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2seventy bio, Inc.

TSVTDelisted May 13, 2025
Industry
Pharmaceutical Preparations
SEC CIK
0001860782

2seventy bio, Inc. was delisted on May 13, 2025; its insiders filed their last Form 4 on May 15, 2025; 140 institutions reported holding it in 13F filings for Q1 2025, worth $234.5M in total; no superinvestor held it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by 2seventy bio, 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 2seventy bio, 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 2seventy bio, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Casdin Partners GP, LLCDirector0IndirectMay 15, 20250
Casdin Capital, LLCDirector0IndirectMay 15, 20250
Casdin EliDirector0IndirectMay 15, 20250
Casdin Partners Master Fund, L.P.Director0IndirectMay 15, 20250
Baird William D IIIPresident and CEO0May 15, 20250
Leschly NickDirector0IndirectMay 15, 20250
Glickman Sarah JSDirector0May 15, 20250
Torres DeniceDirector0May 15, 20250
Newton Charles W.Director0May 15, 20250
Wei LinDirector0May 15, 20250
Maus Marcela V.Director0May 15, 20250
Snow JessicaChief Operating Officer0May 15, 20250
Eatwell VictoriaChief Financial Officer0May 15, 20250
Kynam Capital Management, LP10% Owner0IndirectMar 13, 20250
Kynam Capital Management GP, LLC10% Owner0IndirectMar 13, 20250
Kynam Global Healthcare Master Fund, LP10% Owner0IndirectMar 13, 20250
Kynam Fund GP, LLC10% Owner0IndirectMar 13, 20250
Tang Yue10% Owner0IndirectMar 13, 20250
Gregory Philip DChief Scientific Officer310,280Jan 9, 20240
Lynch DanielDirector21,053Jun 15, 20230
Ibrahim RamyDirector19,050Jun 15, 20230
Heffron NicolaChief Operating Officer89,182Feb 9, 20230
Sellers William R.Director3,202Nov 16, 20210
bluebird bio, Inc.10% Owner0Nov 8, 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
Dec 9, 2021 (view filing)Dec 72 daysHeffron NicolaChief Operating OfficerSSale−257$31.06−$7.98K−0.4%57.5K after
Jan 11, 2022 (view filing)Jan 74 daysLeschly NickPresident and CEOSSale−3.27K$23.91−$78.2K−1.7%188.0K after
Jan 11, 2022 (view filing)Jan 74 daysGregory Philip DChief Scientific OfficerSSale−1.45K$23.91−$34.7K−2.3%61.7K after
Jan 11, 2022 (view filing)Jan 74 daysBaird William D IIIChief Financial OfficerSSale−896$23.91−$21.4K−1.5%58.0K after
Feb 8, 2022 (view filing)Feb 4-74 daysHeffron NicolaChief Operating OfficerSSale−2.10K$15.88−$33.4K−3.7%55.4K after2 lots
Feb 22, 2022 (view filing)Feb 175 daysBaird William D IIIChief Financial OfficerSSale−427$14.78−$6.31K−0.7%57.6K after
Mar 22, 2022 (view filing)Mar 175 daysLeschly NickPresident and CEOPPurchase+368.9K$12.20+$4.50M+196.2%556.9K afterAmended
Jul 19, 2022 (view filing)Jul 154 daysLeschly NickPresident and CEOSSale−5.40K$13.81−$74.6K−1.0%551.5K after
Jul 19, 2022 (view filing)Jul 154 daysGregory Philip DChief Scientific OfficerSSale−2.37K$13.81−$32.7K−2.2%106.8K after
Jul 19, 2022 (view filing)Jul 154 daysBaird William D IIIChief Financial OfficerSSale−4.08K$13.81−$56.3K−4.5%87.2K after
Aug 8, 2022 (view filing)Aug 53 daysLeschly NickPresident and CEOSSale−5.50K$16.23−$89.2K−1.0%546.0K after
Aug 8, 2022 (view filing)Aug 53 daysGregory Philip DChief Scientific OfficerSSale−2.41K$16.23−$39.1K−2.3%104.4K after
Aug 8, 2022 (view filing)Aug 53 daysBaird William D IIIChief Financial OfficerSSale−4.15K$16.23−$67.4K−4.8%83.1K after
Nov 23, 2022 (view filing)Nov 212 daysHeffron NicolaChief Operating OfficerSSale−7.70K$13.97−$107.5K−7.9%90.2K after
Dec 6, 2022 (view filing)Dec 51 dayHeffron NicolaChief Operating OfficerSSale−272$15.43−$4.20K−0.3%90.0K after
Jan 11, 2023 (view filing)Jan 92 daysLeschly NickPresident and CEOSSale−2.98K$10.33−$30.8K−0.5%543.0K after
Jan 11, 2023 (view filing)Jan 92 daysBaird William D IIIChief Financial OfficerSSale−3.22K$10.33−$33.3K−3.9%79.9K after
Jan 11, 2023 (view filing)Jan 92 daysGregory Philip DChief Scientific OfficerSSale−3.79K$10.33−$39.2K−3.6%100.6K after
Jan 11, 2023 (view filing)Jan 92 daysHeffron NicolaChief Operating OfficerSSale−584$10.33−$6.03K−0.6%89.4K after
Jan 17, 2023 (view filing)Jan 125 daysLeschly NickPresident and CEOSSale−6.59K$10.46−$68.9K−1.2%536.4K after
Jan 18, 2023 (view filing)Jan 117 daysLateBaird William D IIIChief Financial OfficerSSale−1.08K$10.63−$11.4K−1.3%78.8K after
Jan 18, 2023 (view filing)Jan 117 daysLateLeschly NickPresident and CEOSSale−2.03K$10.63−$21.5K−0.4%534.4K after
Jan 18, 2023 (view filing)Jan 117 daysLateHeffron NicolaChief Operating OfficerSSale−128$10.63−$1.36K−0.1%89.2K after
Jan 18, 2023 (view filing)Jan 117 daysLateGregory Philip DChief Scientific OfficerSSale−1.08K$10.63−$11.4K−1.1%99.5K after
Feb 9, 2023 (view filing)Feb 72 daysHeffron NicolaChief Operating OfficerSSale−60$14.70−$882−0.1%89.2K after
Feb 15, 2023 (view filing)Feb 132 daysBaird William D IIIChief Financial OfficerSSale−637$12.86−$8.19K−0.3%210.3K after
Aug 7, 2023 (view filing)Aug 34 daysBaird William D IIIChief Financial OfficerSSale−6.91K$6.13−$42.3K−3.3%203.4K after10b5-1
Aug 7, 2023 (view filing)Aug 34 daysGregory Philip DChief Scientific OfficerSSale−3.97K$6.13−$24.3K−1.5%263.4K after10b5-1
Aug 7, 2023 (view filing)Aug 34 daysLeschly NickPresident and CEOSSale−9.06K$6.13−$55.5K−0.8%1.17M after10b5-1
Aug 14, 2023 (view filing)Aug 104 daysKynam Capital Management, LP10% OwnerPPurchaseCommon Stock, par value $0.0001 per share+515.4K$5.92+$3.05M+11.1%5.14M after5 lots
Aug 14, 2023 (view filing)Aug 104 daysKynam Capital Management, LP10% OwnerPPurchaseCommon Stock, par value $0.0001 per share+86.4K$5.96+$515.0K+1.7%5.14M after
Aug 16, 2023 (view filing)7:11 PM ETAug 106 daysLateKynam Capital Management GP, LLC and 3 others10% OwnerPPurchaseCommon Stock, par value $0.0001 per share+515.4K$5.92+$3.05M+11.1%5.14M after5 lotsDuplicate filing
Aug 16, 2023 (view filing)7:11 PM ETAug 106 daysLateKynam Capital Management GP, LLC and 3 others10% OwnerPPurchaseCommon Stock, par value $0.0001 per share+86.4K$5.96+$515.0K+1.7%5.14M afterDuplicate filing
Aug 24, 2023 (view filing)Aug 222 daysBaird William D IIIChief Financial OfficerSSale−7.03K$5.49−$38.6K−3.5%196.4K after10b5-1
Aug 24, 2023 (view filing)Aug 222 daysGregory Philip DChief Scientific OfficerSSale−6.16K$5.49−$33.8K−2.3%257.3K after10b5-1
Aug 24, 2023 (view filing)Aug 222 daysLeschly NickPresident and CEOSSale−9.31K$5.49−$51.1K−0.8%1.16M after10b5-1
Jan 5, 2024 (view filing)Jan 32 daysBaird William D IIIChief Operating OfficerSSale−33.7K$3.87−$130.2K−17.1%162.7K after
Jan 5, 2024 (view filing)Jan 32 daysGregory Philip DChief Scientific OfficerSSale−25.6K$3.87−$99.1K−10.0%231.6K after
Jan 5, 2024 (view filing)Jan 32 daysLeschly NickPresident and CEOSSale−72.3K$3.87−$279.8K−6.2%1.09M after
Jan 9, 2024 (view filing)Jan 54 daysLeschly NickPresident and CEOSSale−1.55K$3.75−$5.83K−0.1%1.09M after
Jan 9, 2024 (view filing)Jan 54 daysGregory Philip DChief Scientific OfficerSSale−795$3.75−$2.98K−0.3%230.8K after
Jan 9, 2024 (view filing)Jan 54 daysBaird William D IIIChief Operating OfficerSSale−1.38K$3.75−$5.17K−0.8%161.3K after
Mar 25, 2024 (view filing)9:44 PM ETMar 21-254 daysCasdin Partners GP, LLC and 3 othersDirectorPPurchaseCommon Stock, par value $0.0001 per share+777.4K$5.02+$3.90M+65.7%1.96M after3 lots
Mar 25, 2024 (view filing)9:44 PM ETMar 214 daysCasdin Partners GP, LLC and 3 othersDirectorSSaleCommon Stock, par value $0.0001 per share−63.2K$4.72−$297.8K–536.8K afterDerivative
Mar 28, 2024 (view filing)8:29 PM ETMar 262 daysCasdin Partners GP, LLC and 3 othersDirectorPPurchaseCommon Stock, par value $0.0001 per share+40.0K$5.10+$204.0K+2.0%2.00M after
May 16, 2024 (view filing)May 313 daysLateSnow JessicaSee RemarksSSale−15$4.91−$73.650.0%56.3K after
Jun 5, 2024 (view filing)Jun 32 daysSnow JessicaSee RemarksSSale−649$4.18−$2.71K−1.2%55.6K after
Jun 5, 2024 (view filing)Jun 32 daysEatwell VictoriaChief Financial OfficerSSale−1.17K$4.18−$4.88K−1.2%95.5K after
Jul 3, 2024 (view filing)Jul 21 dayEatwell VictoriaChief Financial OfficerSSale−12$4.02−$48.240.0%341.3K after
Jul 3, 2024 (view filing)Jul 21 daySnow JessicaSee RemarksSSale−14$4.02−$56.280.0%164.1K after