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Company
▲ Purchases (3 ops.)
▼ Sales (15 ops.)
Latest filing published 15 Sept 2026 for Mercury Systems INC.
Filing timeline
BuySaleWilliam L. Ballhaus
Insider track record
Disclosed buys
3
Disclosed sells
15
Signal history
Closed purchases
Market purchases
3
Positive at T+90
0%
Median T+90
-5.3%
Based on 3 purchases whose 90-day window has closed (published at least 91 days ago), the same population our ranking model reads.
Purchases by company
Since each purchase
- +49.4%Entry US$30.55 · Close at T+365 US$45.64
- -7.1%Entry US$39.70 · Close at T+365 US$36.90
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
William L. Ballhaus: trading record in brief
In late August 2026, three sales by William L. Ballhaus at Mercury Systems Inc, where the filed title is Chairman, President & CEO, follow within a few days: EUR 5,120,433 on August 21, EUR 8,078,850 on August 24 and EUR 8,032,845 on August 25. The 13 sales in the record total EUR 30.8 million, with a median of EUR 831,323.
The record also holds 2 purchases worth EUR 1,475,017: EUR 1,379,354 on August 18, 2023 and EUR 95,663 on February 9, 2024, 13% of the market trades. There are also 9 grants, 5 option exercises and 1 filing of another kind.
The whole thing fits in 30 filings since 2022, 18 of them in 2026 against 2 to 5 in the earlier years; those 18 make up the last twelve months, with 11 sales and no purchase. Publication lag: a median of 2 days.
14, 14 and 13 trades by Ballhaus fall within 30 days of colleagues at Mercury Systems Inc, in that order. Same direction: 14, 13 and 13. The colleagues, in the same order: David E. Farnsworth, Steven Ratner and Douglas Munro.
Companies and markets linked to William L. Ballhaus
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations34 total
23,629 shares0Common StockSEC:0001049521-26-000067:0
153,676 shares@ US$43.000.13% mcap6.9% of flowCommon StockSEC:0001049521-26-000063:0
107,628 shares@ US$87.0890.18% mcap9.8% of flowCommon StockSEC:0001049521-26-000063:1
3,448 shares@ US$87.9930.0059% mcap0.3% of flowCommon StockSEC:0001049521-26-000063:2
68,476 shares@ US$43.000.057% mcap3.1% of flowCommon StockSEC:0001049521-26-000063:3
38,276 shares@ US$88.9130.066% mcap3.6% of flowCommon StockSEC:0001049521-26-000063:4
10,814 shares@ US$89.7440.019% mcap1.0% of flowCommon StockSEC:0001049521-26-000063:5
92,850 shares@ US$42.000.075% mcap4.1% of flowCommon StockSEC:0001049521-26-000060:0
64,796 shares@ US$92.4040.12% mcap6.3% of flowCommon StockSEC:0001049521-26-000060:1
204 shares@ US$93.5080.0004% mcap0.0% of flowCommon StockSEC:0001049521-26-000060:2
140,650 shares@ US$42.000.11% mcap6.2% of flowCommon StockSEC:0001049521-26-000060:3
11,348 shares@ US$43.000.0094% mcap0.5% of flowCommon StockSEC:0001049521-26-000060:4
105,471 shares@ US$89.4730.18% mcap9.9% of flowCommon StockSEC:0001049521-26-000060:5
2,738 shares@ US$90.600.0048% mcap0.3% of flowCommon StockSEC:0001049521-26-000060:6
26,802 shares@ US$100.3060.052% mcap2.8% of flowCommon StockSEC:0001049521-26-000055:0
22,010 shares@ US$97.67340.042% mcap2.3% of flowCommon StockSEC:0001049521-26-000055:1
3,536 shares@ US$109.95090.0076% mcap0.4% of flowCommon StockSEC:0001049521-26-000050:0
70,287 shares0Common StockSEC:0001049521-26-000046:0
13,050 shares@ US$64.460.9% of flowCommon StockSEC:0001127602-25-020794:1
10,395 shares@ US$66.51630.7% of flowCommon StockSEC:0001127602-25-020794:0
44,940 shares0Common StockSEC:0001127602-25-020730:0
69,006 shares0Common StockSEC:0001127602-24-024182:0
6,549 shares@ US$39.48510.3% of flowCommon StockSEC:0001127602-24-022744:0
69,006 shares0Common StockSEC:0001127602-24-022516:0
567 shares@ US$28.240.0% of flowCommon StockSEC:0001127602-24-019279:0
25 of 34 declarations
