Stephen A Mcmahon
Insider
First SEC filing: June 9, 2026 · Latest: June 9, 2026
Insider at
Insider transactions
1 buys (P)
0 sells (S)
Net: $107,250
Avg return of open purchases vs now: 68.4%
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 5, 2026 | DT | M | 5,821 | · | · | 27,834 Direct | +26.44% | Acquired | (price as of 2026-10-05) |
| Sept. 5, 2026 | DT | F | 3,141 | $51.90 | $163,018 | 24,693 Direct | -11.28% | Disposed | 16.0% (price as of 2026-10-05) |
| Sept. 5, 2026 | DT | M | 3,982 | · | · | 28,675 Direct | +16.13% | Acquired | (price as of 2026-10-05) |
| Sept. 5, 2026 | DT | F | 2,149 | $51.90 | $111,533 | 26,526 Direct | -7.49% | Disposed | 16.0% (price as of 2026-10-05) |
| Sept. 5, 2026 | DT | M | 5,821 | · | · | 64,032 Direct | -8.33% | Disposed | (price as of 2026-10-05) |
| Sept. 5, 2026 | DT | M | 3,982 | · | · | 43,794 Direct | -8.33% | Disposed | (price as of 2026-10-05) |
| June 5, 2026 | DT | M | 23,285 | · | · | 27,240 Direct | +588.75% | Acquired | (price as of 2026-10-05) |
| June 5, 2026 | DT | F | 12,560 | $42.19 | $529,906 | 14,680 Direct | -46.11% | Disposed | 42.7% (price as of 2026-10-05) |
| June 5, 2026 | DT | M | 15,926 | · | · | 30,606 Direct | +108.49% | Acquired | (price as of 2026-10-05) |
| June 5, 2026 | DT | F | 8,593 | $42.19 | $362,539 | 22,013 Direct | -28.08% | Disposed | 42.7% (price as of 2026-10-05) |
| June 5, 2026 | DT | M | 23,285 | · | · | 69,853 Direct | -25.00% | Disposed | (price as of 2026-10-05) |
| June 5, 2026 | DT | M | 15,926 | · | · | 47,776 Direct | -25.00% | Disposed | (price as of 2026-10-05) |
| June 5, 2026 | DT | A | 37,924 | · | · | 37,924 Direct | · | Acquired | (price as of 2026-10-05) |
| May 16, 2026 | DT | A | 63,702 | · | · | 63,702 Direct | · | Acquired | (price as of 2026-10-05) |
| March 3, 2026 | DT | P | 3,000 | $35.75 | $107,250 | 3,454 Direct | +660.79% | Acquired | 68.4% (price as of 2026-10-05) |
| June 5, 2025 | DT | A | 93,138 | · | · | 93,138 Direct | · | Acquired | (price as of 2026-10-05) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Sept. 5, 2026 | DT | Restricted Stock Units | Common Stock | · | · | 5,821 | Disposed |
| Sept. 5, 2026 | DT | Performance Restricted Stock Units (Financial) | Common Stock | · | · | 3,982 | Disposed |
| June 5, 2026 | DT | Restricted Stock Units | Common Stock | · | · | 23,285 | Disposed |
| June 5, 2026 | DT | Performance Restricted Stock Units (Financial) | Common Stock | · | · | 15,926 | Disposed |
| June 5, 2026 | DT | Restricted Stock Units | Common Stock | · | · | 37,924 | Acquired |
| May 16, 2026 | DT | Performance Restricted Stock Units (Financial) | Common Stock | · | · | 63,702 | Acquired |
| June 5, 2025 | DT | Restricted Stock Units | Common Stock | · | · | 93,138 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).