SEC Form 4 · Updated Daily
SGMOQ
— SANGAMO THERAPEUTICS, INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Biogen MA Inc. | 10%+ Owner | 17,652,466 | 2023-09-26 | S |
| BIOGEN INC. | 10%+ Owner | 17,652,466 | 2023-09-26 | S |
| RA CAPITAL MANAGEMENT, L.P. | 10%+ Owner · Director | 2,763,188 | 2014-06-05 | S |
| Kolchinsky Peter | 10%+ Owner · Director | 2,763,188 | 2014-06-05 | S |
| RA Capital Healthcare Fund LP | 10%+ Owner · Director | 2,763,188 | 2014-06-05 | S |
| Macrae Sandy | Director · Officer | 1,895,043 | 2026-05-25 | F |
| LANPHIER EDWARD O II | Director | 1,225,094 | 2016-03-11 | G |
| Duraibabu Prathyusha | Officer | 660,042 | 2026-01-22 | F |
| Willoughby Scott B. | Officer | 647,370 | 2026-05-25 | F |
| Dubois-Stringfellow Nathalie | Officer | 328,733 | 2026-05-25 | F |
| Kopp LeRoy C | 10%+ Owner | 265,000 | 2007-05-21 | P |
| Jain Nikunj | Officer | 235,292 | 2026-05-25 | F |
| LARSON JOHN WILLIAM | Director | 229,660 | 2015-01-05 | M |
| McClung David Mark | Officer | 212,471 | 2023-11-25 | F |
| Wolff Henry Ward | Officer | 206,829 | 2015-12-12 | F |
| Pooler Amy | Officer | 194,416 | 2024-08-24 | F |
| Ramelmeier Rolf Andrew | Officer | 171,467 | 2023-05-25 | F |
| NICHOL GEOFFREY | Officer | 164,060 | 2015-12-11 | F |
| Fontenot Jason D. | Officer | 136,270 | 2023-11-25 | F |
| Gregory Philip D | Officer | 131,410 | 2015-06-01 | M |
| Davis Gregory D | Officer | 113,654 | 2026-05-25 | F |
| PARKER H STEWART | Director | 112,600 | 2025-06-12 | A |
| ANDO DALE G | Officer | 111,328 | 2015-12-11 | F |
| Smith Karen L. | Director | 102,100 | 2025-06-12 | A |
| LOEB GARY | Officer | 100,762 | 2021-03-23 | M |
| Meyers James R | Director | 99,600 | 2025-06-12 | A |
| Carey Robert | Director | 99,600 | 2025-06-12 | A |
| Hillan Kenneth J. | Director | 99,600 | 2025-06-12 | A |
| Markels John | Director | 96,384 | 2025-06-12 | A |
| Lee Sung | Officer | 88,708 | 2020-11-25 | F |
| Boissel Stephane | Officer | 85,023 | 2020-06-04 | M |
| Beers Courtney | Director | 82,650 | 2025-06-12 | A |
| Horn Margaret A | Director | 82,650 | 2025-06-12 | A |
| Schott Robert J. | Officer | 75,537 | 2022-02-25 | A |
| GERBER WILLIAM G | Director | 68,300 | 2007-12-06 | S |
| Zakrzewski Joseph S | Director | 60,700 | 2022-02-25 | A |
| Woolfson Adrian | Officer | 50,000 | 2020-02-25 | A |
| Ramasastry Saira | Director | 35,700 | 2022-02-25 | A |
| RINGO WILLIAM R | Director | 31,800 | 2017-09-20 | M |
| Yi Kathy | Officer | 30,512 | 2019-05-15 | M |
| Ichikawa David G | Officer | 25,000 | 2011-12-08 | A |
| Herberts Curt A. III | Officer | 22,788 | 2018-04-13 | M |
| Turner Heather D | Officer | 19,250 | 2019-02-25 | A |
| DILLY STEPHEN GEORGE | Director | 15,000 | 2020-05-18 | A |
| Mento Steven J | Director | 14,332 | 2018-06-11 | A |
| Conner Edward R. | Officer | 11,291 | 2019-01-24 | F |
| JEFFS ROGER | Director | 9,908 | 2018-09-07 | P |
| Cleveland Paul B | Director | 8,333 | 2014-01-15 | M |
| ZANTE GREG | Officer | 100 | 2008-02-14 | M |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-05-25 | Macrae Sandy | Tax withholding | 12,613 | $0.17 | 1,895,043 |
| 2026-05-25 | Willoughby Scott B. | Tax withholding | 4,036 | $0.17 | 647,370 |
| 2026-05-25 | Dubois-Stringfellow Nathalie | Tax withholding | 4,036 | $0.17 | 328,733 |
| 2026-05-25 | Jain Nikunj | Tax withholding | 1,919 | $0.17 | 235,292 |
| 2026-05-25 | Davis Gregory D | Tax withholding | 1,630 | $0.17 | 113,654 |
| 2026-04-22 | Davis Gregory D | Open-market sale | 69,827 | $0.25 | 115,284 |
| 2026-04-21 | Dubois-Stringfellow Nathalie | Open-market sale | 345,942 | $0.26 | 332,769 |
| 2026-04-01 | Willoughby Scott B. | Grant / award (derivative) | 800,000 | $0.00 | 800,000 |
| 2026-04-01 | Macrae Sandy | Grant / award (derivative) | 2,500,000 | $0.00 | 2,500,000 |
| 2026-04-01 | Davis Gregory D | Grant / award (derivative) | 225,000 | $0.00 | 225,000 |
| 2026-04-01 | Jain Nikunj | Grant / award (derivative) | 225,000 | $0.00 | 225,000 |
| 2026-04-01 | Dubois-Stringfellow Nathalie | Grant / award (derivative) | 800,000 | $0.00 | 800,000 |
| 2026-02-25 | Davis Gregory D | Tax withholding | 5,119 | $0.47 | 185,111 |
| 2026-02-25 | Jain Nikunj | Tax withholding | 5,119 | $0.47 | 237,211 |
| 2026-02-25 | Willoughby Scott B. | Tax withholding | 12,354 | $0.47 | 651,406 |
| 2026-02-25 | Macrae Sandy | Tax withholding | 33,637 | $0.47 | 1,907,656 |
| 2026-02-25 | Dubois-Stringfellow Nathalie | Tax withholding | 12,354 | $0.47 | 678,711 |
| 2026-02-24 | Davis Gregory D | Tax withholding | 832 | $0.47 | 190,230 |
| 2026-02-24 | Jain Nikunj | Tax withholding | 666 | $0.47 | 242,330 |
| 2026-02-24 | Willoughby Scott B. | Tax withholding | 1,650 | $0.47 | 663,760 |
| 2026-02-24 | Macrae Sandy | Tax withholding | 5,291 | $0.47 | 1,941,293 |
| 2026-02-24 | Dubois-Stringfellow Nathalie | Tax withholding | 2,063 | $0.47 | 691,065 |
| 2026-01-22 | Dubois-Stringfellow Nathalie | Tax withholding | 36,676 | $0.40 | 693,128 |
| 2026-01-22 | Davis Gregory D | Tax withholding | 7,721 | $0.40 | 191,062 |
| 2026-01-22 | Macrae Sandy | Tax withholding | 102,950 | $0.40 | 1,946,584 |
| 2026-01-22 | Willoughby Scott B. | Tax withholding | 36,676 | $0.40 | 665,410 |
| 2026-01-22 | Duraibabu Prathyusha | Tax withholding | 36,676 | $0.40 | 660,042 |
| 2026-01-22 | Jain Nikunj | Tax withholding | 7,721 | $0.40 | 242,996 |
| 2025-11-24 | Davis Gregory D | Tax withholding | 723 | $0.42 | 193,791 |
| 2025-11-24 | Dubois-Stringfellow Nathalie | Tax withholding | 2,544 | $0.42 | 719,804 |
| 2025-11-24 | Duraibabu Prathyusha | Tax withholding | 2,544 | $0.42 | 696,718 |
| 2025-11-24 | Macrae Sandy | Tax withholding | 7,488 | $0.42 | 2,049,534 |
| 2025-11-24 | Willoughby Scott B. | Tax withholding | 2,035 | $0.42 | 702,086 |
| 2025-11-24 | Jain Nikunj | Tax withholding | 578 | $0.42 | 245,717 |
| 2025-10-22 | Davis Gregory D | Tax withholding | 6,708 | $0.66 | 194,514 |
| 2025-10-22 | Jain Nikunj | Tax withholding | 6,708 | $0.66 | 246,295 |
| 2025-10-22 | Duraibabu Prathyusha | Tax withholding | 45,225 | $0.66 | 699,262 |
| 2025-10-22 | Macrae Sandy | Tax withholding | 126,950 | $0.66 | 2,057,022 |
| 2025-10-22 | Willoughby Scott B. | Tax withholding | 44,122 | $0.66 | 704,121 |
| 2025-10-22 | Dubois-Stringfellow Nathalie | Tax withholding | 43,741 | $0.66 | 722,348 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.