Aridis Pharmaceuticals, Inc.
ARDSDelisted- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001614067
Aridis Pharmaceuticals, Inc. was delisted in 2025; its insiders filed their last Form 4 on Jun 28, 2024; 1 institution reported holding it in 13F filings for Q3 2025, worth $3 in total; no superinvestor held it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Aridis Pharmaceuticals, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Aridis Pharmaceuticals, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Patzer Eric | Director | 884,600 | Jun 28, 2024 | 0 |
| Truong Vu | CEO | 1,378,639 | Jun 28, 2024 | 0 |
| Hamilton John F | Director | 5,000 | Jun 28, 2024 | 0 |
| Windham-Bannister Susan Richards | Director | 5,000 | Jun 28, 2024 | 0 |
| Jafri Hasan | Chief Medical Officer | 15,100 | Jun 28, 2024 | 0 |
| Kurland Fred | CFO | 4,000 | Jun 15, 2023 | 0 |
| Ruffolo Robert R | Director | – | Dec 7, 2022 | 0 |
| Gibbs Craig S | Director | – | Dec 7, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 28, 2024 (view filing)7:32 PM ET | Jun 24 | 4 daysLate | Patzer EricDirector | PPurchaseCommon stock purchase | +714.3K | $0.07 | +$50.0K | +419.4%884.6K after | |
| Jun 28, 2024 (view filing)7:29 PM ET | Jun 24 | 4 daysLate | Truong VuCEO | PPurchaseCommon stock purchase | +714.3K | $0.07 | +$50.0K | +107.5%1.38M after | |
| Sep 8, 2021 (view filing) | Sep 3-7 | 5 days | Jafri HasanChief Medical Officer | PPurchase | +5.10K | $4.15 | +$21.1K | New position5.10K after | 3 lots |
| Jul 27, 2021 (view filing) | Jul 27 | Same day | Hamilton John FDirector | PPurchase | +2.00K | $4.87 | +$9.74K | New position2.00K after | |
| Jul 27, 2021 (view filing) | Jul 27 | Same day | Truong VuCEO | PPurchase | +5.00K | $5.11 | +$25.6K | +0.7%737.4K after | |
| Jul 27, 2021 (view filing) | Jul 27 | Same day | Patzer EricDirector | PPurchase | +5.17K | $4.84 | +$25.0K | +0.7%702.1K after |