| May 15, 2026 | Bridgewater (Ray Dalio's firm) | Added | 13F, Q1 2026 | 267,041 | $40.4M | 0.4% | May 15 |
| May 15, 2026 | Duquesne Family Office (Stanley Druckenmiller) | New stake | 13F, Q1 2026 | 106,700 | $16.1M | 0.5% | May 15 |
| Feb 17, 2026 | Duquesne Family Office (Stanley Druckenmiller) | Sold out | 13F, Q4 2025 | 167,900 | $23.8M | Feb 17 | |
| Nov 14, 2025 | Coatue (Philippe Laffont) | Trimmed | 13F, Q3 2025 | 2,373,628 | $335.8M | 0.8% | Nov 14 |
| Nov 14, 2025 | Duquesne Family Office (Stanley Druckenmiller) | New stake | 13F, Q3 2025 | 167,900 | $23.8M | 0.6% | Nov 14 |
| Nov 13, 2025 | Bridgewater (Ray Dalio's firm) | Sold out | 13F, Q3 2025 | 473,725 | $76.6M | Nov 13 |
Well-known investors we follow (Buffett, Ackman, Icahn, Druckenmiller, Tepper, Soros and others). 13F: managers report their US stock holdings up to 45 days after each quarter; the change from the quarter before is dated by the filing, the trades happened some time in the quarter, and the value is at the quarter-end price (≈). New and closed positions, and adds or cuts of 20% or more, of positions at least 0.2% of the portfolio. ARK: Cathie Wood's ETFs publish their holdings every morning; the change beyond the fund's own inflows and outflows, dated by the session it traded. 5%+ stake: Schedule 13D (with intent to influence) or 13G (passive), filed within days. Source: SEC EDGAR, ark-funds.com, refreshed daily. Who holds it: each investor's latest 13F portfolio (positions at the quarter's end; one sold since would not show until the next filing), and ARK's ETFs as of their latest daily file. The funds we follow and their portfolios · All recent insider, congressional and fund moves