FIRST SOLAR, INC. Insider Trading Activity
Every SEC Form 4 insider transaction reported for FIRST SOLAR, INC. (FSLR), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are FSLR insiders buying or selling?
In the last 12 months, FIRST SOLAR, INC. insiders reported 0 open-market purchases ($0) and 69 sales ($43.4M) — net selling of $43.4M. Since January 2018, Trabud has recorded 303 Form 4 filings for FSLR: 5 buys ($1.5M) and 298 sells ($984.2M).
Source: SEC EDGAR Form 4
What stands out
- No FIRST SOLAR, INC. insider made an open-market purchase in the last 12 months; the 69 reported open-market sales totaled $43.4M.
Key Statistics (January 2018 – Oct 2, 2026)
Total Form 4 filings
303
SEC EDGAR
Insider filers
25
Insider buys (5)
$1.5M
Insider sells (298)
$984.2M
Insider sentiment
Net sellingNet insider flow of $982.7M in net selling since January 2018, and $43.4M in net selling over the last 12 months.
Recent FSLR insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Oct 2, 2026 | Markus Gloeckler | Chief Technology Officer | Sale | 800 | $174.00 | $139.2K | SEC ↗ |
| Sep 2, 2026 | Markus Gloeckler | Chief Technology Officer | Sale | 800 | $200.00 | $160.0K | SEC ↗ |
| Aug 18, 2026 | Samantha L. Sloan | EVP, Corporate Affairs | Sale | 127 | $222.95 | $28.3K | SEC ↗ |
| Aug 12, 2026 | Jason E. Dymbort | General Counsel and Secretary | Sale | 3.7K | $249.38 | $922.7K | SEC ↗ |
| Aug 5, 2026 | Markus Gloeckler | Chief Technology Officer | Sale | 4.3K | $224.61 | $955.5K | SEC ↗ |
| Aug 5, 2026 | Michael Koralewski | Chief Supply Chain Officer | Sale | 7.0K | $221.51 | $1.6M | SEC ↗ |
| Jun 3, 2026 | Patrick James Buehler | Chief Product Officer | Sale | 3.0K | $302.00 | $906.0K | SEC ↗ |
| Jun 1, 2026 | Caroline Stockdale | Chief People and Comm. Officer | Sale | 10.6K | $275.60 | $2.9M | SEC ↗ |
| May 27, 2026 | Mark R Widmar | Chief Executive Officer | Sale | 7.2K | $264.89 | $1.9M | SEC ↗ |
| May 22, 2026 | Kuntal Kumar Verma | Chief Manufacturing Officer | Sale | 582 | $250.00 | $145.5K | SEC ↗ |
| May 22, 2026 | Mark R Widmar | Chief Executive Officer | Sale | 4.8K | $247.43 | $1.2M | SEC ↗ |
| May 13, 2026 | Mark R Widmar | Chief Executive Officer | Sale | 11.2K | $234.00 | $2.6M | SEC ↗ |
| May 13, 2026 | Kuntal Kumar Verma | Chief Manufacturing Officer | Sale | 3.7K | $231.42 | $849.6K | SEC ↗ |
| May 8, 2026 | Kuntal Kumar Verma | Chief Manufacturing Officer | Sale | 270 | $218.16 | $58.9K | SEC ↗ |
| May 8, 2026 | Nathan B. Theurer | VP - Global Controller and CAO | Sale | 31 | $218.16 | $6.8K | SEC ↗ |
| May 8, 2026 | Jason E. Dymbort | General Counsel and Secretary | Sale | 228 | $218.16 | $49.7K | SEC ↗ |
| May 6, 2026 | Georges Antoun | Chief Commercial Officer | Sale | 566 | $215.63 | $122.0K | SEC ↗ |
| May 5, 2026 | Alexander R. Bradley | Chief Financial Officer | Sale | 498 | $215.63 | $107.4K | SEC ↗ |
| May 5, 2026 | Michael Koralewski | Chief Supply Chain Officer | Sale | 215 | $215.63 | $46.4K | SEC ↗ |
| May 5, 2026 | Patrick James Buehler | Chief Product Officer | Sale | 235 | $215.63 | $50.7K | SEC ↗ |
| May 5, 2026 | Jason E. Dymbort | General Counsel and Secretary | Sale | 409 | $215.63 | $88.2K | SEC ↗ |
| May 5, 2026 | Markus Gloeckler | Chief Technology Officer | Sale | 420 | $215.63 | $90.6K | SEC ↗ |
| May 5, 2026 | Samantha L. Sloan | EVP, Corporate Affairs | Sale | 19 | $215.63 | $4.1K | SEC ↗ |
| May 5, 2026 | Caroline Stockdale | Chief People and Comm. Officer | Sale | 262 | $215.63 | $56.5K | SEC ↗ |
| May 5, 2026 | Nathan B. Theurer | VP - Global Controller and CAO | Sale | 13 | $215.63 | $2.8K | SEC ↗ |
Showing the 25 most recent of 303 Form 4 filings for FIRST SOLAR, INC..
Most active FSLR insiders
- Georges Antoun42 filings
- Craig R Kennedy29 filings
- Mark R Widmar28 filings
- Markus Gloeckler28 filings
- Alexander R. Bradley25 filings
Ask anything about FSLR insider activity
Use Trabud's AI agent to query FIRST SOLAR, INC.'s Form 4 history in plain English — "Show me FSLR CEO purchases this year" or compare it against any other ticker.
Open the AI agentFSLR insider trading FAQ
Are FIRST SOLAR, INC. insiders buying or selling?
In the last 12 months, FIRST SOLAR, INC. insiders reported 0 open-market purchases ($0) and 69 sales ($43.4M) — net selling of $43.4M. Since January 2018, Trabud has recorded 303 Form 4 filings for FSLR: 5 buys ($1.5M) and 298 sells ($984.2M). Over the full record that is net selling of $982.7M.
How many insiders trade FSLR stock?
25 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for FIRST SOLAR, INC.. The most recent filing was accepted on Oct 2, 2026.
Where does Trabud get FSLR insider trading data?
All FSLR insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.