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RA Capital Healthcare Fund LP's Form 4 filing

Adicet Bio, Inc. (ACET) · filed Apr 13, 2026

Accession no.
0001231919-26-000337
Filed
Apr 13, 2026, 5:20 PM ET
Trade date
Feb 18-20, 2026
Filing delay
54 daysLate
Rule 10b5-1 plan
Not checked

This filing lists 3 non-derivative transactions. Open-market purchases total $1.60M. It was filed 54 days after the trade, past the 2-business-day deadline.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
RA Capital Healthcare Fund LPCIK 000131508210% Owner
Ra Capital Management, L.P.CIK 000134682410% Owner
Kolchinsky PeterCIK 000138485910% Owner
Shah Rajeev M.CIK 000161984110% Owner

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Feb 18, 2026Common StockPPurchaseAcquired+74,577$7.04F1+$525,022.081,033,605Indirect
Feb 19, 2026Common StockPPurchaseAcquired+74,268$7.21F4+$535,472.281,107,873Indirect
Feb 20, 2026Common StockPPurchaseAcquired+74,751$7.27F5+$543,439.771,182,624Indirect

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

F1

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.89 to $7.20 inclusive. The Reporting Persons undertake 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 purchased at each separate price within the range set forth in this footnote.

Referenced by the price of 1 transaction in Table I.

F4

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.89 to $7.48 inclusive. The Reporting Persons undertake 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 purchased at each separate price within the range set forth in this footnote.

Referenced by the price of 1 transaction in Table I.

F5

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $7.05 to $7.58 inclusive. The Reporting Persons undertake 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 purchased at each separate price within the range set forth in this footnote.

Referenced by the price of 1 transaction in Table I.

Read the full filing on SEC EDGAR (opens in a new tab)