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.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by eFFECTOR Therapeutics, 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 eFFECTOR Therapeutics, 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 |
|---|---|---|---|---|
| Ehrlich Christopher B | Director | 35,213 | Jun 13, 2024 | 0 |
| Loewy Caroline M | Director | – | Jun 13, 2024 | 0 |
| Klencke Barbara | Director | – | Jun 13, 2024 | 0 |
| Gallagher Brian M. Jr. | Director | 30,000 | Jun 13, 2024 | 0 |
| Bhatt Elizabeth | Director | 9,047Indirect | Jun 13, 2024 | 0 |
| Harrington-Smith Kristen | Director | – | Jun 13, 2024 | 0 |
| Worland Stephen T | Chief Executive Officer | 12,494 | May 17, 2024 | 0 |
| Byrnes Michael | Chief Financial Officer | 3,117 | May 17, 2024 | 0 |
| Warner Douglas J | Chief Medical Officer | – | Feb 21, 2024 | 0 |
| George Simeon | 10% Owner | 1,821,415Indirect | Nov 29, 2023 | 0 |
| SR One Capital Fund I Aggregator LP | 10% Owner | 1,821,415Indirect | Nov 29, 2023 | 0 |
| Sr One Capital Management, LLC | 10% Owner | 1,821,415Indirect | Nov 29, 2023 | 0 |
| Sr One Capital Partners I, LP | 10% Owner | 1,821,415Indirect | Nov 29, 2023 | 0 |
| SR One Co-Invest I, LLC | 10% Owner | 1,821,415Indirect | Nov 29, 2023 | 0 |
| SR One Co-Invest I Manager, LLC | 10% Owner | 1,821,415Indirect | Nov 29, 2023 | 0 |
| Smither John W | Director | 24,142 | Jun 22, 2023 | 0 |
| Gandhi Mayank | Chief Business Officer | – | Jan 19, 2023 | 0 |
| Root Jonathan D | 10% Owner | 127,569Indirect | Aug 3, 2022 | 0 |
| US Venture Partners X LP | 10% Owner | 127,569Indirect | Aug 3, 2022 | 0 |
| Usvp X Affiliates LP | 10% Owner | 127,569Indirect | Aug 3, 2022 | 0 |
| Tansey Casey M | 10% Owner | 127,569Indirect | Aug 3, 2022 | 0 |
| Presidio Management Group X LLC | 10% Owner | 127,569Indirect | Aug 3, 2022 | 0 |
| McNulty Alana B. | Chief Business Officer | 48,768 | Jun 22, 2022 | 0 |
| Patel Premal | Chief Medical Officer | – | Jan 24, 2022 | 0 |
| Abingworth LLP | 10% Owner | – | Dec 17, 2021 | 0 |
| Lasky Laurence | Director | – | Oct 8, 2021 | 0 |
| Locust Walk Sponsor, LLC | 10% Owner | 4,056,250 | Aug 27, 2021 | 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 |
|---|---|---|---|---|---|---|---|---|---|
| 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 | |
| Jun 7, 2022 (view filing) | Jun 7 | Same day | Byrnes MichaelChief Financial Officer | PPurchase | +25.0K | $1.33 | +$33.3K | +590.6%29.2K after | |
| May 19, 2022 (view filing)6:16 PM ET | May 17-19 | 2 days | Root Jonathan D and 4 others10% Owner | SSale | −34.4K | $1.73 | −$59.5K | −20.2%136.2K after | 6 lots |
| May 16, 2022 (view filing)6:36 PM ET | May 12-16 | 4 days | Root Jonathan D and 4 others10% Owner | SSale | −46.2K | $1.85 | −$85.5K | −25.2%137.3K after | 6 lots |
| May 11, 2022 (view filing)8:10 PM ET | May 9-11 | 2 days | Root Jonathan D and 4 others10% Owner | SSale | −49.0K | $2.42 | −$118.4K | −26.1%138.7K after | 6 lots |
| Feb 22, 2022 (view filing) | Feb 14-18 | 8 daysLate | Ehrlich Christopher BDirector | PPurchase | +3.00K | $4.40 | +$13.2K | +23.1%16.0K after | 2 lots |
| Feb 10, 2022 (view filing) | Feb 8-9 | 2 days | Ehrlich Christopher BDirector | PPurchase | +2.00K | $4.84 | +$9.67K | +18.2%13.0K after | 2 lots |
| Feb 7, 2022 (view filing) | Feb 3-4 | 4 days | Ehrlich Christopher BDirector | PPurchase | +6.00K | $5.13 | +$30.8K | +120.0%11.0K after | 2 lots |
| Jan 31, 2022 (view filing) | Jan 27 | 4 days | Ehrlich Christopher BDirector | PPurchase | +5.00K | $5.30 | +$26.5K | New position5.00K after | |
| Dec 6, 2021 (view filing)7:27 PM ET | Dec 2 | 4 days | US Venture Partners X LP and 3 others10% Owner | SSale | −8.11K | $5.68 | −$46.1K | −5.5%140.3K after | 2 lotsDuplicate filing |
| Dec 6, 2021 (view filing) | Dec 2 | 4 days | Root Jonathan DDirector, 10% Owner | SSale | −8.11K | $5.68 | −$46.1K | −5.5%140.3K after | 2 lots |
| Dec 1, 2021 (view filing)6:31 PM ET | Nov 29-Dec 1 | 2 days | US Venture Partners X LP and 3 others10% Owner | SSale | −72.4K | $6.56 | −$475.4K | −34.0%140.5K after | 6 lots |
| Dec 1, 2021 (view filing) | Nov 29-Dec 1 | 2 days | Root Jonathan DDirector, 10% Owner | SSale | −72.4K | $6.57 | −$475.5K | −34.0%140.5K after | 6 lots |
| Nov 26, 2021 (view filing)4:43 PM ET | Nov 23-26 | 3 days | US Venture Partners X LP and 3 others10% Owner | SSale | −56.4K | $7.34 | −$414.0K | −28.3%142.8K after | 6 lots |
| Nov 26, 2021 (view filing) | Nov 23-26 | 3 days | Root Jonathan DDirector, 10% Owner | SSale | −56.4K | $7.34 | −$414.1K | −28.3%142.8K after | 6 lots |
| Nov 22, 2021 (view filing)7:12 PM ET | Nov 18-22 | 4 days | US Venture Partners X LP and 3 others10% Owner | SSale | −50.2K | $8.12 | −$407.4K | −25.8%144.5K after | 6 lots |
| Nov 22, 2021 (view filing) | Nov 18-22 | 4 days | Root Jonathan DDirector, 10% Owner | SSale | −50.2K | $8.12 | −$407.4K | −25.8%144.5K after | 6 lots |
| Nov 17, 2021 (view filing)7:55 PM ET | Nov 15-17 | 2 days | US Venture Partners X LP and 3 others10% Owner | SSale | −23.6K | $9.38 | −$221.5K | −13.9%146.1K after | 6 lots |
| Nov 17, 2021 (view filing) | Nov 15-17 | 2 days | Root Jonathan DDirector, 10% Owner | SSale | −23.6K | $9.38 | −$221.6K | −13.9%146.1K after | 6 lots |
| Nov 12, 2021 (view filing)5:52 PM ET | Nov 9-12 | 3 days | US Venture Partners X LP and 3 others10% Owner | SSale | −86.8K | $10.56 | −$917.0K | −37.2%146.8K after | 8 lots |
| Nov 12, 2021 (view filing) | Nov 9-12 | 3 days | Root Jonathan DDirector, 10% Owner | SSale | −86.8K | $10.56 | −$917.1K | −37.2%146.8K after | 8 lots |