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Generac Holdings stock timeline
A year of the price with every insider trade, planned sale, earnings report and material 8-K marked
252 sessions+15.0% to $176.78
Generac Holdings (GNRC) stock rose 15% over the last 252 sessions, to $176.78. On the way it reported 4 quarters, its insiders filed no open-market trades (10b5-1 plan sales aside) and 16 Form 144 notices of planned sales, and the company filed 2 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 5, 2026 | Form 144 | Form 144: Norman P. Taffe plans to sell $55K | −9.4% (−4.9% vs SPY) | — | — |
| Nov 3, 2026 | Form 144 | Form 144: Kyle Andrew Raabe plans to sell $126K | +3.5% (+3.2% vs SPY) | — | — |
| Nov 2, 2026 | Form 144 | Form 144: Aaron Jagdfeld plans to sell $1.0M | +2.1% (+2.5% vs SPY) | −11.3% (−8.5% vs SPY) | — |
| Oct 28, 2026 | Earnings | Earnings: beat the EPS estimate by 4.6% | +3.9% (+3.5% vs SPY) | +7.7% (+9.7% vs SPY) | — |
| Oct 6, 2026 | Form 144 | Form 144: Norman P. Taffe plans to sell $33K | +3.8% (+3.3% vs SPY) | +1.5% (+1.0% vs SPY) | −2.8% (−0.1% vs SPY) |
| Oct 5, 2026 | Form 144 | Form 144: Norman P. Taffe plans to sell $86K | −0.7% (−1.4% vs SPY) | +3.7% (+2.5% vs SPY) | −7.1% (−4.7% vs SPY) |
| Oct 2, 2026 | Form 144 | Form 144: Kyle Andrew Raabe plans to sell $128K | +4.2% (+3.4% vs SPY) | +7.6% (+6.3% vs SPY) | −4.9% (−3.8% vs SPY) |
| Oct 1, 2026 | Form 144 | Form 144: Aaron Jagdfeld plans to sell $1.0M | +0.5% (+0.3% vs SPY) | +6.7% (+4.8% vs SPY) | −1.8% (−2.6% vs SPY) |
| Sep 17, 2026 | Form 144 | Form 144: Kyle Andrew Raabe plans to sell $138K | +16.8% (+15.7% vs SPY) | +13.0% (+10.9% vs SPY) | +12.5% (+9.9% vs SPY) |
| Sep 17, 2026 | Form 144 | Form 144: Norman P. Taffe plans to sell $34K | +16.8% (+15.7% vs SPY) | +13.0% (+10.9% vs SPY) | +12.5% (+9.9% vs SPY) |
| Sep 16, 2026 | 8-K | Material definitive agreement | +16.8% (+15.7% vs SPY) | +13.0% (+10.9% vs SPY) | +12.5% (+9.9% vs SPY) |
| Sep 8, 2026 | Form 144 | Form 144: Norman P. Taffe plans to sell $75K | +1.5% (+2.1% vs SPY) | −5.7% (−4.5% vs SPY) | +17.7% (+16.3% vs SPY) |
| Sep 1, 2026 | Form 144 | Form 144: Aaron Jagdfeld plans to sell $911K | −2.2% (−1.5% vs SPY) | +2.6% (+2.7% vs SPY) | +11.0% (+11.4% vs SPY) |
| Aug 7, 2026 | Form 144 | Form 144: Kyle Andrew Raabe plans to sell $125K | +0.5% (−0.1% vs SPY) | +2.6% (+1.4% vs SPY) | −12.0% (−12.2% vs SPY) |
| Aug 5, 2026 | Form 144 | Form 144: Norman P. Taffe plans to sell $120K | −0.6% (−0.4% vs SPY) | −1.3% (−1.2% vs SPY) | −19.0% (−18.2% vs SPY) |
| Aug 3, 2026 | Form 144 | Form 144: Aaron Jagdfeld plans to sell $974K | +2.1% (+0.6% vs SPY) | +7.4% (+3.9% vs SPY) | −6.1% (−8.8% vs SPY) |
| Jul 29, 2026 | Earnings | Earnings: beat the EPS estimate by 44.6% | −0.2% (+1.3% vs SPY) | +11.1% (+7.1% vs SPY) | +5.5% (+2.1% vs SPY) |
| Jul 6, 2026 | Form 144 | Form 144: Norman P. Taffe plans to sell $141K | +2.0% (+1.1% vs SPY) | −7.7% (−9.1% vs SPY) | −22.8% (−24.5% vs SPY) |
| Jul 1, 2026 | Form 144 | Form 144: Aaron Jagdfeld plans to sell $1.4M | −8.0% (−7.9% vs SPY) | −21.3% (−21.1% vs SPY) | −42.3% (−41.6% vs SPY) |
| Apr 29, 2026 | Earnings | Earnings: beat the EPS estimate by 35.5% | +15.3% (+15.3% vs SPY) | +19.4% (+17.7% vs SPY) | +25.2% (+19.4% vs SPY) |
| Mar 25, 2026 | 8-K | Directors and officers: departures, appointments, pay | −1.9% (−2.5% vs SPY) | −6.9% (−6.4% vs SPY) | +4.3% (−3.8% vs SPY) |
| Feb 11, 2026 | Earnings | Earnings: missed the EPS estimate by -9.0% | +16.5% (+16.5% vs SPY) | +22.5% (+23.4% vs SPY) | +11.3% (+15.1% vs SPY) |
What this kind of 8-K usually did
| Item | 8-Ks | Next session, median | Up next session | 21 sessions, median | Typical size |
|---|---|---|---|---|---|
| 5.02 Directors and officers: departures, appointments, pay | 39,174 | −0.1% | 48% | +0.7% | ±1.4% |
| 1.01 Material definitive agreement | 23,525 | 0.0% | 51% | +1.0% | ±1.4% |
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 → Generac Holdings: 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.