Ralston Dianne B.
Chief Legal Officer & Sec
Ralston Dianne B. has filed 4 SEC Form 4 filings (8 transaction rows) across 1 company, with disclosures dating back to 2025. 3 of those filings fall inside the rolling window. Most recent filing: Mar 17, 2026.
On the most recent filing, Ralston Dianne B. is listed as Chief Legal Officer & Sec at SLB LIMITED/NV. Inside the rolling window, Ralston Dianne B. reported no open-market purchases and 1 open-market sale totaling $922K in SLB.
Companies traded
Other insiders at SLB
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$922K
reported sales (SEC code S)
Companies
1
in the rolling window
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
| Date | Ticker | Type | Value |
|---|---|---|---|
| Sep 12, 2025 | SLB | Sale | $1.4M |
Frequently asked questions
How many SEC Form 4 filings has Ralston Dianne B. made?
Ralston Dianne B. has filed 4 SEC Form 4 filings (8 transaction rows) across 1 company since 2025.
Which companies does Ralston Dianne B. trade?
Ralston Dianne B. has filed SEC Form 4 disclosures for 1 company, including SLB.
When was Ralston Dianne B.'s most recent SEC Form 4 filing?
Ralston Dianne B.'s most recent SEC Form 4 filing on Tracefour is dated Mar 17, 2026.
What is Ralston Dianne B.'s job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Ralston Dianne B. is listed as Chief Legal Officer & Sec.
What is Ralston Dianne B.'s total buy and sell value in the current window?
Inside the rolling retention window, Ralston Dianne B. bought $0 and sold $922K based on SEC Form 4 filings.
What was Ralston Dianne B.'s largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 18,617 SLB shares on 2026-01-26, worth $922K, per SEC Form 4 filings.