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SCHEDULE 13D/A Filed 2026-06-04 Event 2026-06-02 SEC 0001214659-26-007175 →

TANG CAPITAL MANAGEMENT LLC Aurinia Pharmaceuticals Inc. AUPH

Stake: 10.00% Shares: 13,044,106 CUSIP: 05156V102 Class: Common Shares, no par value

Item 4 — Purpose of Transaction

Item 4 of the Original Schedule 13D is hereby amended and restated by replacing the text thereof in its entirety with the following: The Reporting Persons' acquisition was made for investment purposes. In accordance with applicable securities laws, the Reporting Persons may, from time to time and at any time, acquire additional shares and/or other equity, debt or other securities or instruments (collectively, "Securities") of the Issuer in the open market or otherwise, and reserves the right to dispose of any or all of its Securities in the open market or otherwise at any time and from time to time, and to engage in similar transactions with respect to the Securities, the whole depending on market conditions, the business and prospects of the Issuer and other relevant factors.

Cross-References

Insider Activity (last 365d)
6 transactions
5 buys · 0 sales · 0 awards/exercises
Issuer Cluster
14 13D/G filings on this issuer
13 other filings besides this one
Filer Track Record
11 filings by this filer
10 other filings in the data moat
Short Interest · settle 2026-07-15
DTC 5.77
9,714,642 shares short · +1.3% vs prior

Post-Filing Returns · since 2026-06-02 on AUPH

+1 day
+1.8%
+5 days
+1.8%
+30 days
+1.4%
+60 days
+90 days
+180 days

Anchor price 15.39 on closest trading day on/after 2026-06-02. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2026-06-02 TANG KEVIN director, officer, 10%+ owner Buy 206,005 $15.28 $3.15M
2026-06-02 TANG KEVIN director, officer, 10%+ owner J 10,000 $15.00 $150K
2026-06-01 TANG KEVIN director, officer, 10%+ owner Buy 343,521 $15.28 $5.25M
2026-06-01 TANG KEVIN director, officer, 10%+ owner Buy 99 $15.34 $2K
2026-05-29 TANG KEVIN director, officer, 10%+ owner Buy 2,299 $15.35 $35K
2026-05-29 TANG KEVIN director, officer, 10%+ owner Buy 262,682 $15.31 $4.02M

Other 13D/G Filings on Aurinia Pharmaceuticals Inc.

FiledFormFilerStakeShares
2025-03-04 SCHEDULE TANG CAPITAL MANAGEMENT LLC 7.30% 10,029,500 view →
2022-03-03 SC ILJIN SNT Co., Ltd. view →
2021-03-11 SC Growth Equity Opportunities Fund III, LLC view →
2021-01-27 SC ILJIN SNT Co., Ltd. view →
2021-01-26 SC ILJIN SNT Co., Ltd. view →
2020-10-09 SC ILJIN SNT Co., Ltd. view →
2020-07-23 SC ILJIN SNT Co., Ltd. view →
2019-12-18 SC ILJIN SNT Co., Ltd. view →
2019-12-09 SC ILJIN SNT Co., Ltd. view →
2019-12-06 SC ILJIN SNT Co., Ltd. view →
2019-11-13 SC ILJIN SNT Co., Ltd. view →
2019-06-04 SC ILJIN SNT Co., Ltd. view →
2019-01-18 SC DUGGAN ROBERT W view →

Other Filings by TANG CAPITAL MANAGEMENT LLC

FiledFormIssuerStakeShares
2026-07-27 SCHEDULE 13D/A Nano Dimension Ltd. 16,715,812 view →
2026-06-30 SCHEDULE 13D Nano Dimension Ltd. NNDM 14,292,813 view →
2026-06-29 SCHEDULE 13G Boundless Bio, Inc. BOLD view →
2026-06-10 SCHEDULE 13G Fulcrum Therapeutics, Inc. FULC view →
2026-05-13 SCHEDULE 13D/A Kezar Life Sciences, Inc. 0 view →
2025-09-03 SCHEDULE iTeos Therapeutics, Inc. 100.00% 10,000 view →
2025-05-19 SCHEDULE Allakos Inc. 100.00% 10,000 view →
2025-04-03 SCHEDULE Allakos Inc. 9.60% 8,693,687 view →
2025-03-04 SCHEDULE Aurinia Pharmaceuticals Inc. AUPH 7.30% 10,029,500 view →
2025-02-27 SCHEDULE ACELYRIN, Inc. 7.30% 7,298,328 view →

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