Insider · CIK 0001944539
Frederick T. Sullivan
Files at SENS (Senseonics Holdings, Inc.). First filing Dec 12, 2024, latest Nov 10, 2025.
In brief
Frederick T. Sullivan files SEC Form 4 as CFO at SENS (Senseonics Holdings, Inc.). Since Dec 12, 2024, Frederick T. Sullivan has reported 2 open-market buys worth $79k and 0 open-market sells worth $0, the latest filed on Nov 10, 2025.
A track record needs three past buys with six months of prices behind them; Frederick T. Sullivan has 0, so none is measured yet.
The newest scored trade: bought $32k of SENS on Nov 7, 2025, filed Nov 10, 2025, scored 50 (moderate). In the last 12 months: 1 buy worth $32k and 0 sells worth $0.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
SENS: Senseonics Holdings, 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 |
|---|---|---|---|---|---|
| 50Moderate | Senseonics Holdings, Inc. | $32k 5,415 shares | +4% | +18% from low-77% from high | |
| 46Moderate | Senseonics Holdings, Inc. | $47k 124,933 shares | +5% | - |
Transactions
Every row this insider has filed, 13 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 15, 2026 | SENS Senseonics Holdings, Inc. | FTax withholding Common Stock | -5,397 | $7.18 | $39k | 226,477 | Jun 17, 2026 |
| May 19, 2026 | SENS Senseonics Holdings, Inc. | AGrant or award Common Stock | +90,253 | $0.00 | $0 | 231,874 | May 21, 2026 |
| May 19, 2026 | SENS Senseonics Holdings, Inc. | AGrant or award Employee Stock Option (right to buy)derivative | +124,193 | $0.00 | $0 | 124,193 | May 21, 2026 |
| May 15, 2026 | SENS Senseonics Holdings, Inc. | FTax withholding Common Stock | -9,005 | $5.82 | $52k | 141,621 | May 18, 2026 |
| Nov 15, 2025 | SENS Senseonics Holdings, Inc. | FTax withholding Common Stock | -6,402 | $6.26 | $40k | 150,626 | Nov 18, 2025 |
| Nov 7, 2025 | SENS Senseonics Holdings, Inc. | POpen-market purchase Common Stock | +5,415 | $5.88 | $32k | 157,028 | Nov 10, 2025 |
| Jun 16, 2025 | SENS Senseonics Holdings, Inc. | FTax withholding Common Stock | -27,263 | $0.51 | $14k | 3,032,251 | Jun 17, 2025 |
| May 23, 2025 | SENS Senseonics Holdings, Inc. | AGrant or award Common Stock | +693,481 | $0.00 | $0 | 3,059,514 | May 28, 2025 |
| May 23, 2025 | SENS Senseonics Holdings, Inc. | AGrant or award Employee Stock Option (right to buy)derivative | +978,342 | $0.00 | $0 | 978,342 | May 28, 2025 |
| May 15, 2025 | SENS Senseonics Holdings, Inc. | FTax withholding Common Stock | -112,811 | $0.55 | $62k | 2,366,033 | May 19, 2025 |
| Dec 12, 2024 | SENS Senseonics Holdings, Inc. | POpen-market purchase Common Stock | +124,933 | $0.38 | $47k | 2,478,844 | Dec 12, 2024 |
| Nov 15, 2024 | SENS Senseonics Holdings, Inc. | FTax withholding Common Stock | -181,627 | $0.28 | $51k | 2,353,911 | Nov 18, 2024 |
| Nov 15, 2023 | SENS Senseonics Holdings, Inc. | FTax withholding Common Stock | -102,383 | $0.61 | $62k | 1,381,161 | Nov 17, 2023 |
Questions about Frederick T. Sullivan
Answered from the filings on this page, as of the latest one.
Is Frederick T. Sullivan buying or selling?
In the last 12 months Frederick T. Sullivan reported 1 open-market buy worth $32k and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $32k of SENS on Nov 7, 2025. Grants, option exercises and tax withholding are not counted.
How did Frederick T. Sullivan's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Frederick T. Sullivan has 0.
Where does Frederick T. Sullivan file Form 4?
Frederick T. Sullivan has filed Form 4 at SENS (Senseonics Holdings, Inc.) as Chief Financial Officer. 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.