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Talen Energy stock timeline
A year of the price with every insider trade, planned sale, earnings report and material 8-K marked
252 sessions−12.3% to $338.64
Talen Energy (TLN) stock fell 12% over the last 252 sessions, to $338.64. On the way it reported 4 quarters, its insiders filed no open-market trades (10b5-1 plan sales aside), and the company filed 6 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 3, 2026 | Earnings | Earnings: missed the EPS estimate by -21.0% | +7.0% (+6.7% vs SPY) | — | — |
| Sep 29, 2026 | 8-K | Directors and officers: departures, appointments, pay | −0.7% (−0.5% vs SPY) | +17.0% (+15.0% vs SPY) | +10.0% (+8.9% vs SPY) |
| Aug 5, 2026 | Earnings | Earnings: missed the EPS estimate by -30.0% | −3.0% (−2.8% vs SPY) | +5.1% (+5.2% vs SPY) | −11.8% (−11.0% vs SPY) |
| Jun 15, 2026 | 8-K | Material definitive agreement | +5.1% (+5.7% vs SPY) | +6.4% (+9.1% vs SPY) | −4.8% (−4.4% vs SPY) |
| May 21, 2026 | 8-K | Material definitive agreement | +3.3% (+2.9% vs SPY) | +7.1% (+5.2% vs SPY) | +13.3% (+14.3% vs SPY) |
| May 5, 2026 | Earnings | Earnings: beat the EPS estimate by 2.9% | +0.1% (−0.7% vs SPY) | −0.3% (−3.2% vs SPY) | −1.3% (−6.2% vs SPY) |
| Feb 26, 2026 | Earnings | Earnings: beat the EPS estimate by 1.2% | −0.3% (+0.2% vs SPY) | −15.1% (−13.9% vs SPY) | −19.2% (−12.2% vs SPY) |
| Jan 15, 2026 | 8-K | Material definitive agreement | +11.2% (+10.9% vs SPY) | +1.3% (+1.5% vs SPY) | +0.5% (+1.7% vs SPY) |
| Dec 15, 2025 | 8-K | Directors and officers: departures, appointments, pay | +0.4% (+0.6% vs SPY) | +4.4% (+4.2% vs SPY) | +5.0% (+3.5% vs SPY) |
| Nov 25, 2025 | 8-K | Material definitive agreement | +3.5% (+2.8% vs SPY) | −3.6% (−4.9% vs SPY) | +1.4% (−1.1% vs SPY) |
What this kind of 8-K usually did
| Item | 8-Ks | Next session, median | Up next session | 21 sessions, median | Typical size |
|---|---|---|---|---|---|
| 1.01 Material definitive agreement | 23,525 | 0.0% | 51% | +1.0% | ±1.4% |
| 2.01 Completed acquisition or disposition | 2,671 | +0.1% | 52% | +1.2% | ±1.6% |
| 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% |
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 → Talen Energy: 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.