Insider

Insider

Form 4/4-A open-market insider transactions (officers, directors, 10% owners) · 94 transactions
Table I (non-derivative) transactions only -- common stock bought, sold, awarded, exercised, or tax-withheld. Covers this app's full ticker Universe (backfilled INSIDER_LOOKBACK_QUARTERS quarters back, continuously monitored) plus whatever the market-wide discovery has found beyond it. Informational only: never summed into the core flow ranking.
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Ticker Insider Role Type Date Shares Price Value Notes Filing
AMPL Skates Spenser CEO and President Conversion 10b5-1 2026-09-10 185,000 — — Acquired (185,000 owned after) EDGAR
AMPL Skates Spenser CEO and President Sale 10b5-1 2026-09-10 185,000 $12.30 $2,275,611 Disposed (0 owned after) EDGAR
AMPL Crook Nathaniel Glenn Chief Commercial Officer Sale 10b5-1 2026-09-04 300,000 $12.99 $3,897,750 Disposed (1,622,696 owned after) EDGAR
AMPL Liu Curtis Chief Technology Officer Tax withholding 2026-08-17 53,878 $13.03 $702,030 Disposed (950,316 owned after) EDGAR
AMPL Skates Spenser CEO and President Tax withholding 2026-08-17 52,369 $13.03 $682,368 Disposed (1,231,188 owned after) EDGAR
AMPL Casey Andrew Chief Financial Officer Tax withholding 2026-08-17 72,814 $13.03 $948,766 Disposed (1,363,338 owned after) EDGAR
AMPL Crook Nathaniel Glenn Chief Commercial Officer Tax withholding 2026-08-17 109,368 $13.03 $1,425,065 Disposed (1,922,696 owned after) EDGAR
AMPL Tzuo Tien Director Award 2026-07-05 1,521 — — Acquired (101,601 owned after) EDGAR
AMPL Schultz Erica Director Award 2026-07-05 1,659 — — Acquired (143,100 owned after) EDGAR
AMPL Wong Catherine Director Sale 10b5-1 2026-06-12 7,453 $6.79 $50,580 Disposed (111,462 owned after) EDGAR
AMPL Wong Catherine Director Award 2026-06-09 24,857 — — Acquired (118,915 owned after) EDGAR
AMPL Gill Ronald S Director Award 2026-06-09 24,857 — — Acquired (99,535 owned after) EDGAR
AMPL Grady Patrick W Director Award 2026-06-09 24,857 — — Acquired (85,806 owned after) EDGAR
AMPL Whitehurst James M Director Award 2026-06-09 24,857 — — Acquired (187,201 owned after) EDGAR
AMPL Schultz Erica Director Award 2026-06-09 24,857 — — Acquired (141,441 owned after) EDGAR
AMPL Liu Curtis Chief Technology Officer Sale 10b5-1 2026-06-01 22,201 $8.03 $178,183 Disposed (1,004,779 owned after) EDGAR
AMPL Liu Curtis Chief Technology Officer Sale 10b5-1 2026-06-01 22,786 $8.03 $182,878 Disposed (1,004,194 owned after) EDGAR
AMPL Liu Curtis Chief Technology Officer Tax withholding 2026-05-15 40,279 $6.06 $244,091 Disposed (1,026,980 owned after) EDGAR
AMPL Crook Nathaniel Glenn Chief Commercial Officer Tax withholding 2026-05-15 101,292 $6.06 $613,830 Disposed (2,032,064 owned after) EDGAR
AMPL Skates Spenser CEO and President Tax withholding 2026-05-15 39,562 $6.06 $239,746 Disposed (1,283,557 owned after) EDGAR
AMPL Casey Andrew Chief Financial Officer Tax withholding 2026-05-15 64,872 $6.06 $393,124 Disposed (1,436,152 owned after) EDGAR
AMPL Liu Curtis Chief Technology Officer Sale 10b5-1 2026-05-04 17,586 $8.12 $142,877 Disposed (1,067,259 owned after) EDGAR
AMPL Skates Spenser CEO and President Award 2026-04-21 1,323,119 — — Acquired (1,323,119 owned after) EDGAR
AMPL Liu Curtis Chief Technology Officer Award 2026-04-15 417,827 — — Acquired (1,084,845 owned after) EDGAR
AMPL Casey Andrew Chief Financial Officer Award 2026-04-15 431,754 — — Acquired (1,498,524 owned after) EDGAR
AMPL Crook Nathaniel Glenn Chief Commercial Officer Award 2026-04-15 278,551 — — Acquired (1,156,096 owned after) EDGAR
AMPL Crook Nathaniel Glenn Chief Commercial Officer Award 2026-04-15 974,930 — — Acquired (2,131,026 owned after) EDGAR
AMPL Tzuo Tien Director Award 2026-04-05 1,538 — — Acquired (100,080 owned after) EDGAR
AMPL Schultz Erica Director Award 2026-04-05 1,678 — — Acquired (116,584 owned after) EDGAR
AMPL Liu Curtis Chief Technology Officer Sale 10b5-1 2026-03-06 33,201 $8.01 $265,840 Disposed (603,756 owned after) EDGAR
AMPL Liu Curtis Chief Technology Officer Sale 10b5-1 2026-03-05 30,061 $8.00 $240,539 Disposed (636,957 owned after) EDGAR
AMPL Casey Andrew Chief Financial Officer Tax withholding 2026-02-15 39,438 $6.34 $250,037 Disposed (1,066,770 owned after) EDGAR
AMPL HANSEN THOMAS NEERGAARD President Tax withholding 2026-02-15 69,142 $6.34 $438,360 Disposed (1,845,845 owned after) EDGAR
AMPL Liu Curtis Chief Technology Officer Tax withholding 2026-02-15 26,672 $6.34 $169,100 Disposed (730,280 owned after) EDGAR
AMPL Tzuo Tien Director Award 2026-01-05 999 — — Acquired (98,542 owned after) EDGAR
AMPL Skates Spenser Chief Executive Officer Conversion 10b5-1 2025-12-26 100 — — Acquired (100 owned after) EDGAR
AMPL Skates Spenser Chief Executive Officer Sale 10b5-1 2025-12-26 100 $12.00 $1,200 Disposed (0 owned after) EDGAR
AMPL Skates Spenser Chief Executive Officer Conversion 10b5-1 2025-12-24 42,743 — — Acquired (42,743 owned after) EDGAR
AMPL Skates Spenser Chief Executive Officer Sale 10b5-1 2025-12-24 42,743 $12.01 $513,433 Disposed (0 owned after) EDGAR
AMPL Schultz Erica Director Option exercise 10b5-1 2025-12-15 10,000 $4.19 $41,900 Acquired (124,906 owned after) EDGAR
AMPL Schultz Erica Director Sale 10b5-1 2025-12-15 10,000 $10.88 $108,758 Disposed (114,906 owned after) EDGAR
AMPL Casey Andrew Chief Financial Officer Tax withholding 2025-11-15 54,400 $10.73 $583,712 Disposed (1,106,208 owned after) EDGAR
AMPL HANSEN THOMAS NEERGAARD President Tax withholding 2025-11-15 91,618 $10.73 $983,061 Disposed (1,914,987 owned after) EDGAR
AMPL Liu Curtis Chief Technology Officer Tax withholding 2025-11-15 36,092 $10.73 $387,267 Disposed (756,952 owned after) EDGAR
AMPL Skates Spenser Chief Executive Officer Conversion 10b5-1 2025-11-11 400,000 — — Acquired (400,000 owned after) EDGAR
AMPL Skates Spenser Chief Executive Officer Sale 10b5-1 2025-11-11 400,000 $10.99 $4,395,320 Disposed (0 owned after) EDGAR
AMPL Casey Andrew Chief Financial Officer Purchase 2025-11-07 30,000 $9.99 $299,790 Acquired (1,160,608 owned after) EDGAR
AMPL Schultz Erica Director Sale 10b5-1 2025-10-15 10,000 $10.12 $101,229 Disposed (107,406 owned after) EDGAR
AMPL Schultz Erica Director Option exercise 10b5-1 2025-10-15 10,000 $4.19 $41,900 Acquired (117,406 owned after) EDGAR
AMPL Tzuo Tien Director Award 2025-10-05 977 — — Acquired (97,543 owned after) EDGAR
AMPL Schultz Erica Director Sale 10b5-1 2025-09-15 10,000 $11.06 $110,633 Disposed (107,406 owned after) EDGAR
AMPL Schultz Erica Director Option exercise 10b5-1 2025-09-15 10,000 $4.19 $41,900 Acquired (117,406 owned after) EDGAR
AMPL Casey Andrew Chief Financial Officer Tax withholding 2025-08-15 54,399 $11.47 $623,957 Disposed (1,128,108 owned after) EDGAR
AMPL HANSEN THOMAS NEERGAARD President Tax withholding 2025-08-15 95,809 $11.47 $1,098,929 Disposed (2,006,605 owned after) EDGAR
AMPL Liu Curtis Chief Technology Officer Tax withholding 2025-08-15 34,301 $11.47 $393,432 Disposed (793,044 owned after) EDGAR
AMPL Schultz Erica Director Sale 10b5-1 2025-08-15 7,500 $11.46 $85,968 Disposed (107,406 owned after) EDGAR
AMPL Schultz Erica Director Option exercise 10b5-1 2025-08-15 7,500 $4.19 $31,425 Acquired (114,906 owned after) EDGAR
AMPL Schultz Erica Director Sale 10b5-1 2025-07-15 7,500 $12.56 $94,205 Disposed (107,406 owned after) EDGAR
AMPL Schultz Erica Director Option exercise 10b5-1 2025-07-15 7,500 $4.19 $31,425 Acquired (114,906 owned after) EDGAR
AMPL Tzuo Tien Director Award 2025-07-05 894 — — Acquired (96,566 owned after) EDGAR
AMPL Schultz Erica Director Award 2025-06-12 14,906 — — Acquired (107,406 owned after) EDGAR
AMPL Whitehurst James M Director Award 2025-06-12 14,906 — — Acquired (162,344 owned after) EDGAR
AMPL Wong Catherine Director Award 2025-06-12 14,906 — — Acquired (94,058 owned after) EDGAR
AMPL Vishria Eric Director Award 2025-06-12 14,906 — — Acquired (64,712 owned after) EDGAR
AMPL Gill Ronald S Director Award 2025-06-12 14,906 — — Acquired (74,678 owned after) EDGAR
AMPL Grady Patrick W Director Award 2025-06-12 14,906 — — Acquired (60,949 owned after) EDGAR
AMPL Schultz Erica Director Option exercise 10b5-1 2025-06-11 7,500 $4.19 $31,425 Acquired (100,000 owned after) EDGAR
AMPL Wong Catherine Director Sale 10b5-1 2025-06-11 8,502 $12.49 $106,204 Disposed (79,152 owned after) EDGAR
AMPL Schultz Erica Director Sale 10b5-1 2025-06-11 26,394 $12.49 $329,730 Disposed (92,500 owned after) EDGAR
AMPL Wong Catherine Director Sale 10b5-1 2025-05-19 3,515 $11.75 $41,306 Disposed (87,654 owned after) EDGAR
AMPL Liu Curtis Chief Technology Officer Tax withholding 2025-05-15 25,533 $12.14 $309,971 Disposed (827,345 owned after) EDGAR
AMPL HANSEN THOMAS NEERGAARD President Tax withholding 2025-05-15 95,810 $12.14 $1,163,133 Disposed (2,102,414 owned after) EDGAR
AMPL Vishria Eric Director Sale 10b5-1 2025-05-08 25,000 $10.15 $253,658 Disposed (261,859 owned after) EDGAR
AMPL HANSEN THOMAS NEERGAARD President Award 2025-04-25 565,031 — — Acquired (2,198,224 owned after) EDGAR
AMPL Liu Curtis Chief Technology Officer Award 2025-04-25 852,878 — — Acquired (852,878 owned after) EDGAR
AMPL Tzuo Tien Director Award 2025-04-05 398 — — Acquired (95,672 owned after) EDGAR
AMPL Vishria Eric Director Award 2025-04-05 643 — — Acquired (49,806 owned after) EDGAR
AMPL Casey Andrew Chief Financial Officer Purchase 2025-03-13 21,000 $11.42 $239,765 Acquired (1,076,992 owned after) EDGAR
AMPL Wong Catherine Director Sale 10b5-1 2025-03-11 3,515 $12.04 $42,336 Disposed (91,169 owned after) EDGAR
AMPL Vishria Eric Director Sale 10b5-1 2025-02-24 35,000 $12.80 $447,836 Disposed (286,859 owned after) EDGAR
AMPL Tzuo Tien Director Award 2025-02-22 44,462 — — Acquired (95,274 owned after) EDGAR
AMPL Vishria Eric Director J 2025-02-20 45,651 — — Acquired (321,859 owned after) EDGAR
AMPL Vishria Eric Director J 2025-02-20 1,000,000 — — Disposed (0 owned after) EDGAR
AMPL Vishria Eric Director Conversion 2025-02-20 1,000,000 — — Acquired (1,000,000 owned after) EDGAR
AMPL Casey Andrew Chief Financial Officer Tax withholding 2025-02-15 35,748 $12.04 $430,406 Disposed (1,055,992 owned after) EDGAR
AMPL HANSEN THOMAS NEERGAARD President Tax withholding 2025-02-15 60,015 $12.04 $722,581 Disposed (1,633,193 owned after) EDGAR
AMPL Vishria Eric Director Sale 10b5-1 2025-01-28 3,563 $12.00 $42,756 Disposed (276,208 owned after) EDGAR
AMPL Vishria Eric Director Award 2025-01-05 683 — — Acquired (49,163 owned after) EDGAR
AMPL Vishria Eric Director Sale 10b5-1 2024-12-13 6,437 $12.02 $77,353 Disposed (279,771 owned after) EDGAR
AMPL Wong Catherine Director Sale 10b5-1 2024-11-18 3,515 $9.57 $33,644 Disposed (94,684 owned after) EDGAR
AMPL HANSEN THOMAS NEERGAARD President Tax withholding 2024-11-15 71,757 $9.59 $688,150 Disposed (1,693,208 owned after) EDGAR
AMPL Casey Andrew Chief Financial Officer Tax withholding 2024-11-15 33,852 $9.59 $324,641 Disposed (1,091,740 owned after) EDGAR
AMPL Vishria Eric Director Sale 10b5-1 2024-11-12 25,000 $10.18 $254,482 Disposed (286,208 owned after) EDGAR
AMPL Vishria Eric Director Award 2024-10-05 854 — — Acquired (48,480 owned after) EDGAR
Long US-equity 13F disclosures only · up to 45-day reporting lag · sells = reduce/avoid, not short. JSON: /api/signals · /api/funds · /api/status