| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
CFO and Cbo | Director | CFO & Head of Corp. Dev. +1 more
3 companies
Elena Ridloff is CFO and Cbo at SION, with reported holdings spanning 3 companies. From December 2019 to September 2026, the filings on record show 0 open-market purchases and 12 sales. Elena Ridloff's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $703K at current prices.
Our model assigns Elena Ridloff a middling insider score of 62/100, based on 14 past trades. Over a 12-month horizon, 81.8% of those trades were profitable, with an average 12-month return of +40.4%.
Elena Ridloff's largest disclosed position is in SION as CFO and Cbo, worth about $486K. The SION filings lean toward selling, a net 85,000 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|
| Apr 30, 2020 | ACAD Acadia Pharmaceuticals Inc | EVP and CFO | Sale+OE | 11,050 | $50.59 | $559,034.00 | -83.4% | |
| Dec 9, 2019 | ACAD Acadia Pharmaceuticals Inc | EVP and CFO | Sale+OE | 36,000 | $49.66 | $1,787,853.45 | - |