SC Filed 2019-07-17 Event — SEC 0001193125-19-195697 →

Polaris Venture Partners V, L.P. → aTYR PHARMA INC ATYR

Stake: — Shares: —

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

17 transactions

11 buys · 3 sales · 3 awards/exercises

Issuer Cluster

3 13D/G filings on this issuer

2 other filings besides this one

Filer Track Record

12 filings by this filer

11 other filings in the data moat

Short Interest · settle 2026-07-15

DTC 4.25

8,277,406 shares short · -42.9% vs prior

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-05-11	Coughlin Timothy	director	Award	50,000	$0.95	$48K
2026-05-11	BENEVICH ERIC	director	Award	50,000	$0.95	$48K
2026-05-11	Gross Jane A	director	Award	50,000	$0.95	$48K
2026-05-11	Lucas Svetlana	director	Award	50,000	$0.95	$48K
2026-05-11	Zaknoen Sara	director	Award	50,000	$0.95	$48K
2026-05-11	SCHIMMEL PAUL	director	Award	50,000	$0.95	$48K
2026-02-04	DENYES NANCY	officer	Sale	1,118	$0.98	$1K
2026-02-04	Broadfoot Jill Marie	officer	Sale	1,558	$0.98	$2K
2026-02-04	Shukla Sanjay	director, officer	Sale	3,745	$0.98	$4K
2026-02-03	Shukla Sanjay	director, officer	Option exercise	10,375	—	—
2026-02-03	Broadfoot Jill Marie	officer	Option exercise	3,750	—	—
2026-02-03	DENYES NANCY	officer	Option exercise	2,687	—	—
2026-01-09	Shukla Sanjay	director, officer	Award	1,500,000	$0.71	$1.07M
2026-01-09	Broadfoot Jill Marie	officer	Award	412,500	$0.71	$294K
2026-01-09	DENYES NANCY	officer	Award	412,500	$0.71	$294K
2025-10-09	SCHIMMEL PAUL	director	Buy	317,999	$0.94	$299K
2025-10-08	SCHIMMEL PAUL	director	Buy	682,001	$0.90	$612K

Other 13D/G Filings on aTYR PHARMA INC

Filed	Form	Filer	Stake	Shares
2019-04-16	SC	SCHIMMEL PAUL	—	—	view →
2019-02-12	SC	Sofinnova Venture Partners IX, L.P.	—	—	view →

Other Filings by Polaris Venture Partners V, L.P.

Filed	Form	Issuer	Stake	Shares
2025-11-07	SCHEDULE	Invivyd, Inc. IVVD	3.00%	7,008,590	view →
2022-03-30	SC	Adagio Therapeutics, Inc. IVVD	—	—	view →
2019-07-17	SC	Pulmatrix, Inc. PULM	—	—	view →
2019-07-17	SC	X4 Pharmaceuticals, Inc XFOR	—	—	view →
2019-02-14	SC	GENOCEA BIOSCIENCES, INC.	—	—	view →
2019-02-14	SC	Dare Bioscience, Inc. DARE	—	—	view →
2019-02-14	SC	T2 Biosystems, Inc.	—	—	view →
2019-02-14	SC	TREVENA INC	—	—	view →
2019-02-04	SC	SELECTA BIOSCIENCES INC RNAC	—	—	view →
2018-05-03	SC	SELECTA BIOSCIENCES INC RNAC	—	—	view →
2018-04-12	SC	Pulmatrix, Inc. PULM	—	—	view →

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