Panacea Innovation Ltd bought ATRA

August 15, 2025 · Form 4 insider transaction

Panacea Innovation Ltd bought 55,000 shares of Atara Biotherapeutics, Inc. at $12.19 per share, a transaction worth $670.4K. The trade was recorded as open-market purchase and disclosed on an SEC Form 4, filed 4 days after the transaction.

Direction
Acquired (buy-side)
Shares
55,000
Price
$12.19
Total value
$670.4K
Role10% owner
SecurityCommon Stock
Transaction codeP: Open-market purchase
Transaction dateAugust 15, 2025
Filing dateAugust 19, 2025
Shares owned after1,405,000
OwnershipIndirect
10b5-1 planNo
AmendedNo

Footnotes

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $11.83 to $12.44, inclusive. The Reporting Person undertake to provide to the Issuer, any securityholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.; Represents securities held by Panacea Venture Healthcare Fund II, L.P.; James Huang is the sole owner of Panacea Innovation Limited, which is the sole owner of Panacea Venture Healthcare Fund II GP Company, Ltd. ("Fund II GP") and Panacea Opportunity Fund I GP Company, Ltd. ("Opportunity Fund GP"), which are the general partners of Panacea Venture Healthcare Fund II, L.P. and Panacea Opportunity Fund I, L.P. As a result, each of the Reporting Persons may be deemed to share beneficial ownership of the securities held of record by Panacea Venture Healthcare Fund II, L.P. and Panacea Opportunity Fund I, L.P., but each disclaims such beneficial ownership.

View the original Form 4 on SEC EDGAR