Mark F. Lamps sold $65k of ATKR
Pres. Safety & Infrastructure at Atkore Inc.. 1,000 shares at an average of $64.75, traded Nov 17, 2025, filed Nov 17, 2025.
Score components
- +15RoleOfficer
- +8Trade size$65k at market
- 0Share of holdings soldSold 3.2% of holdings
- 0ClusterNo other insider selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m -0.9%, 3m +3.6%, 6m +16.4%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001769052-25-000009, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Nov 13, 2025 | FTax withholding Common Stock10b5-1 | -604 | $64.83 | $39k | 30,923 | Nov 17, 2025 |
| Nov 17, 2025 | SOpen-market sale Common Stock10b5-1 | -1,000 | $64.75 | $65k | 29,923 | Nov 17, 2025 |
Related signals
Other insiders at Atkore Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 0Weak | Atkore Inc. | Mark F. Lamps Pres. Safety & Infrastructure | $28k 300 shares | -1% | |
| 41Moderate | Atkore Inc. | Wilbert W James Jr director | $243k 3,299 shares | -16% | |
| 40Moderate | Atkore Inc. | Justin A Kershaw director | $206k 2,799 shares | -13% | |
| 3Weak | Atkore Inc. | Mark F. Lamps Pres. Safety & Infrastructure | $66k 1,000 shares | -3% | |
| 2Weak | Atkore Inc. | Mark F. Lamps Pres. Safety & Infrastructure | $59k 1,000 shares | -3% | |
| 3Weak | Atkore Inc. | Mark F. Lamps Pres. Safety & Infrastructure | $69k 1,000 shares | -3% | |
| 1Weak | Atkore Inc. | Mark F. Lamps Pres. Safety & Infrastructure | $33k 500 shares | -1% | |
| 49Moderate | Atkore Inc. | Jeri L Isbell director | $315k 3,353 shares | -12% | |
| 85Strong | Atkore Inc. | William E Waltz Jr. President and CEO | $11M 120,098 shares | -91% | |
| 65Notable | Atkore Inc. | Daniel S Kelly VP, General Counsel and Sec. | $1.3M 13,071 shares | -32% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.