// company-profile

First Solar, Inc. Insider Trading

FSLR

Every SEC Form 4 insider trading filing for First Solar, Inc. (FSLR) — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC.

ExchangeNasdaqSectorSemiconductors & Related DevicesInc.DEFilings341Insiders25
// api This First Solar, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
curl "https://api.form4api.com/v1/transactions?ticker=FSLR" -H "X-Api-Key: YOUR_API_KEY"

// activity-summary

Mixed insider activity over the last 30 days: 0 purchases and 0 sales (0 transactions total).

// 90-day insight

Over the last 90 days, First Solar, Inc. insiders bought $0 (9 transactions) and sold $16K (1 transaction).

  • Most active insider: Widmar Mark R with 31 transactions totaling $3.4M.
  • Largest single sale: $2.9M by Stockdale Caroline on May 28, 2026.
  • 98% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.

Activity skews bullish — buys outpace sales.

Institutional Ownership

Top 13F-HR holders of First Solar, Inc. as of 2026-06-30

↓ decreasing
Total reported AUM
$8.26B
QoQ change
-64.4%
Reporting period
2026-06-30
#1
STATE STREET CORP
CIK 93751
$1.32B
5.6M shares
#2
BlackRock, Inc.
CIK 2012383
$1.28B
5.4M shares
#3
BlackRock, Inc.
CIK 2012383
$681.1M
2.9M shares

Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Aug 4, 2026Gloeckler MarkusFSLR
Sale10b5
829$248.00$206K
Aug 4, 2026Ahearn Michael JFSLR
Gift
44,584
Aug 3, 2026Koralewski MichaelFSLR
Sale10b5
3,500$218.02$763K
Aug 3, 2026Gloeckler MarkusFSLR
Sale10b5
800$222.00$178K
Aug 3, 2026Gloeckler MarkusFSLR
Sale10b5
2,625$218.02$572K

45 more transactions hidden

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