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United States Biotechnology & Medical Research

Sangamo Therapeutics Inc (SGMO)

Track

Over the last 90 days, Sangamo Therapeutics Inc. has seen significant insider selling, with a net value of -$106,878. Executives have been net sellers, contributing to a negative net insider count. The total number of transactions is four, all of which were sales, reflecting a trend of divestment by insiders.
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Ticker: SGMO Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Davis Gregory D
Head of Research & Technology
1 sale — total 17,694 USD
Sale 22 Apr 2026
Value US$1,814,807.52 | Price 221.82 | Shares 64,483
Proposed sale 22 Apr 2026
Value US$2,934,796.72 | Price 132.05 | Shares 79,714
Sale 21 Apr 2026
Value US$89,183.85 | Price 0.26 | Shares 345,942
Proposed sale 6 Apr 2026
Value US$176,672.17 | Price 0.30 | Shares 588,711
Sale 26 Sep 2023
Value US$3,000,000.00 | Price 0.50 | Shares 6,000,000
Sale 30 Aug 2022
Value US$526,520.00 | Price 5.27 | Shares 100,000
Sale 29 Aug 2022
Value US$2,130,720.00 | Price 5.33 | Shares 400,000
Buy 3 Jun 2022
Value US$25,028.89 | Price 3.69 | Shares 6,784
Buy 1 Jun 2022
Value US$17,996.00 | Price 3.60 | Shares 5,000
Sale 9 Dec 2021
Value US$202,541.43 | Price 8.56 | Shares 23,660
Sale 8 Dec 2021
Value US$654,828.26 | Price 8.64 | Shares 75,814
Sale 7 Dec 2021
Value US$444,436.55 | Price 8.52 | Shares 52,178
Sale 2 Dec 2021
Value US$15,942.87 | Price 8.51 | Shares 1,874
Sale 1 Dec 2021
Value US$6,223.18 | Price 8.52 | Shares 730
Sale 26 Nov 2021
Value US$248,434.17 | Price 8.60 | Shares 28,884
Sale 23 Mar 2021
Value US$7,152.02 | Price 13.17 | Shares 543
Sale 23 Mar 2021
Value US$65,900.50 | Price 13.18 | Shares 5,000
Sale 23 Mar 2021
Value US$156,989.44 | Price 13.10 | Shares 11,981
Sale 31 Dec 2020
Value US$41,247.36 | Price 16.74 | Shares 2,464
Planned sale 24 Dec 2020
Value US$60,391.03 | Price 18.13 | Shares 3,331
Sale 17 Dec 2020
Value US$132,747.00 | Price 13.27 | Shares 10,000
Planned sale 19 Mar 2020
Value US$210,000.00 | Price 6.00 | Shares 35,000
Buy 18 Mar 2020
Value US$15,585.00 | Price 5.20 | Shares 3,000
Buy 17 Mar 2020
Value US$24,950.00 | Price 4.99 | Shares 5,000
Planned sale 16 Mar 2020
Value US$90,261.00 | Price 6.02 | Shares 15,000
Buy 13 Mar 2020
Value US$28,350.00 | Price 5.67 | Shares 5,000
Buy 12 Mar 2020
Value US$94,650.00 | Price 6.31 | Shares 15,000
Planned sale 15 May 2019
Value US$50,000.00 | Price 10.00 | Shares 5,000
Planned sale 15 Apr 2019
Value US$60,550.00 | Price 12.11 | Shares 5,000
Planned sale 15 Mar 2019
Value US$50,000.00 | Price 10.00 | Shares 5,000
Planned sale 1 Mar 2019
Value US$50,000.00 | Price 10.00 | Shares 5,000
Planned sale 15 Jan 2019
Value US$55,200.00 | Price 11.04 | Shares 5,000
Planned sale 7 Jan 2019
Value US$61,630.50 | Price 12.33 | Shares 5,000
Planned sale 17 Dec 2018
Value US$57,200.00 | Price 11.44 | Shares 5,000
Planned sale 6 Dec 2018
Value US$57,433.00 | Price 11.49 | Shares 5,000
Planned sale 15 Nov 2018
Value US$50,000.00 | Price 10.00 | Shares 5,000
Buy 14 Nov 2018
Value US$18,001.60 | Price 9.00 | Shares 2,000
Planned sale 6 Nov 2018
Value US$68,650.00 | Price 13.73 | Shares 5,000
Planned sale 15 Oct 2018
Value US$69,850.00 | Price 13.97 | Shares 5,000
Planned sale 8 Oct 2018
Value US$72,773.50 | Price 14.55 | Shares 5,000
Planned sale 17 Sep 2018
Value US$73,284.50 | Price 14.66 | Shares 5,000
Buy 7 Sep 2018
Value US$27,040.00 | Price 13.52 | Shares 2,000
Buy 7 Sep 2018
Value US$100,486.56 | Price 13.56 | Shares 7,408
Planned sale 6 Sep 2018
Value US$70,845.00 | Price 14.17 | Shares 5,000
Planned sale 16 Aug 2018
Value US$76,951.50 | Price 15.39 | Shares 5,000
Planned sale 6 Aug 2018
Value US$67,250.00 | Price 13.45 | Shares 5,000
Planned sale 16 Jul 2018
Value US$73,860.00 | Price 14.77 | Shares 5,000
Planned sale 6 Jul 2018
Value US$78,975.00 | Price 15.80 | Shares 5,000
Planned sale 15 Jun 2018
Value US$78,365.00 | Price 15.67 | Shares 5,000
Planned sale 6 Jun 2018
Value US$83,350.00 | Price 16.67 | Shares 5,000
Planned sale 15 May 2018
Value US$76,920.00 | Price 15.38 | Shares 5,000
Planned sale 7 May 2018
Value US$81,814.00 | Price 16.36 | Shares 5,000
Planned sale 16 Apr 2018
Value US$99,144.00 | Price 19.83 | Shares 5,000
Planned sale 13 Apr 2018
Value US$163,260.00 | Price 20.00 | Shares 8,163
Planned sale 6 Apr 2018
Value US$87,065.00 | Price 17.41 | Shares 5,000
Planned sale 2 Apr 2018
Value US$1,890.00 | Price 18.90 | Shares 100
Planned sale 2 Apr 2018
Value US$130,868.33 | Price 18.39 | Shares 7,115
Planned sale 2 Apr 2018
Value US$41,683.76 | Price 18.30 | Shares 2,278
Planned sale 15 Mar 2018
Value US$127,812.00 | Price 25.56 | Shares 5,000
Planned sale 6 Mar 2018
Value US$123,877.50 | Price 24.78 | Shares 5,000
Planned sale 1 Mar 2018
Value US$219,546.47 | Price 23.27 | Shares 9,433
Planned sale 1 Mar 2018
Value US$345,861.00 | Price 23.06 | Shares 15,000
Sale 26 Feb 2018
Value US$235,080.09 | Price 24.88 | Shares 9,450
Planned sale 6 Feb 2018
Value US$92,435.50 | Price 18.49 | Shares 5,000
Planned sale 1 Feb 2018
Value US$308,854.50 | Price 20.59 | Shares 15,000
Planned sale 1 Feb 2018
Value US$237,158.78 | Price 20.59 | Shares 11,520
Planned sale 8 Jan 2018
Value US$85,545.00 | Price 17.11 | Shares 5,000
Planned sale 3 Jan 2018
Value US$144,869.30 | Price 18.05 | Shares 8,026
Planned sale 2 Jan 2018
Value US$114,024.90 | Price 16.35 | Shares 6,974
Planned sale 6 Dec 2017
Value US$81,200.00 | Price 16.24 | Shares 5,000
Planned sale 4 Dec 2017
Value US$212,454.00 | Price 18.00 | Shares 11,803
Planned sale 1 Dec 2017
Value US$53,389.90 | Price 16.70 | Shares 3,197
Planned sale 30 Nov 2017
Value US$214,928.00 | Price 16.00 | Shares 13,433
Sale 17 Nov 2017
Value US$73,339.00 | Price 14.67 | Shares 5,000
Planned sale 2 Oct 2017
Value US$60,064.00 | Price 16.00 | Shares 3,754
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-04-23 2026-04-22 S Sale
Davis Gregory D

Head of Research & Technology

Officer
64,483 +18.9%
221.82
US$1,814,808 		64,483 +18.9% 221.82 US$1,814,808
2026-04-22 2026-04-22 PrS Proposed sale
GREGORY D DAVIS

Officer

Officer
79,714
132.05
US$2,934,797 		79,714 132.05 US$2,934,797
2026-04-23 2026-04-21 S Sale
Dubois-Stringfellow Nathalie

SVP-CHIEF DEVELOPMENT OFFICER

Officer
35,027 +41.5%
406.47
US$3,234,582 		35,027 +41.5% 406.47 US$3,234,582
2026-04-06 2026-04-06 PrS Proposed sale
Nathalie Dubois-Stringfellow

Officer

Officer
588,711
0.30
US$176,672 		588,711 0.30 US$176,672
2023-09-28 2023-09-26 S Sale
3.9
BIOGEN INC.
Large shareholder
6,000,000 -25.4%
0.50
US$3,000,000 		6,000,000 -25.4% 0.50 US$3,000,000
2022-08-31 2022-08-30 S Sale
3.9
BIOGEN INC.
Large shareholder
100,000 -0.4%
5.27
US$526,520 		100,000 -0.4% 5.27 US$526,520
2022-08-31 2022-08-29 S Sale
3.9
BIOGEN INC.
Large shareholder
400,000 -1.7%
5.33
US$2,130,720 		400,000 -1.7% 5.33 US$2,130,720
2022-06-06 2022-06-03 B Purchase
3.3
Markels John
Non-Executive Director
6,784 +26.4%
3.69
US$25,029 		6,784 +26.4% 3.69 US$25,029
2022-06-03 2022-06-01 B Purchase
4.0
PARKER H STEWART
Non-Executive Director
5,000 +11.4%
3.60
US$17,996 		5,000 +11.4% 3.60 US$17,996
2021-12-10 2021-12-09 S Sale
3.9
BIOGEN INC.
Large shareholder
23,660 -0.1%
8.56
US$202,541 		23,660 -0.1% 8.56 US$202,541
2021-12-09 2021-12-08 S Sale
3.9
BIOGEN INC.
Large shareholder
75,814 -0.3%
8.64
US$654,828 		75,814 -0.3% 8.64 US$654,828
2021-12-09 2021-12-07 S Sale
3.9
BIOGEN INC.
Large shareholder
52,178 -0.2%
8.52
US$444,437 		52,178 -0.2% 8.52 US$444,437
2021-12-03 2021-12-02 S Sale
3.9
BIOGEN INC.
Large shareholder
1,874 -0.0%
8.51
US$15,943 		1,874 -0.0% 8.51 US$15,943
2021-12-03 2021-12-01 S Sale
3.9
BIOGEN INC.
Large shareholder
730 -0.0%
8.52
US$6,223 		730 -0.0% 8.52 US$6,223
2021-11-30 2021-11-26 S Sale
3.9
BIOGEN INC.
Large shareholder
28,884 -0.1%
8.60
US$248,434 		28,884 -0.1% 8.60 US$248,434
2021-03-25 2021-03-23 S Sale
3.1
LOEB GARY

EVP, General Counsel & Sec.

Officer
543 -0.6%
13.17
US$7,152 		543 -0.6% 13.17 US$7,152
2021-03-25 2021-03-23 S Sale
3.1
LOEB GARY

EVP, General Counsel & Sec.

Officer
5,000 -5.6%
13.18
US$65,900 		5,000 -5.6% 13.18 US$65,900
2021-03-25 2021-03-23 S Sale
3.1
LOEB GARY

EVP, General Counsel & Sec.

Officer
11,981 -11.9%
13.10
US$156,989 		11,981 -11.9% 13.10 US$156,989
2021-01-06 2020-12-31 S Sale
3.2
Ramelmeier Rolf Andrew

EVP, Technical Operations

Officer
2,464 -3.6%
16.74
US$41,247 		2,464 -3.6% 16.74 US$41,247
2020-12-30 2020-12-24 PlS Planned sale
3.2
Ramelmeier Rolf Andrew

EVP, Technical Operations

Officer
3,331 -4.6%
18.13
US$60,391 		3,331 -4.6% 18.13 US$60,391
2020-12-18 2020-12-17 S Sale
1.8
Ramasastry Saira
Non-Executive Director
10,000 -40.0%
13.27
US$132,747 		10,000 -40.0% 13.27 US$132,747
2020-03-20 2020-03-19 PlS Planned sale
4.1
DILLY STEPHEN GEORGE
Non-Executive Director
35,000 -87.5%
6.00
US$210,000 		35,000 -87.5% 6.00 US$210,000
2020-03-19 2020-03-18 B Purchase
4.0
PARKER H STEWART
Non-Executive Director
3,000 +30.0%
5.20
US$15,585 		3,000 +30.0% 5.20 US$15,585
2020-03-19 2020-03-17 B Purchase
4.3
Zakrzewski Joseph S
Non-Executive Director
5,000 +20.0%
4.99
US$24,950 		5,000 +20.0% 4.99 US$24,950
2020-03-18 2020-03-16 PlS Planned sale
4.1
DILLY STEPHEN GEORGE
Non-Executive Director
15,000 -75.0%
6.02
US$90,261 		15,000 -75.0% 6.02 US$90,261
2020-03-13 2020-03-13 B Purchase
4.3
Zakrzewski Joseph S
Non-Executive Director
5,000 +25.0%
5.67
US$28,350 		5,000 +25.0% 5.67 US$28,350
2020-03-13 2020-03-12 B Purchase
4.3
Zakrzewski Joseph S
Non-Executive Director
15,000 +300.0%
6.31
US$94,650 		15,000 +300.0% 6.31 US$94,650
2019-05-17 2019-05-15 PlS Planned sale
Yi Kathy

EVP & Chief Financial Officer

Officer
5,000 -16.4%
10.00
US$50,000 		5,000 -16.4% 10.00 US$50,000
2019-04-16 2019-04-15 PlS Planned sale
Yi Kathy

EVP & Chief Financial Officer
5,000 -16.4%
12.11
US$60,550 		5,000 -16.4% 12.11 US$60,550
2019-03-18 2019-03-15 PlS Planned sale
Yi Kathy

EVP & Chief Financial Officer

Officer
5,000 -16.4%
10.00
US$50,000 		5,000 -16.4% 10.00 US$50,000
2019-03-05 2019-03-01 PlS Planned sale
Yi Kathy

EVP & Chief Financial Officer

Officer
5,000 -16.4%
10.00
US$50,000 		5,000 -16.4% 10.00 US$50,000
2019-01-16 2019-01-15 PlS Planned sale
Yi Kathy

SVP & Chief Financial Officer

Officer
5,000 -40.8%
11.04
US$55,200 		5,000 -40.8% 11.04 US$55,200
2019-01-08 2019-01-07 PlS Planned sale
Conner Edward R.

Sr. VP & Chief Medical Officer

Officer
5,000 -29.2%
12.33
US$61,630 		5,000 -29.2% 12.33 US$61,630
2018-12-18 2018-12-17 PlS Planned sale Yi Kathy

SVP & Chief Financial Officer

Officer
5,000 -40.8%
11.44
US$57,200 		5,000 -40.8% 11.44 US$57,200
2018-12-07 2018-12-06 PlS Planned sale Conner Edward R.

Sr. VP & Chief Medical Officer

Officer
5,000 -29.2%
11.49
US$57,433 		5,000 -29.2% 11.49 US$57,433
2018-11-16 2018-11-15 PlS Planned sale Yi Kathy

SVP & Chief Financial Officer

Officer
5,000 -40.8%
10.00
US$50,000 		5,000 -40.8% 10.00 US$50,000
2018-11-15 2018-11-14 B Purchase PARKER H STEWART Non-Executive Director
2,000 +36.4%
9.00
US$18,002 		2,000 +36.4% 9.00 US$18,002
2018-11-07 2018-11-06 PlS Planned sale Conner Edward R.

Sr. VP & Chief Medical Officer

Officer
5,000 -29.2%
13.73
US$68,650 		5,000 -29.2% 13.73 US$68,650
2018-10-16 2018-10-15 PlS Planned sale Yi Kathy

SVP & Chief Financial Officer

Officer
5,000 -40.8%
13.97
US$69,850 		5,000 -40.8% 13.97 US$69,850
2018-10-09 2018-10-08 PlS Planned sale Conner Edward R.

Sr. VP & Chief Medical Officer

Officer
5,000 -33.1%
14.55
US$72,774 		5,000 -33.1% 14.55 US$72,774
2018-09-18 2018-09-17 PlS Planned sale Yi Kathy

SVP & Chief Financial Officer

Officer
5,000 -40.8%
14.66
US$73,284 		5,000 -40.8% 14.66 US$73,284
2018-09-07 2018-09-07 B Purchase PARKER H STEWART Non-Executive Director
2,000 +57.1%
13.52
US$27,040 		2,000 +57.1% 13.52 US$27,040
2018-09-07 2018-09-07 B Purchase JEFFS ROGER Non-Executive Director
7,408 +296.3%
13.56
US$100,487 		7,408 +296.3% 13.56 US$100,487
2018-09-07 2018-09-06 PlS Planned sale Conner Edward R.

Sr. VP & Chief Medical Officer

Officer
5,000 -33.1%
14.17
US$70,845 		5,000 -33.1% 14.17 US$70,845
2018-08-17 2018-08-16 PlS Planned sale Yi Kathy

SVP & Chief Financial Officer

Officer
5,000 -40.8%
15.39
US$76,952 		5,000 -40.8% 15.39 US$76,952
2018-08-07 2018-08-06 PlS Planned sale Conner Edward R.

Sr. VP & Chief Medical Officer

Officer
5,000 -33.1%
13.45
US$67,250 		5,000 -33.1% 13.45 US$67,250
2018-07-17 2018-07-16 PlS Planned sale Yi Kathy

SVP & Chief Financial Officer

Officer
5,000 -40.8%
14.77
US$73,860 		5,000 -40.8% 14.77 US$73,860
2018-07-09 2018-07-06 PlS Planned sale Conner Edward R.

Sr. VP & Chief Medical Officer

Officer
5,000 -33.1%
15.80
US$78,975 		5,000 -33.1% 15.80 US$78,975
2018-06-15 2018-06-15 PlS Planned sale Yi Kathy

SVP & Chief Financial Officer
5,000 -40.8%
15.67
US$78,365 		5,000 -40.8% 15.67 US$78,365
2018-06-07 2018-06-06 PlS Planned sale Conner Edward R.

Sr. VP & Chief Medical Officer
5,000 -33.1%
16.67
US$83,350 		5,000 -33.1% 16.67 US$83,350
2018-05-16 2018-05-15 PlS Planned sale Yi Kathy

SVP & Chief Financial Officer

Officer
5,000 -40.8%
15.38
US$76,920 		5,000 -40.8% 15.38 US$76,920
2018-05-09 2018-05-07 PlS Planned sale Conner Edward R.

Sr. VP & Chief Medical Officer

Officer
5,000 -33.1%
16.36
US$81,814 		5,000 -33.1% 16.36 US$81,814
2018-04-18 2018-04-16 PlS Planned sale Yi Kathy

SVP & Chief Financial Officer
5,000 -40.8%
19.83
US$99,144 		5,000 -40.8% 19.83 US$99,144
2018-04-17 2018-04-13 PlS Planned sale Herberts Curt A. III

Sr.VP & Chief Business Officer
8,163 -35.8%
20.00
US$163,260 		8,163 -35.8% 20.00 US$163,260
2018-04-09 2018-04-06 PlS Planned sale Conner Edward R.

Sr. VP & Chief Medical Officer
5,000 -38.1%
17.41
US$87,065 		5,000 -38.1% 17.41 US$87,065
2018-04-04 2018-04-02 PlS Planned sale Mento Steven J
100 -0.8%
18.90
US$1,890 		100 -0.8% 18.90 US$1,890
2018-04-04 2018-04-02 PlS Planned sale Mento Steven J
7,115 -37.4%
18.39
US$130,868 		7,115 -37.4% 18.39 US$130,868
2018-04-04 2018-04-02 PlS Planned sale Herberts Curt A. III

Sr.VP & Chief Business Officer
2,278 -13.5%
18.30
US$41,684 		2,278 -13.5% 18.30 US$41,684
2018-03-16 2018-03-15 PlS Planned sale Yi Kathy

SVP & Chief Financial Officer
5,000 -40.8%
25.56
US$127,812 		5,000 -40.8% 25.56 US$127,812
2018-03-07 2018-03-06 PlS Planned sale Conner Edward R.

Sr. VP & Chief Medical Officer

Officer
5,000 -38.1%
24.78
US$123,878 		5,000 -38.1% 24.78 US$123,878
2018-03-05 2018-03-01 PlS Planned sale Mento Steven J
9,433 -51.0%
23.27
US$219,546 		9,433 -51.0% 23.27 US$219,546
2018-03-05 2018-03-01 PlS Planned sale Herberts Curt A. III

Sr.VP & Chief Business Officer

Officer
15,000 -50.6%
23.06
US$345,861 		15,000 -50.6% 23.06 US$345,861
2018-02-27 2018-02-26 S Sale Ramasastry Saira Non-Executive Director
9,450 -100.0%
24.88
US$235,080 		9,450 -100.0% 24.88 US$235,080
2018-02-07 2018-02-06 PlS Planned sale Conner Edward R.

Sr. VP & Chief Medical Officer

Officer
5,000 -38.1%
18.49
US$92,436 		5,000 -38.1% 18.49 US$92,436
2018-02-05 2018-02-01 PlS Planned sale Herberts Curt A. III

Sr.VP & Chief Business Officer

Officer
15,000 -50.6%
20.59
US$308,854 		15,000 -50.6% 20.59 US$308,854
2018-02-05 2018-02-01 PlS Planned sale Mento Steven J Non-Executive Director
11,520 -76.8%
20.59
US$237,159 		11,520 -76.8% 20.59 US$237,159
2018-01-10 2018-01-08 PlS Planned sale Conner Edward R.

Sr. VP & Chief Medical Officer

Officer
5,000 -71.4%
17.11
US$85,545 		5,000 -71.4% 17.11 US$85,545
2018-01-04 2018-01-03 PlS Planned sale Herberts Curt A. III

Sr.VP & Chief Business Officer

Officer
8,026 -56.2%
18.05
US$144,869 		8,026 -56.2% 18.05 US$144,869
2018-01-04 2018-01-02 PlS Planned sale Herberts Curt A. III

Sr.VP & Chief Business Officer

Officer
6,974 -52.7%
16.35
US$114,025 		6,974 -52.7% 16.35 US$114,025
2017-12-08 2017-12-06 PlS Planned sale Conner Edward R.

Sr. VP & Chief Medical Officer
5,000 -100.0%
16.24
US$81,200 		5,000 -100.0% 16.24 US$81,200
2017-12-06 2017-12-04 PlS Planned sale Herberts Curt A. III

Sr.VP & Chief Business Officer
11,803 -42.7%
18.00
US$212,454 		11,803 -42.7% 18.00 US$212,454
2017-12-04 2017-12-01 PlS Planned sale Herberts Curt A. III

Sr.VP & Chief Business Officer
3,197 -16.8%
16.70
US$53,390 		3,197 -16.8% 16.70 US$53,390
2017-12-04 2017-11-30 PlS Planned sale Herberts Curt A. III

Sr.VP & Chief Business Officer
13,433 -43.0%
16.00
US$214,928 		13,433 -43.0% 16.00 US$214,928
2017-11-21 2017-11-17 S Sale Ramasastry Saira
5,000 -100.0%
14.67
US$73,339 		5,000 -100.0% 14.67 US$73,339
2017-10-04 2017-10-02 PlS Planned sale Herberts Curt A. III

Sr.VP & Chief Business Officer
3,754 -19.2%
16.00
US$60,064 		3,754 -19.2% 16.00 US$60,064
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