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Tidewater stock timeline
A year of the price with every insider trade, planned sale, earnings report and material 8-K marked
252 sessions+37.6% to $70.06
Tidewater (TDW) stock rose 38% over the last 252 sessions, to $70.06. On the way it reported 4 quarters, its insiders filed 8 open-market trades and 7 Form 144 notices of planned sales, 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 |
|---|---|---|---|---|---|
| Oct 5, 2026 | 8-K | Material definitive agreement | +1.8% (+1.2% vs SPY) | +3.6% (+2.4% vs SPY) | −4.2% (−1.9% vs SPY) |
| Sep 25, 2026 | 8-K | Material definitive agreement | −1.8% (−1.0% vs SPY) | −2.8% (−2.6% vs SPY) | −0.3% (+0.5% vs SPY) |
| Sep 16, 2026 | Form 144 | Form 144: Robert Robotti plans to sell $47.6M | −4.0% (−3.6% vs SPY) | −5.2% (−7.5% vs SPY) | −10.3% (−12.2% vs SPY) |
| Sep 16, 2026 | Insider sale | Robotti Robert sold $925K | −4.0% (−3.6% vs SPY) | −5.2% (−7.5% vs SPY) | −10.3% (−12.2% vs SPY) |
| Sep 2, 2026 | Form 144 | Form 144: Daniel A. Hudson plans to sell $1.5M | +4.6% (+4.1% vs SPY) | −3.2% (−3.3% vs SPY) | −15.7% (−16.2% vs SPY) |
| Sep 2, 2026 | Insider sale | Traub Kenneth sold $990K | +4.6% (+4.1% vs SPY) | −3.2% (−3.3% vs SPY) | −15.7% (−16.2% vs SPY) |
| Sep 1, 2026 | Form 144 | Form 144: Kenneth Traub plans to sell $1.9M | +3.2% (+3.8% vs SPY) | −1.2% (−1.1% vs SPY) | −13.8% (−13.5% vs SPY) |
| Aug 31, 2026 | 8-K | Material definitive agreement | +3.2% (+3.8% vs SPY) | −1.2% (−1.1% vs SPY) | −13.8% (−13.5% vs SPY) |
| Aug 12, 2026 | Form 144 | Form 144: Samuel R Rubio plans to sell $1.7M | +0.4% (+0.2% vs SPY) | +3.2% (+3.6% vs SPY) | +0.9% (+2.5% vs SPY) |
| Aug 12, 2026 | Insider sale | Rubio Samuel R sold $1.6M | +0.4% (+0.2% vs SPY) | +3.2% (+3.6% vs SPY) | +0.9% (+2.5% vs SPY) |
| Aug 10, 2026 | Form 144 | Form 144: Daniel A. Hudson plans to sell $445K | +7.9% (+7.9% vs SPY) | +12.9% (+12.5% vs SPY) | +10.5% (+11.4% vs SPY) |
| Aug 10, 2026 | Insider sale | Hudson Daniel A. sold $445K | +7.9% (+7.9% vs SPY) | +12.9% (+12.5% vs SPY) | +10.5% (+11.4% vs SPY) |
| Aug 3, 2026 | Earnings | Earnings: beat the EPS estimate by 3.3% | −4.9% (−6.3% vs SPY) | +9.9% (+6.4% vs SPY) | +21.6% (+18.9% vs SPY) |
| Jul 22, 2026 | Form 144 | Form 144: Darron M. Anderson plans to sell $96K | −1.4% (−1.2% vs SPY) | −4.4% (−3.5% vs SPY) | +19.2% (+16.5% vs SPY) |
| Jun 25, 2026 | Form 144 | Form 144: Darron M. Anderson plans to sell $175K | +1.8% (+1.6% vs SPY) | +3.7% (+2.0% vs SPY) | +19.5% (+18.8% vs SPY) |
| Jun 18, 2026 | 8-K | Directors and officers: departures, appointments, pay | +2.6% (+2.9% vs SPY) | +4.0% (+6.4% vs SPY) | +18.8% (+18.7% vs SPY) |
| May 4, 2026 | Earnings | Earnings: missed the EPS estimate by -81.5% | −0.9% (−0.5% vs SPY) | −7.9% (−10.3% vs SPY) | −15.9% (−21.2% vs SPY) |
| Mar 19, 2026 | 8-K | Directors and officers: departures, appointments, pay | −2.4% (−1.0% vs SPY) | +8.4% (+10.4% vs SPY) | +13.5% (+6.1% vs SPY) |
| Mar 5, 2026 | Insider sale | Rubio Samuel R sold $1.8M | −4.3% (−3.7% vs SPY) | −9.1% (−7.8% vs SPY) | +0.7% (+4.8% vs SPY) |
| Mar 5, 2026 | Insider sale | Hudson Daniel A. sold $419K | −4.3% (−3.7% vs SPY) | −9.1% (−7.8% vs SPY) | +0.7% (+4.8% vs SPY) |
| Mar 2, 2026 | Earnings | Earnings: missed the EPS estimate by -41.4% | +0.6% (+0.5% vs SPY) | −2.1% (−0.1% vs SPY) | +3.1% (+11.0% vs SPY) |
| Feb 24, 2026 | 8-K | Material definitive agreement | −1.1% (−2.0% vs SPY) | +9.9% (+10.9% vs SPY) | −2.0% (+2.3% vs SPY) |
| Feb 23, 2026 | Insider sale | Hudson Daniel A. sold $1.2M | +7.3% (+8.3% vs SPY) | +7.9% (+8.4% vs SPY) | +2.8% (+7.6% vs SPY) |
| Feb 11, 2026 | Insider sale | Hudson Daniel A. sold $700K | +3.7% (+3.7% vs SPY) | +4.1% (+4.9% vs SPY) | +10.8% (+14.7% vs SPY) |
| Nov 10, 2025 | Earnings | Earnings: beat the EPS estimate by 19.8% | +3.3% (+1.8% vs SPY) | +10.5% (+10.4% vs SPY) | +9.5% (+7.7% vs SPY) |
Insiders’ record here
In the year on the chart, Tidewater's insiders reported 0 open-market buys ($0) and 8 sales ($8.1M). Of the 5 old enough to score, 4 were followed by the stock doing what the trade implied over the next 63 sessions (beating SPY after a buy, lagging it after a sale); the median excess return after a buy was — and after a sale −16.6%.
Across the whole universe (19,782 scored trades), insider buys beat the market 46% of the time and sales were followed by a lagging stock 61% of the time; buys of $1M or more 39%. Every pattern →
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% |
| 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% |
| 2.03 New debt or off-balance-sheet obligation | 13,268 | 0.0% | 50% | +1.2% | ±1.3% |
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 → Tidewater: 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.