TANG KEVIN

Director · Officer · Ten-percent owner · BOLD, FULC, AUPH, OMIC

As of 2026-09-16, TANG KEVIN has 57 Form 4 transactions on record across 4 companies — 41 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Pattern in the record: open-market purchases filed in March in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct $0
Indirect $35.0M

FULC	indirect	7,080,945 sh	$26.8M
BOLD	indirect	2,840,635 sh	$8.0M
AUPH	indirect	10,000 sh	$170K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

AUPH · 24 trades

BOLD · 23 trades

FULC · 6 trades

OMIC · 4 trades

Filing ledger

Date	Company	Action	Shares @ price	Value	Ownership Δ	Owned after	Filing
2026-08-26	BOLD	Sale	18,300 @ $2.97	$54K	−0.6% of holding	2,840,635	Form 4
2026-07-21	BOLD	Purchase	2,975 @ $2.44	$7K	+0.1% of holding	2,858,935	Form 4
2026-07-20	BOLD	Purchase	1,623 @ $2.44	$4K	+0.1% of holding	2,855,960	Form 4
2026-07-17	FULC	Purchase	50,945 @ $3.52	$179K	+0.7% of holding	7,080,945	Form 4
2026-07-17	BOLD	Purchase	265 @ $2.44	$647	+0.0% of holding	2,854,337	Form 4
2026-07-16	FULC	Purchase	116,671 @ $3.56	$415K	+1.7% of holding	7,030,000	Form 4
2026-07-16	BOLD	Purchase	18,491 @ $2.44	$45K	+0.7% of holding	2,854,072	Form 4
2026-07-15	FULC	Purchase	107,377 @ $3.56	$382K	+1.6% of holding	6,913,329	Form 4
2026-07-15	BOLD	Purchase	1,600 @ $2.44	$4K	+0.1% of holding	2,835,581	Form 4
2026-07-14	FULC	Purchase	75,952 @ $3.58	$272K	+1.1% of holding	6,805,952	Form 4
2026-07-14	FULC	Purchase	53,651 @ $3.56	$191K	+0.8% of holding	6,730,000	Form 4
2026-07-14	BOLD	Purchase	43,878 @ $2.43	$107K	+1.6% of holding	2,833,981	Form 4
2026-07-13	BOLD	Purchase	48,211 @ $2.42	$117K	+1.8% of holding	2,790,103	Form 4
2026-07-13	FULC	Purchase	12,966 @ $3.54	$46K	+0.2% of holding	6,676,349	Form 4
2026-07-10	BOLD	Purchase	43,367 @ $2.43	$105K	+1.6% of holding	2,741,892	Form 4
2026-07-09	BOLD	Purchase	7 @ $2.48	$17	+0.0% of holding	2,698,525	Form 4
2026-07-08	BOLD	Purchase	14,338 @ $2.46	$35K	+0.5% of holding	2,698,518	Form 4
2026-07-07	BOLD	Purchase	15,810 @ $2.48	$39K	+0.6% of holding	2,684,180	Form 4
2026-07-06	BOLD	Purchase	27,062 @ $2.49	$67K	+1.0% of holding	2,668,370	Form 4
2026-07-02	BOLD	Purchase	9,821 @ $2.49	$24K	+0.4% of holding	2,641,308	Form 4
2026-07-01	BOLD	Purchase	71,612 @ $2.49	$178K	+2.8% of holding	2,631,487	Form 4
2026-06-30	BOLD	Purchase	25,930 @ $2.54	$66K	+1.0% of holding	2,559,775	Form 4
2026-06-30	BOLD	Purchase	100 @ $2.50	$250	+0.0% of holding	2,559,875	Form 4
2026-06-29	BOLD	Purchase	63,985 @ $2.47	$158K	+2.6% of holding	2,533,068	Form 4
2026-06-29	BOLD	Purchase	777 @ $2.48	$2K	+0.0% of holding	2,533,845	Form 4
2026-06-26	BOLD	Purchase	75,047 @ $2.55	$191K	+3.1% of holding	2,468,949	Form 4
2026-06-26	BOLD	Purchase	134 @ $2.54	$340	+0.0% of holding	2,469,083	Form 4
2026-06-25	BOLD	Purchase	145,880 @ $2.48	$362K	+6.5% of holding	2,393,392	Form 4
2026-06-25	BOLD	Purchase	510 @ $2.56	$1K	+0.0% of holding	2,393,902	Form 4
2026-06-02	AUPH	Purchase	206,005 @ $15.28	$3.1M	+1.6% of holding	13,044,106	Form 4
2026-06-01	AUPH	Purchase	343,521 @ $15.28	$5.2M	+2.7% of holding	12,838,002	Form 4
2026-06-01	AUPH	Purchase	99 @ $15.34	$2K	+0.0% of holding	12,838,101	Form 4
2026-05-29	AUPH	Purchase	262,682 @ $15.31	$4.0M	+2.1% of holding	12,494,481	Form 4
2026-05-29	AUPH	Purchase	2,299 @ $15.35	$35K	+0.0% of holding	12,231,799	Form 4
2026-03-03	AUPH	Purchase	184,208 @ $14.22	$2.6M	+1.5% of holding	12,229,500	Form 4
2026-03-02	AUPH	Purchase	115,792 @ $14.21	$1.6M	+1.0% of holding	12,045,292	Form 4
2026-03-02	AUPH	Purchase	83,561 @ $14.33	$1.2M	+0.7% of holding	11,929,500	Form 4
2026-02-27	AUPH	Purchase	300,000 @ $13.90	$4.2M	+2.6% of holding	11,629,500	Form 4
2026-02-27	AUPH	Purchase	214,839 @ $14.12	$3.0M	+1.8% of holding	11,844,339	Form 4
2026-02-27	AUPH	Purchase	1,600 @ $14.38	$23K	+0.0% of holding	11,845,939	Form 4
2025-08-05	AUPH	Purchase	200,000 @ $11.68	$2.3M	+1.8% of holding	11,329,500	Form 4
2025-08-04	AUPH	Purchase	100,000 @ $11.34	$1.1M	+0.9% of holding	11,129,500	Form 4
2025-08-01	AUPH	Purchase	1,000,000 @ $10.12	$10.1M	+10.0% of holding	11,029,500	Form 4
2025-03-04	AUPH	Purchase	500,000 @ $7.92	$4.0M	+5.3% of holding	9,929,500	Form 4
2025-03-04	AUPH	Purchase	148,038 @ $8.00	$1.2M	+1.6% of holding	9,429,500	Form 4
2025-03-04	AUPH	Purchase	100,000 @ $8.09	$809K	+1.0% of holding	10,029,500	Form 4
2025-03-03	AUPH	Purchase	351,962 @ $8.02	$2.8M	+3.9% of holding	9,281,462	Form 4
2025-03-03	AUPH	Purchase	100,720 @ $7.97	$803K	+1.1% of holding	8,929,500	Form 4
2025-02-28	AUPH	Purchase	399,280 @ $7.85	$3.1M	+4.7% of holding	8,828,780	Form 4
2024-12-09	AUPH	Purchase	500,000 @ $9.09	$4.5M	+6.3% of holding	8,429,500	Form 4
2024-12-06	AUPH	Purchase	400,000 @ $9.01	$3.6M	+5.3% of holding	7,929,500	Form 4
2024-12-05	AUPH	Purchase	300,000 @ $8.91	$2.7M	+4.1% of holding	7,529,500	Form 4

5 award / exercise / gift records — not counted as purchases

Date	Company	Action	Shares	Owned after	Filing
2026-06-02	AUPH	Other acquisition	10,000	10,000	Form 4
2025-02-21	OMIC	Disposition	372,000	0	Form 4
2025-02-21	OMIC	Disposition	372,000	0	Form 4
2025-02-21	OMIC	Disposition	372,000	0	Form 4
2025-02-21	OMIC	Disposition	372,000	0	Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.