Comparable stake leader
T. Rowe Price Investment Management, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001472012.
Comparable stake leader
T. Rowe Price Investment Management, Inc.
Disclosed value leader
T. Rowe Price Investment Management, Inc.
Comparable rows
50/50
Latest evidence
30 Jun 2026
Ownership snapshot
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.
Quick read
50 of 50 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.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc. |
13D/G
13F
Company
|
17%
|
$472,441,961
19,676,883 shares
|
+$79,542,057 | 30 Jun 2026 |
| FMR LLC |
13F
13D/G
Company
|
15%
from 13D/G
|
$359,966,248
16,987,553 shares
|
— | 30 Jun 2026 |
| Immunome Aggregator, LP |
13D/G
|
6%
|
$40,628,327
4,768,583 shares
|
$0 | 31 Jan 2025 |
| Redmile Group, LLC |
13D/G
13F
Company
|
4.9%
|
$119,960,738
5,558,885 shares
|
-$3,442,010 | 31 Mar 2026 |
| EcoR1 Capital, LLC |
13D/G
|
4.7%
|
$34,756,616
4,079,415 shares
|
$0 | 31 Mar 2025 |
| Sirenia Capital Management LP |
13D/G
|
4.3%
|
$116,023,019
4,832,279 shares
|
-$49,525,931 | 30 Jun 2026 |
| Enavate Sciences GP, LLC |
13F
13D/G
Company
|
4.3%
from 13D/G
|
$76,576,401
3,613,799 shares
|
— | 30 Jun 2026 |
| Janus Henderson Group Ltd. |
13D/G
JANUS HENDERSON GROUP PLC
|
2.2%
|
$16,313,738
1,914,758 shares
|
-$13,130,862 | 31 Mar 2025 |
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
Net insider flow leans to selling over the last 12 months. Net value: -$24,868,247.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 10,500 | 692,810 | $204,260 | $15,879,377 | -$15,675,117 |
| 3-6 | 32,450 | 139,438 | $647,772 | $2,964,780 | -$2,317,009 |
| 6-9 | 68,518 | 383,200 | $1,453,958 | $8,330,080 | -$6,876,121 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Showing 1-20 of 26 reporting-owner rows connected to Immunome Inc.. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Clay B. Siegall | President and CEO, Director | $18,450,217 | +$1,749,660 | +10% | Median | 23 Jul 2026 |
| Michael Rapp | Director | $7,564,292 | Mixed | 02 Oct 2023 | ||
| Philip Wagenheim | Director | $7,044,685 | -$1,335,626 | -16% | Filing P/S | 10 Jun 2026 |
| Isaac Barchas | Director | $2,512,749 | -$18,274,988 | -88% | Filing P/S | 10 Aug 2026 |
| Max Rosett | Chief Financial Officer | $2,146,271 | -$2,518,716 | -54% | Median | 23 Jul 2026 |
| Philip Tsai | Chief Technical Officer | $1,728,044 | +$204,900 | +13% | Median | 23 Jul 2026 |
| Robert Lechleider | Chief Medical Officer | $1,479,167 | -$2,335,993 | -61% | Median | 23 Jul 2026 |
| Jack Higgins | Chief Scientific Officer | $1,340,267 | -$204,238 | -13% | Median | 23 Jul 2026 |
| Sandra G. Stoneman | Chief Legal Officer & Gc | $928,227 | Median | 23 Jul 2026 | ||
| Jean Jacques Bienaime | Director | $836,607 | +$147,610 | +21% | Filing P/S | 10 Jun 2026 |
| Franklyn G. Prendergast | Director | $359,564 | Mixed | 02 Oct 2023 | ||
| Bruce Turner | Chief Strategy Officer | $249,993 | Filing P/S | 09 Aug 2024 | ||
| Bob Lapetina | PAO and VP Finance & Corporate | $71,198 | Mixed | 02 Jan 2024 | ||
| Kinney Horn | Chief Business Officer | $0 | -$2,300,855 | -100% | Mixed | 04 Aug 2026 |
| Phil Noland Roberts | Chief Technology Officer | Mixed | 13 Dec 2023 | |||
| Michael Widlitz | Director | Mixed | 28 May 2021 | |||
| Michael Lefenfeld | Director | Mixed | 08 Jun 2023 | |||
| Dennis H. Giesing | Chief Development Officer | Mixed | 08 Jun 2023 | |||
| Carol Schafer | Director | Mixed | 10 Jun 2026 | |||
| Corleen M. Roche | Chief Financial Officer | Mixed | 08 Jun 2023 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Isaac Barchas | IMNM | Common Stock | Sale | -10.7% | $301,058 | $27.25 | -11,048 | 92,211 | 12 Aug 2026 | Direct |
| Isaac Barchas | IMNM | Common Stock | Sale | -100% | $1,633,893 | $26.23 | -62,291 | 0 | 11 Aug 2026 | See footnote |
| Isaac Barchas | IMNM | Common Stock | Sale | -14% | $263,959 | $26.07 | -10,125 | 62,291 | 10 Aug 2026 | See footnote |
| Isaac Barchas | IMNM | Common Stock | Sale | -17.4% | $397,363 | $26.06 | -15,248 | 72,416 | 07 Aug 2026 | See footnote |
| Isaac Barchas | IMNM | Common Stock | Sale | -19.2% | $543,090 | $26.06 | -20,840 | 87,664 | 06 Aug 2026 | See footnote |
| Kinney Horn | IMNM | Common Stock | Sale | -100% | $2,273,555 | $25.09 | -90,616 | 0 | 04 Aug 2026 | Direct |
| Kinney Horn | IMNM | Common Stock | Options Exercise | 90,616 | 90,616 | 04 Aug 2026 | Direct | |||
| Kinney Horn | IMNM | Employee Stock Option (right to buy) | Options Exercise | -53.6% | -90,616 | 78,542 | 04 Aug 2026 | Direct | ||
| Kinney Horn | IMNM | Common Stock | Award | 31,250 | 31,250 | 23 Jul 2026 | Direct | |||
| Kinney Horn | IMNM | Employee Stock Option (right to buy) | Award | 62,500 | 62,500 | 23 Jul 2026 | Direct | |||
| Philip Tsai | IMNM | Common Stock | Award | 88.3% | 38,250 | 81,550 | 23 Jul 2026 | Direct | ||
| Philip Tsai | IMNM | Employee Stock Option (right to buy) | Award | 76,500 | 76,500 | 23 Jul 2026 | Direct | |||
| Sandra G. Stoneman | IMNM | Common Stock | Award | 688.6% | 38,250 | 43,805 | 23 Jul 2026 | Direct | ||
| Sandra G. Stoneman | IMNM | Employee Stock Option (right to buy) | Award | 76,500 | 76,500 | 23 Jul 2026 | Direct | |||
| Jack Higgins | IMNM | Common Stock | Award | 173.9% | 38,250 | 60,250 | 23 Jul 2026 | Direct | ||
| Jack Higgins | IMNM | Employee Stock Option (right to buy) | Award | 76,500 | 76,500 | 23 Jul 2026 | Direct | |||
| Max Rosett | IMNM | Common Stock | Award | 87.4% | 47,250 | 101,287 | 23 Jul 2026 | Direct | ||
| Max Rosett | IMNM | Employee Stock Option (right to buy) | Award | 94,500 | 94,500 | 23 Jul 2026 | Direct | |||
| Robert Lechleider | IMNM | Common Stock | Award | 341.7% | 54,000 | 69,805 | 23 Jul 2026 | Direct | ||
| Robert Lechleider | IMNM | Employee Stock Option (right to buy) | Award | 108,000 | 108,000 | 23 Jul 2026 | Direct | |||
| Clay B. Siegall | IMNM | Common Stock | Award | 26.1% | 180,000 | 870,704 | 23 Jul 2026 | Direct | ||
| Clay B. Siegall | IMNM | Employee Stock Option (right to buy) | Award | 360,000 | 360,000 | 23 Jul 2026 | Direct | |||
| Kinney Horn | IMNM | Common Stock | Sale | -100% | $27,300 | $25.00 | -1,092 | 0 | 07 Jul 2026 | Direct |
| Kinney Horn | IMNM | Common Stock | Options Exercise | 1,092 | 1,092 | 07 Jul 2026 | Direct | |||
| Kinney Horn | IMNM | Employee Stock Option (right to buy) | Options Exercise | -0.84% | -1,092 | 128,908 | 07 Jul 2026 | Direct | ||
| Isaac Barchas | IMNM | Common Stock | Sale | -13.5% | $409,125 | $24.20 | -16,906 | 108,504 | 07 Jul 2026 | See footnote |
| Isaac Barchas | IMNM | Common Stock | Sale | -39.8% | $2,003,396 | $24.11 | -83,094 | 125,410 | 06 Jul 2026 | See footnote |
| Robert Lechleider | IMNM | Common Stock | Sale | -77.7% | $1,244,331 | $22.62 | -55,000 | 15,805 | 02 Jul 2026 | Direct |
| Robert Lechleider | IMNM | Common Stock | Options Exercise | 348% | 55,000 | 70,805 | 02 Jul 2026 | Direct | ||
| Robert Lechleider | IMNM | Employee Stock Option (right to buy) | Options Exercise | -15.9% | -55,000 | 290,000 | 02 Jul 2026 | Direct | ||
| Isaac Barchas | IMNM | Common Stock | Sale | -32.4% | $2,258,848 | $22.59 | -100,000 | 208,504 | 02 Jul 2026 | See footnote |
| Isaac Barchas | IMNM | Common Stock | Sale | -24.7% | $2,134,176 | $21.12 | -101,050 | 308,504 | 30 Jun 2026 | See footnotes |
| Robert Lechleider | IMNM | Common Stock | Sale | -77.7% | $1,091,662 | $19.85 | -55,000 | 15,805 | 25 Jun 2026 | Direct |
| Robert Lechleider | IMNM | Common Stock | Options Exercise | 348% | 55,000 | 70,805 | 25 Jun 2026 | Direct | ||
| Robert Lechleider | IMNM | Employee Stock Option (right to buy) | Options Exercise | -13.8% | -55,000 | 345,000 | 25 Jun 2026 | Direct | ||
| Max Rosett | IMNM | Common Stock | Sale | -52.6% | $1,093,800 | $18.23 | -60,000 | 54,037 | 15 Jun 2026 | Direct |
| Max Rosett | IMNM | Common Stock | Options Exercise | 111% | 60,000 | 114,037 | 15 Jun 2026 | Direct | ||
| Max Rosett | IMNM | Stock Option (right to buy) | Options Exercise | -100% | -60,000 | 0 | 15 Jun 2026 | Direct | ||
| Sandra M. Swain | IMNM | Director Stock Option (right to buy)` | Award | 9,897 | 9,897 | 10 Jun 2026 | Direct | |||
| Philip Wagenheim | IMNM | Director Stock Option (right to buy) | Award | 9,897 | 9,897 | 10 Jun 2026 | Direct | |||
| Jean Jacques Bienaime | IMNM | Director Stock Option (right to buy) | Award | 9,897 | 9,897 | 10 Jun 2026 | Direct | |||
| James P. Boylan | IMNM | Director Stock Option (right to buy) | Award | 9,897 | 9,897 | 10 Jun 2026 | Direct | |||
| Isaac Barchas | IMNM | Director Stock Option (right to buy) | Award | 9,897 | 9,897 | 10 Jun 2026 | Direct | |||
| Carol Schafer | IMNM | Director Stock Option (right to buy) | Award | 9,897 | 9,897 | 10 Jun 2026 | Direct | |||
| Jean Jacques Bienaime | IMNM | Common Stock | Purchase | 31.9% | $204,260 | $19.45 | 10,500 | 43,415 | 05 Jun 2026 | Direct |
| Jean Jacques Bienaime | IMNM | Common Stock | Sale | -24.2% | $203,820 | $19.41 | -10,500 | 32,915 | 05 Jun 2026 | Direct |
| Jean Jacques Bienaime | IMNM | Common Stock | Purchase | 13% | $103,500 | $20.70 | 5,000 | 43,415 | 15 May 2026 | Direct |
| Jack Higgins | IMNM | Common Stock | Sale | -30% | $204,238 | $21.64 | -9,438 | 22,000 | 02 Apr 2026 | Direct |
| Max Rosett | IMNM | Common Stock | Sale | -54.6% | $1,424,916 | $21.92 | -65,000 | 54,037 | 02 Apr 2026 | Direct |
| Max Rosett | IMNM | Common Stock | Options Exercise | 150.7% | 71,561 | 119,037 | 02 Apr 2026 | Direct |