LTBR
LIGHTBRIDGE Corp · Manufacturing · Market cap $256.6M
Insiders sold $172K net in the last 90 days ·3 sellers, 0 buyers· 4 of 5 sales under Rule 10b5-1 plans· latest Form 4 filed Sep 2, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$3.6M
reported sales (SEC code S)
Unique Insiders
7
in the rolling window
Latest filing
Sep 2, 2026
Chakraborty Sweta
LIGHTBRIDGE Corp (LTBR) has 51 SEC Form 4 filings (64 transaction rows) in the rolling window, disclosed by 7 distinct insiders. Most recent filing: Sep 2, 2026.
Inside the rolling window, 7 insiders at LIGHTBRIDGE Corp reported no open-market purchases and 23 open-market sales totaling $3.6M. The most active filer is Director Chakraborty Sweta with 8 filings. Insiders have net sold $172K over the trailing 6 months. The most recent open-market filing is a sale of 717 shares by Director Chakraborty Sweta, dated Sep 1, 2026, worth $5K.
- Industry:Electrical Equipment & Parts
- CEO:Seth Grae
- Employees:13
- HQ:Reston, VA, US
- IPO:2005-01-03
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Director | Sale | 717 | $5K | Sep 2 | -9.5% | SEC ↗ | |
Tobin Mark RobertFirst filing | Director | Sale | 15,000 | $135K | Aug 12 | -22.9% | SEC ↗ |
Chakraborty SwetaFirst in 6 months | Director | Sale | 1,143 | $11K | Jul 2 | -20.7% | SEC ↗ |
| Director | Sale | 1,116 | $10K | Jul 1 | -23.1% | SEC ↗ | |
Goodman SherriFirst filing | Director | Sale | 1,116 | $11K | Jun 22 | -31.2% | SEC ↗ |
MUSHAKOV ANDREYFirst in 4 months | EVP, Nuclear Operations | Sale | 30,289 | $502K | Jan 30 | -55.5% | SEC ↗ |
| CFO | Sale | 2,519 | $45K | Jan 16 | -61.1% | SEC ↗ | |
| CFO | Sale | 6,350 | $115K | Jan 16 | -61.1% | SEC ↗ | |
Funches Jesse L.First in 3 months | Director | Sale | 1,449 | $25K | Jan 9 | — | SEC ↗ |
| Director | Sale | 1,245 | $20K | Jan 6 | — | SEC ↗ | |
| Director | Sale | 1,947 | $25K | Jan 5 | — | SEC ↗ | |
| CFO | Sale | 5,451 | $79K | Dec 16 | — | SEC ↗ | |
| CFO | Sale | 8,030 | $141K | Dec 5 | — | SEC ↗ | |
| Director | Sale | 1,948 | $30K | Dec 2 | — | SEC ↗ | |
GOLDMAN LARRYFirst filing | CFO | Sale | 4,527 | $69K | Nov 21 | — | SEC ↗ |
| Director | Sale | 1,948 | $52K | Nov 3 | — | SEC ↗ | |
| President and CEO | Sale | 32,296 | $907K | Oct 15 | — | SEC ↗ | |
| President and CEO | Sale | 20,600 | $536K | Oct 14 | — | SEC ↗ | |
MUSHAKOV ANDREYFirst filing | EVP, Nuclear Operations | Sale | 25,093 | $629K | Oct 10 | — | SEC ↗ |
GRAE SETHFirst filing | President and CEO | Sale | 7,616 | $197K | Oct 10 | — | SEC ↗ |
| Director | Sale | 1,246 | $29K | Oct 8 | — | SEC ↗ | |
Funches Jesse L.First filing | Director | Sale | 1,448 | $33K | Oct 7 | — | SEC ↗ |
Chakraborty SwetaFirst filing | Director | Sale | 1,947 | $41K | Oct 3 | — | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does LTBR have?
LIGHTBRIDGE Corp (LTBR) has 51 SEC Form 4 filings (64 transaction rows) in the rolling 365-day window, disclosed by 7 distinct insiders. Most recent filing: Sep 2, 2026.
When was the most recent SEC Form 4 filing for LTBR?
The most recent Form 4 filing for LTBR on Tracefour is dated Sep 2, 2026.
Who is the most active insider at LTBR?
The most active SEC Form 4 filer at LTBR in the rolling window is Director Chakraborty Sweta, with 8 filings.
What is the net insider flow at LTBR over the last 6 months?
Over the trailing 180 days, insiders at LTBR have net sold $172K based on SEC Form 4 disclosures.
What is the total insider buy and sell value at LTBR in the current window?
Inside the rolling window, insiders at LTBR bought $0 and sold $3.6M based on SEC Form 4 filings.
Can I get alerts for LTBR insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at LIGHTBRIDGE Corp (LTBR). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
LIGHTBRIDGE Corp is in the Manufacturing sector.