4//SEC Filing
Casdin Partners GP, LLC 4
Accession 0000919574-24-002176
CIK 0001860782other
Filed
Mar 24, 8:00 PM ET
Accepted
Mar 25, 9:44 PM ET
Size
20.5 KB
Accession
0000919574-24-002176
Insider Transaction Report
Form 4
Casdin Partners GP, LLC
Director
Transactions
- Purchase
Common Stock, par value $0.0001 per share
2024-03-21$4.90/sh+300,000$1,470,990→ 1,482,623 total(indirect: See footnote) - Purchase
Common Stock, par value $0.0001 per share
2024-03-22$5.12/sh+147,377$754,069→ 1,630,000 total(indirect: See footnote) - SaleSwap
Total Return Swap
2024-03-21$4.72/sh−63,151$297,782→ 536,784 total(indirect: See footnote)→ Common Stock, par value $0.0001 per share (63,151 underlying) - Purchase
Common Stock, par value $0.0001 per share
2024-03-25$5.07/sh+330,000$1,673,991→ 1,960,000 total(indirect: See footnote)
Holdings
- 16,600
Common Stock, par value $0.0001 per share
Transactions
- SaleSwap
Total Return Swap
2024-03-21$4.72/sh−63,151$297,782→ 536,784 total(indirect: See footnote)→ Common Stock, par value $0.0001 per share (63,151 underlying) - Purchase
Common Stock, par value $0.0001 per share
2024-03-21$4.90/sh+300,000$1,470,990→ 1,482,623 total(indirect: See footnote) - Purchase
Common Stock, par value $0.0001 per share
2024-03-22$5.12/sh+147,377$754,069→ 1,630,000 total(indirect: See footnote) - Purchase
Common Stock, par value $0.0001 per share
2024-03-25$5.07/sh+330,000$1,673,991→ 1,960,000 total(indirect: See footnote)
Holdings
- 16,600
Common Stock, par value $0.0001 per share
Casdin Capital, LLC
Director
Transactions
- SaleSwap
Total Return Swap
2024-03-21$4.72/sh−63,151$297,782→ 536,784 total(indirect: See footnote)→ Common Stock, par value $0.0001 per share (63,151 underlying) - Purchase
Common Stock, par value $0.0001 per share
2024-03-22$5.12/sh+147,377$754,069→ 1,630,000 total(indirect: See footnote) - Purchase
Common Stock, par value $0.0001 per share
2024-03-25$5.07/sh+330,000$1,673,991→ 1,960,000 total(indirect: See footnote) - Purchase
Common Stock, par value $0.0001 per share
2024-03-21$4.90/sh+300,000$1,470,990→ 1,482,623 total(indirect: See footnote)
Holdings
- 16,600
Common Stock, par value $0.0001 per share
Casdin Eli
Director
Transactions
- Purchase
Common Stock, par value $0.0001 per share
2024-03-22$5.12/sh+147,377$754,069→ 1,630,000 total(indirect: See footnote) - Purchase
Common Stock, par value $0.0001 per share
2024-03-21$4.90/sh+300,000$1,470,990→ 1,482,623 total(indirect: See footnote) - SaleSwap
Total Return Swap
2024-03-21$4.72/sh−63,151$297,782→ 536,784 total(indirect: See footnote)→ Common Stock, par value $0.0001 per share (63,151 underlying) - Purchase
Common Stock, par value $0.0001 per share
2024-03-25$5.07/sh+330,000$1,673,991→ 1,960,000 total(indirect: See footnote)
Holdings
- 16,600
Common Stock, par value $0.0001 per share
Footnotes (8)
- [F1]The price reported in Column 4 is a weighted average price. These shares were bought in multiple transactions within the range of $4.63 to $5. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the range set forth in this footnote.
- [F2]The securities are owned directly by Casdin Partners Master Fund, L.P. (the "Master Fund") and may be deemed to be indirectly beneficially owned by (i) Casdin Capital, LLC, the investment adviser to the Master Fund ("Casdin"), (ii) Casdin Partners GP, LLC, the general partner of the Master Fund (the "GP"), and (iii) Eli Casdin, the managing member of Casdin and the GP.
- [F3]The price reported in Column 4 is a weighted average price. These shares were bought in multiple transactions within the range of $4.93 to $5.21. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the range set forth in this footnote.
- [F4]The price reported in Column 4 is a weighted average price. These shares were bought in multiple transactions within the range of $4.87 to $5.55. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the range set forth in this footnote.
- [F5]This restricted stock unit award vests ratable over three years in annual installments with the first installment vesting on March 20, 2025, subject to the Reporting Person's continued service through the applicable vesting date.
- [F6]The securities are owned directly by Eli Casdin.
- [F7]The Master Fund has entered into certain cash-settled total return swap agreements (the "Swap Agreements"), which represent, after the transaction reported herein, economic exposure to an aggregate of 536,784.15 notional shares of the Issuer's Common Stock, par value $0.0001 per share. The Swap Agreements provide the Master Fund with economic results that are comparable to the economic results of ownership but do not provide it with the power to vote or direct the voting or dispose of or direct the disposition of the securities that are referenced by the Swap Agreements.
- [F8]The price reported in Column 7 is a weighted average price. These securities were sold in multiple transactions within the range of $4.62 to $4.84. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of securities sold at each separate price within the range set forth in this footnote.
Documents
Issuer
2seventy bio, Inc.
CIK 0001860782
Entity typeother
IncorporatedDE
Related Parties
1- filerCIK 0001534260
Filing Metadata
- Form type
- 4
- Filed
- Mar 24, 8:00 PM ET
- Accepted
- Mar 25, 9:44 PM ET
- Size
- 20.5 KB