| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director | Corporate Vice President | Cvp, President, Defense Systems
3 companies
Mary D Petryszyn is Corporate Vice President at NOC, with reported holdings spanning 3 companies. Mary D Petryszyn's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $7.8M at current prices.
Our model assigns Mary D Petryszyn a below-average insider score of 39/100, based on 5 past trades. Over a 12-month horizon, 20.0% of those trades were profitable, with an average 12-month return of -16.9%.
Mary D Petryszyn's largest disclosed position is in NOC as Corporate Vice President, worth about $6.7M. The NOC filings lean toward selling, a net 8,631 shares.
Mary D Petryszyn has 28 Form 4 filings on record from February 2020 to October 2026, across 3 companies: Director at Woodward (WWD), 2023–2026; Director at Karman (KRMN), 2026; Corporate Vice President at Northrop Grumman (NOC), 2020–2023.
The 47 reported transactions were 16 option or other derivative awards, 8 option exercises, 8 tax withholdings and 8 open-market sales, plus smaller numbers of other types.
Counted by filing, the open-market trades come to 1 purchase worth about $19K and 7 sales worth about $3.2M.
The only open-market purchase was 500 shares of KRMN at an average $37.44 on September 16, 2026, about $19K.
The largest open-market sale was 3,921 shares of NOC at an average $362.27 on February 10, 2020, about $1.4M.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 16, 2026 | KRMN Karman Holdings Inc. | Director | Buy | 500 | $37.44 | $18,719.95 | +21.2% | - | - | |
| Feb 15, 2023 | NOC Northrop Grumman Corp /de/ | Corporate Vice President | Sell | 856 | $465.92 | $398,827.52 | -9.5% | -5.5% | -2.4% | |
| Feb 28, 2022 | NOC Northrop Grumman Corp /de/ | Cvp, President, Defense Systems | Sell | 626 | $414.31 | $259,358.06 | -7.9% | +6.2% | +6.1% | |
| Feb 16, 2022 | NOC Northrop Grumman Corp /de/ | Cvp, President, Defense Systems | Sale+OE | 168 | $384.99 | $64,678.32 | -2.1% | +17.1% | +19.9% | |
| Aug 5, 2021 | NOC Northrop Grumman Corp /de/ | Cvp, President, Defense Systems | Sell | 892 | $358.65 | $319,915.80 | -11.5% | -0.9% | +35.3% | |
| Feb 4, 2021 | NOC Northrop Grumman Corp /de/ | Cvp, President, Defense Systems | Sell | 968 | $302.93 | $293,237.01 | -12.9% | +24.9% | +25.4% | |
| Feb 18, 2020 | NOC Northrop Grumman Corp /de/ | Cvp, President, Defense Systems | Sale+OE | 1,200 | $370.95 | $445,135.20 | -13.8% | - | - | |
| Feb 10, 2020 | NOC Northrop Grumman Corp /de/ | Cvp, President, Defense Systems | Sell | 3,921 | $362.27 | $1,420,460.67 | -36.9% | - | - |