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Amphenol stock timeline
A year of the price with every insider trade, planned sale, earnings report and material 8-K marked
252 sessions+8.8% to $74.59
Amphenol (APH) stock rose 9% over the last 252 sessions, to $74.59. On the way it reported 4 quarters, its insiders filed no open-market trades (10b5-1 plan sales aside) and 8 Form 144 notices of planned sales, and the company filed 9 material 8-Ks. Each is marked on the price and listed with what the stock did next.
Each mark, and what followed
| Date | Kind | What | Next session | 5 sessions | 21 sessions |
|---|---|---|---|---|---|
| Nov 2, 2026 | Form 144 | Form 144: Richard Adam Norwitt plans to sell $65.9M | +0.7% (+1.2% vs SPY) | −6.1% (−3.4% vs SPY) | — |
| Oct 28, 2026 | Earnings | Earnings: beat the EPS estimate by 9.5% | +3.5% (+3.1% vs SPY) | +7.4% (+9.4% vs SPY) | — |
| Oct 6, 2026 | 8-K | Directors and officers: departures, appointments, pay | −1.2% (−1.0% vs SPY) | −3.1% (−3.0% vs SPY) | −11.5% (−9.9% vs SPY) |
| Aug 5, 2026 | Form 144 | Form 144: David Silverman plans to sell $20.9M | +0.5% (+0.7% vs SPY) | −2.4% (−2.3% vs SPY) | −6.8% (−6.0% vs SPY) |
| Aug 4, 2026 | Form 144 | Form 144: Lampo Family Trust plans to sell $14.5M | +4.8% (+3.0% vs SPY) | +2.6% (+0.6% vs SPY) | −0.1% (−0.6% vs SPY) |
| Aug 4, 2026 | Form 144 | Form 144: Craig Lampo plans to sell $32.3M | +4.8% (+3.0% vs SPY) | +2.6% (+0.6% vs SPY) | −0.1% (−0.6% vs SPY) |
| Aug 3, 2026 | Form 144 | Form 144: Lance D Amico plans to sell $8.1M | +1.6% (+0.2% vs SPY) | +5.1% (+1.7% vs SPY) | −1.3% (−4.0% vs SPY) |
| Aug 3, 2026 | Form 144 | Form 144: Lance E Damico 2024 Irrv Trust plans to sell $8.1M | +1.6% (+0.2% vs SPY) | +5.1% (+1.7% vs SPY) | −1.3% (−4.0% vs SPY) |
| Jul 31, 2026 | Form 144 | Form 144: Richard Adam Norwitt plans to sell $80.8M | +0.5% (−0.2% vs SPY) | +6.5% (+3.0% vs SPY) | −1.3% (−5.0% vs SPY) |
| Jul 31, 2026 | Form 144 | Form 144: Norwitt Family Trust plans to sell $30.2M | +0.5% (−0.2% vs SPY) | +6.5% (+3.0% vs SPY) | −1.3% (−5.0% vs SPY) |
| Jul 29, 2026 | Earnings | Earnings: beat the EPS estimate by 13.2% | +4.4% (+5.9% vs SPY) | +17.5% (+13.4% vs SPY) | +11.5% (+8.1% vs SPY) |
| May 12, 2026 | 8-K | Material definitive agreement | −2.6% (−3.1% vs SPY) | −7.0% (−6.4% vs SPY) | +17.6% (+17.6% vs SPY) |
| May 6, 2026 | 8-K | Material definitive agreement | +1.3% (−0.1% vs SPY) | −6.7% (−8.6% vs SPY) | +7.1% (+2.6% vs SPY) |
| Apr 29, 2026 | Earnings | Earnings: beat the EPS estimate by 12.0% | +3.2% (+3.2% vs SPY) | −5.0% (−6.7% vs SPY) | +2.7% (−3.1% vs SPY) |
| Mar 30, 2026 | 8-K | Material definitive agreement | −3.7% (−3.4% vs SPY) | +2.3% (−1.6% vs SPY) | +15.1% (+3.5% vs SPY) |
| Mar 24, 2026 | 8-K | Material definitive agreement | +0.6% (0.0% vs SPY) | −1.3% (−0.8% vs SPY) | +16.0% (+7.9% vs SPY) |
| Feb 5, 2026 | 8-K | Directors and officers: departures, appointments, pay | −1.8% (−0.6% vs SPY) | +10.3% (+9.4% vs SPY) | +1.4% (+3.5% vs SPY) |
| Jan 28, 2026 | Earnings | Earnings: beat the EPS estimate by 3.1% | −13.0% (−13.0% vs SPY) | −12.3% (−11.4% vs SPY) | −11.3% (−10.4% vs SPY) |
| Jan 12, 2026 | 8-K | 35 8 Hall Avenue | +3.5% (+3.3% vs SPY) | +9.7% (+10.0% vs SPY) | +2.8% (+3.1% vs SPY) |
| Jan 8, 2026 | 8-K | Directors and officers: departures, appointments, pay | +2.8% (+2.2% vs SPY) | +12.4% (+12.0% vs SPY) | +5.7% (+5.0% vs SPY) |
| Nov 10, 2025 | 8-K | Material definitive agreement | −0.3% (−0.5% vs SPY) | −8.3% (−6.0% vs SPY) | −3.7% (−4.5% vs SPY) |
What this kind of 8-K usually did
| Item | 8-Ks | Next session, median | Up next session | 21 sessions, median | Typical size |
|---|---|---|---|---|---|
| 1.01 Material definitive agreement | 23,525 | 0.0% | 51% | +1.0% | ±1.4% |
| 2.03 New debt or off-balance-sheet obligation | 13,268 | 0.0% | 50% | +1.2% | ±1.3% |
| 5.02 Directors and officers: departures, appointments, pay | 39,174 | −0.1% | 48% | +0.7% | ±1.4% |
| 2.01 Completed acquisition or disposition | 2,671 | +0.1% | 52% | +1.2% | ±1.6% |
Across every company in the move-odds universe, measured from the close before the filing. Every 8-K item ranked →
Report card: every quarter against the estimate → Amphenol: every quarter → Live insider trades →
Prices are daily closes; filings and trades are as filed with the SEC (Form 4 within two business days of the trade, 8-K within four of the event). Moves after a mark are the stock's close-to-close change and the same for SPY; they describe the record, not what the next one will do. Not investment advice.