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aTYR PHARMA INC

ATYR Net buying
CIK 0001339970 #4704 in the set updated 19 Sep 2026
Bought (120 mo)
$6.72M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$3.21M
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$3.21M
28 of 28 sales
Net
+$3.51M
+$3.51M against sales at will

By person

13 insiders · 80 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
SCHIMMEL PAUL
Director
$5.69M (21)
$30.74K (1)
+$5.66M
1,217,176
1.24%
$604.08K
—
EcoR1 Capital Fund Qualified, L.P. entity
10% owner
$143.33K (2)
$3.06M (7)
−$2.91M
0
0.0000%
$0.00
−100.0%
MENDLEIN JOHN
Director
$362.94K (7)
—
+$362.94K
615,382
0.6274%
$305.41K
+135.8%
Shukla Sanjay
President and CEO
$286.25K (12)
$12.62K (3)
+$273.63K
153,553
0.1565%
$76.21K
+61,321%
Coughlin Timothy
Director
$87.50K (1)
—
+$87.50K
56,000
0.0571%
$27.79K
—
Broadfoot Jill Marie
Chief Financial Officer
$101.65K (6)
$17.14K (6)
+$84.51K
37,296
0.0380%
$18.51K
—
CLARKE JOHN K
Director
—
$72.06K (5)
−$72.06K
127,880
0.1304%
$63.47K
−8.3%
Amanullah Ashraf
See Remarks
$24.75K (1)
$4.77K (1)
+$19.98K
26,264
0.0268%
$13.03K
+162.7%
Gross Jane A
Director
$15.00K (1)
—
+$15.00K
9,750
0.0099%
$4.84K
—
Blake John T
Senior Vice President, Finance
—
$4.77K (1)
−$4.77K
1,932
0.0020%
$958.85
—
DENYES NANCY
General Counsel
$9.28K (1)
$7.75K (4)
+$1.53K
33,124
0.0338%
$16.44K
+201.9%
Lucas Svetlana
Director
—
—
—
6,000
0.0061%
$2.98K
—
Zaknoen Sara
Director
—
—
—
6,000
0.0061%
$2.98K
—

Individual transactions

28
Insider
Date
Role
Action
Shares
Price
Amount
DENYES NANCY
4 Feb 2026
General Counsel
Sell
1,118
$0.98
$1.09K
Broadfoot Jill Marie
4 Feb 2026
Chief Financial Officer
Sell
1,558
$0.98
$1.52K
Shukla Sanjay
4 Feb 2026
President and CEO
Sell
3,745
$0.98
$3.66K
DENYES NANCY
4 Feb 2025
General Counsel
Sell
899
$3.78
$3.40K
Broadfoot Jill Marie
4 Feb 2025
Chief Financial Officer
Sell
1,254
$3.78
$4.74K
Broadfoot Jill Marie
6 Feb 2024
Chief Financial Officer
Sell
1,590
$1.69
$2.69K
Broadfoot Jill Marie
6 Feb 2023
Chief Financial Officer
Sell
1,566
$2.36
$3.70K
CLARKE JOHN K
21 May 2021
Director
Sell indirect
2,500
$4.34
$10.85K
Shukla Sanjay
9 Feb 2021
President and CEO
Sell
778
$7.66
$5.96K
Broadfoot Jill Marie
9 Feb 2021
Chief Financial Officer
Sell
390
$7.66
$2.99K
CLARKE JOHN K
2 Sep 2020
Director
Sell indirect
7,260
$4.01
$29.11K
CLARKE JOHN K
28 Aug 2020
Director
Sell indirect
100
$4.00
$400.00
CLARKE JOHN K
27 Aug 2020
Director
Sell indirect
5,440
$4.09
$22.25K
CLARKE JOHN K
26 Aug 2020
Director
Sell indirect
2,200
$4.30
$9.45K
SCHIMMEL PAUL
20 May 2020
Director
Sell indirect
8,447
$3.64
$30.74K
DENYES NANCY
20 May 2020
General Counsel
Sell
322
$3.62
$1.17K
Broadfoot Jill Marie
7 Feb 2020
Chief Financial Officer
Sell
375
$4.03
$1.51K
Shukla Sanjay
7 Feb 2020
President and CEO
Sell
745
$4.03
$3.00K
DENYES NANCY
17 May 2019
General Counsel
Sell
4,651
$0.45
$2.09K
EcoR1 Capital Fund Qualified, L.P.
16 May 2018
10% owner
Sell
2,733,231
$0.81
$2.22M
EcoR1 Capital Fund Qualified, L.P.
15 May 2018
10% owner
Sell
121,294
$1.43
$173.06K
EcoR1 Capital Fund Qualified, L.P.
14 May 2018
10% owner
Sell
354,791
$1.72
$609.07K
Amanullah Ashraf
8 Feb 2018
See Remarks
Sell
1,402
$3.40
$4.77K
Blake John T
8 Feb 2018
Senior Vice President, Finance
Sell
1,402
$3.40
$4.77K
EcoR1 Capital Fund Qualified, L.P.
13 Nov 2017
10% owner
Sell
1,083
$3.95
$4.28K
EcoR1 Capital Fund Qualified, L.P.
10 Nov 2017
10% owner
Sell
5,860
$4.00
$23.44K
EcoR1 Capital Fund Qualified, L.P.
9 Nov 2017
10% owner
Sell
5,819
$4.15
$24.15K
EcoR1 Capital Fund Qualified, L.P.
8 Nov 2017
10% owner
Sell
1,070
$4.30
$4.60K
Show all 80 transactions →

What was left out

Form 4 filings counted 183
Amendments (4/A) skipped 2
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 28
Transactions with no price 0
Shares from compensation/vesting 2,517,571
Sales filed before the plan box existed 22
History held since 15 Sep 2016