InsiderTrades

Fust Matthew K

SEC CIK 1397266 · EDGAR

Buying vs selling by month open-market trades, last 59 months, all 3 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
ATRAAtara Biotherapeutics, Inc.Dir 30.2K — $260.4K 62021-11-042026-06-09
RAREUltragenyx Pharmaceutical Inc.Dir 33.7K — $620.4K 82022-03-042026-05-14
NMRANeumora Therapeutics, Inc.Dir 34.1K — $370.9K 32024-06-132024-10-17

Most active insiders at ATRA, 12 months

#InsiderTitleBoughtSold
1 EcoR1 Capital, LLC10% $4.74M—
2 Panacea Innovation Ltd10% —$3.17M
3 Cherry Brian NDir $1000.0K—
4 Huang JamesDir, 10% —$489.0K
5 Nguyen AnhCoPres, CEO, Dir —$142.4K
6 Grant-Huerta YaninaCAO —$56.5K
7 Ciongoli Gregory AustinDir, 10%, See Remarks ——
8 Redmile Group, LLCDir ——
9 Fust Matthew KDir ——
10 HEIDEN WILLIAM KDir ——

Transactions 17

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-06-11 16:36 2026-06-09 ATRA Atara Biotherapeutics, Inc. Fust Matthew K Dir A - Grant $0.00 +12.0K 30.2K +66% $0
D 2026-05-18 18:50 2026-05-14 RARE Ultragenyx Pharmaceutical Inc. Fust Matthew K Dir A - Grant $0.00 +7,751 33.7K +30% $0
2025-06-12 2025-06-10 ATRA Atara Biotherapeutics, Inc. Fust Matthew K Dir A - Grant $0.00 +7,828 18.2K +76% $0
D 2025-05-19 2025-05-15 RARE Ultragenyx Pharmaceutical Inc. Fust Matthew K Dir A - Grant $0.00 +5,740 25.9K +28% $0
DMT 2024-10-18 2024-10-17+ NMRA Neumora Therapeutics, Inc. Fust Matthew K Dir M - OptEx $5.83 +21.8K 34.1K +176% +$127.0K
DMT 2024-10-18 2024-10-17+ NMRA Neumora Therapeutics, Inc. Fust Matthew K Dir S - Sale+OE $17.02 -21.8K 20.1K -52% -$370.9K
D 2024-06-20 2024-06-18 RARE Ultragenyx Pharmaceutical Inc. Fust Matthew K Dir A - Grant $0.00 +5,345 20.2K +36% $0
D 2024-06-14 2024-06-13 NMRA Neumora Therapeutics, Inc. Fust Matthew K Dir A - Grant $0.00 +20.1K 20.1K New $0
2024-04-02 2024-03-31 ATRA Atara Biotherapeutics, Inc. Fust Matthew K Dir A - Grant $0.00 +150.0K 259.0K +138% $0
MT 2024-03-11 2024-03-07 RARE Ultragenyx Pharmaceutical Inc. Fust Matthew K Dir S - Sale $50.88 -12.2K 14.9K -45% -$620.4K
D 2023-06-09 2023-06-07 RARE Ultragenyx Pharmaceutical Inc. Fust Matthew K Dir D - Sale to Iss $51.82 -3,300 27.1K -11% -$171.0K
D 2023-06-09 2023-06-07 RARE Ultragenyx Pharmaceutical Inc. Fust Matthew K Dir A - Grant $0.00 +3,860 30.4K +15% $0
D 2023-06-02 2023-05-31 ATRA Atara Biotherapeutics, Inc. Fust Matthew K Dir A - Grant $0.00 +57.0K 109.0K +110% $0
D 2022-06-28 2022-06-24 RARE Ultragenyx Pharmaceutical Inc. Fust Matthew K Dir A - Grant $0.00 +3,300 26.5K +14% $0
D 2022-06-27 2022-06-23 ATRA Atara Biotherapeutics, Inc. Fust Matthew K Dir A - Grant $0.00 +20.5K 52.0K +65% $0
D 2022-03-08 2022-03-04 RARE Ultragenyx Pharmaceutical Inc. Fust Matthew K Dir M - OptEx $40.37 +7,500 23.2K +48% +$302.8K
2021-11-05 2021-11-04 ATRA Atara Biotherapeutics, Inc. Fust Matthew K Dir S - Sale $19.50 -13.4K 31.5K -30% -$260.4K

Purchase Sale Sale after option exercise All abbreviations