NASDAQ:ARDS

Aridis Pharmaceuticals Stock Insider Trading

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*Your capital is at risk
$0.0001
+0 (+0%)
At Close: Jul 31, 2026

Aridis Pharmaceuticals Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be negative at 0. In total, the insiders bought 5.73M and sold 0 ARDS shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.

Insider Power

(Last 100 transactions)
0
Buy 5.73M shares
Sell 0 shares
100% Buy Activity
Negligible or No Correlation

No Significant Signals

No statistically significant buy or sell signals detected in recent insider data.

Historical Insider Trades

Date Type Person Role Amount
Jun 07, 2022
Buy
Stock Options
A-Award
Truong Vu
CEO And Director
CEO / President 88 360
Value: $93.7K
Jun 07, 2022
Buy
Stock Options
A-Award
Truong Vu
CEO And Director
CEO / President 88 360
Value: $0
Jun 07, 2022
Buy
Stock Options
A-Award
Truong Vu
CEO And Director
CEO / President 88 360
Value: $0
Oct 04, 2021
Buy
Stock Options
A-Award
Gibbs Craig S
Director
Director 7 900
Value: $28.4K
Oct 04, 2021
Buy
Stock Options
A-Award
Hamilton John F
Director
Director 9 400
Value: $33.8K
Oct 04, 2021
Buy
Stock Options
A-Award
Jafri Hasan
Chief Medical Officer
Officer 30 000
Value: $108.0K
Oct 04, 2021
Buy
Stock Options
A-Award
Kurland Fred
CFO
C-Suite Officer 20 000
Value: $72.0K
Oct 04, 2021
Buy
Stock Options
A-Award
Ruffolo Robert R
Director
Director 7 000
Value: $25.2K
Oct 04, 2021
Buy
Stock Options
A-Award
Windham-bannister Susan Richards
Director
Director 8 500
Value: $30.6K
Oct 04, 2021
Buy
Stock Options
A-Award
Gibbs Craig S
Director
Director 7 900
Value: $28.4K
Oct 04, 2021
Buy
Stock Options
A-Award
Hamilton John F
Director
Director 9 400
Value: $33.8K
Oct 04, 2021
Buy
Stock Options
A-Award
Jafri Hasan
Chief Medical Officer
Officer 30 000
Value: $108.0K
Oct 04, 2021
Buy
Stock Options
A-Award
Kurland Fred
CFO
C-Suite Officer 20 000
Value: $72.0K
Oct 04, 2021
Buy
Stock Options
A-Award
Ruffolo Robert R
Director
Director 7 000
Value: $25.2K
Oct 04, 2021
Buy
Stock Options
A-Award
Windham-bannister Susan Richards
Director
Director 8 500
Value: $30.6K
Sep 07, 2021
Buy
Common Stock
P-Purchase
Jafri Hasan
Chief Medical Officer
Officer 1 991
Value: $8K
Sep 07, 2021
Buy
Common Stock
P-Purchase
Jafri Hasan
Chief Medical Officer
Officer 100
Value: $397
Sep 07, 2021
Buy
Common Stock
P-Purchase
Jafri Hasan
Chief Medical Officer
Officer 100
Value: $397
Sep 07, 2021
Buy
Common Stock
P-Purchase
Jafri Hasan
Chief Medical Officer
Officer 1 991
Value: $8K
Sep 03, 2021
Buy
Common Stock
P-Purchase
Jafri Hasan
Chief Medical Officer
Officer 3 009
Value: $12.5K
Sep 03, 2021
Buy
Common Stock
P-Purchase
Jafri Hasan
Chief Medical Officer
Officer 3 009
Value: $12.5K
Jul 27, 2021
Buy
Common Stock
P-Purchase
Hamilton John F
Director
Director 2 000
Value: $10K
Jul 27, 2021
Buy
Common Stock
P-Purchase
Truong Vu
CEO
CEO / President 5 000
Value: $25.6K
Jul 27, 2021
Buy
Common Stock
P-Purchase
Patzer Eric
Director
Director 5 175
Value: $25.0K
Jul 27, 2021
Buy
Common Stock
P-Purchase
Hamilton John F
Director
Director 2 000
Value: $10K

About Insider Power

Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.

It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.

While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.

* October 6th, 2025 - Tested on 5562 stocks

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ABOUT ARIDIS PHARMACEUTICALS INC.
Aridis Pharmaceuticals
Aridis Pharmaceuticals, Inc., a late-stage biopharmaceutical company, focuses on the discovery and development of targeted immunotherapy using fully human monoclonal antibodies (mAb) to treat life-threatening infections. Its lead product candidate is AR-301, a fully human mAb of immunoglobulin 1 (IgG1) that is in Phase III pivotal trials for the treatment of lung infections resulting from S. aureus alphatoxin. The company is also developing AR-32...
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