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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.

Insider roster for eFFECTOR Therapeutics, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Ehrlich Christopher BDirector35,213Jun 13, 20240
Loewy Caroline MDirector–Jun 13, 20240
Klencke BarbaraDirector–Jun 13, 20240
Gallagher Brian M. Jr.Director30,000Jun 13, 20240
Bhatt ElizabethDirector9,047IndirectJun 13, 20240
Harrington-Smith KristenDirector–Jun 13, 20240
Worland Stephen TChief Executive Officer12,494May 17, 20240
Byrnes MichaelChief Financial Officer3,117May 17, 20240
Warner Douglas JChief Medical Officer–Feb 21, 20240
George Simeon10% Owner1,821,415IndirectNov 29, 20230
SR One Capital Fund I Aggregator LP10% Owner1,821,415IndirectNov 29, 20230
Sr One Capital Management, LLC10% Owner1,821,415IndirectNov 29, 20230
Sr One Capital Partners I, LP10% Owner1,821,415IndirectNov 29, 20230
SR One Co-Invest I, LLC10% Owner1,821,415IndirectNov 29, 20230
SR One Co-Invest I Manager, LLC10% Owner1,821,415IndirectNov 29, 20230
Smither John WDirector24,142Jun 22, 20230
Gandhi MayankChief Business Officer–Jan 19, 20230
Root Jonathan D10% Owner127,569IndirectAug 3, 20220
US Venture Partners X LP10% Owner127,569IndirectAug 3, 20220
Usvp X Affiliates LP10% Owner127,569IndirectAug 3, 20220
Tansey Casey M10% Owner127,569IndirectAug 3, 20220
Presidio Management Group X LLC10% Owner127,569IndirectAug 3, 20220
McNulty Alana B.Chief Business Officer48,768Jun 22, 20220
Patel PremalChief Medical Officer–Jan 24, 20220
Abingworth LLP10% Owner–Dec 17, 20210
Lasky LaurenceDirector–Oct 8, 20210
Locust Walk Sponsor, LLC10% Owner4,056,250Aug 27, 20210

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.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Nov 29, 2023 (view filing)5:07 PM ETNov 272 daysGeorge Simeon and 5 others10% OwnerSSale−609.2K$0.6065−$369.5K−25.1%1.82M after2 lots
Oct 6, 2022 (view filing)Oct 42 daysEhrlich Christopher BDirectorPPurchase+346$0.57+$197.22+1.0%35.2K after
Sep 27, 2022 (view filing)Sep 261 dayEhrlich Christopher BDirectorPPurchase+18.9K$0.55+$10.4K+117.9%34.9K after
Aug 3, 2022 (view filing)5:58 PM ETAug 1-32 daysRoot Jonathan D and 4 others10% OwnerSSale−114.3K$0.7981−$91.2K−47.3%127.6K after6 lots
Jul 29, 2022 (view filing)8:54 PM ETJul 281 dayRoot Jonathan D and 4 others10% OwnerSSale−32.5K$0.892−$29.0K−19.9%131.0K after2 lots
Jul 27, 2022 (view filing)6:20 PM ETJul 25-272 daysRoot Jonathan D and 4 others10% OwnerSSale−48.7K$0.8945−$43.6K−27.0%132.0K after6 lots
Jul 22, 2022 (view filing)6:03 PM ETJul 20-222 daysRoot Jonathan D and 4 others10% OwnerSSale−20.3K$0.9609−$19.5K−13.2%133.5K after6 lots
Jul 19, 2022 (view filing)4:54 PM ETJul 15-194 daysRoot Jonathan D and 4 others10% OwnerSSale−69.6K$1.10−$76.3K−34.2%134.1K after6 lots
Jun 27, 2022 (view filing)Jun 234 daysGallagher Brian M. Jr.DirectorPPurchase+30.0K$1.59+$47.7KNew position30.0K after
Jun 9, 2022 (view filing)Jun 72 daysWorland Stephen TPresident and Chief ExecutivePPurchase+20.0K$1.37+$27.4K+10.3%215.0K after
Jun 7, 2022 (view filing)Jun 7Same dayByrnes MichaelChief Financial OfficerPPurchase+25.0K$1.33+$33.3K+590.6%29.2K after
May 19, 2022 (view filing)6:16 PM ETMay 17-192 daysRoot Jonathan D and 4 others10% OwnerSSale−34.4K$1.73−$59.5K−20.2%136.2K after6 lots
May 16, 2022 (view filing)6:36 PM ETMay 12-164 daysRoot Jonathan D and 4 others10% OwnerSSale−46.2K$1.85−$85.5K−25.2%137.3K after6 lots
May 11, 2022 (view filing)8:10 PM ETMay 9-112 daysRoot Jonathan D and 4 others10% OwnerSSale−49.0K$2.42−$118.4K−26.1%138.7K after6 lots
Feb 22, 2022 (view filing)Feb 14-188 daysLateEhrlich Christopher BDirectorPPurchase+3.00K$4.40+$13.2K+23.1%16.0K after2 lots
Feb 10, 2022 (view filing)Feb 8-92 daysEhrlich Christopher BDirectorPPurchase+2.00K$4.84+$9.67K+18.2%13.0K after2 lots
Feb 7, 2022 (view filing)Feb 3-44 daysEhrlich Christopher BDirectorPPurchase+6.00K$5.13+$30.8K+120.0%11.0K after2 lots
Jan 31, 2022 (view filing)Jan 274 daysEhrlich Christopher BDirectorPPurchase+5.00K$5.30+$26.5KNew position5.00K after
Dec 6, 2021 (view filing)7:27 PM ETDec 24 daysUS Venture Partners X LP and 3 others10% OwnerSSale−8.11K$5.68−$46.1K−5.5%140.3K after2 lotsDuplicate filing
Dec 6, 2021 (view filing)Dec 24 daysRoot Jonathan DDirector, 10% OwnerSSale−8.11K$5.68−$46.1K−5.5%140.3K after2 lots
Dec 1, 2021 (view filing)6:31 PM ETNov 29-Dec 12 daysUS Venture Partners X LP and 3 others10% OwnerSSale−72.4K$6.56−$475.4K−34.0%140.5K after6 lots
Dec 1, 2021 (view filing)Nov 29-Dec 12 daysRoot Jonathan DDirector, 10% OwnerSSale−72.4K$6.57−$475.5K−34.0%140.5K after6 lots
Nov 26, 2021 (view filing)4:43 PM ETNov 23-263 daysUS Venture Partners X LP and 3 others10% OwnerSSale−56.4K$7.34−$414.0K−28.3%142.8K after6 lots
Nov 26, 2021 (view filing)Nov 23-263 daysRoot Jonathan DDirector, 10% OwnerSSale−56.4K$7.34−$414.1K−28.3%142.8K after6 lots
Nov 22, 2021 (view filing)7:12 PM ETNov 18-224 daysUS Venture Partners X LP and 3 others10% OwnerSSale−50.2K$8.12−$407.4K−25.8%144.5K after6 lots
Nov 22, 2021 (view filing)Nov 18-224 daysRoot Jonathan DDirector, 10% OwnerSSale−50.2K$8.12−$407.4K−25.8%144.5K after6 lots
Nov 17, 2021 (view filing)7:55 PM ETNov 15-172 daysUS Venture Partners X LP and 3 others10% OwnerSSale−23.6K$9.38−$221.5K−13.9%146.1K after6 lots
Nov 17, 2021 (view filing)Nov 15-172 daysRoot Jonathan DDirector, 10% OwnerSSale−23.6K$9.38−$221.6K−13.9%146.1K after6 lots
Nov 12, 2021 (view filing)5:52 PM ETNov 9-123 daysUS Venture Partners X LP and 3 others10% OwnerSSale−86.8K$10.56−$917.0K−37.2%146.8K after8 lots
Nov 12, 2021 (view filing)Nov 9-123 daysRoot Jonathan DDirector, 10% OwnerSSale−86.8K$10.56−$917.1K−37.2%146.8K after8 lots