Comparable stake leader
James E. Flynn
SEC ownership of Nuvalent, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001861560.
Disclosed value leader
James E. Flynn
Comparable rows
50/50
Latest evidence
16 Jun 2026
- Public ticker
- NUVL on Nasdaq
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
James E. Flynn
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
James E. Flynn
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
16 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001861560
- Issuer location
- Cambridge, MA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Nuvalent, 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
James E. Flynn
Disclosed value leader
James E. Flynn
Comparable rows
50/50
Latest evidence
16 Jun 2026
13D/G
3/4/5
13F
Lead comparable stake: 24%
13D/G row: James E. Flynn
Showing 1-8 of 50 holder rows.
Quick read
James E. Flynn leads the comparable SEC ownership view at 24%.
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.
Open SEC evidence
Opens James E. Flynn's linked filing trail.
Comparable ownership
Top 5
James E. Flynn
24%
FMR LLC
13%
VANGUARD GROUP INC
6.8%
BlackRock, Inc.
5%
DEERFIELD MANAGEMENT COMPANY, L.P.
23%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| James E. Flynn |
13D/G
3/4/5
Deerfield Management Company, L.P. · Director, Director by Deputization, 10%+ Owner
|
24%
|
$2,238,152,303
22,852,280 shares
|
-$71,496,004 | 31 Dec 2025 |
| FMR LLC |
13D/G
13F
Company
|
13%
|
$959,541,420
9,252,159 shares
|
$0 | 31 Mar 2026 |
| VANGUARD GROUP INC |
13D/G
The Vanguard Group
|
6.8%
|
$330,650,007
4,499,864 shares
|
$0 | 31 Dec 2024 |
| BlackRock, Inc. |
13F
13D/G
Company
|
5%
from 13D/G
|
$494,299,250
4,824,785 shares
|
— | 31 Mar 2026 |
| DEERFIELD MANAGEMENT COMPANY, L.P. |
3/4/5
13F
Director, Director by Deputization, 10%+ Owner · Company
|
23%
|
$1,767,456,539
17,251,894 shares
|
— | 16 Jun 2026 |
| Paradigm Biocapital Advisors LP |
13F
Company
|
7.3%
|
$545,488,161
5,324,433 shares
|
— | 31 Mar 2026 |
| JPMORGAN CHASE & CO |
13F
Company
|
4.2%
|
$298,705,153
3,088,349 shares
|
— | 31 Mar 2026 |
| RA CAPITAL MANAGEMENT, L.P. |
13F
Company
|
3.5%
|
$259,623,155
2,534,145 shares
|
— | 31 Mar 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: -$151,228,167.
Buys
$0
Insiders: 0
Sells
$151,228,167
Insiders: 8
Net
-$151,228,167
Shares: -1,584,216
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 1,584,216
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 168,953 | $0 | $17,410,636 | -$17,410,636 |
| 3-6 | 0 | 205,960 | $0 | $20,519,677 | -$20,519,677 |
| 6-9 | 0 | 1,031,845 | $0 | $98,884,270 | -$98,884,270 |
| 9-12 | 0 | 177,458 | $0 | $14,413,583 | -$14,413,583 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 24 reporting-owner rows connected to Nuvalent, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
24
Largest Forms 3/4/5 holder
James E. Flynn
Net 12M change
-$151,228,166
Latest report
29 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| James E. Flynn | Director, Director by Deputization, 10%+ Owner | $1,822,485,539 | -$70,874,975 | -3.7% | Mixed | 16 Jun 2026 |
| DEERFIELD MANAGEMENT COMPANY, L.P. | Director, Director by Deputization, 10%+ Owner | $1,767,456,539 | Median | 16 Jun 2026 | ||
| Matthew Shair | Director | $174,338,383 | -$6,835,738 | -3.8% | Filing P/S | 24 Nov 2025 |
| Andrew A. F. Hack | Director | $127,579,408 | Mixed | 11 Dec 2024 | ||
| Wellington Biomedical Innovation Master Investors (Cayman) I L.P. | 10%+ Owner | $68,348,670 | Mixed | 02 Aug 2021 | ||
| DEERFIELD PARTNERS, L.P. | Director, Director by Deputization, 10%+ Owner | $49,491,000 | Mixed | 03 Nov 2022 | ||
| James Richard Porter | President and CEO, Director | $29,118,904 | -$23,297,579 | -44% | Filing P/S | 08 Jun 2026 |
| Alexandra Balcom | Chief Financial Officer | $8,881,746 | -$18,884,287 | -68% | Filing P/S | 01 Jun 2026 |
| Christopher Durant Turner | Chief Medical Officer | $7,305,924 | -$721,320 | -9% | Mixed | 05 Jan 2026 |
| Darlene Noci | Chief Development Officer | $7,178,030 | -$8,861,694 | -55% | Filing P/S | 29 Jun 2026 |
| Henry E. Pelish | Chief Scientific Officer | $6,888,420 | -$7,760,672 | -53% | Filing P/S | 09 Apr 2026 |
| Deborah Ann Miller | Chief Legal Officer | $6,517,996 | -$13,991,901 | -68% | Filing P/S | 28 May 2026 |
| Benjamin Lane | Chief Technical Operations Officer | $5,066,517 | Mixed | 01 Apr 2026 | ||
| Grant C. Bogle | Director | $951,862 | Median | 16 Jun 2026 | ||
| Michael L. Meyers | Director | $880,045 | Median | 16 Jun 2026 | ||
| Cameron Wheeler | Director | $880,045 | Median | 16 Jun 2026 | ||
| Anna Protopapas | Director | $880,045 | Median | 16 Jun 2026 | ||
| Sapna Srivastava | Director | $880,045 | Median | 16 Jun 2026 | ||
| Christy J. Oliger | Director | $759,666 | Median | 16 Jun 2026 | ||
| Ron Squarer | Director | $643,488 | Median | 16 Jun 2026 |
Recent insider transactions for Nuvalent, 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Darlene Noci | NUVL | Class A Common Stock | Sale | -8.65% | $679,305 | $123.51 | -5,500 | 58,117 | 29 Jun 2026 | Direct |
| Darlene Noci | NUVL | Class A Common Stock | Options Exercise | 9.46% | 5,500 | 63,617 | 29 Jun 2026 | Direct | ||
| Darlene Noci | NUVL | Stock Option (Right to Buy) | Options Exercise | -6.33% | -5,500 | 81,329 | 29 Jun 2026 | Direct | ||
| Flynn James E | NUVL | Class A Common Stock | Award | 3,444 | 3,444 | 16 Jun 2026 | Through Deerfield Management Company, L.P. | |||
| James E. Flynn | NUVL | Class A Common Stock | Award | 3,444 | 3,444 | 16 Jun 2026 | Through Deerfield Management Company, L.P. | |||
| Cameron Wheeler | NUVL | Class A Common Stock | Award | 66.9% | 3,444 | 8,590 | 16 Jun 2026 | Direct | ||
| Sapna Srivastava | NUVL | Class A Common Stock | Award | 66.9% | 3,444 | 8,590 | 16 Jun 2026 | Direct | ||
| Ron Squarer | NUVL | Class A Common Stock | Award | 121.4% | 3,444 | 6,281 | 16 Jun 2026 | Direct | ||
| Anna Protopapas | NUVL | Class A Common Stock | Award | 66.9% | 3,444 | 8,590 | 16 Jun 2026 | Direct | ||
| Christy J. Oliger | NUVL | Class A Common Stock | Award | 86.7% | 3,444 | 7,415 | 16 Jun 2026 | Direct | ||
| Michael L. Meyers | NUVL | Class A Common Stock | Award | 66.9% | 3,444 | 8,590 | 16 Jun 2026 | Direct | ||
| Grant C. Bogle | NUVL | Class A Common Stock | Award | 58.9% | 3,444 | 9,291 | 16 Jun 2026 | Direct | ||
| Darlene Noci | NUVL | Class A Common Stock | Sale | -25.6% | $2,456,200 | $122.81 | -20,000 | 58,117 | 09 Jun 2026 | Direct |
| Darlene Noci | NUVL | Class A Common Stock | Options Exercise | 34.4% | 20,000 | 78,117 | 09 Jun 2026 | Direct | ||
| Darlene Noci | NUVL | Stock Option (Right to Buy) | Options Exercise | -98.9% | -20,000 | 216 | 09 Jun 2026 | Direct | ||
| James Richard Porter | NUVL | Class A Common Stock | Sale | -8.45% | $2,656,004 | $88.53 | -30,000 | 324,879 | 08 Jun 2026 | Direct |
| James Richard Porter | NUVL | Class A Common Stock | Options Exercise | 9.23% | 30,000 | 354,879 | 08 Jun 2026 | Direct | ||
| James Richard Porter | NUVL | Stock Option (Right to Buy) | Options Exercise | -16.8% | -30,000 | 148,686 | 08 Jun 2026 | Direct | ||
| Alexandra Balcom | NUVL | Class A Common Stock | Sale | -11.8% | $1,128,080 | $98.69 | -11,430 | 85,533 | 01 Jun 2026 | Direct |
| Alexandra Balcom | NUVL | Class A Common Stock | Options Exercise | 13.4% | 11,430 | 96,963 | 01 Jun 2026 | Direct | ||
| Alexandra Balcom | NUVL | Stock Option (Right to Buy) | Options Exercise | -46% | -11,430 | 13,400 | 01 Jun 2026 | Direct | ||
| Darlene Noci | NUVL | Class A Common Stock | Sale | -8.65% | $592,923 | $107.80 | -5,500 | 58,117 | 28 May 2026 | Direct |
| Darlene Noci | NUVL | Class A Common Stock | Options Exercise | 9.46% | 5,500 | 63,617 | 28 May 2026 | Direct | ||
| Darlene Noci | NUVL | Stock Option (Right to Buy) | Options Exercise | -5.96% | -5,500 | 86,829 | 28 May 2026 | Direct | ||
| Deborah Ann Miller | NUVL | Class A Common Stock | Sale | -8.44% | $593,101 | $107.84 | -5,500 | 59,634 | 28 May 2026 | Direct |
| Deborah Ann Miller | NUVL | Class A Common Stock | Options Exercise | 9.22% | 5,500 | 65,134 | 28 May 2026 | Direct | ||
| Deborah Ann Miller | NUVL | Stock Option (Right to Buy) | Options Exercise | -7.04% | -5,500 | 72,608 | 28 May 2026 | Direct | ||
| Deborah Ann Miller | NUVL | Class A Common Stock | Sale | -8.44% | $593,101 | $107.84 | -5,500 | 59,634 | 28 May 2026 | Direct |
| Deborah Ann Miller | NUVL | Class A Common Stock | Options Exercise | 9.22% | 5,500 | 65,134 | 28 May 2026 | Direct | ||
| Deborah Ann Miller | NUVL | Stock Option (Right to Buy) | Options Exercise | -7.04% | -5,500 | 72,608 | 28 May 2026 | Direct | ||
| James Richard Porter | NUVL | Class A Common Stock | Sale | -8.45% | $3,050,712 | $101.69 | -30,000 | 324,879 | 04 May 2026 | Direct |
| James Richard Porter | NUVL | Class A Common Stock | Options Exercise | 9.23% | 30,000 | 354,879 | 04 May 2026 | Direct | ||
| James Richard Porter | NUVL | Stock Option (Right to Buy) | Options Exercise | -14.4% | -30,000 | 178,686 | 04 May 2026 | Direct | ||
| Alexandra Balcom | NUVL | Class A Common Stock | Sale | -11.8% | $1,131,600 | $99.00 | -11,430 | 85,533 | 01 May 2026 | Direct |
| Alexandra Balcom | NUVL | Class A Common Stock | Options Exercise | 13.4% | 11,430 | 96,963 | 01 May 2026 | Direct | ||
| Alexandra Balcom | NUVL | Stock Option (Right to Buy) | Options Exercise | -31.5% | -11,430 | 24,830 | 01 May 2026 | Direct | ||
| Deborah Ann Miller | NUVL | Class A Common Stock | Sale | -8.44% | $545,691 | $99.22 | -5,500 | 59,634 | 30 Apr 2026 | Direct |
| Deborah Ann Miller | NUVL | Class A Common Stock | Options Exercise | 9.22% | 5,500 | 65,134 | 30 Apr 2026 | Direct | ||
| Deborah Ann Miller | NUVL | Stock Option (Right to Buy) | Options Exercise | -6.58% | -5,500 | 78,108 | 30 Apr 2026 | Direct | ||
| Darlene Noci | NUVL | Class A Common Stock | Sale | -8.65% | $547,524 | $99.55 | -5,500 | 58,117 | 29 Apr 2026 | Direct |
| Darlene Noci | NUVL | Class A Common Stock | Options Exercise | 9.46% | 5,500 | 63,617 | 29 Apr 2026 | Direct | ||
| Darlene Noci | NUVL | Stock Option (Right to Buy) | Options Exercise | -5.62% | -5,500 | 92,329 | 29 Apr 2026 | Direct | ||
| Henry E. Pelish | NUVL | Class A Common Stock | Sale | -4.5% | $323,164 | $104.48 | -3,093 | 65,604 | 09 Apr 2026 | Direct |
| Henry E. Pelish | NUVL | Class A Common Stock | Options Exercise | 4.71% | 3,093 | 68,697 | 09 Apr 2026 | Direct | ||
| Henry E. Pelish | NUVL | Stock Option (Right to Buy) | Options Exercise | -27.1% | -3,093 | 8,309 | 09 Apr 2026 | Direct | ||
| James Richard Porter | NUVL | Class A Common Stock | Sale | -8.45% | $3,113,231 | $103.77 | -30,000 | 324,879 | 06 Apr 2026 | Direct |
| James Richard Porter | NUVL | Class A Common Stock | Options Exercise | 9.23% | 30,000 | 354,879 | 06 Apr 2026 | Direct | ||
| James Richard Porter | NUVL | Stock Option (Right to Buy) | Options Exercise | -18.6% | -30,000 | 131,494 | 06 Apr 2026 | Direct | ||
| Alexandra Balcom | NUVL | Class A Common Stock | Sale | -11.8% | $1,202,527 | $105.21 | -11,430 | 85,533 | 01 Apr 2026 | Direct |
| Alexandra Balcom | NUVL | Class A Common Stock | Options Exercise | 13.4% | 11,430 | 96,963 | 01 Apr 2026 | Direct |
* marks a reported price that did not pass the local price check.