Fulcrum Therapeutics, Inc.
FULCHealthcare|Biotechnology|US
$3.70
+0.02 (+0.54%)
DCF Value
$3.01
Tangible Book / Share
$4.07
Cash / Share
$4.18
Ownership Breakdown
83.2%
Float
76.3M
Shares Outstanding
63.5M
Float Shares
Major Holders (22)
Combined: 136.8%
Holders of 5%+ from their latest Schedule 13D/13G filing in the last two years. Percentages are as of each filing date.
| Holder | Type | % of Class | Shares | Filed | Filing |
|---|---|---|---|---|---|
| Kevin Tang | Individual | 10.40% | 6,913,329 | Jul 15, 2026 | 13D/G |
| Tang Capital Management, LLC | Other | 10.40% | 6,913,329 | Jul 15, 2026 | 13D/G |
| Suvretta Capital Management, LLC | IA, OO | 9.40% | 5,067,394 | May 2, 2025 | 13D/G |
| EcoR1 Capital, LLC | IA, OO | 9.00% | 6,000,000 | Jun 25, 2026 | 13D/G |
| Oleg Nodelman | HC, IN | 9.00% | 6,000,000 | Jun 25, 2026 | 13D/G |
| EcoR1 Capital Fund Qualified, L.P. | Partnership | 8.40% | 5,614,199 | Jun 25, 2026 | 13D/G |
| Daniel Mack | Holding company | 8.22% | 5,475,040 | Aug 14, 2026 | 13D/G |
| Wilmot B. Harkey | Holding company | 8.22% | 5,475,040 | Aug 14, 2026 | 13D/G |
| Nantahala Capital Management, LLC | Investment adviser | 8.22% | 5,475,040 | Aug 14, 2026 | 13D/G |
| BlackRock Portfolio Management LLC | Holding company | 8.10% | 6,155,437 | Oct 27, 2026 | 13D/G |
| BlackRock, Inc. | Holding company | 7.20% | 4,802,880 | Jul 28, 2026 | 13D/G |
| Montanova Capital, LLC | IA, OO | 5.50% | 3,680,921 | Aug 14, 2026 | 13D/G |
| Aaron Cowen | HC, IN | 5.50% | 3,680,921 | Aug 14, 2026 | 13D/G |
| Robert Atchinson | HC, IN | 4.50% | 2,432,000 | Nov 13, 2025 | 13D/G |
| Adage Capital Management, L.P. | IA, PN | 4.50% | 2,432,000 | Nov 13, 2025 | 13D/G |
| Phillip Gross | HC, IN | 4.50% | 2,432,000 | Nov 13, 2025 | 13D/G |
| Averill Master Fund, Ltd. | Corporation | 3.80% | 2,553,201 | Aug 14, 2026 | 13D/G |
| Tang Capital Partners International, LP | Partnership | 3.20% | 2,160,423 | Jul 15, 2026 | 13D/G |
| Tang Capital Partners III, Inc | Corporation | 2.50% | 1,630,127 | Jul 15, 2026 | 13D/G |
| Tang Capital Partners, LP | Partnership | 2.50% | 1,630,142 | Jul 15, 2026 | 13D/G |
| Tang Capital Partners IV, Inc | Corporation | 2.20% | 1,492,637 | Jul 15, 2026 | 13D/G |
| Bank of America Corp /De/ | Holding company | 1.50% | 1,114,867 | Oct 28, 2026 | 13D/G |
Insider Trades (100)
Last 4 quarters: 1,616,946 acquired · 4,256,591 disposed
| Insider | Position | Date | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| TANG KEVIN | 10 percent owner | Jul 17, 2026 | BUY | 50,945 | $3.52 | $179.3K | Form 4 |
| TANG KEVIN | 10 percent owner | Jul 16, 2026 | BUY | 116,671 | $3.56 | $415.3K | Form 4 |
| TANG KEVIN | 10 percent owner | Jul 15, 2026 | BUY | 107,377 | $3.56 | $382.3K | Form 4 |
| TANG KEVIN | 10 percent owner | Jul 14, 2026 | BUY | 75,952 | $3.58 | $271.9K | Form 4 |
| TANG KEVIN | 10 percent owner | Jul 14, 2026 | BUY | 53,651 | $3.56 | $191.0K | Form 4 |
| TANG KEVIN | 10 percent owner | Jul 13, 2026 | BUY | 12,966 | $3.54 | $45.9K | Form 4 |
| TANG KEVIN | 10 percent owner | Jul 13, 2026 | OTHER | 0 | — | — | Form 4 |
| Banks Sonja | director | Jun 30, 2026 | AWARD | 32,000 | $3.66 | $117.1K | Form 4 |
| Dorton Katina | director | Jun 30, 2026 | AWARD | 32,000 | $3.66 | $117.1K | Form 4 |
| Gould Robert J | director | Jun 30, 2026 | AWARD | 32,000 | $3.66 | $117.1K | Form 4 |
| Haviland Kate | director | Jun 30, 2026 | AWARD | 32,000 | $3.66 | $117.1K | Form 4 |
| King Rachel K. | director | Jun 30, 2026 | AWARD | 32,000 | $3.66 | $117.1K | Form 4 |
| GERAGHTY JAMES A | director | Jun 30, 2026 | AWARD | 32,000 | $3.66 | $117.1K | Form 4 |
| Hill Colin | director | Jun 30, 2026 | AWARD | 32,000 | $3.66 | $117.1K | Form 4 |
| Ezekowitz Alan | director | Jun 30, 2026 | AWARD | 32,000 | $3.66 | $117.1K | Form 4 |
| Ezekowitz Alan | director | Jun 26, 2026 | SELL | 18,000 | $3.65 | $65.6K | Form 4 |
| Lehrer-Graiwer Joshua | director | Apr 23, 2026 | AWARD | 64,000 | $8.08 | $517.1K | Form 4 |
| Lehrer-Graiwer Joshua | director | Apr 23, 2026 | OTHER | 0 | — | — | Form 4 |
| Gould Robert J | director | Jan 2, 2026 | SELL | 15,000 | $10.87 | $163.1K | Form 4 |
| Musso Alan A | Chief Financial Officer | Feb 2, 2026 | AWARD | 170,000 | $10.72 | $1.8M | Form 4 |
| Oltmans Curtis Gale | Chief Legal Officer | Feb 2, 2026 | AWARD | 170,000 | $10.72 | $1.8M | Form 4 |
| Gould Robert J | director | Feb 2, 2026 | SELL | 15,000 | $10.72 | $160.9K | Form 4 |
| Tourangeau Greg | Principal Accounting Officer | Feb 2, 2026 | AWARD | 57,000 | $10.72 | $611.0K | Form 4 |
| Sapir Alex | director, officer: See Remarks | Feb 2, 2026 | AWARD | 650,000 | $10.72 | $7.0M | Form 4 |
| Gould Robert J | director | Jan 2, 2026 | SELL | 15,000 | $11.87 | $178.1K | Form 4 |
| Oltmans Curtis Gale | Chief Legal Officer | Dec 15, 2025 | SELL | 3,452 | $12.92 | $44.6K | Form 4 |
| RA CAPITAL MANAGEMENT, L.P. | 10 percent owner | Dec 8, 2025 | SELL | 1,377,020 | $13.33 | $18.4M | Form 4 |
| RA CAPITAL MANAGEMENT, L.P. | 10 percent owner | Dec 8, 2025 | SELL | 2,706,397 | $14.28 | $38.6M | Form 4 |
| RA CAPITAL MANAGEMENT, L.P. | 10 percent owner | Dec 8, 2025 | SELL | 91,722 | $14.98 | $1.4M | Form 4 |
| Gould Robert J | director | Nov 19, 2025 | SELL | 15,000 | $11.03 | $165.5K | Form 4 |
| GERAGHTY JAMES A | director | Jun 26, 2025 | AWARD | 36,000 | $7.38 | $265.7K | Form 4 |
| Dorton Katina | director | Jun 26, 2025 | AWARD | 36,000 | $7.38 | $265.7K | Form 4 |
| Haviland Kate | director | Jun 26, 2025 | AWARD | 36,000 | $7.38 | $265.7K | Form 4 |
| King Rachel K. | director | Jun 26, 2025 | AWARD | 36,000 | $7.38 | $265.7K | Form 4 |
| Hill Colin | director | Jun 26, 2025 | AWARD | 36,000 | $7.38 | $265.7K | Form 4 |
| Banks Sonja | director | Jun 26, 2025 | AWARD | 36,000 | $7.38 | $265.7K | Form 4 |
| Gould Robert J | director | Jun 26, 2025 | AWARD | 36,000 | $7.38 | $265.7K | Form 4 |
| Ezekowitz Alan | director | Jun 26, 2025 | AWARD | 36,000 | $7.38 | $265.7K | Form 4 |
| Tourangeau Greg | Principal Accounting Officer | May 8, 2025 | SELL | 498 | $5.06 | $2.5K | Form 4 |
| Musso Alan A | Chief Financial Officer | Jan 24, 2025 | AWARD | 285,000 | $4.16 | $1.2M | Form 4 |
| Sapir Alex | director, officer: See Remarks | Jan 24, 2025 | AWARD | 582,000 | $4.16 | $2.4M | Form 4 |
| Tourangeau Greg | Principal Accounting Officer | Jan 24, 2025 | AWARD | 76,120 | $4.16 | $316.7K | Form 4 |
| Oltmans Curtis Gale | Chief Legal Officer | Jan 24, 2025 | AWARD | 225,000 | $4.16 | $936.0K | Form 4 |
| King Rachel K. | director | Nov 12, 2024 | AWARD | 60,000 | $3.64 | $218.4K | Form 4 |
| King Rachel K. | Nov 12, 2024 | OTHER | 0 | — | — | Form 4 | |
| RA CAPITAL MANAGEMENT, L.P. | 10 percent owner | Sep 12, 2024 | OTHER | 0 | — | — | Form 4 |
| RA CAPITAL MANAGEMENT, L.P. | 10 percent owner | Sep 12, 2024 | OTHER | 8,500,000 | $0.00 | $8.5K | Form 4 |
| RA CAPITAL MANAGEMENT, L.P. | 10 percent owner | Aug 21, 2024 | J | 8,500,000 | $0.00 | $8.5K | Form 4 |
| RA CAPITAL MANAGEMENT, L.P. | 10 percent owner | Aug 21, 2024 | DISPOSED | 8,500,000 | $0.00 | $8.5K | Form 4 |
| Sapir Alex | director, officer: See Remarks | Jul 3, 2024 | OPTION EX. | 150,000 | $3.27 | $490.5K | Form 4 |
| Sapir Alex | director, officer: See Remarks | Jul 3, 2024 | OPTION EX. | 150,000 | $3.27 | $490.5K | Form 4 |
| Ezekowitz Alan | director | Jun 17, 2024 | AWARD | 30,000 | $7.00 | $210.0K | Form 4 |
| Gould Robert J | director | Jun 17, 2024 | AWARD | 30,000 | $7.00 | $210.0K | Form 4 |
| Haviland Kate | director | Jun 17, 2024 | AWARD | 30,000 | $7.00 | $210.0K | Form 4 |
| GERAGHTY JAMES A | director | Jun 17, 2024 | AWARD | 30,000 | $7.00 | $210.0K | Form 4 |
| Dorton Katina | director | Jun 17, 2024 | AWARD | 30,000 | $7.00 | $210.0K | Form 4 |
| Collins James J. | director | Jun 17, 2024 | AWARD | 30,000 | $7.00 | $210.0K | Form 4 |
| Banks Sonja | director | Jun 17, 2024 | AWARD | 30,000 | $7.00 | $210.0K | Form 4 |
| Hill Colin | director | Jun 17, 2024 | AWARD | 60,000 | $7.00 | $420.0K | Form 4 |
| Hill Colin | director | Jun 17, 2024 | DISPOSED | 0 | — | — | Form 4 |
| Tourangeau Greg | Principal Accounting Officer | May 7, 2024 | SELL | 236 | $7.76 | $1.8K | Form 4 |
| Horn Patrick Taylor | Chief Medical Officer | Mar 18, 2024 | AWARD | 400,000 | $10.12 | $4.0M | Form 4 |
| Horn Patrick Taylor | Chief Medical Officer | Mar 18, 2024 | DISPOSED | 0 | — | — | Form 4 |
| Tourangeau Greg | Vice President, Finance | Mar 8, 2024 | SELL | 4,884 | $11.72 | $57.2K | Form 4 |
| Sapir Alex | director, officer: See Remarks | Mar 4, 2024 | BUY | 43,360 | $11.35 | $492.0K | Form 4 |
| Tourangeau Greg | Vice President, Finance | Jan 26, 2024 | AWARD | 83,820 | $6.95 | $582.5K | Form 4 |
| Tourangeau Greg | Vice President, Finance | Jan 26, 2024 | AWARD | 10,000 | $6.95 | $69.5K | Form 4 |
| Musso Alan A | Chief Financial Officer | Jan 26, 2024 | AWARD | 100,000 | $6.95 | $695.0K | Form 4 |
| Oltmans Curtis Gale | Chief Legal Officer | Jan 26, 2024 | AWARD | 150,000 | $6.95 | $1.0M | Form 4 |
| Musso Alan A | Chief Financial Officer | Jan 17, 2024 | AWARD | 61,822 | $4.01 | $247.9K | Form 4 |
| Musso Alan A | Chief Financial Officer | Aug 7, 2023 | AWARD | 432,800 | $4.01 | $1.7M | Form 4 |
| Musso Alan A | Chief Financial Officer | Aug 7, 2023 | DISPOSED | 0 | — | — | Form 4 |
| Sapir Alex | director, officer: See Remarks | Jul 1, 2023 | DISPOSED | 2,430,400 | $3.27 | $7.9M | Form 4 |
| GERAGHTY JAMES A | director | Jun 27, 2023 | AWARD | 30,000 | $3.16 | $94.8K | Form 4 |
| Haviland Kate | director | Jun 27, 2023 | AWARD | 30,000 | $3.16 | $94.8K | Form 4 |
| Dorton Katina | director | Jun 27, 2023 | AWARD | 30,000 | $3.16 | $94.8K | Form 4 |
| Banks Sonja | director | Jun 27, 2023 | AWARD | 30,000 | $3.16 | $94.8K | Form 4 |
| Ezekowitz Alan | director | Jun 27, 2023 | AWARD | 30,000 | $3.16 | $94.8K | Form 4 |
| Gould Robert J | director, officer: Interim President & CEO | Jun 27, 2023 | AWARD | 30,000 | $3.16 | $94.8K | Form 4 |
| Collins James J. | director | Jun 27, 2023 | AWARD | 30,000 | $3.16 | $94.8K | Form 4 |
| Tourangeau Greg | Principal Accounting Officer | May 10, 2023 | SELL | 210 | $3.31 | $695.10 | Form 4 |
| Hayes Melvin H. III | Chief Operating Officer | Apr 26, 2023 | AWARD | 115,000 | $2.58 | $296.7K | Form 4 |
| Oltmans Curtis Gale | Chief Legal Officer | Apr 26, 2023 | AWARD | 127,500 | $2.58 | $328.9K | Form 4 |
| Oltmans Curtis Gale | Chief Legal Officer | Feb 9, 2023 | AWARD | 150,000 | $12.59 | $1.9M | Form 4 |
| Tourangeau Greg | Controller | Feb 9, 2023 | AWARD | 16,100 | $12.59 | $202.7K | Form 4 |
| Hayes Melvin H. III | Chief Operating Officer | Feb 9, 2023 | AWARD | 135,000 | $12.59 | $1.7M | Form 4 |
| Rajavelu Esther | Chief Financial Officer | Feb 9, 2023 | AWARD | 160,000 | $12.59 | $2.0M | Form 4 |
| RA CAPITAL MANAGEMENT, L.P. | director | Jan 20, 2023 | BUY | 1,923,076 | $13.00 | $25.0M | Form 4 |
| Gould Robert J | Interim President & CEO | Jan 13, 2023 | SELL | 6,766 | $15.00 | $101.5K | Form 4 |
| RA CAPITAL MANAGEMENT, L.P. | director | Jan 4, 2023 | BUY | 58,369 | $7.80 | $455.1K | Form 4 |
| RA CAPITAL MANAGEMENT, L.P. | director | Jan 4, 2023 | BUY | 122,334 | $7.03 | $859.7K | Form 4 |
| RA CAPITAL MANAGEMENT, L.P. | director | Dec 27, 2022 | BUY | 4,089 | $5.99 | $24.5K | Form 4 |
| RA CAPITAL MANAGEMENT, L.P. | director | Dec 19, 2022 | BUY | 98,787 | $5.90 | $582.8K | Form 4 |
| RA CAPITAL MANAGEMENT, L.P. | director | Dec 16, 2022 | BUY | 1,341,420 | $5.42 | $7.3M | Form 4 |
| RA CAPITAL MANAGEMENT, L.P. | director | Dec 15, 2022 | BUY | 237,029 | $5.50 | $1.3M | Form 4 |
| RA CAPITAL MANAGEMENT, L.P. | director | Dec 14, 2022 | BUY | 824,600 | $5.46 | $4.5M | Form 4 |
| Third Rock Ventures III, L.P. | director | Dec 13, 2022 | DISPOSED | 2,000,000 | — | — | Form 4 |
| Arroyo Santiago | Chief Medical Officer | Nov 7, 2022 | AWARD | 400,000 | — | — | Form 4 |
| Arroyo Santiago | Chief Medical Officer | Nov 7, 2022 | DISPOSED | 0 | — | — | Form 4 |
| RA CAPITAL MANAGEMENT, L.P. | 10 percent owner | Aug 16, 2022 | OTHER | 0 | — | — | Form 4 |