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LO FRANCIS

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SEC CIK
0001780660

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Adaptive Biotechnologies CorpADPT · Entity 1126Chief People OfficerOctober 01, 2026October 06, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Adaptive Biotechnologies Corp

Report date October 01, 2026 · Filed October 06, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect220,867 Ending reported balance After 2026-10-01 transaction · row 5
5 source rows · reconciled sequence

Row 1 · 2026-10-01 · Exercise / conversion · Acquired 8,038 · Balance 228,905

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.

Row 2 · 2026-10-01 · Exercise / conversion · Acquired 9,377 · Balance 238,282

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.

Row 3 · 2026-10-01 · Exercise / conversion · Acquired 9,377 · Balance 247,659

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.

Row 4 · 2026-10-01 · Sale · Disposed 8,094 · Balance 239,565

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. These shares were sold in multiple transactions at prices ranging from $27.22 to $28.22, 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.

Row 5 · 2026-10-01 · Sale · Disposed 18,698 · Balance 220,867

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.

F3: The price reported for this transaction is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.33 to $29.00, 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.

Stock Option (right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $8.46 · Expires 2033-03-06Direct16,075 Reported balance After 2026-10-01 transaction · row 7 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 7 · 2026-10-01 · Exercise / conversion · Disposed 8,038 · Balance 16,075

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.

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.

Stock Option (right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $3.99 · Expires 2034-03-04Direct56,259 Reported balance After 2026-10-01 transaction · row 8 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 8 · 2026-10-01 · Exercise / conversion · Disposed 9,377 · Balance 56,259

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.

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.

Stock Option (right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $8.12 · Expires 2035-03-04Direct93,765 Reported balance After 2026-10-01 transaction · row 9 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 9 · 2026-10-01 · Exercise / conversion · Disposed 9,377 · Balance 93,765

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.

F6: The options vested with respect to 1/4 of such shares on March 4, 2026, with 1/48 of such shares vesting thereafter at the end of each full month of continuous service until fully vested.

Common StockSEC Table I · non-derivativeIndirectBy You Jin Lee (spouse)2,500 Reported balance Holding disclosure · report date 2026-10-01 · row 6 Holding and transaction disclosures are not merged.
1 source row

Row 6 · Balance 2,500

Filing footnotes · ownership attribution and instrument terms

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. These shares were sold in multiple transactions at prices ranging from $27.22 to $28.22, 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.

F3: The price reported for this transaction is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.33 to $29.00, 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.

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.

F6: The options vested with respect to 1/4 of such shares on March 4, 2026, with 1/48 of such shares vesting thereafter at the end of each full month of continuous service until fully vested.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
October 01, 2026 Filed Oct 6, 2026 00:12 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionStock Option (right to buy) · Derivative 9,377 $0.00 Strike: $8.12 $0.00
Disclosure

SEC source: 0001780660-26-000024 · form4.xml · derivative · entry 9

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 93,765

Underlying: Common Stock · 9,377 shares

Expires 2035-03-04

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

F6 · derivative.exercise_date: The options vested with respect to 1/4 of such shares on March 4, 2026, with 1/48 of such shares vesting thereafter at the end of each full month of continuous service until fully vested.

Read SEC document
October 01, 2026 Filed Oct 6, 2026 00:12 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionStock Option (right to buy) · Derivative 9,377 $0.00 Strike: $3.99 $0.00
Disclosure

SEC source: 0001780660-26-000024 · form4.xml · derivative · entry 8

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 56,259

Underlying: Common Stock · 9,377 shares

Expires 2034-03-04

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

F5 · derivative.exercise_date: 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 SEC document
October 01, 2026 Filed Oct 6, 2026 00:12 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionStock Option (right to buy) · Derivative 8,038 $0.00 Strike: $8.46 $0.00
Disclosure

SEC source: 0001780660-26-000024 · form4.xml · derivative · entry 7

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,075

Underlying: Common Stock · 8,038 shares

Expires 2033-03-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

F4 · derivative.exercise_date: 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.

Read SEC document
October 01, 2026 Filed Oct 6, 2026 00:12 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 SaleCommon Stock 18,698 $28.61 $534,949.78
Disclosure

SEC source: 0001780660-26-000024 · form4.xml · nonDerivative · entry 5

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 220,867

F1 · kind: 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.

F3 · price: The price reported for this transaction is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.33 to $29.00, 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.

Read SEC document
October 01, 2026 Filed Oct 6, 2026 00:12 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 SaleCommon Stock 8,094 $27.52 $222,746.88
Disclosure

SEC source: 0001780660-26-000024 · form4.xml · nonDerivative · entry 4

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 239,565

F1 · kind: 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 · price: The price reported for this transaction is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.22 to $28.22, 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.

Read SEC document
October 01, 2026 Filed Oct 6, 2026 00:12 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionCommon Stock 9,377 $8.12 $76,141.24
Disclosure

SEC source: 0001780660-26-000024 · form4.xml · nonDerivative · entry 3

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 247,659

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

Read SEC document
October 01, 2026 Filed Oct 6, 2026 00:12 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionCommon Stock 9,377 $3.99 $37,414.23
Disclosure

SEC source: 0001780660-26-000024 · form4.xml · nonDerivative · entry 2

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 238,282

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

Read SEC document
October 01, 2026 Filed Oct 6, 2026 00:12 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionCommon Stock 8,038 $8.46 $68,001.48
Disclosure

SEC source: 0001780660-26-000024 · form4.xml · nonDerivative · entry 1

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 228,905

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

Read SEC document
July 15, 2026 Filed Jul 17, 2026 23:23 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionStock Option (right to buy) · Derivative 22,711 $0.00 Strike: $8.46 $0.00
Disclosure

SEC source: 0001780660-26-000019 · form4.xml · derivative · entry 8

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 37,511

Underlying: Common Stock · 22,711 shares

Expires 2033-03-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

F4 · derivative.exercise_date: 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.

Read SEC document
July 15, 2026 Filed Jul 17, 2026 23:23 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionStock Option (right to buy) · Derivative 23,677 $0.00 Strike: $12.14 $0.00
Disclosure

SEC source: 0001780660-26-000019 · form4.xml · derivative · entry 7

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 132,246

Underlying: Common Stock · 23,677 shares

Expires 2032-03-04

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

F3 · derivative.exercise_date: The option is fully vested and exercisable.

Read SEC document
July 15, 2026 Filed Jul 17, 2026 23:23 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionStock Option (right to buy) · Derivative 59,374 $0.00 Strike: $7.80 $0.00
Disclosure

SEC source: 0001780660-26-000019 · form4.xml · derivative · entry 6

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 59,374 shares

Expires 2029-05-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

F3 · derivative.exercise_date: The option is fully vested and exercisable.

Read SEC document
July 15, 2026 Filed Jul 17, 2026 23:23 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 SaleCommon Stock 105,762 $22.59 $2,389,163.58
Disclosure

SEC source: 0001780660-26-000019 · form4.xml · nonDerivative · entry 4

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 230,713

F1 · kind: 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 · price: The price reported for this transaction is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.49 to $22.78, 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.

Read SEC document
July 15, 2026 Filed Jul 17, 2026 23:23 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionCommon Stock 22,711 $8.46 $192,135.06
Disclosure

SEC source: 0001780660-26-000019 · form4.xml · nonDerivative · entry 3

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 336,475

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

Read SEC document
July 15, 2026 Filed Jul 17, 2026 23:23 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionCommon Stock 23,677 $12.14 $287,438.78
Disclosure

SEC source: 0001780660-26-000019 · form4.xml · nonDerivative · entry 2

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 313,764

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

Read SEC document
July 15, 2026 Filed Jul 17, 2026 23:23 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionCommon Stock 59,374 $7.80 $463,117.20
Disclosure

SEC source: 0001780660-26-000019 · form4.xml · nonDerivative · entry 1

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 290,087

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

Read SEC document
July 02, 2026 Filed Jul 6, 2026 23:19 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionStock Option (right to buy) · Derivative 12,637 $0.00 Strike: $8.46 $0.00
Disclosure

SEC source: 0001780660-26-000017 · form4.xml · derivative · entry 20

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 60,222

Underlying: Common Stock · 12,637 shares

Expires 2033-03-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

F6 · derivative.exercise_date: 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.

Read SEC document
July 02, 2026 Filed Jul 6, 2026 23:19 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionStock Option (right to buy) · Derivative 12,600 $0.00 Strike: $12.14 $0.00
Disclosure

SEC source: 0001780660-26-000017 · form4.xml · derivative · entry 19

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 155,923

Underlying: Common Stock · 12,600 shares

Expires 2032-03-04

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

F5 · derivative.exercise_date: The option is fully vested and exercisable.

Read SEC document
July 02, 2026 Filed Jul 6, 2026 23:19 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionStock Option (right to buy) · Derivative 12,626 $0.00 Strike: $7.80 $0.00
Disclosure

SEC source: 0001780660-26-000017 · form4.xml · derivative · entry 18

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 59,374

Underlying: Common Stock · 12,626 shares

Expires 2029-05-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

F5 · derivative.exercise_date: The option is fully vested and exercisable.

Read SEC document
July 02, 2026 Filed Jul 6, 2026 23:19 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 SaleCommon Stock 44,838 $22.59 $1,012,890.42
Disclosure

SEC source: 0001780660-26-000017 · form4.xml · nonDerivative · entry 11

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 230,713

F1 · kind: 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.

F4 · price: The price reported for this transaction is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.49 to $22.79, 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.

Read SEC document
July 02, 2026 Filed Jul 6, 2026 23:19 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionCommon Stock 12,637 $8.46 $106,909.02
Disclosure

SEC source: 0001780660-26-000017 · form4.xml · nonDerivative · entry 10

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 275,551

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

Read SEC document
July 02, 2026 Filed Jul 6, 2026 23:19 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionCommon Stock 12,600 $12.14 $152,964.00
Disclosure

SEC source: 0001780660-26-000017 · form4.xml · nonDerivative · entry 9

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 262,914

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

Read SEC document
July 02, 2026 Filed Jul 6, 2026 23:19 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionCommon Stock 12,626 $7.80 $98,482.80
Disclosure

SEC source: 0001780660-26-000017 · form4.xml · nonDerivative · entry 8

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 250,314

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

Read SEC document
July 01, 2026 Filed Jul 6, 2026 23:19 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionStock Option (right to buy) · Derivative 14,064 $0.00 Strike: $8.12 $0.00
Disclosure

SEC source: 0001780660-26-000017 · form4.xml · derivative · entry 17

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 126,584

Underlying: Common Stock · 14,064 shares

Expires 2035-03-04

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

F8 · derivative.exercise_date: The options vested with respect to 1/4 of such shares on March 4, 2026, with 1/48 of such shares vesting thereafter at the end of each full month of continuous service until fully vested.

Read SEC document
July 01, 2026 Filed Jul 6, 2026 23:19 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionStock Option (right to buy) · Derivative 4,688 $0.00 Strike: $3.99 $0.00
Disclosure

SEC source: 0001780660-26-000017 · form4.xml · derivative · entry 16

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 81,265

Underlying: Common Stock · 4,688 shares

Expires 2034-03-04

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

F7 · derivative.exercise_date: 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 SEC document
July 01, 2026 Filed Jul 6, 2026 23:19 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionStock Option (right to buy) · Derivative 12,206 $0.00 Strike: $8.46 $0.00
Disclosure

SEC source: 0001780660-26-000017 · form4.xml · derivative · entry 15

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 72,859

Underlying: Common Stock · 12,206 shares

Expires 2033-03-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

F6 · derivative.exercise_date: 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.

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July 01, 2026 Filed Jul 6, 2026 23:19 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionStock Option (right to buy) · Derivative 3,300 $0.00 Strike: $12.14 $0.00
Disclosure

SEC source: 0001780660-26-000017 · form4.xml · derivative · entry 14

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 168,523

Underlying: Common Stock · 3,300 shares

Expires 2032-03-04

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

F5 · derivative.exercise_date: The option is fully vested and exercisable.

Read SEC document
July 01, 2026 Filed Jul 6, 2026 23:19 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionStock Option (right to buy) · Derivative 3,500 $0.00 Strike: $7.80 $0.00
Disclosure

SEC source: 0001780660-26-000017 · form4.xml · derivative · entry 13

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 72,000

Underlying: Common Stock · 3,500 shares

Expires 2029-05-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

F5 · derivative.exercise_date: The option is fully vested and exercisable.

Read SEC document
July 01, 2026 Filed Jul 6, 2026 23:19 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 SaleCommon Stock 42,261 $22.50 $950,872.50
Disclosure

SEC source: 0001780660-26-000017 · form4.xml · nonDerivative · entry 7

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 237,688

F1 · kind: 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.

F3 · price: The price reported for this transaction is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.49 to $22.54, 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.

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July 01, 2026 Filed Jul 6, 2026 23:19 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 SaleCommon Stock 8,743 $22.18 $193,919.74
Disclosure

SEC source: 0001780660-26-000017 · form4.xml · nonDerivative · entry 6

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 279,949

F1 · kind: 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 · price: The price reported for this transaction is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.48 to $22.47, 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.

Read SEC document
July 01, 2026 Filed Jul 6, 2026 23:19 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionCommon Stock 14,064 $8.12 $114,199.68
Disclosure

SEC source: 0001780660-26-000017 · form4.xml · nonDerivative · entry 5

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 288,692

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

Read SEC document
July 01, 2026 Filed Jul 6, 2026 23:19 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionCommon Stock 4,688 $3.99 $18,705.12
Disclosure

SEC source: 0001780660-26-000017 · form4.xml · nonDerivative · entry 4

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 274,628

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

Read SEC document
July 01, 2026 Filed Jul 6, 2026 23:19 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionCommon Stock 12,206 $8.46 $103,262.76
Disclosure

SEC source: 0001780660-26-000017 · form4.xml · nonDerivative · entry 3

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 269,940

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

Read SEC document
July 01, 2026 Filed Jul 6, 2026 23:19 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionCommon Stock 3,300 $12.14 $40,062.00
Disclosure

SEC source: 0001780660-26-000017 · form4.xml · nonDerivative · entry 2

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 257,734

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

Read SEC document
July 01, 2026 Filed Jul 6, 2026 23:19 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionCommon Stock 3,500 $7.80 $27,300.00
Disclosure

SEC source: 0001780660-26-000017 · form4.xml · nonDerivative · entry 1

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 254,434

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

Read SEC document
June 04, 2026 Filed Jun 9, 2026 00:29 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionStock Option (right to buy) · Derivative 9,376 $0.00 Strike: $8.12 $0.00
Disclosure

SEC source: 0001780660-26-000015 · form4.xml · derivative · entry 10

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 140,648

Underlying: Common Stock · 9,376 shares

Expires 2035-03-04

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

F5 · derivative.exercise_date: The options vested with respect to 1/4 of such shares on March 4, 2026, with 1/48 of such shares vesting thereafter at the end of each full month of continuous service until fully vested.

Read SEC document
June 04, 2026 Filed Jun 9, 2026 00:29 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionStock Option (right to buy) · Derivative 2,344 $0.00 Strike: $3.99 $0.00
Disclosure

SEC source: 0001780660-26-000015 · form4.xml · derivative · entry 9

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 85,953

Underlying: Common Stock · 2,344 shares

Expires 2034-03-04

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

F4 · derivative.exercise_date: 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 SEC document
June 04, 2026 Filed Jun 9, 2026 00:29 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionStock Option (right to buy) · Derivative 2,009 $0.00 Strike: $8.46 $0.00
Disclosure

SEC source: 0001780660-26-000015 · form4.xml · derivative · entry 8

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 85,065

Underlying: Common Stock · 2,009 shares

Expires 2033-03-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

F3 · derivative.exercise_date: 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.

Read SEC document
June 04, 2026 Filed Jun 9, 2026 00:29 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionStock Option (right to buy) · Derivative 5,792 $0.00 Strike: $12.14 $0.00
Disclosure

SEC source: 0001780660-26-000015 · form4.xml · derivative · entry 7

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 171,823

Underlying: Common Stock · 5,792 shares

Expires 2032-03-04

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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 · derivative.exercise_date: The option is fully vested and exercisable.

Read SEC document
June 04, 2026 Filed Jun 9, 2026 00:29 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 SaleCommon Stock 39,741 $17.49 $695,070.09
Disclosure

SEC source: 0001780660-26-000015 · form4.xml · nonDerivative · entry 5

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 250,934

F1 · kind: 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.

Read SEC document
June 04, 2026 Filed Jun 9, 2026 00:29 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionCommon Stock 9,376 $8.12 $76,133.12
Disclosure

SEC source: 0001780660-26-000015 · form4.xml · nonDerivative · entry 4

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 290,675

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

Read SEC document
June 04, 2026 Filed Jun 9, 2026 00:29 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionCommon Stock 2,344 $3.99 $9,352.56
Disclosure

SEC source: 0001780660-26-000015 · form4.xml · nonDerivative · entry 3

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 281,299

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

Read SEC document
June 04, 2026 Filed Jun 9, 2026 00:29 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionCommon Stock 2,009 $8.46 $16,996.14
Disclosure

SEC source: 0001780660-26-000015 · form4.xml · nonDerivative · entry 2

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 278,955

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

Read SEC document
June 04, 2026 Filed Jun 9, 2026 00:29 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionCommon Stock 5,792 $12.14 $70,314.88
Disclosure

SEC source: 0001780660-26-000015 · form4.xml · nonDerivative · entry 1

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 276,946

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

Read SEC document
April 08, 2026 Filed Apr 10, 2026 22:52 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionStock Option (right to buy) · Derivative 2,344 $0.00 Strike: $3.99 $0.00
Disclosure

SEC source: 0001780660-26-000013 · form4.xml · derivative · entry 4

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 88,297

Underlying: Common Stock · 2,344 shares

Expires 2034-03-04

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

F3 · derivative.exercise_date: 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 SEC document
April 08, 2026 Filed Apr 10, 2026 22:52 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 SaleCommon Stock 22,564 $15.07 $340,039.48
Disclosure

SEC source: 0001780660-26-000013 · form4.xml · nonDerivative · entry 2

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 271,154

F1 · kind: 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 · price: The price reported for this transaction is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.99 to $15.25, 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.

Read SEC document
April 08, 2026 Filed Apr 10, 2026 22:52 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionCommon Stock 2,344 $3.99 $9,352.56
Disclosure

SEC source: 0001780660-26-000013 · form4.xml · nonDerivative · entry 1

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 293,718

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

Read SEC document
March 11, 2026 Filed Mar 14, 2026 01:02 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 SaleCommon Stock 30,593 $14.08 $430,749.44
Disclosure

SEC source: 0001780660-26-000011 · form4.xml · nonDerivative · entry 1

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 291,374

F1 · kind: 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 · price: The price reported for this transaction is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.81 to $14.38, 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.

Read SEC document
March 05, 2026 Filed Mar 10, 2026 00:29 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 SaleCommon Stock 38,074 $15.09 $574,536.66
Disclosure

SEC source: 0001780660-26-000007 · form4.xml · nonDerivative · entry 1

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 321,967

F1 · kind: This transaction represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of RSUs. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

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March 04, 2026 Filed Mar 7, 2026 00:35 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 GrantCommon Stock 44,063 $0.00 $0.00
Disclosure

SEC source: 0001780660-26-000005 · form4.xml · nonDerivative · entry 1

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 360,041

Read SEC document
January 12, 2026 Filed Jan 15, 2026 00:42 UTC Adaptive Biotechnologies Corp ADPT · Entity 1126 Exercise / conversionStock Option (right to buy) · Derivative 14,215 $0.00 Strike: $3.99 $0.00
Disclosure

SEC source: 0001780660-26-000003 · primary_doc.xml · derivative · entry 10

LO FRANCIS · CIK 0001780660 · Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 90,641

Underlying: Common Stock · 14,215 shares

Expires 2034-03-04

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

F5 · derivative.exercise_date: 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 SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.