Steven Ratner

CIK: 0001995110

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)13 (72.2%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)3 (16.7%)

Compensation grants

Other (G, F, J, C, D, …)2 (11.1%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

MRCY

MERCURY SYSTEMS INC

Officer

Discretionary Trading P&L

Holdings

Transaction History (18 total)

MRCY
MERCURY SYSTEMS INC
Sep 3, 2026
Sale(S)
Direct
4K shares at avg. $84.51$338K
MRCY
MERCURY SYSTEMS INC
Aug 21, 2026
Sale(S)
Indirect
356 shares at avg. $91.36$33K
MRCY
MERCURY SYSTEMS INC
Aug 20, 2026
Sale(S)
Direct
1K shares at avg. $97.67$100K
MRCY
MERCURY SYSTEMS INC
Aug 19, 2026
Sale(S)
Direct
2.2K shares at avg. $100.31$219K
MRCY
MERCURY SYSTEMS INC
Aug 18, 2026
Sale(S)
Direct
2K shares at avg. $111.36$219K
MRCY
MERCURY SYSTEMS INC
Aug 17, 2026
Award(A)
Direct
5.2K shares-
MRCY
MERCURY SYSTEMS INC
Aug 17, 2026
Sale(S)
Direct
1.1K shares at avg. $109.95$119K
MRCY
MERCURY SYSTEMS INC
Aug 14, 2026
Disposition(D)
Direct
2.7K shares-
MRCY
MERCURY SYSTEMS INC
May 11, 2026
Sale(S)
Direct
2K shares at avg. $92.46$185K
MRCY
MERCURY SYSTEMS INC
Mar 16, 2026
Award(A)
Direct
437 shares-
MRCY
MERCURY SYSTEMS INC
Aug 20, 2025
Sale(S)
Direct
7K shares at avg. $63.76$446K
MRCY
MERCURY SYSTEMS INC
Aug 19, 2025
Sale(S)
Direct
1.7K shares at avg. $64.46$112K
MRCY
MERCURY SYSTEMS INC
Aug 18, 2025
Sale(S)
Direct
1.7K shares at avg. $66.52$112K
MRCY
MERCURY SYSTEMS INC
Aug 15, 2025
Award(A)
Direct
9K shares-
MRCY
MERCURY SYSTEMS INC
Jun 16, 2025
Sale(S)
Direct
1.8K shares at avg. $53.48$98K
MRCY
MERCURY SYSTEMS INC
May 16, 2025
Disposition(D)
Direct
19.2K shares-
MRCY
MERCURY SYSTEMS INC
May 8, 2025
Sale(S)
Direct
3.9K shares at avg. $47.70$186K
MRCY
MERCURY SYSTEMS INC
May 8, 2025
Sale(S)
Indirect
325 shares at avg. $46.03$15K

		Type	Shares	Price		Ownership
Sep 3, 2026	MRCY MERCURY SYSTEMS INC	Sale(S)	4,000	$84.51	$338,030	Direct
Aug 21, 2026	MRCY MERCURY SYSTEMS INC	Sale(S)	356	$91.36	$32,524	Indirect
Aug 20, 2026	MRCY MERCURY SYSTEMS INC	Sale(S)	1,026	$97.67	$100,213	Direct
Aug 19, 2026	MRCY MERCURY SYSTEMS INC	Sale(S)	2,187	$100.31	$219,369	Direct
Aug 18, 2026	MRCY MERCURY SYSTEMS INC	Sale(S)	1,971	$111.36	$219,486	Direct
Aug 17, 2026	MRCY MERCURY SYSTEMS INC	Award(A)	5,187	-	$0	Direct
Aug 17, 2026	MRCY MERCURY SYSTEMS INC	Sale(S)	1,084	$109.95	$119,187	Direct
Aug 14, 2026	MRCY MERCURY SYSTEMS INC	Disposition(D)	2,695	-	$0	Direct
May 11, 2026	MRCY MERCURY SYSTEMS INC	Sale(S)	2,000	$92.46	$184,920	Direct
Mar 16, 2026	MRCY MERCURY SYSTEMS INC	Award(A)	437	-	$0	Direct
Aug 20, 2025	MRCY MERCURY SYSTEMS INC	Sale(S)	7,000	$63.76	$446,312	Direct
Aug 19, 2025	MRCY MERCURY SYSTEMS INC	Sale(S)	1,735	$64.46	$111,845	Direct
Aug 18, 2025	MRCY MERCURY SYSTEMS INC	Sale(S)	1,681	$66.52	$111,814	Direct
Aug 15, 2025	MRCY MERCURY SYSTEMS INC	Award(A)	9,043	-	-	Direct
Jun 16, 2025	MRCY MERCURY SYSTEMS INC	Sale(S)	1,839	$53.48	$98,345	Direct
May 16, 2025	MRCY MERCURY SYSTEMS INC	Disposition(D)	19,174	-	-	Direct
May 8, 2025	MRCY MERCURY SYSTEMS INC	Sale(S)	3,892	$47.70	$185,645	Direct
May 8, 2025	MRCY MERCURY SYSTEMS INC	Sale(S)	325	$46.03	$14,960	Indirect

1-18 of 18 transactions

About Ratner Steven

Ratner Steven (SEC CIK 0001995110) files insider reports with the SEC as EVP, CHRO of MERCURY SYSTEMS INC (MRCY).

Signal8 holds 14 ownership filings by Ratner Steven, all Form 4s, filed between May 12, 2025 and Sep 15, 2026. Those filings report 18 transactions, from May 8, 2025 to Sep 3, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Ratner Steven's filings is in ANDOVER, MA.

Recent filings by Ratner Steven

Sep 3, 2026: Open-market sale of MRCY shares (Form 4, code S).
Aug 21, 2026: Open-market sale of MRCY shares (Form 4, code S).
Aug 20, 2026: Open-market sale of MRCY shares (Form 4, code S).
Aug 19, 2026: Open-market sale of MRCY shares (Form 4, code S).
Aug 18, 2026: Open-market sale of MRCY shares (Form 4, code S).

Other insiders filing for MERCURY SYSTEMS INC (MRCY)

Ostfeld Scott, Director
DEMURO GERARD J, Director
Plunkett Debora A, Director
Nearhos Barry R, Director
BUA JEAN A, Director
LANCE HOWARD L, Director

How to read Form 4 transaction codes