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© 2026 InsiderTradingScreener.com. Data from SEC EDGAR Form 4 filings.For informational purposes only. Not financial advice.
Home/Insiders/Shaffer Mark A

Shaffer Mark A

Officer

Officer
Total trades
33
Bought (open market)
$0
Sold (open market)
$1.8M
Tickers traded
1
Shaffer Mark A, Vice President, General Counsel and Secretary of Liquidity Services (LQDT), has been an active seller of company stock over the past several months, with Form 4 filings showing a pronounced disposition bias. Across 51 transactions, all involving LQDT, Shaffer has recorded zero open-market purchases and total sales of approximately $1.82 million. The most recent activity, clustered in May 2026, shows a clear pattern: a series of option exercises (coded “M”) followed immediately by open-market sales (coded “S”) of the underlying shares. On May 11, 2026 alone, Shaffer executed multiple same-day exercises and sales, with individual sale values ranging from roughly $29,500 to $114,500, and a larger disposition on May 22, 2026, valued at $1.54 million. The transaction structure is consistent with a compensation-driven liquidation rather than a discretionary bet against the stock. The option exercises carry zero or nominal exercise values, indicating they are routine awards or grants being converted to shares, which are then sold to realize cash. The May 11 cluster, for instance, pairs exercises valued between roughly $7,100 and $57,200 with sales of comparable size, suggesting a mechanical sell-to-cover or profit-taking strategy. The single largest sale, the $1.54 million transaction on May 22, dominates the recent volume and accounts for the bulk of the total sell value, but it follows the same exercise-and-sell template seen throughout the filing history. Notably, there are no recent purchases (coded “P”) or acquisitions (coded “A”) in the data, and the six most recent sell-coded trades all occurred within an 11-day window in May 2026. This concentration, combined with the absence of any buy-side activity, points to a sustained reduction in Shaffer’s direct equity stake in LQDT. While the filings do not indicate whether these sales were pre-arranged under a Rule 10b5-1 plan, the pattern is unambiguous: Shaffer has been monetizing equity compensation, not accumulating additional shares.

AI-assisted summary

12-month activity

Monthly buy vs sell totals from Shaffer Mark A's Form 4 filings.

BuysSellsFilings with no price (gifts, grants)
Show data table
MonthBuysSellsFilings
November 2025$0$49K5
December 2025$0$04
January 2026$0$08
February 2026$0$06
March 2026$0$00
April 2026$0$00
May 2026$0$1.8M22
June 2026$0$00
July 2026$0$00
August 2026$0$04
September 2026$0$00
October 2026$0$00

Recent trades

Most recent Form 4 filings by Shaffer Mark A.

  • Shaffer Mark Aexercised1,265 shares ofLQDTat $0Aug 21 · filed Aug 25Details
  • Shaffer Mark Aexercised1,463 shares ofLQDTat $0Aug 21 · filed Aug 25Details
  • Shaffer Mark Aexercised667 shares ofLQDTat $0Aug 21 · filed Aug 25Details

Explore insider screeners

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Shaffer Mark A
exercised
771 shares of
LQDT
at $0
Aug 21 · filed Aug 25Details
  • Shaffer Mark Asold45,246 shares ofLQDTat $34$1.5MMay 22 · filed May 26Details
  • Shaffer Mark Aexercised2,530 shares ofLQDTat $0May 14 · filed May 18Details
  • Shaffer Mark Aexercised1,714 shares ofLQDTat $0May 14 · filed May 18Details
  • Shaffer Mark Aexercised864 shares ofLQDTat $17.31$15KMay 11 · filed May 13Details
  • Shaffer Mark Aexercised1,232 shares ofLQDTat $17.31$21KMay 11 · filed May 13Details
  • Shaffer Mark Asold866 shares ofLQDTat $34.62$30KMay 11 · filed May 13Details
  • Shaffer Mark Aexercised866 shares ofLQDTat $21.62$19KMay 11 · filed May 13Details
  • Shaffer Mark Asold852 shares ofLQDTat $34.62$29KMay 11 · filed May 13Details
  • Shaffer Mark Aexercised852 shares ofLQDTat $21.62$18KMay 11 · filed May 13Details
  • Shaffer Mark Asold3,307 shares ofLQDTat $34.62$114KMay 11 · filed May 13Details
  • Shaffer Mark Aexercised3,307 shares ofLQDTat $17.31$57KMay 11 · filed May 13Details
  • Shaffer Mark Asold874 shares ofLQDTat $34.62$30KMay 11 · filed May 13Details
  • Shaffer Mark Aexercised874 shares ofLQDTat $14$12KMay 11 · filed May 13Details
  • Shaffer Mark Asold864 shares ofLQDTat $35.15$30KMay 11 · filed May 13Details
  • Shaffer Mark Aexercised322 shares ofLQDTat $22.2$7KMay 11 · filed May 13Details
  • Shaffer Mark Aexercised1,301 shares ofLQDTat $14$18KMay 11 · filed May 13Details
  • View all 33 trades →