Chen Bihua

Director · Officer · Other reporting person · Ten-percent owner · BBOT, HLXC, MLTX, BMEA, HLXB

As of 2026-09-16, Chen Bihua has 89 Form 4 transactions on record across 5 companies — 72 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: $311KIndirect: $103.5M$103.8Mas of 2026-09-16
  • Direct $311K
  • Indirect $103.5M
HLXBindirect4,480,000 sh$44.4M
BBOTindirect6,083,221 sh$29.0M
MLTXindirect1,994,173 sh$24.8M
HLXCindirect497,500 sh$5.4M
BMEAdirect91,970 sh$160K
BBOTdirect31,675 sh$151K

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

BBOT · 20 trades
2026-07-01: Other acquisition, 4,528,186 sh ($0)2026-07-01: Other acquisition, 2,692,459 sh ($0)2026-07-01: Other acquisition, 1,704,862 sh ($0)2026-07-01: Other acquisition, 130,865 sh ($0)2026-06-16: Award / grant, 31,675 sh ($0)2025-08-11: Award / grant, 5,598,425 sh ($60.0M)2025-08-11: Award / grant, 760,496 sh ($8.2M)2025-08-11: Award / grant, 639,110 sh ($6.8M)2025-08-11: Disposition, 307,874 sh ($0)2025-08-11: Disposition, 152,940 sh ($0)2025-08-11: Option exercise, 4,172,126 sh2025-08-11: Award / grant, 1,905,046 sh2025-08-11: Award / grant, 1,762,760 sh2025-08-11: Award / grant, 284,571 sh2025-08-11: Option exercise, 4,172,126 sh2025-08-11: Option exercise, 4,172,126 sh2025-08-11: Award / grant, 1,905,046 sh2025-08-11: Award / grant, 1,762,760 sh2025-08-11: Award / grant, 284,571 sh2025-08-11: Option exercise, 4,172,126 sh
MLTX · 5 trades
2025-09-30: Sale, 5,827 sh ($41K)2025-09-29: Sale, 3,390,943 sh ($25.7M)2025-09-29: Sale, 2,800,000 sh ($18.5M)2025-09-29: Sale, 232,460 sh ($2.0M)2025-09-29: Sale, 70,748 sh ($664K)
HLXC · 4 trades
2026-01-26: Award / grant, 497,500 sh ($5.0M)2026-01-22: Other acquisition, 718,750 sh2026-01-22: Other acquisition, 718,750 sh2026-01-22: Other acquisition, 718,750 sh
BMEA · 1 trade
2025-06-11: Award / grant, 91,970 sh ($0)
HLXB · 1 trade
2025-02-08: Other acquisition, 30,000 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-08-10—Purchase312,500 @ $16.00$5.0M+9.5% of holding3,614,034Form 4
2025-09-30MLTXSale5,827 @ $6.96$41K−0.3% of holding1,994,173Form 4
2025-09-29MLTXSale3,390,943 @ $7.58$25.7M−41.4% of holding4,800,000Form 4
2025-09-29MLTXSale2,800,000 @ $6.61$18.5M−58.3% of holding2,000,000Form 4
2025-09-29MLTXSale232,460 @ $8.40$2.0M−2.8% of holding8,190,943Form 4
2025-09-29MLTXSale70,748 @ $9.38$664K−0.8% of holding8,423,403Form 4
83 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-10—Conversion1,701,5410Form 4
2026-08-10—Conversion1,701,5410Form 4
2026-08-10—Conversion1,599,9931,599,993Form 4
2026-08-10—Conversion1,701,5413,301,534Form 4
2026-08-10—Conversion1,599,9930Form 4
2026-08-10—Conversion1,701,5410Form 4
2026-08-10—Conversion1,599,9931,599,993Form 4
2026-08-10—Conversion1,701,5413,301,534Form 4
2026-08-10—Conversion1,599,9930Form 4
2026-08-10—Conversion1,701,5410Form 4
2026-08-10—Conversion1,599,9931,599,993Form 4
2026-08-10—Conversion1,701,5413,301,534Form 4
2026-08-10—Conversion1,599,9930Form 4
2026-08-10—Conversion1,701,5410Form 4
2026-08-10—Conversion1,599,9931,599,993Form 4
2026-08-10—Conversion1,701,5413,301,534Form 4
2026-08-10—Conversion1,599,9930Form 4
2026-08-10—Conversion1,701,5410Form 4
2026-08-10—Conversion1,599,9931,599,993Form 4
2026-08-10—Conversion1,701,5413,301,534Form 4
2026-08-10—Conversion1,599,9930Form 4
2026-08-10—Conversion1,701,5410Form 4
2026-08-10—Conversion1,599,9931,599,993Form 4
2026-08-10—Conversion1,701,5413,301,534Form 4
2026-08-10—Conversion1,599,9930Form 4
2026-08-10—Conversion1,701,5410Form 4
2026-08-10—Conversion1,599,9931,599,993Form 4
2026-08-10—Conversion1,701,5413,301,534Form 4
2026-08-10—Conversion1,599,9930Form 4
2026-08-10—Conversion1,701,5410Form 4
2026-08-10—Conversion1,599,9931,599,993Form 4
2026-08-10—Conversion1,701,5413,301,534Form 4
2026-08-10—Conversion1,599,9930Form 4
2026-08-10—Conversion1,599,9931,599,993Form 4
2026-08-10—Conversion1,701,5413,301,534Form 4
2026-08-10—Conversion1,599,9930Form 4
2026-08-10—Conversion1,701,5410Form 4
2026-08-10—Conversion1,599,9931,599,993Form 4
2026-08-10—Conversion1,701,5413,301,534Form 4
2026-08-10—Conversion1,599,9930Form 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.