Insider · CIK 0001677053
Mark A Shaffer
officer
Files at LQDT (LIQUIDITY SERVICES INC). First filing Feb 12, 2025, latest May 26, 2026.
In brief
Mark A Shaffer files SEC Form 4 as officer at LQDT (LIQUIDITY SERVICES INC). Since Feb 12, 2025, Mark A Shaffer has reported 0 open-market buys worth $0 and 4 open-market sells worth $2.5M, the latest filed on May 26, 2026.
A track record needs three past buys with six months of prices behind them; Mark A Shaffer has 0, so none is measured yet.
The newest scored trade: sold $1.5M of LQDT on May 22, 2026, filed May 26, 2026, scored 75 (notable). In the last 12 months: 0 buys worth $0 and 3 sells worth $1.8M.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 4
$0 bought, $2.5M sold
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
LQDT: LIQUIDITY SERVICES INC
LQDTOct 9, 2026 · close 43.13
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 75Notable | LIQUIDITY SERVICES INC | $1.5M 45,246 shares | -61% | +55% from low-8% from high | |
| 28Weak | LIQUIDITY SERVICES INC | $235k 6,763 shares | -10% | +55% from low-8% from high | |
| 22Weak | LIQUIDITY SERVICES INC | $49k 1,719 shares | -3% | +30% from low-23% from high | |
| 45Moderate | LIQUIDITY SERVICES INC | $669k 19,175 shares | -38% | +58% from low-10% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| May 22, 2026 | LQDT LIQUIDITY SERVICES, INC. | 45,246 0.15% of outstanding | $1.5M | May 22, 2026 | $235k |
| May 11, 2026 | LQDT LIQUIDITY SERVICES, INC. | 6,763 0.02% of outstanding | $235k | May 11, 2026 | none |
| Feb 12, 2025 | LQDT LIQUIDITY SERVICES, INC. | 5,425 0.02% of outstanding | $194k | Feb 12, 2025 | $475k |
| Feb 10, 2025 | LQDT LIQUIDITY SERVICES INC | 13,750 0.04% of outstanding | $517k | Feb 10, 2025 | none |
Transactions
The newest 50 of 110 rows this insider has filed.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Aug 21, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Common Stockindirect: By The Mark A. Shaffer Revocable Trust | +771 | $0.00 | $0 | 29,169 | Aug 25, 2026 |
| Aug 21, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Common Stockindirect: By The Mark A. Shaffer Revocable Trust | +667 | $0.00 | $0 | 29,836 | Aug 25, 2026 |
| Aug 21, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Restricted Stock Unit Grantderivative | -1,463 | $0.00 | $0 | 1,463 | Aug 25, 2026 |
| Aug 21, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Restricted Stock Unit Grantderivative | -1,265 | $0.00 | $0 | 5,060 | Aug 25, 2026 |
| May 22, 2026 | LQDT LIQUIDITY SERVICES INC | SOpen-market sale Common Stockindirect: By The Mark A. Shaffer Revocable Trust | -45,246 | $34.00 | $1.5M | 28,398 | May 26, 2026 |
| May 14, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Common Stockindirect: By The Mark A. Shaffer Revocable Trust | +1,714 | $0.00 | $0 | 73,644 | May 18, 2026 |
| May 14, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Restricted Stock Unit Grantderivative | -2,530 | $0.00 | $0 | 6,325 | May 18, 2026 |
| May 11, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Common Stockindirect: By The Mark A. Shaffer Revocable Trust | +874 | $14.00 | $12k | 69,540 | May 13, 2026 |
| May 11, 2026 | LQDT LIQUIDITY SERVICES INC | SOpen-market sale Common Stockindirect: By The Mark A. Shaffer Revocable Trust | -874 | $34.62 | $30k | 68,666 | May 13, 2026 |
| May 11, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Common Stockindirect: By The Mark A. Shaffer Revocable Trust | +3,307 | $17.31 | $57k | 71,973 | May 13, 2026 |
| May 11, 2026 | LQDT LIQUIDITY SERVICES INC | SOpen-market sale Common Stockindirect: By The Mark A. Shaffer Revocable Trust | -3,307 | $34.62 | $114k | 68,666 | May 13, 2026 |
| May 11, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Common Stockindirect: By The Mark A. Shaffer Revocable Trust | +852 | $21.62 | $18k | 69,518 | May 13, 2026 |
| May 11, 2026 | LQDT LIQUIDITY SERVICES INC | SOpen-market sale Common Stockindirect: By The Mark A. Shaffer Revocable Trust | -852 | $34.62 | $29k | 68,666 | May 13, 2026 |
| May 11, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Common Stockindirect: By The Mark A. Shaffer Revocable Trust | +866 | $21.62 | $19k | 69,532 | May 13, 2026 |
| May 11, 2026 | LQDT LIQUIDITY SERVICES INC | SOpen-market sale Common Stockindirect: By The Mark A. Shaffer Revocable Trust | -866 | $34.62 | $30k | 68,666 | May 13, 2026 |
| May 11, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Common Stockindirect: By The Mark A. Shaffer Revocable Trust | +864 | $17.31 | $15k | 69,530 | May 13, 2026 |
| May 11, 2026 | LQDT LIQUIDITY SERVICES INC | SOpen-market sale Common Stockindirect: By The Mark A. Shaffer Revocable Trust | -864 | $35.15 | $30k | 68,666 | May 13, 2026 |
| May 11, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Common Stockindirect: By The Mark A. Shaffer Revocable Trust | +322 | $22.20 | $7,148 | 68,988 | May 13, 2026 |
| May 11, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Common Stockindirect: By The Mark A. Shaffer Revocable Trust | +1,301 | $14.00 | $18k | 70,289 | May 13, 2026 |
| May 11, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Common Stockindirect: By The Mark A. Shaffer Revocable Trust | +1,232 | $17.31 | $21k | 71,521 | May 13, 2026 |
| May 11, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Common Stockindirect: By The Mark A. Shaffer Revocable Trust | +409 | $21.62 | $8,843 | 71,930 | May 13, 2026 |
| May 11, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Stock Option Grantderivative | -322 | $0.00 | $0 | 0 | May 13, 2026 |
| May 11, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Stock Option Grantderivative | -1,301 | $0.00 | $0 | 1,734 | May 13, 2026 |
| May 11, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Stock Option Grantderivative | -6,189 | $0.00 | $0 | 2,433 | May 13, 2026 |
| May 11, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Stock Option Grantderivative | -3,567 | $0.00 | $0 | 7,133 | May 13, 2026 |
| May 11, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Stock Option Grantderivative | -2,128 | $0.00 | $0 | 2,034 | May 13, 2026 |
| May 11, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Stock Option Grantderivative | -9,460 | $0.00 | $0 | 2,365 | May 13, 2026 |
| May 11, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Stock Option Grantderivative | -3,210 | $0.00 | $0 | 7,490 | May 13, 2026 |
| Feb 13, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Common Stockindirect: By The Mark A. Shaffer Revocable Trust | +1,794 | $0.00 | $0 | 63,122 | Feb 17, 2026 |
| Feb 13, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Common Stockindirect: By The Mark A. Shaffer Revocable Trust | +2,973 | $0.00 | $0 | 66,095 | Feb 17, 2026 |
| Feb 13, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Common Stockindirect: By The Mark A. Shaffer Revocable Trust | +2,571 | $0.00 | $0 | 68,666 | Feb 17, 2026 |
| Feb 13, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Restricted Stock Unit Grantderivative | -2,648 | $0.00 | $0 | 0 | Feb 17, 2026 |
| Feb 13, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Restricted Stock Unit Grantderivative | -4,389 | $0.00 | $0 | 2,926 | Feb 17, 2026 |
| Feb 13, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Restricted Stock Unit Grantderivative | -3,795 | $0.00 | $0 | 8,855 | Feb 17, 2026 |
| Jan 1, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Common Stockindirect: By The Mark A. Shaffer Revocable Trust | +1,429 | $0.00 | $0 | 54,733 | Jan 5, 2026 |
| Jan 1, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Common Stockindirect: By The Mark A. Shaffer Revocable Trust | +2,123 | $0.00 | $0 | 56,856 | Jan 5, 2026 |
| Jan 1, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Common Stockindirect: By The Mark A. Shaffer Revocable Trust | +2,398 | $0.00 | $0 | 59,254 | Jan 5, 2026 |
| Jan 1, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Common Stockindirect: By The Mark A. Shaffer Revocable Trust | +2,074 | $0.00 | $0 | 61,328 | Jan 5, 2026 |
| Jan 1, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Restricted Stock Unit Grantderivative | -2,180 | $0.00 | $0 | 0 | Jan 5, 2026 |
| Jan 1, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Restricted Stock Unit Grantderivative | -3,238 | $0.00 | $0 | 3,237 | Jan 5, 2026 |
| Jan 1, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Restrited Stock Unit Grantderivative | -3,657 | $0.00 | $0 | 7,315 | Jan 5, 2026 |
| Jan 1, 2026 | LQDT LIQUIDITY SERVICES INC | MOption exercise Restricted Stock Unit Grantderivative | -3,163 | $0.00 | $0 | 9,487 | Jan 5, 2026 |
| Dec 1, 2025 | LQDT LIQUIDITY SERVICES INC | MOption exercise Common Stockindirect: By The Mark A. Shaffer Revocable Trust | +684 | $0.00 | $0 | 51,758 | Dec 3, 2025 |
| Dec 1, 2025 | LQDT LIQUIDITY SERVICES INC | MOption exercise Common Stockindirect: By The Mark A. Shaffer Revocable Trust | +1,546 | $0.00 | $0 | 53,304 | Dec 3, 2025 |
| Dec 1, 2025 | LQDT LIQUIDITY SERVICES INC | MOption exercise Restricted Stock Unit Grantderivative | -1,295 | $0.00 | $0 | 5,180 | Dec 3, 2025 |
| Dec 1, 2025 | LQDT LIQUIDITY SERVICES INC | MOption exercise Restricted Stock Unit Grantderivative | -2,926 | $0.00 | $0 | 7,315 | Dec 3, 2025 |
| Nov 24, 2025 | LQDT LIQUIDITY SERVICES INC | MOption exercise Common Stockindirect: By The Mark A. Shaffer Revocable Trust | +1,719 | $14.00 | $24k | 49,390 | Nov 26, 2025 |
| Nov 24, 2025 | LQDT LIQUIDITY SERVICES INC | SOpen-market sale Common Stockindirect: By The Mark A. Shaffer Revocable Trust | -1,719 | $28.54 | $49k | 47,671 | Nov 26, 2025 |
| Nov 24, 2025 | LQDT LIQUIDITY SERVICES INC | MOption exercise Common Stockindirect: By The Mark A. Shaffer Revocable Trust | +1,452 | $22.20 | $32k | 49,123 | Nov 26, 2025 |
| Nov 24, 2025 | LQDT LIQUIDITY SERVICES INC | MOption exercise Common Stockindirect: By The Mark A. Shaffer Revocable Trust | +1,951 | $14.00 | $27k | 51,074 | Nov 26, 2025 |
50 of 110 rows shown.
Questions about Mark A Shaffer
Answered from the filings on this page, as of the latest one.
Is Mark A Shaffer buying or selling?
In the last 12 months Mark A Shaffer reported 0 open-market buys worth $0 and 3 open-market sells worth $1.8M on SEC Form 4; the latest was sold $1.5M of LQDT on May 22, 2026. Grants, option exercises and tax withholding are not counted.
How did Mark A Shaffer's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Mark A Shaffer has 0.
Where does Mark A Shaffer file Form 4?
Mark A Shaffer has filed Form 4 at LQDT (LIQUIDITY SERVICES INC) as CLO & Corp Sec. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.