SC Filed 2022-06-27 Event — SEC 0000902664-22-003406 →

JANA PARTNERS LLC → MERCURY SYSTEMS INC MRCY

Stake: — Shares: —

Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 21/100

Passive Schedule 13G filer baseline
Elevated short days-to-cover (12.5 DTC)
Short interest building (+10.8% vs prior settlement)

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)

3 transactions

1 buys · 2 sales · 0 awards/exercises

Issuer Cluster

2 13D/G filings on this issuer

1 other filing besides this one

Filer Track Record

28 filings by this filer

27 other filings in the data moat

Short Interest · settle 2026-10-15

DTC 12.50

5,556,601 shares short · +10.8% vs prior

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-10-21	KUPINSKY STUART	officer	Sale	1,000	$76.00	$76K
2026-09-03	Ratner Steven	officer	Sale	4,000	$84.51	$338K
2026-07-16	Nearhos Barry R	director	Award	170	—	—

Other 13D/G Filings on MERCURY SYSTEMS INC

Filed	Form	Filer	Stake	Shares
2022-01-13	SC	Starboard Value LP	—	—	view →

Other Filings by JANA PARTNERS LLC

Filed	Form	Issuer	Stake	Shares
2023-06-01	SC	Freshpet, Inc. FRPT	—	—	view →
2023-05-30	SC	Freshpet, Inc. FRPT	—	—	view →
2023-05-24	SC	Freshpet, Inc. FRPT	—	—	view →
2021-12-30	SC	TreeHouse Foods, Inc.	—	—	view →
2021-12-30	SC	TreeHouse Foods, Inc.	—	—	view →
2021-08-31	SC	TreeHouse Foods, Inc.	—	—	view →
2021-04-19	SC	Perspecta Inc.	—	—	view →
2021-03-02	SC	TreeHouse Foods, Inc.	—	—	view →
2021-03-01	SC	Perspecta Inc.	—	—	view →
2020-11-27	SC	Bloomin' Brands, Inc. BLMN	—	—	view →
2020-11-12	SC	Bloomin' Brands, Inc. BLMN	—	—	view →
2020-10-14	SC	Perspecta Inc.	—	—	view →
2020-09-10	SC	Perspecta Inc.	—	—	view →
2020-09-09	SC	Bloomin' Brands, Inc. BLMN	—	—	view →
2020-07-23	SC	CALLAWAY GOLF CO CALY	—	—	view →
2020-07-02	SC	Bloomin' Brands, Inc. BLMN	—	—	view →
2020-06-09	SC	CALLAWAY GOLF CO CALY	—	—	view →
2020-04-09	SC	Bloomin' Brands, Inc. BLMN	—	—	view →
2020-03-12	SC	Bloomin' Brands, Inc. BLMN	—	—	view →
2020-02-03	SC	Bloomin' Brands, Inc. BLMN	—	—	view →

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