David M Shaffer
CIK 1577486 · View on SEC EDGAR ↗
First SEC filing: May 24, 2013 · Latest: May 24, 2013
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 31, 2021 | ENS | S | 7,100 | $85.02 | $603,642 | 223,655 Direct | -3.08% | Disposed | 131.7% (price as of 2026-08-19) |
| Aug. 20, 2021 | ENS | S | 8,500 | $85.25 | $724,625 | 230,755 Direct | -3.55% | Disposed | 131.1% (price as of 2026-08-19) |
| Aug. 2, 2021 | ENS | S 10b5-1 | 5,910 | $100.03 | $591,177 | 226,201 Direct | -2.55% | Disposed | 97.0% (price as of 2026-08-19) |
Showing latest 100 of 332 transactions
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 |
|---|---|---|---|---|---|---|---|
| Aug. 11, 2023 | ENS | Stock Options | Common Stock (75,284) | $104.18 | Aug. 11, 2033 | 75,284 | Acquired |
| Aug. 12, 2022 | ENS | Stock Options | Common Stock (108,673) | $77.97 | Aug. 12, 2032 | 108,673 | Acquired |
| Aug. 16, 2021 | ENS | Stock Options | Common Stock (82,015) | $100.99 | Aug. 16, 2031 | 82,015 | Acquired |
| March 15, 2021 | ENS | Stock Option | Common Stock (0) | $57.75 | Aug. 12, 2029 | 22,846 | Disposed |
| March 15, 2021 | ENS | Stock Option | Common Stock (0) | $57.60 | May 16, 2026 | 53,934 | Disposed |
| Aug. 17, 2020 | ENS | Stock Options | Common Stock (94,894) | $82.93 | Aug. 17, 2030 | 94,894 | Acquired |
| Aug. 12, 2019 | ENS | Stock Options | Common Stock (68,538) | $57.75 | Aug. 12, 2029 | 68,538 | Acquired |
| Aug. 13, 2018 | ENS | Stock Options | Common Stock (47,015) | $75.17 | Aug. 13, 2028 | 47,015 | Acquired |
| May 9, 2017 | ENS | Stock Options | Common Stock (40,256) | $83.14 | May 9, 2027 | 40,256 | Acquired |
| May 16, 2016 | ENS | Stock Options | Common Stock (53,934) | $57.60 | May 16, 2026 | 53,934 | Acquired |
| May 12, 2015 | ENS | Stock Options | Common Stock (15,662) | $68.40 | May 12, 2025 | 15,662 | Acquired |
| May 12, 2014 | ENS | Stock Options | Common Stock (6,456) | $69.85 | May 12, 2024 | 6,456 | Acquired |
| May 12, 2014 | ENS | Stock Options | Common Stock (5,648) | $69.85 | May 12, 2024 | 5,648 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 24, 2013 | ENS | Common Stock | 48,489 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2018 | $850,000 | — | — | — | $416,500 | — | $46,443 | $5,212,943 |
| 2016 | — | — | — | — | — | — | — | — |
| 2015 | — | — | — | — | — | — | — | — |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.