Amplitude AMPL Insider Ownership

NASDAQ AMPL
$13.02 -0.53 (-3.91%)
At close: Sep 4, 2026 · 4:00 PM EDT

Insider Holdings by Owner

23.69Mn Shares

Insider Ownership Statistics

as of 30 Sep, 2026
Insider Ownership
8.23%
■0% pp QoQ
Shares Held by Insiders
10.95Mn
filed for Sep 2026
■0.00% QoQ
Shares Outstanding
133.00Mn
132,997,000 shares
Direct Holdings
0
Indirect: 10.95Mn
Net Shares Traded (QoQ)
0
no net change in Sep 2026
Insiders Holding Shares
22
with Form 4 holdings on file

Shares Owned by Insiders

Shares held % of outstanding
Latest —
Average ownership —
Peak ownership —

Shares Purchased/Sold by Insiders

Bought Sold
Latest quarter —
Net over range —
Buying quarters —

Insider Ownership Summary

Quarter ending 30 Sep, 2026

AMPL's three largest insider shareholders as of September 05, 2026 are Neeraj Agrawal (TenPercentOwner, 10.62Mn shares), Partners Xi, Llc Battery (TenPercentOwner, 8.59Mn shares), Partners Xi, Llc Battery (TenPercentOwner, 8.59Mn shares).

Form 4 Holdings

Insiders Holding AMPL

Insiders 22
Shares held 23.69Mn
Of outstanding 17.81%
# Insider Position Direct Indirect Total Share of Insiders Last Filed
1 Partners Xi, Llc Battery TenPercentOwner 0 8,587,825 8,587,825 36.3% 23 Mar, 2023
2 Management Corp. Battery TenPercentOwner 0 6,076,345 6,076,345 25.7% 11 May, 2022
3 Nathaniel Glenn Crook Chief Commercial Officer 1,922,696 0 1,922,696 8.1% 18 Aug, 2026
4 Andrew Casey Chief Financial Officer 1,363,338 0 1,363,338 5.8% 18 Aug, 2026
5 Spenser Skates Ceo And President 1,231,188 0 1,231,188 5.2% 18 Aug, 2026
6 Curtis Liu Chief Technology Officer 950,316 0 950,316 4.0% 18 Aug, 2026
7 Christopher Harms Chief Financial Officer 833,853 0 833,853 3.5% 17 May, 2024
8 Hoang Vuong Chief Financial Officer 813,896 0 813,896 3.4% 03 Jan, 2023
9 Neeraj Agrawal TenPercentOwner 0 327,766 327,766 1.4% 09 Jan, 2024
10 Ventures Select Fund I, L.P. Battery TenPercentOwner 0 327,766 327,766 1.4% 09 Jan, 2024
11 Matthew Heinz Chief Revenue Officer 272,949 0 272,949 1.2% 17 Jun, 2022
12 Tien Tzuo Director 197,273 0 197,273 0.8% 07 Jul, 2026
13 James M Whitehurst Director 187,201 0 187,201 0.8% 11 Jun, 2026
14 Erica Schultz Director 141,441 0 141,441 0.6% 11 Jun, 2026
15 Sarah E Tavel TenPercentOwner 115,087 0 115,087 0.5% 11 Aug, 2022
16 Catherine Wong Director 111,462 0 111,462 0.5% 15 Jun, 2026
17 Ninos Sarkis Chief Accounting Officer 83,891 0 83,891 0.4% 21 Feb, 2023
18 Dennis B Phelps TenPercentOwner 70,510 0 70,510 0.3% 19 Nov, 2021
19 Venture Partners Xv Executive Fund, L.P. Institutional TenPercentOwner 0 29,835 29,835 0.1% 28 Oct, 2021
20 Venture Management Xv, Llc Institutional TenPercentOwner 0 29,835 29,835 0.1% 28 Oct, 2021
21 An-Yen Hu TenPercentOwner 0 10,285 10,285 0.0% 02 Dec, 2022
22 Steven M Spurlock TenPercentOwner 0 1,214 1,214 0.0% 16 Nov, 2021

Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.

Form 4 Filings

2,355 Insider Transactions

Source SEC Form 4
Latest quarter Sep 2026
Download Data
Date Insider Position Transaction Shares Price Value Shares Held After Ownership
17 Aug, 2026 Curtis Liu Chief Technology Officer Disposed F 53,878 $13.03 $702.03K 950,316 Direct
17 Aug, 2026 Spenser Skates Ceo And President Disposed F 52,369 $13.03 $682.37K 1,231,188 Direct
17 Aug, 2026 Andrew Casey Chief Financial Officer Disposed F 72,814 $13.03 $948.77K 1,363,338 Direct
17 Aug, 2026 Nathaniel Glenn Crook Chief Commercial Officer Disposed F 109,368 $13.03 $1.43Mn 1,922,696 Direct
08 Jul, 2026 Curtis Liu Chief Technology Officer Disposed G 175,000 $0.00 $0 7,207,208 Indirect
08 Jul, 2026 Curtis Liu Chief Technology Officer Acquired G 175,000 $0.00 $0 175,000 Indirect
05 Jul, 2026 Tien Tzuo Director Acquired A 1,521 $0.00 $0 101,601 Direct
01 Jun, 2026 Curtis Liu Chief Technology Officer Disposed S 22,786 $8.03 $182.88K 1,004,194 Direct
12 Jun, 2026 Catherine Wong Director Disposed S 7,453 $6.79 $50.58K 111,462 Direct
09 Jun, 2026 Erica Schultz Director Acquired A 24,857 $0.00 $0 141,441 Direct
09 Jun, 2026 James M Whitehurst Director Acquired A 24,857 $0.00 $0 187,201 Direct
09 Jun, 2026 Ronald S Gill Director Acquired A 24,857 $0.00 $0 99,535 Direct
09 Jun, 2026 Catherine Wong Director Acquired A 24,857 $0.00 $0 118,915 Direct
01 Jun, 2026 Curtis Liu Chief Technology Officer Disposed S 22,201 $8.03 $178.18K 1,004,779 Direct
15 May, 2026 Nathaniel Glenn Crook Chief Commercial Officer Disposed F 101,292 $6.06 $613.83K 2,032,064 Direct
15 May, 2026 Andrew Casey Chief Financial Officer Disposed F 64,872 $6.06 $393.12K 1,436,152 Direct
15 May, 2026 Curtis Liu Chief Technology Officer Disposed F 40,279 $6.06 $244.09K 1,026,980 Direct
15 May, 2026 Spenser Skates Ceo And President Disposed F 39,562 $6.06 $239.75K 1,283,557 Direct
04 May, 2026 Curtis Liu Chief Technology Officer Disposed S 17,586 $8.12 $142.88K 1,067,259 Direct
21 Apr, 2026 Spenser Skates Ceo And President Acquired A 1,323,119 $0.00 $0 1,323,119 Direct