Shaffer Mark A

Officer · LQDT

As of 2026-09-16, Shaffer Mark A has 100 Form 4 transactions on record across 1 company — 55 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $218KIndirect: $1.3M$1.5Mas of 2026-09-16
  • Direct $218K
  • Indirect $1.3M
LQDTindirect29,836 sh$1.3M
LQDTdirect5,060 sh$218K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

LQDT · 100 trades
2026-08-21: Option exercise, 667 sh ($0)2026-08-21: Option exercise, 1,265 sh ($0)2026-08-21: Option exercise, 771 sh ($0)2026-08-21: Option exercise, 1,463 sh ($0)2026-05-22: Sale, 45,246 sh ($1.5M)2026-05-14: Option exercise, 2,530 sh ($0)2026-05-14: Option exercise, 1,714 sh ($0)2026-05-11: Sale, 3,307 sh ($114K)2026-05-11: Option exercise, 3,307 sh ($57K)2026-05-11: Sale, 864 sh ($30K)2026-05-11: Sale, 874 sh ($30K)2026-05-11: Sale, 866 sh ($30K)2026-05-11: Sale, 852 sh ($29K)2026-05-11: Option exercise, 1,232 sh ($21K)2026-05-11: Option exercise, 866 sh ($19K)2026-05-11: Option exercise, 852 sh ($18K)2026-05-11: Option exercise, 1,301 sh ($18K)2026-05-11: Option exercise, 864 sh ($15K)2026-05-11: Option exercise, 874 sh ($12K)2026-05-11: Option exercise, 409 sh ($9K)2026-05-11: Option exercise, 322 sh ($7K)2026-05-11: Option exercise, 6,189 sh ($0)2026-05-11: Option exercise, 3,210 sh ($0)2026-05-11: Option exercise, 9,460 sh ($0)2026-05-11: Option exercise, 2,128 sh ($0)2026-05-11: Option exercise, 3,567 sh ($0)2026-05-11: Option exercise, 1,301 sh ($0)2026-05-11: Option exercise, 322 sh ($0)2026-02-13: Option exercise, 2,973 sh ($0)2026-02-13: Option exercise, 3,795 sh ($0)2026-02-13: Option exercise, 4,389 sh ($0)2026-02-13: Option exercise, 2,648 sh ($0)2026-02-13: Option exercise, 1,794 sh ($0)2026-02-13: Option exercise, 2,571 sh ($0)2026-01-01: Option exercise, 2,123 sh ($0)2026-01-01: Option exercise, 3,163 sh ($0)2026-01-01: Option exercise, 1,429 sh ($0)2026-01-01: Option exercise, 3,657 sh ($0)2026-01-01: Option exercise, 3,238 sh ($0)2026-01-01: Option exercise, 2,180 sh ($0)2026-01-01: Option exercise, 2,074 sh ($0)2026-01-01: Option exercise, 2,398 sh ($0)2025-12-01: Option exercise, 684 sh ($0)2025-12-01: Option exercise, 2,926 sh ($0)2025-12-01: Option exercise, 1,295 sh ($0)2025-12-01: Option exercise, 1,546 sh ($0)2025-11-24: Sale, 1,719 sh ($49K)2025-11-24: Option exercise, 1,452 sh ($32K)2025-11-24: Option exercise, 1,951 sh ($27K)2025-11-24: Option exercise, 1,719 sh ($24K)2025-11-24: Option exercise, 1,452 sh ($0)2025-11-24: Option exercise, 1,951 sh ($0)2025-11-24: Option exercise, 5,203 sh ($0)2025-10-29: Award / grant, 14,250 sh ($0)2025-10-29: Award / grant, 13,750 sh ($0)2025-08-25: Option exercise, 1,550 sh ($0)2025-08-25: Option exercise, 1,463 sh ($0)2025-08-25: Option exercise, 2,590 sh ($0)2025-08-25: Option exercise, 875 sh ($0)2025-02-25: Option exercise, 1,985 sh ($0)2025-02-25: Option exercise, 2,926 sh ($0)2025-02-25: Option exercise, 2,590 sh ($0)2025-02-25: Option exercise, 1,757 sh ($0)2025-02-12: Sale, 1,942 sh ($69K)2025-02-12: Sale, 1,313 sh ($47K)2025-02-12: Option exercise, 3,957 sh ($37K)2025-02-12: Option exercise, 1,313 sh ($29K)2025-02-12: Sale, 814 sh ($29K)2025-02-12: Option exercise, 1,942 sh ($27K)2025-02-12: Sale, 720 sh ($26K)2025-02-12: Sale, 580 sh ($20K)2025-02-12: Option exercise, 720 sh ($16K)2025-02-12: Sale, 405 sh ($14K)2025-02-12: Option exercise, 814 sh ($14K)2025-02-12: Option exercise, 709 sh ($12K)2025-02-12: Sale, 231 sh ($8K)2025-02-12: Option exercise, 322 sh ($7K)2025-02-12: Option exercise, 433 sh ($6K)2025-02-12: Option exercise, 405 sh ($6K)2025-02-12: Option exercise, 231 sh ($2K)2025-02-12: Option exercise, 3,096 sh ($0)2025-02-12: Option exercise, 3,203 sh ($0)2025-02-12: Option exercise, 5,419 sh ($0)2025-02-12: Option exercise, 4,443 sh ($0)2025-02-12: Option exercise, 5,966 sh ($0)2025-02-12: Option exercise, 1,040 sh ($0)2025-02-11: Sale, 9,537 sh ($330K)2025-02-10: Sale, 3,633 sh ($126K)2025-01-17: Option exercise, 2,366 sh ($0)2025-01-17: Option exercise, 3,488 sh ($0)2025-01-02: Option exercise, 1,912 sh ($0)2025-01-02: Option exercise, 2,396 sh ($0)2025-01-02: Option exercise, 2,120 sh ($0)2025-01-02: Option exercise, 1,252 sh ($0)2025-01-02: Option exercise, 1,428 sh ($0)2025-01-02: Option exercise, 3,658 sh ($0)2025-01-02: Option exercise, 3,237 sh ($0)2025-01-02: Option exercise, 2,180 sh ($0)2024-12-20: Option exercise, 1,295 sh ($0)2024-12-20: Option exercise, 879 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-05-22LQDTSale45,246 @ $34.00$1.5M−61.4% of holding28,398Form 4
2026-05-11LQDTSale3,307 @ $34.62$114K−4.6% of holding68,666Form 4
2026-05-11LQDTSale864 @ $35.15$30K−1.2% of holding68,666Form 4
2026-05-11LQDTSale874 @ $34.62$30K−1.3% of holding68,666Form 4
2026-05-11LQDTSale866 @ $34.62$30K−1.2% of holding68,666Form 4
2026-05-11LQDTSale852 @ $34.62$29K−1.2% of holding68,666Form 4
2025-11-24LQDTSale1,719 @ $28.54$49K−3.5% of holding47,671Form 4
2025-02-12LQDTSale1,942 @ $35.67$69K−5.1% of holding36,083Form 4
2025-02-12LQDTSale1,313 @ $35.67$47K−3.5% of holding36,083Form 4
2025-02-12LQDTSale814 @ $35.78$29K−2.2% of holding36,083Form 4
2025-02-12LQDTSale720 @ $35.67$26K−2.0% of holding36,083Form 4
2025-02-12LQDTSale580 @ $34.62$20K−1.6% of holding36,083Form 4
2025-02-12LQDTSale405 @ $35.67$14K−1.1% of holding36,083Form 4
2025-02-12LQDTSale231 @ $35.78$8K−0.6% of holding36,083Form 4
2025-02-11LQDTSale9,537 @ $34.57$330K−20.6% of holding36,663Form 4
2025-02-10LQDTSale3,633 @ $34.70$126K−7.3% of holding46,200Form 4
84 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-21LQDTOption exercise66729,836Form 4
2026-08-21LQDTOption exercise1,2655,060Form 4
2026-08-21LQDTOption exercise77129,169Form 4
2026-08-21LQDTOption exercise1,4631,463Form 4
2026-05-14LQDTOption exercise2,5306,325Form 4
2026-05-14LQDTOption exercise1,71473,644Form 4
2026-05-11LQDTOption exercise3,30771,973Form 4
2026-05-11LQDTOption exercise1,23271,521Form 4
2026-05-11LQDTOption exercise86669,532Form 4
2026-05-11LQDTOption exercise85269,518Form 4
2026-05-11LQDTOption exercise1,30170,289Form 4
2026-05-11LQDTOption exercise86469,530Form 4
2026-05-11LQDTOption exercise87469,540Form 4
2026-05-11LQDTOption exercise40971,930Form 4
2026-05-11LQDTOption exercise32268,988Form 4
2026-05-11LQDTOption exercise6,1892,433Form 4
2026-05-11LQDTOption exercise3,2107,490Form 4
2026-05-11LQDTOption exercise9,4602,365Form 4
2026-05-11LQDTOption exercise2,1282,034Form 4
2026-05-11LQDTOption exercise3,5677,133Form 4
2026-05-11LQDTOption exercise1,3011,734Form 4
2026-05-11LQDTOption exercise3220Form 4
2026-02-13LQDTOption exercise2,97366,095Form 4
2026-02-13LQDTOption exercise3,7958,855Form 4
2026-02-13LQDTOption exercise4,3892,926Form 4
2026-02-13LQDTOption exercise2,6480Form 4
2026-02-13LQDTOption exercise1,79463,122Form 4
2026-02-13LQDTOption exercise2,57168,666Form 4
2026-01-01LQDTOption exercise2,12356,856Form 4
2026-01-01LQDTOption exercise3,1639,487Form 4
2026-01-01LQDTOption exercise1,42954,733Form 4
2026-01-01LQDTOption exercise3,6577,315Form 4
2026-01-01LQDTOption exercise3,2383,237Form 4
2026-01-01LQDTOption exercise2,1800Form 4
2026-01-01LQDTOption exercise2,07461,328Form 4
2026-01-01LQDTOption exercise2,39859,254Form 4
2025-12-01LQDTOption exercise68451,758Form 4
2025-12-01LQDTOption exercise2,9267,315Form 4
2025-12-01LQDTOption exercise1,2955,180Form 4
2025-12-01LQDTOption exercise1,54653,304Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.