Insider · CIK 0001362208
Mark R Widmar
Files at FSLR (FIRST SOLAR, INC.). First filing Mar 3, 2025, latest May 27, 2026.
Mark R Widmar files SEC Form 4 as CEO and director at FSLR (FIRST SOLAR, INC.). Since Mar 3, 2025, Mark R Widmar has reported 0 open-market buys worth $0 and 12 open-market sells worth $18M, the latest filed on May 27, 2026.
A track record needs three past buys with six months of prices behind them; Mark R Widmar has 0, so none is measured yet.
The newest scored trade: sold $1.9M of FSLR on May 22, 2026, filed May 27, 2026, scored 45 (moderate), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 7 sells worth $9.0M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
FSLR: FIRST SOLAR, 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™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 45Moderate | FIRST SOLAR, INC. | $1.9M 7,172 shares | -8% | +79% from low-9% from high | |
| 45Moderate | FIRST SOLAR, INC. | $1.2M 4,815 shares | -5% | +73% from low-13% from high | |
| 50Moderate | FIRST SOLAR, INC. | $2.6M 11,226 shares | -11% | +62% from low-18% from high | |
| 40Moderate | FIRST SOLAR, INC. | $329k 1,526 shares | -1% | +73% from low-23% from high | |
| 41Moderate | FIRST SOLAR, INC. | $389k 1,937 shares | -2% | +66% from low-30% from high | |
| 50Moderate | FIRST SOLAR, INC. | $1.1M 5,537 shares | -5% | +62% from low-31% from high | |
| 65Notable | FIRST SOLAR, INC. | $1.5M 7,738 shares | -8% | +64% from low-31% from high | |
| 37Weak | FIRST SOLAR, INC. | $463k 2,321 shares | -3% | +66% from low-22% from high | |
| 50Moderate | FIRST SOLAR, INC. | $5.1M 27,708 shares | -25% | +53% from low-28% from high | |
| 38Weak | FIRST SOLAR, INC. | $263k 1,966 shares | -2% | - | |
| 36Weak | FIRST SOLAR, INC. | $169k 1,272 shares | -1% | - | |
| 50Moderate | FIRST SOLAR, INC. | $3.0M 21,542 shares | -17% | - |
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 15, 2025 | FSLR FIRST SOLAR, INC. | 2,321 0.00% of outstanding | $463k | Aug 15, 2025 | $5.1M |
| Aug 13, 2025 | FSLR FIRST SOLAR, INC. | 3,796 0.00% of outstanding | $711k | Aug 13, 2025 | $4.4M |
| Aug 12, 2025 | FSLR FIRST SOLAR, INC. | 23,912 0.02% of outstanding | $4.4M | Aug 12, 2025 | none |
| Mar 17, 2025 | FSLR FIRST SOLAR, INC. | 1,966 0.00% of outstanding | $263k | Mar 17, 2025 | $3.2M |
| Mar 7, 2025 | FSLR FIRST SOLAR, INC. | 1,272 0.00% of outstanding | $169k | Mar 7, 2025 | $3.0M |
| Feb 28, 2025 | FSLR FIRST SOLAR, INC. | 21,542 0.02% of outstanding | $3.0M | Feb 28, 2025 | none |
Transactions
The newest 50 of 106 rows this insider has filed.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| May 22, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -239 | $250.02 | $60k | 88,794 | May 27, 2026 |
| May 22, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -172 | $251.53 | $43k | 88,622 | May 27, 2026 |
| May 22, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -97 | $252.87 | $25k | 88,525 | May 27, 2026 |
| May 22, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -218 | $253.63 | $55k | 88,307 | May 27, 2026 |
| May 22, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -916 | $254.93 | $234k | 87,391 | May 27, 2026 |
| May 22, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -64 | $255.59 | $16k | 87,327 | May 27, 2026 |
| May 22, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -75 | $256.32 | $19k | 87,252 | May 27, 2026 |
| May 22, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -149 | $257.55 | $38k | 87,103 | May 27, 2026 |
| May 22, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -47 | $258.48 | $12k | 87,056 | May 27, 2026 |
| May 26, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -364 | $265.15 | $97k | 86,692 | May 27, 2026 |
| May 26, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -1,237 | $266.60 | $330k | 85,455 | May 27, 2026 |
| May 26, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -628 | $267.72 | $168k | 84,827 | May 27, 2026 |
| May 26, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -1,009 | $268.89 | $271k | 83,818 | May 27, 2026 |
| May 26, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -632 | $270.05 | $171k | 83,186 | May 27, 2026 |
| May 26, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -726 | $271.23 | $197k | 82,460 | May 27, 2026 |
| May 26, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -473 | $273.17 | $129k | 81,987 | May 27, 2026 |
| May 26, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -126 | $276.29 | $35k | 81,861 | May 27, 2026 |
| May 21, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -672 | $240.10 | $161k | 93,176 | May 22, 2026 |
| May 21, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -362 | $241.40 | $87k | 92,814 | May 22, 2026 |
| May 21, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -136 | $244.62 | $33k | 92,678 | May 22, 2026 |
| May 21, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -229 | $246.23 | $56k | 92,449 | May 22, 2026 |
| May 21, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -98 | $247.53 | $24k | 92,351 | May 22, 2026 |
| May 21, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -179 | $248.80 | $45k | 92,172 | May 22, 2026 |
| May 21, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -1,131 | $249.70 | $282k | 91,041 | May 22, 2026 |
| May 21, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -472 | $250.61 | $118k | 90,569 | May 22, 2026 |
| May 21, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -569 | $251.64 | $143k | 90,000 | May 22, 2026 |
| May 21, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -261 | $254.29 | $66k | 89,739 | May 22, 2026 |
| May 21, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -179 | $255.31 | $46k | 89,560 | May 22, 2026 |
| May 21, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -6 | $256.96 | $1,542 | 89,554 | May 22, 2026 |
| May 21, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -521 | $243.19 | $127k | 89,033 | May 22, 2026 |
| May 11, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -1,500 | $230.18 | $345k | 103,574 | May 13, 2026 |
| May 11, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -1,026 | $231.53 | $238k | 102,548 | May 13, 2026 |
| May 11, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -2,262 | $232.55 | $526k | 100,286 | May 13, 2026 |
| May 11, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -1,877 | $233.56 | $438k | 98,409 | May 13, 2026 |
| May 11, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -1,498 | $234.84 | $352k | 96,911 | May 13, 2026 |
| May 11, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -1,363 | $235.69 | $321k | 95,548 | May 13, 2026 |
| May 11, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -400 | $236.53 | $95k | 95,148 | May 13, 2026 |
| May 13, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock10b5-1 | -1,300 | $240.02 | $312k | 93,848 | May 13, 2026 |
| May 4, 2026 | FSLR FIRST SOLAR, INC. | MOption exercise Common Stock | +3,802 | $0.00 | $0 | 106,600 | May 5, 2026 |
| May 5, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock | -1,526 | $215.63 | $329k | 105,074 | May 5, 2026 |
| May 4, 2026 | FSLR FIRST SOLAR, INC. | MOption exercise Restricted Stock Unitsderivative | -3,802 | $0.00 | $0 | 11,407 | May 5, 2026 |
| Mar 13, 2026 | FSLR FIRST SOLAR, INC. | MOption exercise Common Stock | +4,856 | $0.00 | $0 | 104,735 | Mar 17, 2026 |
| Mar 16, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock | -1,937 | $200.80 | $389k | 102,798 | Mar 17, 2026 |
| Mar 13, 2026 | FSLR FIRST SOLAR, INC. | MOption exercise Restricted Stock Unitsderivative | -4,856 | $0.00 | $0 | 4,856 | Mar 17, 2026 |
| Mar 6, 2026 | FSLR FIRST SOLAR, INC. | MOption exercise Common Stock | +5,101 | $0.00 | $0 | 96,888 | Mar 10, 2026 |
| Mar 6, 2026 | FSLR FIRST SOLAR, INC. | MOption exercise Common Stock | +1,178 | $0.00 | $0 | 98,066 | Mar 10, 2026 |
| Mar 6, 2026 | FSLR FIRST SOLAR, INC. | MOption exercise Common Stock | +3,156 | $0.00 | $0 | 101,222 | Mar 10, 2026 |
| Mar 6, 2026 | FSLR FIRST SOLAR, INC. | MOption exercise Common Stock | +4,194 | $0.00 | $0 | 105,416 | Mar 10, 2026 |
| Mar 9, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock | -2,072 | $190.36 | $394k | 103,344 | Mar 10, 2026 |
| Mar 9, 2026 | FSLR FIRST SOLAR, INC. | SOpen-market sale Common Stock | -480 | $190.36 | $91k | 102,864 | Mar 10, 2026 |
Questions about Mark R Widmar
Answered from the filings on this page, as of the latest one.
Is Mark R Widmar buying or selling?
In the last 12 months Mark R Widmar reported 0 open-market buys worth $0 and 7 open-market sells worth $9.0M on SEC Form 4; the latest was sold $1.9M of FSLR on May 22, 2026. Grants, option exercises and tax withholding are not counted.
How did Mark R Widmar's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Mark R Widmar has 0.
Where does Mark R Widmar file Form 4?
Mark R Widmar has filed Form 4 at FSLR (FIRST SOLAR, INC.) as Chief Executive Officer. 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.