USBoard
Person

Mark A. Welsh III

Director, Northrop Grumman

Current S&P 500 boards
1
Current roles
1
Open-market buys
$0
Open-market sales
$477K

Current roles

From Section 16 filings (Forms 3, 4 and 5) in the last 13 months.

Past roles

“Last filing” is the latest Form 3/4/5 for that company, an upper bound on the end date.

None on record since 2016.

Sits alongside

People who currently share a board or management team with this person.

Open-market trades

Purchases and sales reported on Form 4 at S&P 500 companies.

DateCompanyTypeSharesPriceValue
Nov 2, 2026NOCSale7$553.39$4K
Nov 2, 2026NOCSale20$554.48$11K
Nov 2, 2026NOCSale20$555.46$11K
Nov 2, 2026NOCSale50$556.47$28K
Nov 2, 2026NOCSale1$557.47$557
Aug 3, 2026NOCSale11$546.42$6K
Aug 3, 2026NOCSale4$554.14$2K
Aug 3, 2026NOCSale2$553.90$1K
Aug 3, 2026NOCSale2$552.95$1K
Aug 3, 2026NOCSale2$550.68$1K
Aug 3, 2026NOCSale6$549.50$3K
Aug 3, 2026NOCSale10$548.32$5K
Aug 3, 2026NOCSale31$547.42$17K
Aug 3, 2026NOCSale19$545.59$10K
Aug 3, 2026NOCSale8$544.53$4K
May 4, 2026NOCSale1$566.60$567
May 4, 2026NOCSale5$568.75$3K
May 4, 2026NOCSale9$569.49$5K
May 4, 2026NOCSale43$570.47$25K
May 4, 2026NOCSale3$571.74$2K
May 4, 2026NOCSale6$572.72$3K
May 4, 2026NOCSale14$573.51$8K
May 4, 2026NOCSale2$574.51$1K
May 4, 2026NOCSale4$575.59$2K
May 4, 2026NOCSale7$576.38$4K
May 4, 2026NOCSale1$577.05$577
Feb 2, 2026NOCSale4$680.49$3K
Feb 2, 2026NOCSale8$681.68$5K
Feb 2, 2026NOCSale22$682.47$15K
Feb 2, 2026NOCSale6$683.79$4K
Feb 2, 2026NOCSale7$684.67$5K
Feb 2, 2026NOCSale10$685.33$7K
Feb 2, 2026NOCSale11$686.43$8K
Feb 2, 2026NOCSale8$687.64$6K
Feb 2, 2026NOCSale10$688.51$7K
Feb 2, 2026NOCSale5$689.31$3K
Feb 2, 2026NOCSale2$676.14$1K
Feb 2, 2026NOCSale2$677.43$1K
Nov 24, 2025NOCSale1$560.39$560
Nov 24, 2025NOCSale9$563.62$5K
Nov 24, 2025NOCSale61$564.36$34K
Nov 24, 2025NOCSale12$565.31$7K
Nov 24, 2025NOCSale1$566.15$566
Nov 24, 2025NOCSale7$562.52$4K
Nov 24, 2025NOCSale6$561.51$3K
Jul 7, 2025NOCSale1$509.59$510
Jul 7, 2025NOCSale5$508.17$3K
Jul 7, 2025NOCSale21$506.36$11K
Jul 7, 2025NOCSale2$505.44$1K
Jul 7, 2025NOCSale1$503.59$504
Jul 7, 2025NOCSale3$507.25$2K
Jun 5, 2025NOCSale6$487.37$3K
Jun 5, 2025NOCSale16$488.88$8K
Jun 5, 2025NOCSale3$489.26$1K
Jun 5, 2025NOCSale1$485.67$486
Jun 5, 2025NOCSale1$491.07$491
Jun 5, 2025NOCSale3$490.13$1K
Jun 5, 2025NOCSale3$486.43$1K
May 5, 2025NOCSale3$495.53$1K
May 5, 2025NOCSale13$494.64$6K
May 5, 2025NOCSale10$493.60$5K
May 5, 2025NOCSale2$492.79$986
May 5, 2025NOCSale3$491.47$1K
May 5, 2025NOCSale1$490.28$490
May 5, 2025NOCSale1$489.64$490
Apr 7, 2025NOCSale7$480.56$3K
Apr 7, 2025NOCSale4$478.51$2K
Apr 7, 2025NOCSale1$479.93$480
Apr 7, 2025NOCSale2$477.49$955
Apr 7, 2025NOCSale5$476.28$2K
Apr 7, 2025NOCSale1$475.46$475
Apr 7, 2025NOCSale1$474.60$475
Apr 7, 2025NOCSale2$481.51$963
Apr 7, 2025NOCSale2$482.69$965
Apr 7, 2025NOCSale6$483.42$3K
Apr 7, 2025NOCSale1$492.12$492
Apr 7, 2025NOCSale1$484.55$485
Mar 5, 2025NOCSale2$467.74$935
Mar 5, 2025NOCSale3$468.10$1K
Mar 5, 2025NOCSale1$469.54$470
Mar 5, 2025NOCSale2$470.90$942
Mar 5, 2025NOCSale3$471.21$1K
Mar 5, 2025NOCSale1$473.50$474
Mar 5, 2025NOCSale14$475.19$7K
Mar 5, 2025NOCSale2$477.39$955
Mar 5, 2025NOCSale1$479.50$480
Mar 5, 2025NOCSale4$476.38$2K
Feb 5, 2025NOCSale4$482.21$2K
Feb 5, 2025NOCSale3$475.66$1K
Feb 5, 2025NOCSale3$474.83$1K
Feb 5, 2025NOCSale2$477.50$955
Feb 5, 2025NOCSale3$478.33$1K
Feb 5, 2025NOCSale1$485.43$485
Feb 5, 2025NOCSale5$484.37$2K
Feb 5, 2025NOCSale4$483.48$2K
Feb 5, 2025NOCSale3$476.40$1K
Feb 5, 2025NOCSale2$481.34$963
Feb 5, 2025NOCSale1$480.06$480
Feb 5, 2025NOCSale2$479.55$959
Jan 6, 2025NOCSale5$458.60$2K

SEC reporting-owner ID (CIK) 1692554 · all filings on EDGAR

Mark A. Welsh III (NOC) | USBoard