United States Biotechnology & Medical Research

aTyr Pharma Inc (ATYR)

Track

Track

The most recent insider trading activity at aTyr Pharma occurred on May 27, 2026, involving a purchase of 100,000 shares. Prior to this, executives executed multiple sales in February 2026. These transactions reflect varied patterns of equity movement by company leadership over the past year, with significant buying interest observed from Paul Schimmel.
Ticker: ATYR Exchange: NAS
Preparing chart...
Download chart Copy chart image Copy link Share to X Share


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Upgrade for signal details

Upgrade to see score, net flow, insiders and context.

Upgrade to see full signal details →

Insider trades have triggered activity signals for aTyr Pharma Inc. Upgrade to see score, net flow, insiders and the full signal context.

Open in Activity Signals screener →
Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
1.6
SCHIMMEL PAUL Non-Executive Director
Transaction date
Purchase
Price
331.31
Quantity 77,855 -7.7%
Value US$4,096,121
3.1
Shukla Sanjay President and CEO Executive Director
Transaction date
Sale
Price
269.35
Quantity 65,774 +24.2%
Value US$3,033,909
2.7
Broadfoot Jill Marie Chief Financial Officer Officer
Transaction date
Sale
Price
99.04
Quantity 73,747 -2.5%
Value US$25,993
DENYES NANCY General Counsel Officer
Transaction date
Sale
Price
0.98
Quantity 1,118 -3.3%
Value US$1,091
3.1
Shukla Sanjay President and CEO Executive Director
Transaction date
Sale
Price
0.98
Quantity 3,745 -2.4%
Value US$3,655
2.7
Broadfoot Jill Marie Chief Financial Officer Officer
Transaction date
Sale
Price
0.98
Quantity 1,558 -4.0%
Value US$1,521
DENYES NANCY General Counsel Officer
Transaction date
Sale
Price
0.98
Quantity 1,118 -3.3%
Value US$1,091
1.6
SCHIMMEL PAUL Non-Executive Director
Transaction date
Purchase
Price
0.94
Quantity 317,999 +29.0%
Value US$299,364
1.6
SCHIMMEL PAUL Non-Executive Director
Transaction date
Purchase
Price
0.90
Quantity 682,001 +165.1%
Value US$612,437
Gross Jane A Non-Executive Director
Transaction date
Purchase
Price
4.00
Quantity 3,750 +62.5%
Value US$15,000
2.7
Broadfoot Jill Marie Chief Financial Officer Officer
Transaction date
Sale
Price
3.78
Quantity 1,254 -3.8%
Value US$4,740
DENYES NANCY General Counsel Officer
Transaction date
Sale
Price
3.78
Quantity 899 -3.3%
Value US$3,398
1.6
SCHIMMEL PAUL Non-Executive Director
Transaction date
Purchase
Price
1.93
Quantity 52,300 +14.5%
Value US$101,038
1.6
SCHIMMEL PAUL Non-Executive Director
Transaction date
Purchase
Price
1.82
Quantity 6,648 +1.9%
Value US$12,075
1.6
SCHIMMEL PAUL Non-Executive Director
Transaction date
Purchase
Price
1.74
Quantity 41,052 +13.1%
Value US$71,500
DENYES NANCY General Counsel Officer
Transaction date
Purchase
Price
1.86
Quantity 5,000 +29.0%
Value US$9,276
2.7
Broadfoot Jill Marie Chief Financial Officer Officer
Transaction date
Purchase
Price
1.79
Quantity 5,000 +21.8%
Value US$8,950
3.1
Shukla Sanjay President and CEO Executive Director
Transaction date
Purchase
Price
1.81
Quantity 20,000 +17.2%
Value US$36,140
1.2
COUGHLIN TIMOTHY Non-Executive Director
Transaction date
Purchase
Price
1.75
Quantity 50,000 +833.3%
Value US$87,500
2.7
Broadfoot Jill Marie Chief Financial Officer Officer
Transaction date
Sale
Price
1.69
Quantity 1,590 -7.1%
Value US$2,687
3.1
Shukla Sanjay President and CEO Executive Director
Transaction date
Purchase
Price
1.18
Quantity 12,000 +12.7%
Value US$14,136
3.1
Shukla Sanjay President and CEO Executive Director
Transaction date
Purchase
Price
1.17
Quantity 3,000 +3.3%
Value US$3,510
3.1
Shukla Sanjay President and CEO Executive Director
Transaction date
Purchase
Price
1.11
Quantity 13,578 +17.5%
Value US$15,085
3.1
Shukla Sanjay President and CEO Executive Director
Transaction date
Purchase
Price
1.14
Quantity 1,422 +1.9%
Value US$1,618
3.1
Shukla Sanjay President and CEO Executive Director
Transaction date
Purchase
Price
2.01
Quantity 15,000 +24.5%
Value US$30,224
1.6
SCHIMMEL PAUL Non-Executive Director
Transaction date
Purchase
Price
2.25
Quantity 200,000 +177.0%
Value US$450,000
2.7
Broadfoot Jill Marie Chief Financial Officer Officer
Transaction date
Sale
Price
2.36
Quantity 1,566 -9.2%
Value US$3,696
3.1
Shukla Sanjay President and CEO Executive Director
Transaction date
Purchase
Price
2.14
Quantity 10,000 +24.5%
Value US$21,405
3.1
Shukla Sanjay President and CEO Executive Director
Transaction date
Purchase
Price
2.88
Quantity 15,000 +58.1%
Value US$43,164
2.7
Broadfoot Jill Marie Chief Financial Officer Officer
Transaction date
Planned purchase
Price
6.75
Quantity 1,923 +18.9%
Value US$12,980
3.1
Shukla Sanjay President and CEO Executive Director
Transaction date
Purchase
Price
6.76
Quantity 5,000 +24.0%
Value US$33,806
3.1
Shukla Sanjay President and CEO Executive Director
Transaction date
Purchase
Price
8.58
Quantity 2,500 +13.7%
Value US$21,438
2.9
CLARKE JOHN K Non-Executive Director
Transaction date
Sale
Price
4.34
Quantity 2,500 -2.3%
Value US$10,850
1.6
SCHIMMEL PAUL Non-Executive Director
Transaction date
Purchase
Price
3.98
Quantity 50,000 +79.3%
Value US$199,000
3.1
Shukla Sanjay President and CEO Executive Director
Transaction date
Purchase
Price
4.01
Quantity 10,000 +120.5%
Value US$40,100
3.1
Shukla Sanjay President and CEO Executive Director
Transaction date
Sale
Price
7.66
Quantity 778 -8.6%
Value US$5,959
2.7
Broadfoot Jill Marie Chief Financial Officer Officer
Transaction date
Sale
Price
7.66
Quantity 390 -3.8%
Value US$2,987
2.9
CLARKE JOHN K Non-Executive Director
Transaction date
Sale
Price
4.01
Quantity 7,260 -6.2%
Value US$29,113
2.9
CLARKE JOHN K Non-Executive Director
Transaction date
Sale
Price
4.00
Quantity 100 -0.1%
Value US$400
2.9
CLARKE JOHN K Non-Executive Director
Transaction date
Sale
Price
4.09
Quantity 5,440 -4.4%
Value US$22,250
2.9
CLARKE JOHN K Non-Executive Director
Transaction date
Sale
Price
4.30
Quantity 2,200 -1.8%
Value US$9,451
2.7
Broadfoot Jill Marie Chief Financial Officer Officer
Transaction date
Purchase
Price
4.22
Quantity 1,850 +25.3%
Value US$7,807
3.1
Shukla Sanjay President and CEO Executive Director
Transaction date
Purchase
Price
4.27
Quantity 6,000 +464.8%
Value US$25,620
DENYES NANCY General Counsel Officer
Transaction date
Planned sale
Price
3.62
Quantity 322 -10.5%
Value US$1,166
1.6
SCHIMMEL PAUL Non-Executive Director
Transaction date
Sale
Price
3.64
Quantity 8,447 -1.9%
Value US$30,739
1.6
SCHIMMEL PAUL Non-Executive Director
Transaction date
Purchase
Price
4.25
Quantity 254,000 +138.4%
Value US$1,079,500
2.7
Broadfoot Jill Marie Chief Financial Officer Officer
Transaction date
Sale
Price
4.03
Quantity 375 -5.0%
Value US$1,511
3.1
Shukla Sanjay President and CEO Officer
Transaction date
Sale
Price
4.03
Quantity 745 -36.6%
Value US$3,002
Krueger Nancy General Counsel Officer
Transaction date
Planned sale
Price
0.45
Quantity 4,651 -15.5%
Value US$2,093
MENDLEIN JOHN Non-Executive Director
Transaction date
Purchase
Price
0.42
Quantity 195,000 +46.4%
Value US$82,602
MENDLEIN JOHN Non-Executive Director
Transaction date
Purchase
Price
0.41
Quantity 50,000 +13.5%
Value US$20,645
SCHIMMEL PAUL Non-Executive Director
Transaction date
Purchase
Price
0.54
Quantity 147,225 +20.0%
Value US$79,796
Broadfoot Jill Marie Chief Financial Officer Officer
Transaction date
Purchase
Price
0.84
Quantity 38,000 +73.1%
Value US$31,738
Broadfoot Jill Marie Chief Financial Officer Officer
Transaction date
Purchase
Price
0.81
Quantity 26,000 +100.0%
Value US$21,117
Broadfoot Jill Marie Chief Financial Officer Officer
Transaction date
Purchase
Price
0.73
Quantity 26,000 +inf%
Value US$19,055
SCHIMMEL PAUL Non-Executive Director
Transaction date
Purchase
Price
0.76
Quantity 20,749 +2.9%
Value US$15,709
SCHIMMEL PAUL Non-Executive Director
Transaction date
Purchase
Price
0.72
Quantity 22,000 +3.2%
Value US$15,752
SCHIMMEL PAUL Non-Executive Director
Transaction date
Purchase
Price
0.76
Quantity 89,275 +14.8%
Value US$67,483
SCHIMMEL PAUL Non-Executive Director
Transaction date
Purchase
Price
0.72
Quantity 75,136 +14.2%
Value US$54,090
SCHIMMEL PAUL Non-Executive Director
Transaction date
Purchase
Price
1.00
Quantity 150,000 +39.7%
Value US$149,445
EcoR1 Capital Fund Qualified, L.P. Large shareholder
Transaction date
Sale
Price
0.81
Quantity 2,733,231 -100.0%
Value US$2,216,924
EcoR1 Capital Fund Qualified, L.P. Large shareholder
Transaction date
Sale
Price
1.43
Quantity 121,294 -4.2%
Value US$173,062
EcoR1 Capital Fund Qualified, L.P. Large shareholder
Transaction date
Sale
Price
1.72
Quantity 354,791 -11.1%
Value US$609,070
Blake John T Senior Vice President, Finance Officer
Transaction date
Planned sale
Price
3.40
Quantity 1,402 -42.1%
Value US$4,767
Amanullah Ashraf See Remarks Officer
Transaction date
Planned sale
Price
3.40
Quantity 1,402 -42.1%
Value US$4,767
EcoR1 Capital Fund Qualified, L.P. Large shareholder
Transaction date
Sale
Price
3.95
Quantity 1,083 -0.0%
Value US$4,278
EcoR1 Capital Fund Qualified, L.P. Large shareholder
Transaction date
Sale
Price
4.00
Quantity 5,860 -0.2%
Value US$23,445
EcoR1 Capital Fund Qualified, L.P. Large shareholder
Transaction date
Sale
Price
4.15
Quantity 5,819 -0.2%
Value US$24,151
EcoR1 Capital Fund Qualified, L.P. Large shareholder
Transaction date
Sale
Price
4.30
Quantity 1,070 -0.0%
Value US$4,601
EcoR1 Capital Fund Qualified, L.P. Large shareholder
Transaction date
Purchase
Price
4.80
Quantity 24,728 +0.8%
Value US$118,694
EcoR1 Capital Fund Qualified, L.P. Large shareholder
Transaction date
Purchase
Price
5.05
Quantity 4,879 +0.2%
Value US$24,639
MENDLEIN JOHN CEO and Director Executive Director
Transaction date
Planned purchase
Price
2.65
Quantity 37,736 +11.4%
Value US$100,000
SCHIMMEL PAUL
Transaction date
Purchase
Price
2.65
Quantity 94,336 +33.3%
Value US$249,990
MENDLEIN JOHN CEO and Director Executive Director
Transaction date
Planned purchase
Price
3.00
Quantity 124 +0.0%
Value US$372
MENDLEIN JOHN CEO and Director Executive Director
Transaction date
Planned purchase
Price
3.00
Quantity 1,552 +0.5%
Value US$4,656
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-28 2026-05-27 B Purchase
1.6
SCHIMMEL PAUL
Non-Executive Director
77,855 -7.7%
331.31
US$4,096,121 		77,855 -7.7% 331.31 US$4,096,121
2026-02-04 2026-02-04 S Sale
3.1
Shukla Sanjay

President and CEO

Executive Director
65,774 +24.2%
269.35
US$3,033,909 		65,774 +24.2% 269.35 US$3,033,909
2026-02-04 2026-02-04 S Sale
2.7
Broadfoot Jill Marie

Chief Financial Officer

Officer
73,747 -2.5%
99.04
US$25,993 		73,747 -2.5% 99.04 US$25,993
2026-02-04 2026-02-04 S Sale
DENYES NANCY

General Counsel

Officer
1,118 -3.3%
0.98
US$1,091 		1,118 -3.3% 0.98 US$1,091
2026-02-04 2026-02-04 S Sale
3.1
Shukla Sanjay

President and CEO

Executive Director
3,745 -2.4%
0.98
US$3,655 		3,745 -2.4% 0.98 US$3,655
2026-02-04 2026-02-04 S Sale
2.7
Broadfoot Jill Marie

Chief Financial Officer

Officer
1,558 -4.0%
0.98
US$1,521 		1,558 -4.0% 0.98 US$1,521
2026-02-04 2026-02-04 S Sale
DENYES NANCY

General Counsel

Officer
1,118 -3.3%
0.98
US$1,091 		1,118 -3.3% 0.98 US$1,091
2025-10-09 2025-10-09 B Purchase
1.6
SCHIMMEL PAUL
Non-Executive Director
317,999 +29.0%
0.94
US$299,364 		317,999 +29.0% 0.94 US$299,364
2025-10-09 2025-10-08 B Purchase
1.6
SCHIMMEL PAUL
Non-Executive Director
682,001 +165.1%
0.90
US$612,437 		682,001 +165.1% 0.90 US$612,437
2025-03-17 2025-03-17 B Purchase
Gross Jane A
Non-Executive Director
3,750 +62.5%
4.00
US$15,000 		3,750 +62.5% 4.00 US$15,000
2025-02-04 2025-02-04 S Sale
2.7
Broadfoot Jill Marie

Chief Financial Officer

Officer
1,254 -3.8%
3.78
US$4,740 		1,254 -3.8% 3.78 US$4,740
2025-02-04 2025-02-04 S Sale
DENYES NANCY

General Counsel

Officer
899 -3.3%
3.78
US$3,398 		899 -3.3% 3.78 US$3,398
2024-07-24 2024-07-24 B Purchase
1.6
SCHIMMEL PAUL
Non-Executive Director
52,300 +14.5%
1.93
US$101,038 		52,300 +14.5% 1.93 US$101,038
2024-07-24 2024-07-23 B Purchase
1.6
SCHIMMEL PAUL
Non-Executive Director
6,648 +1.9%
1.82
US$12,075 		6,648 +1.9% 1.82 US$12,075
2024-07-24 2024-07-22 B Purchase
1.6
SCHIMMEL PAUL
Non-Executive Director
41,052 +13.1%
1.74
US$71,500 		41,052 +13.1% 1.74 US$71,500
2024-06-06 2024-06-05 B Purchase
DENYES NANCY

General Counsel

Officer
5,000 +29.0%
1.86
US$9,276 		5,000 +29.0% 1.86 US$9,276
2024-06-03 2024-05-31 B Purchase
2.7
Broadfoot Jill Marie

Chief Financial Officer

Officer
5,000 +21.8%
1.79
US$8,950 		5,000 +21.8% 1.79 US$8,950
2024-06-03 2024-05-31 B Purchase
3.1
Shukla Sanjay

President and CEO

Executive Director
20,000 +17.2%
1.81
US$36,140 		20,000 +17.2% 1.81 US$36,140
2024-06-03 2024-05-30 B Purchase
1.2
COUGHLIN TIMOTHY
Non-Executive Director
50,000 +833.3%
1.75
US$87,500 		50,000 +833.3% 1.75 US$87,500
2024-02-06 2024-02-06 S Sale
2.7
Broadfoot Jill Marie

Chief Financial Officer

Officer
1,590 -7.1%
1.69
US$2,687 		1,590 -7.1% 1.69 US$2,687
2023-12-12 2023-12-12 B Purchase
3.1
Shukla Sanjay

President and CEO

Executive Director
12,000 +12.7%
1.18
US$14,136 		12,000 +12.7% 1.18 US$14,136
2023-12-12 2023-12-11 B Purchase
3.1
Shukla Sanjay

President and CEO

Executive Director
3,000 +3.3%
1.17
US$3,510 		3,000 +3.3% 1.17 US$3,510
2023-11-13 2023-11-13 B Purchase
3.1
Shukla Sanjay

President and CEO

Executive Director
13,578 +17.5%
1.11
US$15,085 		13,578 +17.5% 1.11 US$15,085
2023-11-13 2023-11-10 B Purchase
3.1
Shukla Sanjay

President and CEO

Executive Director
1,422 +1.9%
1.14
US$1,618 		1,422 +1.9% 1.14 US$1,618
2023-08-01 2023-07-28 B Purchase
3.1
Shukla Sanjay

President and CEO

Executive Director
15,000 +24.5%
2.01
US$30,224 		15,000 +24.5% 2.01 US$30,224
2023-05-11 2023-05-10 B Purchase
1.6
SCHIMMEL PAUL
Non-Executive Director
200,000 +177.0%
2.25
US$450,000 		200,000 +177.0% 2.25 US$450,000
2023-02-06 2023-02-06 S Sale
2.7
Broadfoot Jill Marie

Chief Financial Officer

Officer
1,566 -9.2%
2.36
US$3,696 		1,566 -9.2% 2.36 US$3,696
2022-11-21 2022-11-21 B Purchase
3.1
Shukla Sanjay

President and CEO

Executive Director
10,000 +24.5%
2.14
US$21,405 		10,000 +24.5% 2.14 US$21,405
2022-07-06 2022-07-01 B Purchase
3.1
Shukla Sanjay

President and CEO

Executive Director
15,000 +58.1%
2.88
US$43,164 		15,000 +58.1% 2.88 US$43,164
2022-01-18 2022-01-13 PP Planned purchase
2.7
Broadfoot Jill Marie

Chief Financial Officer

Officer
1,923 +18.9%
6.75
US$12,980 		1,923 +18.9% 6.75 US$12,980
2022-01-10 2022-01-07 B Purchase
3.1
Shukla Sanjay

President and CEO

Executive Director
5,000 +24.0%
6.76
US$33,806 		5,000 +24.0% 6.76 US$33,806
2021-11-15 2021-11-15 B Purchase
3.1
Shukla Sanjay

President and CEO

Executive Director
2,500 +13.7%
8.58
US$21,438 		2,500 +13.7% 8.58 US$21,438
2021-05-25 2021-05-21 S Sale
2.9
CLARKE JOHN K
Non-Executive Director
2,500 -2.3%
4.34
US$10,850 		2,500 -2.3% 4.34 US$10,850
2021-05-20 2021-05-18 B Purchase
1.6
SCHIMMEL PAUL
Non-Executive Director
50,000 +79.3%
3.98
US$199,000 		50,000 +79.3% 3.98 US$199,000
2021-05-20 2021-05-18 B Purchase
3.1
Shukla Sanjay

President and CEO

Executive Director
10,000 +120.5%
4.01
US$40,100 		10,000 +120.5% 4.01 US$40,100
2021-02-09 2021-02-09 S Sale
3.1
Shukla Sanjay

President and CEO

Executive Director
778 -8.6%
7.66
US$5,959 		778 -8.6% 7.66 US$5,959
2021-02-09 2021-02-09 S Sale
2.7
Broadfoot Jill Marie

Chief Financial Officer

Officer
390 -3.8%
7.66
US$2,987 		390 -3.8% 7.66 US$2,987
2020-09-03 2020-09-02 S Sale
2.9
CLARKE JOHN K
Non-Executive Director
7,260 -6.2%
4.01
US$29,113 		7,260 -6.2% 4.01 US$29,113
2020-09-03 2020-08-28 S Sale
2.9
CLARKE JOHN K
Non-Executive Director
100 -0.1%
4.00
US$400 		100 -0.1% 4.00 US$400
2020-08-28 2020-08-27 S Sale
2.9
CLARKE JOHN K
Non-Executive Director
5,440 -4.4%
4.09
US$22,250 		5,440 -4.4% 4.09 US$22,250
2020-08-28 2020-08-26 S Sale
2.9
CLARKE JOHN K
Non-Executive Director
2,200 -1.8%
4.30
US$9,451 		2,200 -1.8% 4.30 US$9,451
2020-06-23 2020-06-19 B Purchase
2.7
Broadfoot Jill Marie

Chief Financial Officer

Officer
1,850 +25.3%
4.22
US$7,807 		1,850 +25.3% 4.22 US$7,807
2020-06-23 2020-06-19 B Purchase
3.1
Shukla Sanjay

President and CEO

Executive Director
6,000 +464.8%
4.27
US$25,620 		6,000 +464.8% 4.27 US$25,620
2020-05-28 2020-05-20 PlS Planned sale
DENYES NANCY

General Counsel

Officer
322 -10.5%
3.62
US$1,166 		322 -10.5% 3.62 US$1,166
2020-05-22 2020-05-20 S Sale
1.6
SCHIMMEL PAUL
Non-Executive Director
8,447 -1.9%
3.64
US$30,739 		8,447 -1.9% 3.64 US$30,739
2020-02-11 2020-02-10 B Purchase
1.6
SCHIMMEL PAUL
Non-Executive Director
254,000 +138.4%
4.25
US$1,079,500 		254,000 +138.4% 4.25 US$1,079,500
2020-02-07 2020-02-07 S Sale
2.7
Broadfoot Jill Marie

Chief Financial Officer

Officer
375 -5.0%
4.03
US$1,511 		375 -5.0% 4.03 US$1,511
2020-02-07 2020-02-07 S Sale
3.1
Shukla Sanjay

President and CEO

Officer
745 -36.6%
4.03
US$3,002 		745 -36.6% 4.03 US$3,002
2019-05-20 2019-05-17 PlS Planned sale
Krueger Nancy

General Counsel

Officer
4,651 -15.5%
0.45
US$2,093 		4,651 -15.5% 0.45 US$2,093
2018-12-26 2018-12-21 B Purchase MENDLEIN JOHN Non-Executive Director
195,000 +46.4%
0.42
US$82,602 		195,000 +46.4% 0.42 US$82,602
2018-12-26 2018-12-20 B Purchase MENDLEIN JOHN Non-Executive Director
50,000 +13.5%
0.41
US$20,645 		50,000 +13.5% 0.41 US$20,645
2018-11-28 2018-11-26 B Purchase SCHIMMEL PAUL Non-Executive Director
147,225 +20.0%
0.54
US$79,796 		147,225 +20.0% 0.54 US$79,796
2018-09-21 2018-09-20 B Purchase Broadfoot Jill Marie

Chief Financial Officer

Officer
38,000 +73.1%
0.84
US$31,738 		38,000 +73.1% 0.84 US$31,738
2018-09-21 2018-09-19 B Purchase Broadfoot Jill Marie

Chief Financial Officer

Officer
26,000 +100.0%
0.81
US$21,117 		26,000 +100.0% 0.81 US$21,117
2018-09-18 2018-09-14 B Purchase Broadfoot Jill Marie

Chief Financial Officer

Officer
26,000 +inf%
0.73
US$19,055 		26,000 +inf% 0.73 US$19,055
2018-09-05 2018-09-04 B Purchase SCHIMMEL PAUL Non-Executive Director
20,749 +2.9%
0.76
US$15,709 		20,749 +2.9% 0.76 US$15,709
2018-09-05 2018-08-31 B Purchase SCHIMMEL PAUL Non-Executive Director
22,000 +3.2%
0.72
US$15,752 		22,000 +3.2% 0.72 US$15,752
2018-08-31 2018-08-30 B Purchase SCHIMMEL PAUL Non-Executive Director
89,275 +14.8%
0.76
US$67,483 		89,275 +14.8% 0.76 US$67,483
2018-08-31 2018-08-29 B Purchase SCHIMMEL PAUL Non-Executive Director
75,136 +14.2%
0.72
US$54,090 		75,136 +14.2% 0.72 US$54,090
2018-05-21 2018-05-18 B Purchase SCHIMMEL PAUL Non-Executive Director
150,000 +39.7%
1.00
US$149,445 		150,000 +39.7% 1.00 US$149,445
2018-05-16 2018-05-16 S Sale EcoR1 Capital Fund Qualified, L.P. Large shareholder
2,733,231 -100.0%
0.81
US$2,216,924 		2,733,231 -100.0% 0.81 US$2,216,924
2018-05-16 2018-05-15 S Sale EcoR1 Capital Fund Qualified, L.P. Large shareholder
121,294 -4.2%
1.43
US$173,062 		121,294 -4.2% 1.43 US$173,062
2018-05-16 2018-05-14 S Sale EcoR1 Capital Fund Qualified, L.P. Large shareholder
354,791 -11.1%
1.72
US$609,070 		354,791 -11.1% 1.72 US$609,070
2018-02-08 2018-02-08 PlS Planned sale Blake John T

Senior Vice President, Finance

Officer
1,402 -42.1%
3.40
US$4,767 		1,402 -42.1% 3.40 US$4,767
2018-02-08 2018-02-08 PlS Planned sale
Amanullah Ashraf

See Remarks

Officer
1,402 -42.1%
3.40
US$4,767 		1,402 -42.1% 3.40 US$4,767
2017-12-14 2017-11-13 S Sale EcoR1 Capital Fund Qualified, L.P. Large shareholder
1,083 -0.0%
3.95
US$4,278 		1,083 -0.0% 3.95 US$4,278
2017-12-14 2017-11-10 S Sale EcoR1 Capital Fund Qualified, L.P. Large shareholder
5,860 -0.2%
4.00
US$23,445 		5,860 -0.2% 4.00 US$23,445
2017-12-14 2017-11-09 S Sale EcoR1 Capital Fund Qualified, L.P. Large shareholder
5,819 -0.2%
4.15
US$24,151 		5,819 -0.2% 4.15 US$24,151
2017-12-14 2017-11-08 S Sale EcoR1 Capital Fund Qualified, L.P. Large shareholder
1,070 -0.0%
4.30
US$4,601 		1,070 -0.0% 4.30 US$4,601
2017-12-14 2017-11-01 B Purchase EcoR1 Capital Fund Qualified, L.P. Large shareholder
24,728 +0.8%
4.80
US$118,694 		24,728 +0.8% 4.80 US$118,694
2017-12-14 2017-10-01 B Purchase EcoR1 Capital Fund Qualified, L.P. Large shareholder
4,879 +0.2%
5.05
US$24,639 		4,879 +0.2% 5.05 US$24,639
2017-09-05 2017-08-31 PP Planned purchase MENDLEIN JOHN

CEO and Director

Executive Director
37,736 +11.4%
2.65
US$100,000 		37,736 +11.4% 2.65 US$100,000
2017-09-05 2017-08-31 B Purchase SCHIMMEL PAUL
94,336 +33.3%
2.65
US$249,990 		94,336 +33.3% 2.65 US$249,990
2017-04-26 2017-04-24 PP Planned purchase MENDLEIN JOHN

CEO and Director

Executive Director
124 +0.0%
3.00
US$372 		124 +0.0% 3.00 US$372
2017-04-20 2017-04-20 PP Planned purchase MENDLEIN JOHN

CEO and Director

Executive Director
1,552 +0.5%
3.00
US$4,656 		1,552 +0.5% 3.00 US$4,656
Explore more

More insider trading research around aTyr Pharma Inc

More insider trades in United States
Similar Healthcare companies with insider activity
More Pharmaceuticals & Medical Research companies with insider activity
More Biotechnology & Medical Research companies with insider activity
Insider trading in North America