Deerfield Mgmt IV, L.P.
- SEC CIK
- 0001713467
In the past year, 1 open-market purchase filing worth $25.0M and 1 sale filing worth $70.9M.
Current role at each company
- NUVL Nuvalent, Inc.Director, 10% Owner, Other: Director by Deputizationas of Jul 17, 2026
- LRMR Larimar Therapeutics, Inc.Director, 10% Owner, Other: * Director by Deputizationas of Mar 2, 2026
- SPRY ARS Pharmaceuticals, Inc.10% Owneras of Jul 1, 2025
- AHCO AdaptHealth Corp.10% Owner, Other: *Possible Member of 10% Groupas of Mar 12, 2024
- MIRM Mirum Pharmaceuticals, Inc.10% Owner, Other: * Possible Member of 10% Groupas of Jun 8, 2022
Show 1 more company
- DFPH Starling Oncology, Inc.10% Owner, Other: Possible Members of 10% Groupas of Nov 16, 2021
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- $25.0M
- 1 filing
- Sold
- $70.9M
- 1 filing
- Net
- −$45.9M
- Bought minus sold
- Companies
- 2
- With open-market trades
Trades
Every Form 4 that lists Deerfield Mgmt IV, L.P. as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
LRMR Larimar Therapeutics, Inc.
Director, 10% Owner, Other: * Director by Deputization5 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 2, 2026 (view filing)7:46 PM ET | Feb 27 | 3 days | Deerfield Management Company, L.P. and 9 othersDirector, 10% Owner, Other: * Director by Deputization | PPurchase | +5.00M | $5.00 | +$25.0M | +413.9%6.21M after | 4 lots |
| Aug 4, 2025 (view filing)6:28 PM ET | Jul 31 | 4 days | Deerfield Management Company, L.P. and 9 othersDirector, 10% Owner, Other: * Director by Deputization | PPurchase | +9.38M | $3.20 | +$30.0M | New position7.32M after | 3 lots |
| Feb 16, 2024 (view filing)2:37 PM ET | Feb 16 | Same day | Deerfield Management Company, L.P. and 9 othersDirector, 10% Owner, Other: * Director by Deputization | PPurchase | +4.29M | $8.74 | +$37.5M | New position4.21M after | 3 lots |
| Sep 20, 2022 (view filing)8:31 PM ET | Sep 16 | 4 days | Deerfield Management Company, L.P. and 7 othersDirector, 10% Owner, Other: * Director by Deputization | PPurchase | +11.1M | $3.15 | +$35.0M | New position2.78M after | 4 lots |
| Jul 2, 2021 (view filing)5:07 PM ET | Jun 30 | 2 days | Deerfield Management Company, L.P. and 7 othersDirector, 10% Owner, Other: * Director by Deputization | PPurchase | +685.7K | $8.75 | +$6.00M | +54.5%1.94M after | 3 lots |
NUVL Nuvalent, Inc.
Director, 10% Owner, Other: Director by Deputization4 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Nov 24, 2025 (view filing)8:00 PM ET | Nov 24 | Same day | Deerfield Management Company, L.P. and 7 othersDirector, 10% Owner, Other: Director by Deputization | SSaleClass A Common Stock | −742.6K | $95.45 | −$70.9M | −8.2%8.30M after | 2 lots |
| Oct 24, 2024 (view filing)4:08 PM ET | Oct 22 | 2 days | Deerfield Management Company, L.P. and 7 othersDirector, 10% Owner, Other: * Director by deputization | SSaleClass A Common Stock | −2.00M | $97.75 | −$195.5M | −18.7%8.67M after | 2 lots |
| Nov 7, 2022 (view filing)6:24 PM ET | Nov 3 | 4 days | Deerfield Management Company, L.P. and 7 othersDirector, 10% Owner, Other: * Director by deputization | PPurchaseClass A Common Stock | +650.0K | $33.50 | +$21.8M | New position650.0K after | |
| Aug 4, 2021 (view filing)6:05 PM ET | Aug 2 | 2 days | Deerfield Management Company, L.P. and 5 othersDirector, 10% Owner, Other: Director by Deputization | PPurchaseClass A Common Stock | +600.0K | $17.00 | +$10.2M | –2.72M after | Derivative2 lots |
SPRY ARS Pharmaceuticals, Inc.
10% Owner2 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2025 (view filing)4:42 PM ET | Jun 27 | 4 days | Deerfield Management Company, L.P. and 5 others10% Owner | SSaleClass A Common Stock | −740.1K | $18.46 | −$13.7M | −13.2%4.89M after | 2 lots |
| Nov 13, 2024 (view filing)8:16 PM ET | Nov 11-12 | 2 days | Deerfield Management Company, L.P. and 5 others10% Owner | SSaleClass A Common Stock | −563.3K | $18.01 | −$10.1M | −9.7%5.26M after | 8 lots |
AHCO AdaptHealth Corp.
10% Owner, Other: *Possible Member of 10% Group1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 12, 2024 (view filing)7:01 PM ET | Mar 8-12 | 4 days | Deerfield Management Company, L.P. and 5 others10% Owner, Other: *Possible Member of 10% Group | SSaleClass A Common Stock | −350.0K | $10.90 | −$3.82M | −2.9%11.5M after | 5 lots |
MIRM Mirum Pharmaceuticals, Inc.
10% Owner, Other: * Possible Member of 10% Group3 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 8, 2022 (view filing)7:25 PM ET | Jun 6 | 2 days | Deerfield Management Company, L.P. and 5 others10% Owner, Other: * Possible Member of 10% Group | SSale | −38.5K | $25.01 | −$962.3K | −2.4%1.54M after | 6 lots |
| Jul 13, 2021 (view filing)12:06 PM ET | Jul 9 | 4 days | Deerfield Management Company, L.P. and 7 others10% Owner, Other: * Possible Member of 10% Group | SSale | −99.3K | $15.81 | −$1.57M | −100.0%0 after | |
| Jul 7, 2021 (view filing)6:48 PM ET | Jul 2-7 | 5 days | Deerfield Management Company, L.P. and 7 others10% Owner, Other: * Possible Member of 10% Group | SSale | −66.7K | $16.29 | −$1.09M | −40.2%99.3K after | 3 lots |
DFPH Starling Oncology, Inc.
10% Owner, Other: Possible Members of 10% Group1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Nov 16, 2021 (view filing)9:34 PM ET | Nov 12 | 4 days | Deerfield Management Company, L.P. and 5 others10% Owner, Other: Possible Members of 10% Group | PPurchaseClass A Common Stock | +10.0M | $10.00 | +$100.0M | –58.9K after | Derivative2 lots |