Adaptive Biotechnologies Corp: Amendment No. 4 to a Schedule 13G/A reports ownership details from Viking Global entities and removes David C. Ott as a reporting person after his retirement effective March 31, 2026.
Viking Global Investors (VGI) is reported to beneficially own 29,993,708 shares of Common Stock, equal to 18.8% of the class as of March 31, 2026. Related entities include Viking Global Performance LLC (22,002,189 shares, 13.8%), Viking Global Equities Master Ltd. (21,562,143 shares, 13.5%), Viking Long Fund Master Ltd. (7,991,519 shares, 5.0%), and Viking Global Equities II (440,046 shares, 0.3%). O. Andreas Halvorsen and Rose S. Shabet are each reported as beneficial owners of 29,993,708 shares (18.8%).
Positive
None.
Negative
None.
Insights
Viking's amendment formalizes ownership and an internal personnel change without a change in share counts.
Amendment No. 4 records the retirement of David C. Ott effective March 31, 2026 and removes him as a reporting person. The filing attributes shared voting and dispositive power across Viking entities for the same aggregate positions, consistent with Rule 13d-3 aggregation.
Because the reported stakes exceed 5% for multiple entities, future disclosures triggered by any material change in holdings or control would follow SEC reporting rules. The filing itself is declarative; it does not state any transaction, transfer of shares, or change in economic ownership.
Key Figures
VGI beneficial ownership:29,993,708 sharesOutstanding shares:159,697,221 sharesVGI percent of class:18.8%+4 more
7 metrics
VGI beneficial ownership29,993,708 sharesreported beneficially owned by VGI
Outstanding shares159,697,221 sharesshares outstanding as of March 31, 2026
VGI percent of class18.8%percentage of class as of March 31, 2026
VGP beneficial ownership22,002,189 sharesreported beneficially owned by VGP
VGEM beneficial ownership21,562,143 sharesreported beneficially owned by VGEM
VLFM/VLFGP beneficial ownership7,991,519 sharesreported beneficially owned by VLFM/VLFGP
VGEII beneficial ownership440,046 sharesreported beneficially owned by VGEII
"VGI beneficially owns 29,993,708 shares of Common Stock"
Beneficially own means having the economic rights and risks of a security—such as the right to receive dividends, sell the shares, or profit from price changes—whether or not your name appears on the official share register. Think of it like renting a car: you use it and reap the benefits even if the title lists someone else. Investors care because beneficial ownership determines who truly controls value, must be disclosed under securities rules, and can signal potential influence or trading activity that affects a stock’s price.
shared dispositive powerregulatory
"Shared Dispositive Power 29,993,708.00"
Rule 13d-3regulatory
"Based on Rule 13d-3 of the Securities Exchange Act of 1934"
Rule 13d-3 defines who is treated as the beneficial owner of a company’s shares for U.S. securities disclosure rules — essentially anyone who has the power to vote or direct how shares are voted, or the power to buy or sell them, even if they don’t hold the certificates. For investors this matters because crossing certain ownership thresholds triggers public filing and disclosure obligations and signals potential control or influence, much like having the keys to a car implies you can drive it even if it’s registered to someone else.
Schedule 13G/Aregulatory
"Amendment No. 4 to a Schedule 13G/A is being filed"
A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 4)
Adaptive Biotechnologies Corp
(Name of Issuer)
Common Stock, par value $0.0001 per share
(Title of Class of Securities)
00650F109
(CUSIP Number)
03/31/2026
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)
schemaVersion:
SCHEDULE 13G
CUSIP Number(s):
00650F109
1
Names of Reporting Persons
VIKING GLOBAL INVESTORS LP
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
29,993,708.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
29,993,708.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
29,993,708.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
18.8 %
12
Type of Reporting Person (See Instructions)
PN
Comment for Type of Reporting Person: See Item 4
SCHEDULE 13G
CUSIP Number(s):
00650F109
1
Names of Reporting Persons
VIKING GLOBAL PERFORMANCE LLC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
22,002,189.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
22,002,189.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
22,002,189.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
13.8 %
12
Type of Reporting Person (See Instructions)
OO
Comment for Type of Reporting Person: See Item 4
SCHEDULE 13G
CUSIP Number(s):
00650F109
1
Names of Reporting Persons
Viking Global Equities II LP
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
440,046.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
440,046.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
440,046.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
0.3 %
12
Type of Reporting Person (See Instructions)
PN
Comment for Type of Reporting Person: See Item 4
SCHEDULE 13G
CUSIP Number(s):
00650F109
1
Names of Reporting Persons
Viking Global Equities Master Ltd.
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
CAYMAN ISLANDS
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
21,562,143.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
21,562,143.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
21,562,143.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
13.5 %
12
Type of Reporting Person (See Instructions)
CO
Comment for Type of Reporting Person: See Item 4
SCHEDULE 13G
CUSIP Number(s):
00650F109
1
Names of Reporting Persons
Viking Long Fund GP LLC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
7,991,519.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
7,991,519.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
7,991,519.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
5 %
12
Type of Reporting Person (See Instructions)
OO
Comment for Type of Reporting Person: See Item 4
SCHEDULE 13G
CUSIP Number(s):
00650F109
1
Names of Reporting Persons
Viking Long Fund Master Ltd.
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
CAYMAN ISLANDS
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
7,991,519.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
7,991,519.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
7,991,519.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
5 %
12
Type of Reporting Person (See Instructions)
CO
Comment for Type of Reporting Person: See Item 4
SCHEDULE 13G
CUSIP Number(s):
00650F109
1
Names of Reporting Persons
HALVORSEN OLE ANDREAS
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
NORWAY
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
29,993,708.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
29,993,708.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
29,993,708.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
18.8 %
12
Type of Reporting Person (See Instructions)
IN
Comment for Type of Reporting Person: See Item 4
SCHEDULE 13G
CUSIP Number(s):
00650F109
1
Names of Reporting Persons
Shabet Rose Sharon
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
UNITED STATES
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
29,993,708.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
29,993,708.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
29,993,708.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
18.8 %
12
Type of Reporting Person (See Instructions)
IN
Comment for Type of Reporting Person: See Item 4
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Adaptive Biotechnologies Corp
(b)
Address of issuer's principal executive offices:
1165 Eastlake Avenue East, Seattle, Washington 98109
Item 2.
(a)
Name of person filing:
Viking Global Investors LP ("VGI"),
Viking Global Performance LLC ("VGP"),
Viking Global Equities II LP ("VGEII"),
Viking Global Equities Master Ltd. ("VGEM"),
Viking Long Fund GP LLC ("VLFGP"),
Viking Long Fund Master Ltd. ("VLFM"),
O. Andreas Halvorsen and Rose S. Shabet (collectively, the "Reporting Persons")
Effective March 31, 2026, David C. Ott ("Mr. Ott") retired from his roles as Advisory Director of VGI and Executive Committee Member of each of Viking Global Partners LLC (the general partner of VGI), VGP and VLFGP. Accordingly, this Amendment No. 4 is being filed to remove Mr. Ott as a Reporting Person from this Schedule 13G, as Mr. Ott is no longer a beneficial owner of any of the shares of Common Stock reported herein.
(b)
Address or principal business office or, if none, residence:
The business address of each of the Reporting Persons is: 600 Washington Boulevard, Floor 11, Stamford, Connecticut 06901.
(c)
Citizenship:
VGI and VGEII are Delaware limited partnerships; VGP and VLFGP are Delaware limited liability companies; VGEM and VLFM are Cayman Islands exempted companies; O. Andreas Halvorsen is a citizen of Norway; and Rose S. Shabet is a citizen of the United States.
(d)
Title of class of securities:
Common Stock, par value $0.0001 per share
(e)
CUSIP No.:
00650F109
Item 3.
If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
(k)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.
Ownership
(a)
Amount beneficially owned:
VGI: 29,993,708
VGI provides managerial services to VGEII, VGEM and VLFM. VGI has the authority to dispose of and vote the shares of Common Stock directly owned by VGEII, VGEM and VLFM. VGI does not directly own any shares of Common Stock.
Based on Rule 13d-3 of the Securities Exchange Act of 1934, as amended (the "Act"), VGI may be deemed to beneficially own the shares of Common Stock directly held by VGEII, VGEM and VLFM.
VGI beneficially owns 29,993,708 shares of Common Stock consisting of (i) 440,046 shares of Common Stock directly and beneficially owned by VGEII, (ii) 21,562,143 shares of Common Stock directly and beneficially owned by VGEM and (iii) 7,991,519 shares of Common Stock directly and beneficially owned by VLFM.
VGP: 22,002,189
VGP, as the general partner of VGEII, has the authority to dispose of and vote the shares of Common Stock directly owned by VGEII. VGP serves as investment manager to VGEM and has the authority to dispose of and vote the shares of Common Stock directly owned by VGEM. VGP does not directly own any shares of Common Stock.
Based on Rule 13d-3 of the Act, VGP may be deemed to beneficially own the shares of Common Stock directly held by VGEII and VGEM.
VGP beneficially owns 22,002,189 of Common Stock consisting of (i) 440,046 shares of Common Stock directly and beneficially owned by VGEII and (ii) 21,562,143 shares of Common Stock directly and beneficially owned by VGEM.
VGEII: 440,046
VGEII has the authority to dispose of and vote the shares of Common Stock directly owned by it, which power may be exercised by its general partner, VGP, and by VGI, an affiliate of VGP, which provides managerial services to VGEII.
VGEM: 21,562,143
VGEM has the authority to dispose of and vote the shares of Common Stock directly owned by it, which power may be exercised by its investment manager, VGP, and by VGI, an affiliate of VGP, which provides managerial services to VGEM. Viking Global Equities LP (a Delaware limited partnership) and Viking Global Equities III Ltd. (a Cayman Islands exempted company), through its investment in VGE III Portfolio Ltd. (a Cayman Islands exempted company), invest substantially all of their assets through VGEM.
VLFGP: 7,991,519
VLFGP serves as the investment manager of VLFM and has the authority to dispose of and vote the shares of Common Stock directly owned by VLFM. VLFGP does not directly own any shares of Common Stock.
Based on Rule 13d-3 of the Act, VLFGP may be deemed to beneficially own the shares of Common Stock directly held by VLFM.
VLFM: 7,991,519
VLFM has the authority to dispose of and vote the shares of Common Stock directly owned by it, which power may be exercised by its investment manager, VLFGP, and by VGI, an affiliate of VLFGP, which provides managerial services to VLFM. Viking Long Fund LP (a Delaware limited partnership) and Viking Long Fund III Ltd. (a Cayman Islands exempted company), through its investment in Viking Long Fund Intermediate L.P. (a Cayman Islands limited partnership), invest substantially all of their assets through VLFM.
O. Andreas Halvorsen and Rose S. Shabet: 29,993,708
Mr. Halvorsen and Ms. Shabet, as Executive Committee Members of Viking Global Partners LLC (general partner of VGI), VGP and VLFGP, have shared authority to dispose of and vote the shares of Common Stock beneficially owned by VGI, VGP and VLFGP. Neither Mr. Halvorsen nor Ms. Shabet directly owns any shares of Common Stock.
Based on Rule 13d-3 of the Act, each may be deemed to beneficially own the shares of Common Stock directly held by VGEII, VGEM and VLFM.
Mr. Halvorsen and Ms. Shabet each beneficially own 29,993,708 shares of Common Stock, consisting of (i) 440,046 shares of Common Stock directly and beneficially owned by VGEII, (ii) 21,562,143 shares of Common Stock directly and beneficially owned by VGEM and (iii) 7,991,519 shares of Common Stock directly and beneficially owned by VLFM.
(b)
Percent of class:
The percentages set forth herein are based on 159,697,221 shares of Common Stock outstanding as of March 31, 2026, as reported in the Issuer's quarterly report on Form 10-Q, filed with the Securities and Exchange Commission (the "Commission") on May 5, 2026.
VGI: 18.8%
VGP: 13.8%
VGEII: 0.3%
VGEM: 13.5%
VLFGP: 5.0%
VLFM: 5.0%
O. Andreas Halvorsen and Rose S. Shabet: 18.8%
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
VGI: 0
VGP: 0
VGEII: 0
VGEM: 0
VLFGP: 0
VLFM: 0
O. Andreas Halvorsen and Rose S. Shabet: 0
(ii) Shared power to vote or to direct the vote:
VGI: 29,993,708
VGP: 22,002,189
VGEII: 440,046
VGEM: 21,562,143
VLFGP: 7,991,519
VLFM: 7,991,519
O. Andreas Halvorsen and Rose S. Shabet: 29,993,708
(iii) Sole power to dispose or to direct the disposition of:
VGI: 0
VGP: 0
VGEII: 0
VGEM: 0
VLFGP: 0
VLFM: 0
O. Andreas Halvorsen and Rose S. Shabet: 0
(iv) Shared power to dispose or to direct the disposition of:
VGI: 29,993,708
VGP: 22,002,189
VGEII: 440,046
VGEM: 21,562,143
VLFGP: 7,991,519
VLFM: 7,991,519
O. Andreas Halvorsen and Rose S. Shabet: 29,993,708
Item 5.
Ownership of 5 Percent or Less of a Class.
Not Applicable
Item 6.
Ownership of more than 5 Percent on Behalf of Another Person.
If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.
The response to Item 4 is incorporated by reference herein.
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
Not Applicable
Item 8.
Identification and Classification of Members of the Group.
Not Applicable
Item 9.
Notice of Dissolution of Group.
Not Applicable
Item 10.
Certifications:
Not Applicable
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
VIKING GLOBAL INVESTORS LP
Signature:
/s/ Scott M. Hendler
Name/Title:
Scott M. Hendler on behalf of Viking Global Investors LP (1)(2)
Date:
05/15/2026
VIKING GLOBAL PERFORMANCE LLC
Signature:
/s/ Scott M. Hendler
Name/Title:
Scott M. Hendler on behalf of Viking Global Performance LLC (1)(2)
Date:
05/15/2026
Viking Global Equities II LP
Signature:
/s/ Scott M. Hendler
Name/Title:
Scott M. Hendler on behalf of Viking Global Equities II LP (1)(2)
Date:
05/15/2026
Viking Global Equities Master Ltd.
Signature:
/s/ Scott M. Hendler
Name/Title:
Scott M. Hendler on behalf of Viking Global Equities Master Ltd. (1)(2)
Date:
05/15/2026
Viking Long Fund GP LLC
Signature:
/s/ Scott M. Hendler
Name/Title:
Scott M. Hendler on behalf of Viking Long Fund GP LLC (1)(2)
Date:
05/15/2026
Viking Long Fund Master Ltd.
Signature:
/s/ Scott M. Hendler
Name/Title:
Scott M. Hendler on behalf of Viking Long Fund Master Ltd. (1)(2)
Date:
05/15/2026
HALVORSEN OLE ANDREAS
Signature:
/s/ Scott M. Hendler
Name/Title:
Scott M. Hendler on behalf of O. Andreas Halvorsen (1)
Date:
05/15/2026
Shabet Rose Sharon
Signature:
/s/ Scott M. Hendler
Name/Title:
Scott M. Hendler on behalf of Rose S. Shabet (2)
Date:
05/15/2026
Comments accompanying signature: (1) Scott M. Hendler is signing on behalf of O. Andreas Halvorsen, individually and as an Executive Committee Member of VIKING GLOBAL PARTNERS LLC, on behalf of VIKING GLOBAL INVESTORS LP, and as an Executive Committee Member of VIKING GLOBAL PERFORMANCE LLC, on behalf of itself and VIKING GLOBAL EQUITIES II LP and VIKING GLOBAL EQUITIES MASTER LTD., and as an Executive Committee Member of VIKING LONG FUND GP LLC, on behalf of itself and VIKING LONG FUND MASTER LTD, pursuant to an authorization and designation letter dated February 9, 2021, which was previously filed with the Commission as an exhibit to a Form 13G filed by Mr. Halvorsen on February 12, 2021 (SEC File No. 005-49737).
(2) Scott M. Hendler is signing on behalf of Rose S. Shabet, individually and as an Executive Committee Member of VIKING GLOBAL PARTNERS LLC, on behalf of VIKING GLOBAL INVESTORS LP, and as an Executive Committee Member of VIKING GLOBAL PERFORMANCE LLC, on behalf of itself and VIKING GLOBAL EQUITIES II LP and VIKING GLOBAL EQUITIES MASTER LTD., and as an Executive Committee Member of VIKING LONG FUND GP LLC, on behalf of itself and VIKING LONG FUND MASTER LTD, pursuant to an authorization and designation letter dated February 9, 2021, which was previously filed with the Commission as an exhibit to a Form 13G filed by Ms. Shabet on February 12, 2021 (SEC File No. 005-49737).
Who filed the Schedule 13G/A for Adaptive Biotechnologies (ADPT)?
Viking Global entities filed the amendment. It was filed on behalf of Viking Global Investors LP, Viking Global Performance LLC, Viking Global Equities II LP, Viking Global Equities Master Ltd., Viking Long Fund GP LLC, Viking Long Fund Master Ltd., O. Andreas Halvorsen and Rose S. Shabet.
How many Adaptive Biotechnologies shares does Viking Global Investors report owning?
Viking Global Investors reports beneficial ownership of 29,993,708 shares, representing 18.8% of the class based on 159,697,221 shares outstanding as of March 31, 2026 as cited in the filing's source 10-Q.
What change does Amendment No. 4 make concerning David C. Ott?
The amendment states that David C. Ott retired effective March 31, 2026 and is removed as a reporting person because he is no longer a beneficial owner of any reported shares.
What ownership percentages are reported for other Viking entities in ADPT?
Reported percentages are: Viking Global Performance LLC 13.8%, Viking Global Equities Master Ltd. 13.5%, Viking Long Fund Master Ltd. 5.0%, Viking Global Equities II 0.3%, based on the March 31, 2026 share count in the filing.
Does the filing report any sale or transfer of Adaptive Biotechnologies shares?
No. The amendment documents beneficial ownership and the removal of a reporting person due to retirement; it does not disclose any sales, transfers, or other transactions in the reported excerpt.
