| 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
2 companies
John Dennis McMahon last filed a Form 4 in June 2024, as Director at SNOW. The filings on record cover 2 companies. John Dennis McMahon's net worth is not public. Form 4 filings only show shares in the companies where this person was an insider, as of the last filing.
Our model assigns John Dennis McMahon a middling insider score of 62/100, based on 35 past trades. Over a 12-month horizon, 71.4% of those trades were profitable, with an average 12-month return of +15.7%.
At the last filing, the largest reported position was 352,902 shares of SNOW. The SNOW filings lean toward selling, a net 629,357 shares.
John Dennis McMahon has 40 Form 4 filings on record from June 2019 to June 2024, across 2 companies: Director at MongoDB (MDB), 2019–2024; Director at Snowflake (SNOW), 2021–2023.
The 100 reported transactions were 48 open-market sales, 29 option exercises, 11 stock awards and 9 other transactions, plus smaller numbers of other types.
Counted by filing, the open-market trades come to no purchases and 34 sales worth about $163.3M.
The largest open-market sale was 230,000 shares of SNOW at an average $163.25 on May 31, 2023, about $37.5M. Twelve months later SNOW was down 15%.
4 of the 6 sales since April 2023 were made under a Rule 10b5-1 trading plan; the other 2 were not.
Shares as reported in the last Form 4 for each company; the most recent is from June 2024. Values use today's prices. Any trades after the last filing were not reported, so current holdings may differ.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 24, 2024 | MDB Mongodb, Inc. | Director | Sell | 10,000 | $228.00 | $2,280,000.00 | -33.3% | +19.5% | -10.5% | |
| May 31, 2023 | SNOW Snowflake Inc. | Director | Sale+OE | 230,000 | $163.25 | $37,546,765.50 | -39.5% | -7.3% | -14.8% | |
| May 8, 2023 | SNOW Snowflake Inc. | Director | Sell10b5-1 | 1,000 | $160.27 | $160,270.00 | -0.6% | +3.9% | -0.8% | |
| May 3, 2023 | SNOW Snowflake Inc. | Director | Sale+OE10b5-1 | 10,000 | $144.07 | $1,440,700.00 | -6.1% | +22.1% | +9.1% | |
| Apr 6, 2023 | SNOW Snowflake Inc. | Director | Sell10b5-1 | 1,000 | $144.59 | $144,590.00 | -0.6% | +18.4% | +5.6% | |
| Apr 3, 2023 | SNOW Snowflake Inc. | Director | Sale+OE10b5-1 | 10,000 | $152.79 | $1,527,900.00 | -6.1% | +18.0% | +4.1% | |
| Mar 6, 2023 | SNOW Snowflake Inc. | Director | Sale+OE | 11,053 | $140.22 | $1,549,841.62 | -6.7% | +27.9% | +18.1% | |
| Jul 7, 2022 | SNOW Snowflake Inc. | Director | Sell | 1,224 | $155.44 | $190,258.56 | -2.2% | +16.5% | +7.3% | |
| Nov 5, 2021 | SNOW Snowflake Inc. | Director | Sale+OE | 41,090 | $357.93 | $14,707,343.70 | -26.1% | -29.8% | -63.7% | |
| Oct 5, 2021 | SNOW Snowflake Inc. | Director | Sale+OE | 41,090 | $291.44 | $11,975,272.00 | -26.1% | +10.6% | -38.3% |