SCHEDULE Filed 2025-03-04 Event 2025-02-28 SEC 0001214659-25-003856 →

TANG CAPITAL MANAGEMENT LLC → Aurinia Pharmaceuticals Inc. AUPH

Stake: 7.30% Shares: 10,029,500 CUSIP: 05156V102 Class: Common Shares, no par value

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

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 2025-02-28 on AUPH

+1 day

+0.4%

+5 days

+9.1%

+30 days

+1.1%

+60 days

+2.1%

+90 days

+0.5%

+180 days

+52.3%

Anchor price 7.95 on closest trading day on/after 2025-02-28. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
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.

Filed	Form	Filer	Stake	Shares
2026-06-04	SCHEDULE 13D/A	TANG CAPITAL MANAGEMENT LLC	10.00%	13,044,106	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

Filed	Form	Issuer	Stake	Shares
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 →
2026-06-04	SCHEDULE 13D/A	Aurinia Pharmaceuticals Inc. AUPH	10.00%	13,044,106	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 →
2025-02-27	SCHEDULE	ACELYRIN, Inc.	7.30%	7,298,328	view →

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