Richard George Short
CIK 1507295 · View on SEC EDGAR ↗
Insider
First SEC filing: June 5, 2026 · Latest: June 5, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 27 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 |
|---|---|---|---|---|---|---|---|---|---|
| June 4, 2026 | MERC | A | 31,504 | — | — | — | — | — | (price as of 2026-08-20) |
| Feb. 16, 2022 | MERC | M | 1,921 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Feb. 16, 2022 | MERC | A | 1,921 | — | — | 1,921 Direct | — | Acquired | (price as of 2026-08-20) |
| Feb. 16, 2022 | MERC | F | 961 | $12.88 | $12,378 | 40,335 Direct | -2.33% | Disposed | -96.4% (price as of 2026-08-20) |
| Feb. 16, 2022 | MERC | M | 1,921 | — | — | 41,296 Direct | +4.88% | Acquired | (price as of 2026-08-20) |
| Feb. 16, 2021 | MERC | M | 3,027 | — | — | 40,889 Direct | +7.99% | Acquired | (price as of 2026-08-20) |
| Feb. 16, 2021 | MERC | F | 1,514 | $13.65 | $20,666 | 39,375 Direct | -3.70% | Disposed | -96.6% (price as of 2026-08-20) |
| Feb. 16, 2021 | MERC | A | 3,027 | — | — | 3,027 Direct | — | Acquired | (price as of 2026-08-20) |
| Feb. 16, 2021 | MERC | M | 3,027 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Feb. 13, 2020 | MERC | M | 5,760 | — | — | 40,742 Direct | +16.47% | Acquired | (price as of 2026-08-20) |
| Feb. 13, 2020 | MERC | F | 2,880 | $10.84 | $31,219 | 37,862 Direct | -7.07% | Disposed | -95.8% (price as of 2026-08-20) |
| Feb. 13, 2020 | MERC | A | 5,760 | — | — | 5,760 Direct | — | Acquired | (price as of 2026-08-20) |
| Feb. 13, 2020 | MERC | M | 5,760 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Feb. 14, 2019 | MERC | M | 13,402 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Feb. 14, 2019 | MERC | A | 13,402 | — | — | 13,402 Direct | — | Acquired | (price as of 2026-08-20) |
| Feb. 14, 2019 | MERC | F | 6,701 | $15.03 | $100,716 | 34,982 Direct | -16.08% | Disposed | -97.0% (price as of 2026-08-20) |
| Feb. 14, 2019 | MERC | M | 13,402 | — | — | 41,683 Direct | +47.39% | Acquired | (price as of 2026-08-20) |
| Jan. 5, 2016 | MERC | M | 6,329 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Jan. 5, 2016 | MERC | F | 3,165 | $8.96 | $28,358 | 21,584 Direct | -12.79% | Disposed | -94.9% (price as of 2026-08-20) |
| Jan. 5, 2016 | MERC | M | 6,329 | — | — | 24,749 Direct | +34.36% | Acquired | (price as of 2026-08-20) |
| Dec. 31, 2015 | MERC | A | 6,329 | — | — | 6,329 Direct | — | Acquired | (price as of 2026-08-20) |
| Feb. 2, 2015 | MERC | M | 6,329 | — | — | 21,458 Direct | +41.83% | Acquired | (price as of 2026-08-20) |
| Feb. 2, 2015 | MERC | F | 3,038 | $12.55 | $38,127 | 18,420 Direct | -14.16% | Disposed | -96.4% (price as of 2026-08-20) |
| Feb. 2, 2015 | MERC | M | 6,329 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Dec. 31, 2014 | MERC | A | 6,329 | — | — | 6,329 Direct | — | Acquired | (price as of 2026-08-20) |
| May 5, 2014 | MERC | F | 5,697 | $9.19 | $52,355 | 15,129 Direct | -27.36% | Disposed | -95.0% (price as of 2026-08-20) |
| May 5, 2014 | MERC | A | 12,659 | — | — | 20,826 Direct | +155.00% | Acquired | (price as of 2026-08-20) |
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 |
|---|---|---|---|---|---|---|---|
| Feb. 16, 2022 | MERC | PERFORMANCE SHARE UNITS | COMMON STOCK (1,921) | $0.00 | — | 1,921 | Disposed |
| Feb. 16, 2022 | MERC | PERFORMANCE SHARE UNITS | COMMON STOCK (1,921) | $0.00 | — | 1,921 | Acquired |
| Feb. 16, 2021 | MERC | Performance Share Units | Common Stock (3,027) | $0.00 | — | 3,027 | Acquired |
| Feb. 16, 2021 | MERC | Performance Share Units | Common Stock (3,027) | $0.00 | — | 3,027 | Disposed |
| Feb. 13, 2020 | MERC | Performance Share Units | Common Stock (5,760) | $0.00 | — | 5,760 | Acquired |
| Feb. 13, 2020 | MERC | Performance Share Units | Common Stock (5,760) | $0.00 | — | 5,760 | Disposed |
| Feb. 14, 2019 | MERC | Performance Share Units | Common Stock | $0.00 | — | 13,402 | Disposed |
| Feb. 14, 2019 | MERC | Performance Share Units | Common Stock (13,402) | $0.00 | — | 13,402 | Acquired |
| Jan. 5, 2016 | MERC | Performance Share Units | Common Stock (6,329) | — | — | 6,329 | Disposed |
| Dec. 31, 2015 | MERC | Performance Share Units | Common Stock (6,329) | — | — | 6,329 | Acquired |
| Feb. 2, 2015 | MERC | Performance Share Units | Common Stock (6,329) | — | — | 6,329 | Disposed |
| Dec. 31, 2014 | MERC | Performance Share Units | Common Stock (6,329) | — | — | 6,329 | 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 |
|---|---|---|---|---|
| Dec. 16, 2010 | MERC | Common Stock | 2,100 | Direct |