Insider · CIK 0001423238
Michael A Lewis
Files at NPKI (NEWPARK RESOURCES INC), POR (PORTLAND GENERAL ELECTRIC CO /OR/). First filing Jun 17, 2025, latest Aug 19, 2026.
In brief
Michael A Lewis files SEC Form 4 as director at NPKI (NEWPARK RESOURCES INC), and also at POR (PORTLAND GENERAL ELECTRIC CO /OR/). Since Jun 17, 2025, Michael A Lewis has reported 0 open-market buys worth $0 and 8 open-market sells worth $308k, the latest filed on Aug 19, 2026.
A track record needs three past buys with six months of prices behind them; Michael A Lewis has 0, so none is measured yet.
The newest scored trade: sold $29k of NPKI on Aug 17, 2026, filed Aug 19, 2026, scored 8 (weak), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 5 sells worth $192k.
Where the trades landed
Last year at the 2 companies this insider has traded most, with each buy and sell on the bar it happened.
NPKI: NEWPARK RESOURCES INC
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
POR: PORTLAND GENERAL ELECTRIC CO /OR/
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 8Weak | NEWPARK RESOURCES INC | $29k 2,013 shares | -1% | +47% from low-12% from high | |
| 4Weak | PORTLAND GENERAL ELECTRIC CO /OR/ | $80k 1,537 shares | -9% | +31% from low-5% from high | |
| 0Weak | NEWPARK RESOURCES INC | $31k 2,013 shares | -2% | +94% from low-6% from high | |
| 15Weak | NEWPARK RESOURCES INC | $29k 2,013 shares | -2% | +191% from low-2% from high | |
| 0Weak | NEWPARK RESOURCES INC | $24k 2,013 shares | -1% | +141% from low-13% from high | |
| 10Weak | NEWPARK RESOURCES INC | $21k 2,013 shares | -1% | +108% from low-1% from high | |
| 24Weak | PORTLAND GENERAL ELECTRIC CO /OR/ | $78k 1,937 shares | -13% | +3% from low-14% from high | |
| 3Weak | NEWPARK RESOURCES INC | $17k 2,013 shares | -1% | +77% from low0% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Aug 17, 2026 | NPKI NPK International Inc. | 4,026 0.00% of outstanding | $57k | Aug 17, 2026 | none |
| Jul 27, 2026 | POR PORTLAND GENERAL ELECTRIC CO /OR/ | 1,537 0.00% of outstanding | $80k | Jul 27, 2026 | none |
| May 15, 2026 | NPKI NPK International Inc. | 2,013 0.00% of outstanding | $32k | May 15, 2026 | $29k |
| Nov 24, 2025 | NPKI NPK International Inc. | 4,026 0.00% of outstanding | $46k | Nov 24, 2025 | $21k |
| Jul 21, 2025 | POR PORTLAND GENERAL ELECTRIC CO /OR/ | 1,937 0.00% of outstanding | $78k | Jul 21, 2025 | none |
| Jun 16, 2025 | NPKI NPK International Inc. | 4,026 0.00% of outstanding | $34k | Jun 16, 2025 | none |
Transactions
Every row this insider has filed, 12 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Aug 17, 2026 | NPKI NEWPARK RESOURCES INC | SOpen-market sale Common Stock10b5-1 | -2,013 | $14.26 | $29k | 135,865 | Aug 19, 2026 |
| Jul 24, 2026 | POR PORTLAND GENERAL ELECTRIC CO /OR/ | AGrant or award Common Stock10b5-1 | +3,073 | $52.05 | $160k | 16,582 | Jul 28, 2026 |
| Jul 27, 2026 | POR PORTLAND GENERAL ELECTRIC CO /OR/ | SOpen-market sale Common Stock10b5-1 | -1,537 | $51.83 | $80k | 15,045 | Jul 28, 2026 |
| May 20, 2026 | NPKI NEWPARK RESOURCES INC | AGrant or award Common Stock | +8,558 | $0.00 | $0 | 137,878 | May 21, 2026 |
| May 15, 2026 | NPKI NEWPARK RESOURCES INC | SOpen-market sale Common Stock10b5-1 | -2,013 | $15.30 | $31k | 129,320 | May 19, 2026 |
| Feb 23, 2026 | NPKI NEWPARK RESOURCES INC | SOpen-market sale Common Stock10b5-1 | -2,013 | $14.31 | $29k | 131,333 | Feb 25, 2026 |
| Nov 24, 2025 | NPKI NEWPARK RESOURCES INC | SOpen-market sale Common Stock10b5-1 | -2,013 | $12.00 | $24k | 133,346 | Nov 25, 2025 |
| Aug 25, 2025 | NPKI NEWPARK RESOURCES INC | SOpen-market sale Common Stock10b5-1 | -2,013 | $10.33 | $21k | 135,359 | Aug 26, 2025 |
| Jul 21, 2025 | POR PORTLAND GENERAL ELECTRIC CO /OR/ | SOpen-market sale Common Stock10b5-1 | -1,937 | $40.10 | $78k | 13,509 | Jul 22, 2025 |
| Jul 18, 2025 | POR PORTLAND GENERAL ELECTRIC CO /OR/ | AGrant or award Common Stock | +3,873 | $40.02 | $155k | 15,446 | Jul 21, 2025 |
| Jun 16, 2025 | NPKI NEWPARK RESOURCES INC | SOpen-market sale Common Stock10b5-1 | -2,013 | $8.60 | $17k | 137,372 | Jun 17, 2025 |
| May 15, 2025 | NPKI NEWPARK RESOURCES INC | AGrant or award Common Stock | +15,097 | $0.00 | $0 | 139,385 | May 19, 2025 |
Questions about Michael A Lewis
Answered from the filings on this page, as of the latest one.
Is Michael A Lewis buying or selling?
In the last 12 months Michael A Lewis reported 0 open-market buys worth $0 and 5 open-market sells worth $192k on SEC Form 4; the latest was sold $29k of NPKI on Aug 17, 2026. Grants, option exercises and tax withholding are not counted.
How did Michael A Lewis's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Michael A Lewis has 0.
Where does Michael A Lewis file Form 4?
Michael A Lewis has filed Form 4 at NPKI (NEWPARK RESOURCES INC); POR (PORTLAND GENERAL ELECTRIC CO /OR/). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
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.