David W Niemiec
CIK 1102903 · View on SEC EDGAR ↗
Insider
First SEC filing: Oct. 26, 2005 · Latest: Oct. 26, 2005
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 23 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 8, 2026 | HESM | A | 1,656 | — | — | 1,656 Direct | — | Acquired | (price as of 2026-08-21) |
| March 8, 2026 | HESM | M | 1,612 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| March 8, 2026 | HESM | M | 1,612 | — | — | 50,527 Direct | +3.30% | Acquired | (price as of 2026-08-21) |
| March 8, 2025 | HESM | A | 1,612 | — | — | 1,612 Direct | — | Acquired | (price as of 2026-08-21) |
| March 8, 2025 | HESM | M | 1,855 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| March 8, 2025 | HESM | M | 1,855 | — | — | 48,915 Direct | +3.94% | Acquired | (price as of 2026-08-21) |
| March 8, 2024 | HESM | A | 1,855 | — | — | 1,855 Direct | — | Acquired | (price as of 2026-08-21) |
| March 8, 2024 | HESM | M | 2,299 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| March 8, 2024 | HESM | M | 2,299 | — | — | 47,060 Direct | +5.14% | Acquired | (price as of 2026-08-21) |
| March 8, 2023 | HESM | A | 2,299 | — | — | 2,299 Direct | — | Acquired | (price as of 2026-08-21) |
| March 8, 2023 | HESM | M | 1,939 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| March 8, 2023 | HESM | M | 1,939 | — | — | 44,761 Direct | +4.53% | Acquired | (price as of 2026-08-21) |
| March 8, 2022 | HESM | A | 1,939 | — | — | 1,939 Direct | — | Acquired | (price as of 2026-08-21) |
| March 8, 2022 | HESM | M | 2,902 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| March 8, 2022 | HESM | M | 2,902 | — | — | 42,822 Direct | +7.27% | Acquired | (price as of 2026-08-21) |
| March 13, 2021 | HESM | M | 6,069 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| March 13, 2021 | HESM | M | 6,069 | — | — | 39,920 Direct | +17.93% | Acquired | (price as of 2026-08-21) |
| March 8, 2021 | HESM | A | 2,902 | — | — | 2,902 Direct | — | Acquired | (price as of 2026-08-21) |
| March 13, 2020 | HESM | A | 6,069 | — | — | 6,069 Direct | — | Acquired | (price as of 2026-08-21) |
| March 9, 2020 | HESM | M | 2,856 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| March 9, 2020 | HESM | M | 2,856 | — | — | 33,851 Direct | +9.21% | Acquired | (price as of 2026-08-21) |
| Dec. 16, 2019 | HESM | A | 2,856 | — | — | 2,856 Direct | — | Acquired | (price as of 2026-08-21) |
| Dec. 16, 2019 | HESM | A | 30,995 | — | — | 30,995 Direct | — | Acquired | (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| March 8, 2026 | HESM | 2026 Phantom Shares | Class A Shares (1,656) | — | — | 1,656 | Acquired |
| March 8, 2026 | HESM | 2025 Phantom Shares | Class A Shares (1,612) | $0.00 | — | 1,612 | Disposed |
| March 8, 2025 | HESM | 2025 Phantom Shares | Class A Shares (1,612) | — | — | 1,612 | Acquired |
| March 8, 2025 | HESM | 2024 Phantom Shares | Class A Shares (1,855) | $0.00 | — | 1,855 | Disposed |
| March 8, 2024 | HESM | 2024 Phantom Shares | Class A Shares (1,855) | — | — | 1,855 | Acquired |
| March 8, 2024 | HESM | 2023 Phantom Shares | Class A Shares (2,299) | $0.00 | — | 2,299 | Disposed |
| March 8, 2023 | HESM | 2023 Phantom Shares | Class A Shares (2,299) | — | — | 2,299 | Acquired |
| March 8, 2023 | HESM | 2022 Phantom Shares | Class A Shares (1,939) | $0.00 | — | 1,939 | Disposed |
| March 8, 2022 | HESM | 2022 Phantom Shares | Class A Shares (1,939) | — | — | 1,939 | Acquired |
| March 8, 2022 | HESM | 2021 Phantom Shares | Class A Shares (2,902) | $0.00 | — | 2,902 | Disposed |
| March 13, 2021 | HESM | 2020 Phantom Shares | Class A Shares (6,069) | $0.00 | — | 6,069 | Disposed |
| March 8, 2021 | HESM | 2021 Phantom Shares | Class A Shares (2,902) | — | — | 2,902 | Acquired |
| March 13, 2020 | HESM | 2020 Phantom Shares | Class A Shares (6,069) | — | — | 6,069 | Acquired |
| March 9, 2020 | HESM | 2019 Phantom Shares | Class A Shares (2,856) | $0.00 | — | 2,856 | Disposed |
| Dec. 16, 2019 | HESM | 2019 Phantom Shares | Class A Shares (2,856) | — | — | 2,856 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.