Insider · CIK 0001904150
Barbara A Larson
Files at EFX (EQUIFAX INC), WK (WORKIVA INC), S (SentinelOne, Inc.). First filing Oct 7, 2025, latest Jan 8, 2026.
In brief
Barbara A Larson files SEC Form 4 as director and CFO at S (SentinelOne, Inc.), and also at EFX (EQUIFAX INC), WK (WORKIVA INC). Since Oct 7, 2025, Barbara A Larson has reported 0 open-market buys worth $0 and 2 open-market sells worth $1.2M, the latest filed on Jan 8, 2026.
A track record needs three past buys with six months of prices behind them; Barbara A Larson has 0, so none is measured yet.
The newest scored trade: sold $166k of S on Jan 6, 2026, filed Jan 8, 2026, scored 48 (moderate). In the last 12 months: 0 buys worth $0 and 1 sell worth $166k.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
S: SentinelOne, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 48Moderate | SentinelOne, Inc. | $166k 11,173 shares | -2% | +5% from low-39% from high | |
| 55Moderate | SentinelOne, Inc. | $990k 54,583 shares | -9% | +13% from low-38% from high |
Transactions
Every row this insider has filed, 9 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 30, 2026 | EFX EQUIFAX INC | AGrant or award Phantom Stock Unitsderivative | +209 | $137.24 | $29k | 552 | 11 d ago |
| Aug 10, 2026 | EFX EQUIFAX INC | AGrant or award Phantom Stock Unitsderivative | +181 | $158.72 | $29k | 181 | Aug 12, 2026 |
| Aug 10, 2026 | EFX EQUIFAX INC | AGrant or award Phantom Stock Unitsderivative | +160 | $180.07 | $29k | 341 | Aug 12, 2026 |
| May 7, 2026 | EFX EQUIFAX INC | AGrant or award Common Stock | +1,253 | $175.62 | $220k | 3,877 | May 11, 2026 |
| Feb 2, 2026 | WK WORKIVA INC | AGrant or award Class A Common Stock | +141,103 | $76.54 | $11M | 141,103 | Feb 3, 2026 |
| Jan 6, 2026 | S SentinelOne, Inc. | SOpen-market sale Class A Common Stock | -11,173 | $14.82 | $166k | 539,372 | Jan 8, 2026 |
| Oct 6, 2025 | S SentinelOne, Inc. | SOpen-market sale Class A Common Stock | -54,583 | $18.13 | $990k | 549,498 | Oct 7, 2025 |
| May 8, 2025 | EFX EQUIFAX INC | AGrant or award Common Stock | +812 | $0.00 | $0 | 2,604 | May 12, 2025 |
| Apr 15, 2025 | S SentinelOne, Inc. | AGrant or award Class A Common Stock | +129,764 | $0.00 | $0 | 602,987 | Apr 17, 2025 |
Questions about Barbara A Larson
Answered from the filings on this page, as of the latest one.
Is Barbara A Larson buying or selling?
In the last 12 months Barbara A Larson reported 0 open-market buys worth $0 and 1 open-market sell worth $166k on SEC Form 4; the latest was sold $166k of S on Jan 6, 2026. Grants, option exercises and tax withholding are not counted.
How did Barbara A Larson's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Barbara A Larson has 0.
Where does Barbara A Larson file Form 4?
Barbara A Larson has filed Form 4 at S (SentinelOne, Inc.) as Chief Financial Officer; EFX (EQUIFAX INC); WK (WORKIVA INC) as EVP, CFO & Treasurer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.