TANG CAPITAL MANAGEMENT LLC
CIK 1232621 · last filed 2026-06-02
TANG CAPITAL MANAGEMENT LLC is a corporate insider who has filed 45 SEC Form 4 insider transactions across 13 companies since 2008. The most recent filing, for AUPH, was dated Jun 2, 2026. Across all open-market trades the lifetime net is +$164.7M, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $221.1M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$221.09M
13
45
$164.67M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| AUPH | 10%+ Owner | 12,838,002 | $15.82 | $203.10M | $24.91M | 1 | 2026-06-02 |
| TCR2 THERAPEUTICS INC. (TCRR) Delisted | 10%+ Owner | 4,394,800 | $1.48 | $6.50M | $1.90M | 2 | 2023-05-30 |
| Odonate Therapeutics, Inc. (ODT) Delisted | 10%+ Owner | 15,045,717 | $1.12 | $16.85M | $77.61M | 7 | 2021-11-19 |
| LA JOLLA PHARMACEUTICAL CO (LJPC) Delisted | 10%+ Owner | 9,194,673 | $6.22 | $57.19M | $41.28M | 7 | 2020-09-09 |
| Bio Green Med Solution, Inc. (CYCCP) Delisted | 10%+ Owner | 559,900 | $5.05 | $2.83M | $1.75M | 1 | 2017-02-27 |
| Ardea Biosciences, Inc./DE (RDEA) Delisted | 10%+ Owner | 3,748,671 | — | — | $21.75M | 2 | 2012-02-03 |
| HERON THERAPEUTICS, INC. /DE/ (APPA) Delisted | 10%+ Owner | 329,900 | — | — | $10.71M | 5 | 2009-10-21 |
| VNDA | 10%+ Owner | 3,065,852 | $5.87 | $18.00M | -$20.62M | 4 | 2009-10-15 |
| PENWEST PHARMACEUTICALS CO (PPCO) Delisted | 10%+ Owner | 6,392,498 | — | — | $204.4K | 2 | 2009-03-13 |
| ARADIGM CORP (ARDM) Delisted | 10%+ Owner | 540,000 | — | — | $0 | 1 | 2008-11-12 |
| NEOSE TECHNOLOGIES INC (NTEC) Delisted | 10%+ Owner | 10,251,914 | $9.63 | $98.73M | $951.9K | 2 | 2008-09-24 |
| Molecular Templates, Inc. (THLDD) Delisted | 10%+ Owner | 54,231 | — | — | $4.50M | 1 | 2008-09-03 |
| TAPESTRY PHARMACEUTICALS, INC (TPPH) Delisted | 10%+ Owner | 1,118,047 | — | — | -$269.3K | 1 | 2008-02-20 |
Recent Filings
45 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-06-02 | AUPH | Mixed | +1,629,212 | $24.91M | EDGAR |
| 2025-02-27 | — | Disp (D) | −1,116,000 | $0 | |
| 2024-02-02 | — | U | −11,551,539 | $0 | |
| 2023-05-30 | TCR2 THERAPEUTICS INC. (TCRR) Delisted | Buy (P) | +150,000 | $258.0K | EDGAR |
| 2023-05-05 | TCR2 THERAPEUTICS INC. (TCRR) Delisted | Buy (P) | +868,731 | $1.64M | EDGAR |
| 2021-11-19 | Odonate Therapeutics, Inc. (ODT) Delisted | Sell (S) | −10,988,524 | -$22.92M | EDGAR |
| 2020-09-09 | LA JOLLA PHARMACEUTICAL CO (LJPC) Delisted | Buy (P) | +1,113,476 | $4.39M | EDGAR |
| 2020-09-01 | Odonate Therapeutics, Inc. (ODT) Delisted | Buy (P) | +5,263,155 | $75.00M | EDGAR |
| 2020-08-14 | LA JOLLA PHARMACEUTICAL CO (LJPC) Delisted | Buy (P) | +1,726,588 | $6.42M | EDGAR |
| 2020-06-04 | LA JOLLA PHARMACEUTICAL CO (LJPC) Delisted | Buy (P) | +2,460,516 | $12.07M | EDGAR |