Theurer Nathan B.
Officer · FSLR
As of 2026-09-16, Theurer Nathan B. has 41 Form 4 transactions on record across 1 company — 25 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in March in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-05-06 | FSLR | Sale | 31 @ $218.16 | $7K | −100.0% of holding | 0 | Form 4 |
| 2026-05-05 | FSLR | Sale | 13 @ $215.63 | $3K | −29.5% of holding | 31 | Form 4 |
| 2026-03-17 | FSLR | Sale | 96 @ $199.53 | $19K | −100.0% of holding | 0 | Form 4 |
| 2026-03-16 | FSLR | Sale | 35 @ $200.80 | $7K | −26.7% of holding | 96 | Form 4 |
| 2026-03-10 | FSLR | Sale | 324 @ $195.70 | $63K | −100.0% of holding | 0 | Form 4 |
| 2026-03-09 | FSLR | Sale | 55 @ $190.36 | $10K | −14.5% of holding | 324 | Form 4 |
| 2026-03-09 | FSLR | Sale | 43 @ $190.36 | $8K | −8.9% of holding | 438 | Form 4 |
| 2026-03-09 | FSLR | Sale | 32 @ $190.36 | $6K | −7.8% of holding | 379 | Form 4 |
| 2026-03-09 | FSLR | Sale | 27 @ $190.36 | $5K | −6.2% of holding | 411 | Form 4 |
| 2026-03-04 | FSLR | Sale | 92 @ $196.95 | $18K | −100.0% of holding | 0 | Form 4 |
| 2026-03-03 | FSLR | Sale | 49 @ $195.93 | $10K | −34.8% of holding | 92 | Form 4 |
| 2025-08-14 | FSLR | Sale | 686 @ $182.03 | $125K | −100.0% of holding | 0 | Form 4 |
| 2025-03-17 | FSLR | Sale | 35 @ $133.75 | $5K | −10.2% of holding | 307 | Form 4 |
| 2025-03-07 | FSLR | Sale | 31 @ $132.96 | $4K | −12.8% of holding | 211 | Form 4 |
27 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-05-04 | FSLR | Option exercise | 44 | 134 | Form 4 |
| 2026-05-04 | FSLR | Option exercise | 44 | 44 | Form 4 |
| 2026-03-13 | FSLR | Option exercise | 131 | 130 | Form 4 |
| 2026-03-13 | FSLR | Option exercise | 131 | 131 | Form 4 |
| 2026-03-06 | FSLR | Option exercise | 171 | 516 | Form 4 |
| 2026-03-06 | FSLR | Option exercise | 133 | 133 | Form 4 |
| 2026-03-06 | FSLR | Option exercise | 82 | 215 | Form 4 |
| 2026-03-06 | FSLR | Option exercise | 95 | 310 | Form 4 |
| 2026-03-06 | FSLR | Option exercise | 171 | 481 | Form 4 |
| 2026-03-06 | FSLR | Option exercise | 133 | 0 | Form 4 |
| 2026-03-06 | FSLR | Option exercise | 95 | 190 | Form 4 |
| 2026-03-06 | FSLR | Award / grant | 635 | 635 | Form 4 |
| 2026-03-06 | FSLR | Option exercise | 82 | 83 | Form 4 |
| 2026-02-27 | FSLR | Award / grant | 141 | 141 | Form 4 |
| 2025-05-01 | FSLR | Award / grant | 178 | 178 | Form 4 |
| 2025-03-14 | FSLR | Option exercise | 131 | 261 | Form 4 |
| 2025-03-14 | FSLR | Option exercise | 131 | 342 | Form 4 |
| 2025-03-06 | FSLR | Withheld for tax | 41 | 92 | Form 4 |
| 2025-03-06 | FSLR | Withheld for tax | 27 | 148 | Form 4 |
| 2025-03-06 | FSLR | Option exercise | 94 | 242 | Form 4 |
| 2025-03-06 | FSLR | Option exercise | 83 | 165 | Form 4 |
| 2025-03-06 | FSLR | Award / grant | 687 | 687 | Form 4 |
| 2025-03-06 | FSLR | Option exercise | 133 | 133 | Form 4 |
| 2025-03-06 | FSLR | Option exercise | 83 | 175 | Form 4 |
| 2025-03-06 | FSLR | Option exercise | 94 | 285 | Form 4 |
| 2025-02-27 | FSLR | Withheld for tax | 181 | 379 | Form 4 |
| 2025-02-27 | FSLR | Award / grant | 560 | 560 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.