NASDAQ:EFTR

Effector Therapeutics Stock Insider Trading

etoro logo Buy EFTR
*Your capital is at risk
$0.0006
+0 (+0%)
At Close: Jun 03, 2026

eFFECTOR Therapeutics Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be positive at 100.00. In total, the insiders bought 6.71M and sold 1.22M EFTR 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)
100.00
Buy 6.71M shares
Sell 1.22M shares
96% Buy Activity
Moderate Negative 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 22, 2023
Buy
Stock Option (Right to Buy)
A-Award
Smither John W
Director
Director 20 000
Value: $16.3K
Jun 22, 2023
Buy
Stock Option (Right to Buy)
A-Award
Klencke Barbara
Director
Director 20 000
Value: $16.3K
Jun 22, 2023
Buy
Stock Option (Right to Buy)
A-Award
Harrington-smith Kristen
Director
Director 20 000
Value: $16.3K
Jun 22, 2023
Buy
Stock Option (Right to Buy)
A-Award
Gallagher Brian M. Jr.
Director
Director 20 000
Value: $16.3K
Jun 22, 2023
Buy
Stock Option (Right to Buy)
A-Award
Ehrlich Christopher B
Director
Director 20 000
Value: $16.3K
Jun 22, 2023
Buy
Stock Option (Right to Buy)
A-Award
Bhatt Elizabeth
Director
Director 20 000
Value: $16.3K
Jun 22, 2023
Buy
Stock Option (Right to Buy)
A-Award
Bhatt Elizabeth
Director
Director 20 000
Value: $16.3K
Jun 22, 2023
Buy
Stock Option (Right to Buy)
A-Award
Smither John W
Director
Director 20 000
Value: $16.3K
Jun 22, 2023
Buy
Stock Option (Right to Buy)
A-Award
Ehrlich Christopher B
Director
Director 20 000
Value: $16.3K
Jun 22, 2023
Buy
Stock Option (Right to Buy)
A-Award
Gallagher Brian M. Jr.
Director
Director 20 000
Value: $16.3K
Jun 22, 2023
Buy
Stock Option (Right to Buy)
A-Award
Harrington-smith Kristen
Director
Director 20 000
Value: $16.3K
Jun 22, 2023
Buy
Stock Option (Right to Buy)
A-Award
Klencke Barbara
Director
Director 20 000
Value: $16.3K
May 15, 2023
Buy
Common Stock
A-Award
Worland Stephen T
Chief Executive Officer
CEO / President 6 401
Value: $3K
May 15, 2023
Buy
Common Stock
A-Award
Byrnes Michael
Chief Financial Officer
C-Suite Officer 4 863
Value: $2K
May 15, 2023
Buy
Common Stock
A-Award
Byrnes Michael
Chief Financial Officer
C-Suite Officer 4 863
Value: $2K
May 15, 2023
Buy
Common Stock
A-Award
Worland Stephen T
Chief Executive Officer
CEO / President 6 401
Value: $3K
Jan 20, 2023
Buy
Stock Option (Right to Buy)
A-Award
Gallagher Brian M. Jr.
Director
Director 50 938
Value: $0
Jan 20, 2023
Buy
Stock Option (Right to Buy)
A-Award
Smither John W
Director
Director 36 875
Value: $0
Jan 20, 2023
Buy
Stock Option (Right to Buy)
A-Award
Harrington-smith Kristen
Director
Director 28 125
Value: $0
Jan 20, 2023
Buy
Stock Option (Right to Buy)
A-Award
Klencke Barbara
Director
Director 28 125
Value: $0
Jan 20, 2023
Buy
Stock Option (Right to Buy)
A-Award
Ehrlich Christopher B
Director
Director 35 938
Value: $0
Jan 20, 2023
Buy
Stock Option (Right to Buy)
A-Award
Bhatt Elizabeth
Director
Director 30 000
Value: $0
Jan 20, 2023
Buy
Stock Option (Right to Buy)
A-Award
Bhatt Elizabeth
Director
Director 30 000
Value: $0
Jan 20, 2023
Buy
Stock Option (Right to Buy)
A-Award
Ehrlich Christopher B
Director
Director 35 938
Value: $0
Jan 20, 2023
Buy
Stock Option (Right to Buy)
A-Award
Klencke Barbara
Director
Director 28 125
Value: $0

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 EFFECTOR THERAPEUTICS, INC.
eFFECTOR Therapeutics
eFFECTOR Therapeutics, Inc., a clinical-stage biopharmaceutical company, engages in the development of selective translation regulator inhibitors for the treatment of cancer. Its lead product candidate is Tomivosertib, an oral small-molecule inhibitor of MNK that is in phase 2b clinical trial for the treatment of patients with metastatic non-small cell lung cancer. The company is also developing Zotatifin, a small molecule designed to inhibit euk...
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