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SCHEDULE Filed 2026-01-28 Event 2026-01-26 SEC 0001104659-26-007234 →

Magnetar Financial LLC Astria Therapeutics, Inc.

Stake: Shares: CUSIP: 04635X102 Class: Class A Common Stock, par value $0.001

Item 4 — Purpose of Transaction

Since the filing of the Schedule 13D on October 24, 2025, on January 23, 2026, the Issuer consummated a merger (the "Merger") pursuant to which each issued and outstanding Share was cancelled and converted into the right to receive $8.55 in cash, without interest. In connection with the Merger, the Reporting Persons' 3,431,007 Shares, which consisted of 1,560,502 Shares sold for the benefit of PRA Master Fund; 804,159 Shares sold for the benefit of Systematic Master Fund; 221,576 Shares sold for the benefit of the Relative Value Master Fund and 844,770 Shares sold for the benefit of two Managed Accounts, were cancelled and converted into the right to receive $8.55 in cash, without interest.

Cross-References

Insider Activity (last 365d)
0 transactions
0 buys · 0 sales · 0 awards/exercises
Issuer Cluster
3 13D/G filings on this issuer
2 other filings besides this one
Filer Track Record
8 filings by this filer
7 other filings in the data moat
Short Interest
Not in latest FINRA snapshot

Institutional Consensus · 2025-12-31

Held by elite portfolio managers
2 holders · $11.84M
Point72 Asset MgmtSoros Fund Management

Other 13D/G Filings on Astria Therapeutics, Inc.

FiledFormFilerStakeShares
2018-04-04 SC Clarus Lifesciences II, L.P. view →
2018-02-09 SC Clarus Lifesciences II, L.P. view →

Other Filings by Magnetar Financial LLC

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2024-07-03 SC Appgate, Inc. view →
2021-04-27 SC MAGELLAN HEALTH INC view →
2020-01-02 SC KEMET CORP view →
2018-05-14 SC STEWART INFORMATION SERVICES CORP STC view →

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