Stock chart
Ticker: MGTA Exchange: NMS


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Earnings
Earnings
 
Value bought

Past 90 days

 
Value sold

Past 90 days

 
Net insiders buying

Past 90 days

 
Trades (buy and sell)

Past 90 days

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned 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
2023-10-03 2023-09-29 B Purchase

Fairmount Funds Management LLC

Non-Executive Director Large shareholder
24,670 +1.3%
13.63
USD 336,252
24,670 +1.3% 13.63 USD 336,252
2023-09-28 2023-09-26 B Purchase

Fairmount Funds Management LLC

Non-Executive Director Large shareholder
30,000 +1.6%
13.15
USD 394,500
30,000 +1.6% 13.15 USD 394,500
2023-09-25 2023-09-22 B Purchase

Randhawa Simrat

Chief Medical Officer

Officer
2,000 +100.0%
13.20
USD 26,400
2,000 +100.0% 13.20 USD 26,400
2023-09-25 2023-09-21 B Purchase

Randhawa Simrat

Chief Medical Officer

Officer
2,000 +inf%
13.20
USD 26,400
2,000 +inf% 13.20 USD 26,400
2023-09-21 2023-09-19 B Purchase

Fairmount Funds Management LLC

Non-Executive Director Large shareholder
30,000 +1.6%
13.20
USD 396,000
30,000 +1.6% 13.20 USD 396,000
2023-09-13 2023-09-13 B Purchase

Fairmount Funds Management LLC

Non-Executive Director Large shareholder
9,367 +0.5%
11.76
USD 110,156
9,367 +0.5% 11.76 USD 110,156
2023-09-13 2023-09-12 B Purchase

Fairmount Funds Management LLC

Non-Executive Director Large shareholder
14,887 +0.8%
10.85
USD 161,524
14,887 +0.8% 10.85 USD 161,524
2023-02-09 2023-02-08 S Sale

Third Rock Ventures IV, L.P.

Large shareholder
1,500,000 -32.9%
0.82
USD 1,230,000
1,500,000 -32.9% 0.82 USD 1,230,000
2023-02-09 2023-02-07 S Sale

Third Rock Ventures IV, L.P.

Large shareholder
2,200,000 -32.6%
0.83
USD 1,826,000
2,200,000 -32.6% 0.83 USD 1,826,000
2020-07-01 2020-06-29 B Purchase

Booth Bruce

Non-Executive Director
1,250,000 +inf%
8.00
USD 10,000,000
1,250,000 +inf% 8.00 USD 10,000,000
2020-01-10 2020-01-10 PS Planned sale

GARDNER JASON

See Remarks

11,200 -4.3%
15.25
USD 170,800
11,200 -4.3% 15.25 USD 170,800
2020-01-03 2020-01-02 PS Planned sale

GARDNER JASON

See Remarks

2,800 -1.1%
15.10
USD 42,280
2,800 -1.1% 15.10 USD 42,280
2020-01-03 2020-01-02 PS Planned sale

DAVIS JOHN C. JR

Chief Medical Officer

11,294 -57.6%
15.04
USD 169,817
11,294 -57.6% 15.04 USD 169,817
2019-12-26 2019-12-24 PS Planned sale

ISACSON CHRISTINA K.

Chief Business Officer

4,463 -5.1%
16.01
USD 71,453
4,463 -5.1% 16.01 USD 71,453
2019-12-26 2019-12-24 PS Planned sale

ZDRAVESKI ZORAN

See Remarks

7,902 -5.8%
16.00
USD 126,432
7,902 -5.8% 16.00 USD 126,432
2019-12-26 2019-12-23 PS Planned sale

ZDRAVESKI ZORAN

See Remarks

4,181 -3.0%
16.03
USD 67,021
4,181 -3.0% 16.03 USD 67,021
2019-12-26 2019-12-23 PS Planned sale

ISACSON CHRISTINA K.

Chief Business Officer

9,867 -10.1%
16.03
USD 158,168
9,867 -10.1% 16.03 USD 158,168
2019-12-23 2019-12-23 PS Planned sale

GARDNER JASON

See Remarks

2,897 -1.1%
15.10
USD 43,755
2,897 -1.1% 15.10 USD 43,755
2019-12-20 2019-12-20 PS Planned sale

GARDNER JASON

See Remarks

76,711 -22.2%
15.16
USD 1,162,617
76,711 -22.2% 15.16 USD 1,162,617
2019-12-20 2019-12-20 PS Planned sale

DAVIS JOHN C. JR

Chief Medical Officer

919 -10.0%
15.00
USD 13,785
919 -10.0% 15.00 USD 13,785
2019-12-13 2019-12-10 PS Planned sale

GARDNER JASON

See Remarks

4,392 -1.3%
15.10
USD 66,319
4,392 -1.3% 15.10 USD 66,319
2019-12-11 2019-12-10 PS Planned sale

DAVIS JOHN C. JR

Chief Medical Officer

17,055 -67.3%
15.00
USD 255,825
17,055 -67.3% 15.00 USD 255,825
2019-12-11 2019-12-09 PS Planned sale

DAVIS JOHN C. JR

Chief Medical Officer

4,614 -35.7%
15.00
USD 69,210
4,614 -35.7% 15.00 USD 69,210
2019-12-02 2019-12-02 S Sale

COOKE MICHAEL P.

Chief Scientific Officer

2,500 -1.0%
13.21
USD 33,036
2,500 -1.0% 13.21 USD 33,036
2019-12-02 2019-12-02 S Sale

COOKE MICHAEL P.

Chief Scientific Officer

1,373 -0.6%
13.31
USD 18,279
1,373 -0.6% 13.31 USD 18,279
2019-12-02 2019-12-02 S Sale

COOKE MICHAEL P.

Chief Scientific Officer

3,627 -1.5%
12.74
USD 46,205
3,627 -1.5% 12.74 USD 46,205
2019-11-25 2019-11-20 S Sale

COOKE MICHAEL P.

Chief Scientific Officer

5,000 -2.0%
12.00
USD 60,000
5,000 -2.0% 12.00 USD 60,000
2019-11-01 2019-11-01 S Sale

COOKE MICHAEL P.

Chief Scientific Officer

5,000 -1.9%
10.67
USD 53,334
5,000 -1.9% 10.67 USD 53,334
2019-10-03 2019-10-01 S Sale

COOKE MICHAEL P.

Chief Scientific Officer

5,000 -1.9%
10.01
USD 50,064
5,000 -1.9% 10.01 USD 50,064
2019-09-19 2019-09-19 PS Planned sale

COOKE MICHAEL P.

Chief Scientific Officer

1,656 -0.6%
12.00
USD 19,872
1,656 -0.6% 12.00 USD 19,872
2019-09-16 2019-09-12 PS Planned sale

COOKE MICHAEL P.

Chief Scientific Officer

844 -0.3%
12.00
USD 10,128
844 -0.3% 12.00 USD 10,128
2019-09-04 2019-09-03 PS Planned sale

COOKE MICHAEL P.

Chief Scientific Officer

5,000 -1.8%
10.11
USD 50,531
5,000 -1.8% 10.11 USD 50,531
2019-08-01 2019-08-01 PS Planned sale

COOKE MICHAEL P.

Chief Scientific Officer

2,500 -0.9%
13.41
USD 33,523
2,500 -0.9% 13.41 USD 33,523
2019-08-01 2019-08-01 PS Planned sale

COOKE MICHAEL P.

Chief Scientific Officer

5,000 -1.8%
13.42
USD 67,109
5,000 -1.8% 13.42 USD 67,109
2019-07-02 2019-07-01 PS Planned sale

COOKE MICHAEL P.

Chief Scientific Officer

2,500 -0.9%
14.42
USD 36,051
2,500 -0.9% 14.42 USD 36,051
2019-07-02 2019-07-01 PS Planned sale

COOKE MICHAEL P.

Chief Scientific Officer

5,000 -1.8%
14.39
USD 71,933
5,000 -1.8% 14.39 USD 71,933
2019-06-24 2019-06-21 PS Planned sale

ISACSON CHRISTINA K.

Chief Business Officer

5,415 -5.2%
16.07
USD 87,019
5,415 -5.2% 16.07 USD 87,019
2019-06-24 2019-06-21 PS Planned sale

GARDNER JASON

See Remarks

12,331 -3.4%
15.11
USD 186,321
12,331 -3.4% 15.11 USD 186,321
2019-06-24 2019-06-20 PS Planned sale

GARDNER JASON

See Remarks

1,669 -0.5%
15.10
USD 25,202
1,669 -0.5% 15.10 USD 25,202
2019-06-18 2019-06-17 PS Planned sale

COOKE MICHAEL P.

Chief Scientific Officer

7,500 -2.6%
13.90
USD 104,267
7,500 -2.6% 13.90 USD 104,267
2019-03-22 2019-03-20 S Sale

Booth Bruce

14,245 -100.0%
17.86
USD 254,416
14,245 -100.0% 17.86 USD 254,416
2019-03-22 2019-03-20 S Sale

Atlas Venture Fund X, L.P.

Large shareholder
14,245 -100.0%
17.86
USD 254,416
14,245 -100.0% 17.86 USD 254,416
2018-06-27 2018-06-25 B Purchase

GARDNER JASON

See Remarks

Executive Director
400 +0.1%
15.00
USD 6,000
400 +0.1% 15.00 USD 6,000
2018-06-27 2018-06-25 B Purchase

Scadden David

Non-Executive Director
6,600 +3.0%
15.00
USD 99,000
6,600 +3.0% 15.00 USD 99,000
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