BRIAN G ATWOOD
CIK 1266567 · Chief Executive Officer · last filed 2026-01-09
BRIAN G ATWOOD is a Chief Executive Officer who has filed 77 SEC Form 4 insider transactions across 13 companies since 2007. The most recent filing, for PBAXW, was dated Jan 9, 2026. Across all open-market trades the lifetime net is +$7.9M, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $170.4M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$170.35M
13
77
$7.88M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| CERO THERAPEUTICS HOLDINGS, INC. (PBAXW) Delisted | Director | 491,784 | $0.05 | $24.6K | $0 | 12 | 2026-01-09 |
| Atreca, Inc. (BCEL) Delisted | Director | 49,654 | $0.15 | $7.4K | $0 | 6 | 2023-06-15 |
| CERO THERAPEUTICS HOLDINGS, INC. (PBAXU) Delisted | Director | — | $10.37 | — | $0 | 1 | 2021-10-12 |
| Clovis Oncology, Inc. (CLVS) Delisted | Director | 58,335 | $0.08 | $4.7K | $0 | 16 | 2021-06-11 |
| LWACU | Director | — | $10.30 | — | $0 | 1 | 2021-01-14 |
| OPGEN INC (OPGN.W) Delisted | Director | 2,050,689 | — | — | $2.48M | 2 | 2016-06-24 |
| VCYT | Director | 3,594,989 | $47.33 | $170.15M | $0 | 3 | 2016-06-20 |
| FIVE PRIME THERAPEUTICS, INC. (FPRX) Delisted | Director | 1,092,152 | $38.00 | $41.50M | $1000.0K | 2 | 2015-06-16 |
| INGN | 10%+ Owner | 31,334 | $6.40 | $200.5K | -$1.80M | 3 | 2015-01-06 |
| CADENCE PHARMACEUTICALS INC (CADX) Delisted | Director | 3,220,948 | — | — | $0 | 10 | 2014-02-21 |
| Trius Therapeutics Inc (TSRX) Delisted | Director | 2,321,310 | — | — | $4.57M | 5 | 2013-05-23 |
| HELICOS BIOSCIENCES CORP (HLCS) Delisted | Director | 10,709,818 | — | — | $1.63M | 6 | 2009-09-21 |
| PHARMION CORP (PHRM) Delisted | Director | — | — | — | $0 | 1 | 2007-06-07 |
Recent Filings
77 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-01-09 | CERO THERAPEUTICS HOLDINGS, INC. (PBAXW) Delisted | Grant (A) | — | $0 | EDGAR |
| 2025-06-02 | CERO THERAPEUTICS HOLDINGS, INC. (PBAXW) Delisted | Grant (A) | — | $0 | EDGAR |
| 2025-04-04 | CERO THERAPEUTICS HOLDINGS, INC. (PBAXW) Delisted | Exer (M) | +294,460 | $29 | EDGAR |
| 2025-03-06 | CERO THERAPEUTICS HOLDINGS, INC. (PBAXW) Delisted | Grant (A) | — | $0 | EDGAR |
| 2025-02-26 | CERO THERAPEUTICS HOLDINGS, INC. (PBAXW) Delisted | Grant (A) | — | $0 | EDGAR |
| 2025-02-07 | CERO THERAPEUTICS HOLDINGS, INC. (PBAXW) Delisted | Grant (A) | — | $0 | EDGAR |
| 2024-12-04 | CERO THERAPEUTICS HOLDINGS, INC. (PBAXW) Delisted | Grant (A) | — | $0 | EDGAR |
| 2024-10-02 | CERO THERAPEUTICS HOLDINGS, INC. (PBAXW) Delisted | Mixed | +19,358,578 | $0 | EDGAR |
| 2024-03-27 | CERO THERAPEUTICS HOLDINGS, INC. (PBAXW) Delisted | Grant (A) | — | $0 | EDGAR |
| 2024-03-11 | CERO THERAPEUTICS HOLDINGS, INC. (PBAXW) Delisted | Mixed | +248,735 | $0 | EDGAR |