SEC ownership of MiNK Therapeutics, Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001840229.

Comparable stake leader

AGENUS INC

Disclosed value leader

AGENUS INC

Comparable rows

0/41

Latest evidence

11 Oct 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 1 signal
Latest parsed ownership date
11 Oct 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001840229
Issuer location
New York, NY

Ownership snapshot

Top shareholders of MiNK Therapeutics, Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
AGENUS INC
Disclosed value leader
AGENUS INC
Comparable rows
0/41
Latest evidence
11 Oct 2026
3/4/5 13F Highest disclosed value: $22,643,778 41 rows are not safely comparable across share classes. Showing 1-8 of 41 holder rows.

Quick read

AGENUS INC has the largest disclosed position value at $22.64M.

0 of 41 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens AGENUS INC's linked filing trail.
Disclosed position value Top 5
AGENUS INC $22.64M
Garo H. Armen $2.05M
VANGUARD CAPITAL MANAGEMENT LLC $802.6K
Jennifer Buell $783.5K
DnB Asset Management AS $644.6K

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-8 of 41 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
AGENUS INC
3/4/5
10%+ Owner
—
denominator unverified
$22,643,778
21,772,863 shares
— 12 Oct 2023
Garo H. Armen
3/4/5
Director
—
denominator unverified
$2,045,056
1,966,400 shares
— 05 May 2023
VANGUARD CAPITAL MANAGEMENT LLC
13F
Company
13F
—
denominator unverified
$802,635
68,660 shares
— 30 Jun 2026
Jennifer Buell
3/4/5
Chief Executive Officer, Director
—
mixed-class rows
$783,499
170,577 shares
mixed-class rows
-$73,265 11 Oct 2026
DnB Asset Management AS
13F
Company
13F
—
denominator unverified
$644,610
55,142 shares
— 30 Jun 2026
Brian Corvese
3/4/5
Director
—
mixed-class rows
$640,261
60,165 shares
mixed-class rows
— 01 Sep 2026
Ulf Wiinberg
3/4/5
Director
—
mixed-class rows
$605,062
57,154 shares
mixed-class rows
— 01 Sep 2026
Peter Behner
3/4/5
Director
—
mixed-class rows
$285,282
29,799 shares
mixed-class rows
— 01 Sep 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$119,884.

Buys
$0
Insiders: 0
Sells
$119,884
Insiders: 2
Net
-$119,884
Shares: -10,438
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 10,438
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 6,938 $0 $73,265 -$73,265
3-6 0 1,500 $0 $19,141 -$19,141
6-9 0 2,000 $0 $27,478 -$27,478
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-15 of 15 reporting-owner rows connected to MiNK Therapeutics, Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
15
Largest Forms 3/4/5 holder
AGENUS INC
Net 12M change
-$119,884
Latest report
11 Oct 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
AGENUS INC 10%+ Owner $22,643,778 Mixed 12 Oct 2023
Garo H. Armen Director $2,045,056 Mixed 05 May 2023
Jennifer Buell Chief Executive Officer, Director $783,499 -$73,265 -8.6% Filing P/S 11 Oct 2026
Brian Corvese Director $640,261 Mixed 01 Sep 2026
Ulf Wiinberg Director $605,062 Mixed 01 Sep 2026
Peter Behner Director $285,282 Mixed 01 Sep 2026
Barbara Ryan Director $275,778 -$46,619 -14% Mixed 01 Sep 2026
Robert Peter Kadlec Director $212,107 Mixed 01 Dec 2025
Christine M. Klaskin Treasurer $57,886 Mixed 13 Oct 2021
John Bradley Holcomb Director $54,837 Mixed 01 Sep 2026
John Baldoni Director $42,841 Mixed 01 Sep 2023
Melissa Orilall Principal Financial Officer $2,282 Mixed 13 Mar 2026
Austin Charette Principal Accounting Officer $441 Mixed 13 Mar 2026
Marc Antonius van Dijk Chief Scientific Officer Mixed 16 Jan 2024
Walter Flamenbaum MD Director Mixed 13 Oct 2021

Recent insider transactions for MiNK Therapeutics, Inc.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Jennifer Buell INKT Common Stock Sale -8.55% $73,265 $10.56 -6,938 74,195 12 Oct 2026 Direct
Jennifer Buell INKT Common Stock Options Exercise 40% 23,191 81,133 11 Oct 2026 Direct
Jennifer Buell INKT Restricted Stock Units Options Exercise -33.3% -23,191 46,382 11 Oct 2026 Direct
Ulf Wiinberg INKT Common Stock Award 5.65% 1,279 23,929 01 Sep 2026 Direct
John Bradley Holcomb INKT Common Stock Award 35.7% 1,233 4,691 01 Sep 2026 Direct
Peter Behner INKT Common Stock Award 6.48% 1,485 24,404 01 Sep 2026 Direct
Barbara Ryan INKT Common Stock Award 7.38% 1,622 23,591 01 Sep 2026 Direct
Brian Corvese INKT Common Stock Award 3.07% 1,633 54,770 01 Sep 2026 Direct
Barbara Ryan INKT Common Stock Sale -6.39% $19,141 $12.76 -1,500 21,969 04 Jun 2026 Direct
John Bradley Holcomb INKT Common Stock Award 46.1% 1,091 3,458 01 Jun 2026 Direct
Barbara Ryan INKT Common Stock Award 6.51% 1,434 23,469 01 Jun 2026 Direct
Brian Corvese INKT Common Stock Award 2.79% 1,444 53,137 01 Jun 2026 Direct
Peter Behner INKT Common Stock Award 6.08% 1,313 22,919 01 Jun 2026 Direct
Ulf Wiinberg INKT Common Stock Award 5.26% 1,131 22,650 01 Jun 2026 Direct
Barbara Ryan INKT Common Stock Sale -5.99% $20,017 $15.40 -1,300 20,406 10 Mar 2026 Direct
Barbara Ryan INKT Common Stock Sale -0.91% $2,034 $10.17 -200 21,706 09 Mar 2026 Direct
John Bradley Holcomb INKT Common Stock Award 109.8% 1,239 2,367 02 Mar 2026 Direct
Barbara Ryan INKT Common Stock Award 7.98% 1,629 22,035 02 Mar 2026 Direct
Brian Corvese INKT Common Stock Award 3.28% 1,640 51,693 02 Mar 2026 Direct
Peter Behner INKT Common Stock Award 7.41% 1,491 21,606 02 Mar 2026 Direct
Ulf Wiinberg INKT Common Stock Award 6.35% 1,285 21,519 02 Mar 2026 Direct
Barbara Ryan INKT Common Stock Sale -0.45% $1,083 $10.83 -100 21,906 02 Mar 2026 Direct
Barbara Ryan INKT Common Stock Sale -1.79% $4,343 $10.86 -400 22,006 27 Feb 2026 Direct
Jennifer Buell INKT Common Stock Tax liability -14.8% -10,024 57,942 02 Jan 2026 Direct
Ulf Wiinberg INKT Stock Option (Right to Buy) Award 5,395 5,395 02 Jan 2026 Direct
Barbara Ryan INKT Stock Option (Right to Buy) Award 5,395 5,395 02 Jan 2026 Direct
Brian Corvese INKT Stock Option (Right to Buy) Award 5,395 5,395 02 Jan 2026 Direct
Peter Behner INKT Stock Option (Right to Buy) Award 5,395 5,395 02 Jan 2026 Direct
Brian Corvese INKT Common Stock Award 3.33% 1,612 50,053 01 Dec 2025 Direct
Peter Behner INKT Common Stock Award 7.86% 1,466 20,115 01 Dec 2025 Direct
Barbara Ryan INKT Common Stock Award 7.7% 1,601 22,406 01 Dec 2025 Direct
John Bradley Holcomb INKT Common Stock Award 1,128 1,128 01 Dec 2025 Direct
Robert Peter Kadlec INKT Common Stock Award 6.8% 1,218 19,126 01 Dec 2025 Direct
Ulf Wiinberg INKT Common Stock Award 6.66% 1,263 20,234 01 Dec 2025 Direct
* marks a reported price that did not pass the local price check.
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