Cui Xiangmin

Director · Ten-percent owner · NUVB, ALPN

As of 2026-09-27, Cui Xiangmin has 38 Form 4 transactions on record across 2 companies — 2 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.

Reconstructed holdings

Direct: $708KIndirect: $0$708Kas of 2026-09-27
  • Direct $708K
  • Indirect $0
NUVBdirect123,397 sh$708K

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

NUVB · 33 trades
2026-05-21: Award / grant, 123,397 sh ($0)2026-02-27: Award / grant, 74,813 sh ($0)2024-09-04: Conversion, 9,671 sh2024-09-04: Conversion, 12,879,200 sh2024-09-04: Conversion, 5,157,900 sh2024-09-04: Conversion, 5,157,900 sh2024-09-04: Conversion, 967,100 sh2024-09-04: Conversion, 128,792 sh2024-09-04: Conversion, 51,579 sh2024-09-04: Conversion, 12,879,200 sh2024-09-04: Conversion, 9,671 sh2024-09-04: Conversion, 967,100 sh2024-09-04: Conversion, 128,792 sh2024-09-04: Conversion, 51,579 sh2024-09-03: Award / grant, 9,671 sh2024-09-03: Award / grant, 128,792 sh2024-09-03: Award / grant, 9,671 sh2024-09-03: Award / grant, 51,579 sh2024-09-03: Award / grant, 32,877 sh2024-09-03: Award / grant, 175,346 sh2024-09-03: Award / grant, 437,834 sh2024-09-03: Award / grant, 51,579 sh2024-09-03: Award / grant, 128,792 sh2024-09-03: Award / grant, 32,877 sh2024-09-03: Award / grant, 175,346 sh2024-09-03: Award / grant, 437,834 sh2024-06-25: Purchase, 277,895 sh ($825K)2024-06-24: Purchase, 336,874 sh ($1.0M)2024-06-21: Purchase, 75,411 sh ($226K)2024-06-20: Purchase, 87,715 sh ($262K)2024-04-09: Award / grant, 1,675,236 sh2024-04-09: Award / grant, 4,183,002 sh2024-04-09: Award / grant, 314,106 sh
ALPN · 5 trades
2024-05-20: Disposition, 17,500 sh2024-05-20: Disposition, 10,000 sh2024-05-20: Disposition, 7,650 sh2024-05-18: Code U, 1,735,544 sh2024-05-18: Code U, 6,582,380 sh

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2024-06-25NUVBPurchase277,895 @ $2.97$825K+12.8% of holding2,453,131Form 4
2024-06-24NUVBPurchase336,874 @ $2.98$1.0M+18.3% of holding2,175,236Form 4
2024-06-21NUVBPurchase75,411 @ $3.00$226K+4.3% of holding1,838,362Form 4
2024-06-20NUVBPurchase87,715 @ $2.99$262K+5.2% of holding1,762,951Form 4
34 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-05-21NUVBAward / grant123,397123,397Form 4
2026-02-27NUVBAward / grant74,81374,813Form 4
2024-09-04NUVBConversion9,6710Form 4
2024-09-04NUVBConversion12,879,20017,062,202Form 4
2024-09-04NUVBConversion5,157,9007,611,031Form 4
2024-09-04NUVBConversion5,157,9007,611,031Form 4
2024-09-04NUVBConversion967,1001,281,206Form 4
2024-09-04NUVBConversion128,7920Form 4
2024-09-04NUVBConversion51,5790Form 4
2024-09-04NUVBConversion12,879,20017,062,202Form 4
2024-09-04NUVBConversion9,6710Form 4
2024-09-04NUVBConversion967,1001,281,206Form 4
2024-09-04NUVBConversion128,7920Form 4
2024-09-04NUVBConversion51,5790Form 4
2024-09-03NUVBAward / grant9,6719,671Form 4
2024-09-03NUVBAward / grant128,792128,792Form 4
2024-09-03NUVBAward / grant9,6719,671Form 4
2024-09-03NUVBAward / grant51,57951,579Form 4
2024-09-03NUVBAward / grant32,87732,877Form 4
2024-09-03NUVBAward / grant175,346175,346Form 4
2024-09-03NUVBAward / grant437,834437,834Form 4
2024-09-03NUVBAward / grant51,57951,579Form 4
2024-09-03NUVBAward / grant128,792128,792Form 4
2024-09-03NUVBAward / grant32,87732,877Form 4
2024-09-03NUVBAward / grant175,346175,346Form 4
2024-09-03NUVBAward / grant437,834437,834Form 4
2024-05-20ALPNDisposition17,5000Form 4
2024-05-20ALPNDisposition10,0000Form 4
2024-05-20ALPNDisposition7,6500Form 4
2024-05-18ALPNCode U1,735,5440Form 4
2024-05-18ALPNCode U6,582,3800Form 4
2024-04-09NUVBAward / grant1,675,2361,675,236Form 4
2024-04-09NUVBAward / grant4,183,0024,183,002Form 4
2024-04-09NUVBAward / grant314,106314,106Form 4

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

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