eFFECTOR Therapeutics, Inc.
EFTRDelisted- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001828522
eFFECTOR Therapeutics, Inc. was delisted in 2026; its insiders filed their last Form 4 on Jun 13, 2024; 1 institution reported holding it in 13F filings for Q4 2025, worth $0 in total; no superinvestor held it.
Key figures
- Insider buys
- 0
- Open market, last 90 days
- Insider sells
- 0
- Open market, last 90 days
- 13F holders
- 1
- Q4 2025, 0 vs. previous quarter
- 13F value
- $0
- Reported value at the end of Q4 2025
- Superinvestors holding
- 0
- At the end of Q4 2025
Superinvestors holding EFTR, Q4 2025
No superinvestor reported holding EFTR at the end of Q4 2025.
Latest insider trades
Open-market purchases and sales by eFFECTOR Therapeutics, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Nov 29, 2023 (view filing)5:07 PM ET | Nov 27 | 2 days | George Simeon and 5 others10% Owner | SSale | −609.2K | $0.6065 | −$369.5K | −25.1%1.82M after | 2 lots |
| Oct 6, 2022 (view filing) | Oct 4 | 2 days | Ehrlich Christopher BDirector | PPurchase | +346 | $0.57 | +$197.22 | +1.0%35.2K after | |
| Sep 27, 2022 (view filing) | Sep 26 | 1 day | Ehrlich Christopher BDirector | PPurchase | +18.9K | $0.55 | +$10.4K | +117.9%34.9K after | |
| Aug 3, 2022 (view filing)5:58 PM ET | Aug 1-3 | 2 days | Root Jonathan D and 4 others10% Owner | SSale | −114.3K | $0.7981 | −$91.2K | −47.3%127.6K after | 6 lots |
| Jul 29, 2022 (view filing)8:54 PM ET | Jul 28 | 1 day | Root Jonathan D and 4 others10% Owner | SSale | −32.5K | $0.892 | −$29.0K | −19.9%131.0K after | 2 lots |
| Jul 27, 2022 (view filing)6:20 PM ET | Jul 25-27 | 2 days | Root Jonathan D and 4 others10% Owner | SSale | −48.7K | $0.8945 | −$43.6K | −27.0%132.0K after | 6 lots |
| Jul 22, 2022 (view filing)6:03 PM ET | Jul 20-22 | 2 days | Root Jonathan D and 4 others10% Owner | SSale | −20.3K | $0.9609 | −$19.5K | −13.2%133.5K after | 6 lots |
| Jul 19, 2022 (view filing)4:54 PM ET | Jul 15-19 | 4 days | Root Jonathan D and 4 others10% Owner | SSale | −69.6K | $1.10 | −$76.3K | −34.2%134.1K after | 6 lots |
| Jun 27, 2022 (view filing) | Jun 23 | 4 days | Gallagher Brian M. Jr.Director | PPurchase | +30.0K | $1.59 | +$47.7K | New position30.0K after | |
| Jun 9, 2022 (view filing) | Jun 7 | 2 days | Worland Stephen TPresident and Chief Executive | PPurchase | +20.0K | $1.37 | +$27.4K | +10.3%215.0K after |
Top 10 13F holders, Q4 2025
The largest institutional positions in eFFECTOR Therapeutics, Inc. at the end of Q4 2025; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Proathlete Wealth Management LLC | 12 | $0 | 0.00% | 00.0% | Unchanged |