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Lo Francis's Form 4/A amendment

Amended

Adaptive Biotechnologies Corp (ADPT) · filed Jan 7, 2026

Accession no.
0001780660-26-000002
Filed
Jan 7, 2026
Trade date
Dec 22, 2025
Filing delay
16 days
Rule 10b5-1 plan
Checked
Original filed
Dec 29, 2025

This filing lists 4 non-derivative transactions and 3 derivative transactions. Open-market sales total $76.9K. It was filed 16 days after the trade.

This amendment replaces 0001780660-25-000003 (filed Dec 29, 2025).

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
Lo FrancisCIK 0001780660Officer (Chief People Officer)

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
Dec 22, 2025Common StockMOption exerciseAcquired+1,100$7.80+$8,580317,078Direct
Dec 22, 2025Common StockMOption exerciseAcquired+1,100$8.46+$9,306318,178Direct
Dec 22, 2025Common StockMOption exerciseAcquired+2,194$3.99+$8,754.06320,372Direct
Dec 22, 2025Common StockSSaleDisposed−4,394$17.50F2−$76,895315,978Direct

Derivative securities (Table II)

Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.

Derivative transactions
Trade dateSecurityTransactionUnderlying sharesUnit priceValueHeld afterOwnershipFlags
Dec 22, 2025Common StockMOption exerciseDisposed−1,100$0.00$0112,150Direct
Dec 22, 2025Common StockMOption exerciseDisposed−1,100$0.00$0108,076Direct
Dec 22, 2025Common StockMOption exerciseDisposed−2,194$0.00$0107,981Direct

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 transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 15, 2025.

F2

The price reported for this transaction is a weighted -average price. The shares were sold in multiple transactions ranging from $17.49 to $17.50, inclusive. The reporting person undertakes to provide to Adaptive Biotechnologies Corporation, any security holder of Adaptive Biotechnologies Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in any footnotes to this Form 4.

Referenced by the price of 1 transaction in Table I.

F3

The option is fully vested and exercisable.

F4

The options vested with respect to 1/4 of such shares on March 4, 2024, with 1/48 of such shares vesting thereafter at the end of each full month of continuous service until fully vested.

F5

The options vested with respect to 1/4 of such shares on March 4, 2025, with 1/48 of such shares vesting thereafter at the end of each full month of continuous service until fully vested.

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