Comparable stake leader
Maurice J. Duca
SEC ownership of APPFOLIO INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001433195.
Disclosed value leader
Maurice J. Duca
Comparable rows
50/50
Latest evidence
20 Aug 2026
- Public ticker
- APPF on Nasdaq
- Parsed ownership sources
-
3/4/5, 13D/G, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Maurice J. Duca
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Maurice J. Duca
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
20 Aug 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001433195
- Issuer location
- Santa Barbara, CA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of APPFOLIO INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Maurice J. Duca
Disclosed value leader
Maurice J. Duca
Comparable rows
50/50
Latest evidence
20 Aug 2026
3/4/5
13D/G
13F
Lead comparable stake: 21%
13D/G row: Maurice J. Duca
Showing 1-8 of 50 holder rows.
Quick read
Maurice J. Duca leads the comparable SEC ownership view at 21%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Maurice J. Duca's linked filing trail.
Comparable ownership
Top 5
Maurice J. Duca
21%
Klaus Schauser
11%
PRINCIPAL GLOBAL INVESTORS
6.4%
Ashe Capital Management, LP
5.8%
William Shane Trigg
0.23%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Maurice J. Duca |
3/4/5
13D/G
10%+ Owner
|
21%
from 13D/G
|
$1,647,199,546
6,364,369 shares
mixed-class rows
|
-$43,009,336 | 20 Aug 2026 |
| Klaus Schauser |
13D/G
3/4/5
10%+ Owner
|
11%
|
$791,029,801
2,869,585 shares
|
$0 | 30 Sep 2025 |
| PRINCIPAL GLOBAL INVESTORS |
13D/G
|
6.4%
|
$272,080,348
1,549,609 shares
|
+$63,632,123 | 30 Jun 2026 |
| Ashe Capital Management, LP |
13D/G
13F
Company
|
5.8%
|
$316,413,877
1,331,260 shares
|
+$57,361,929 | 30 Jun 2025 |
| William Shane Trigg |
3/4/5
Chief Executive Officer, Director
|
0.23%
|
$14,508,260
70,772 shares
|
-$4,206,954 | 14 Aug 2026 |
| Robert Donald Casey III |
3/4/5
Director
|
0.09%
|
$6,749,874
28,399 shares
|
— | 01 Aug 2025 |
| Matthew S. Mazza |
3/4/5
Chief Trust Officer
|
0.08%
|
$6,928,654
25,015 shares
|
-$836,110 | 11 Sep 2025 |
| Elizabeth Erin Barat |
3/4/5
Chief People Officer
|
0.07%
|
$3,255,265
20,301 shares
|
-$312,761 | 10 Aug 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$50,147,765.
Buys
$0
Insiders: 0
Sells
$50,147,765
Insiders: 8
Net
-$50,147,765
Shares: -256,922
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 256,922
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 230,099 | $0 | $44,301,587 | -$44,301,587 |
| 3-6 | 0 | 5,562 | $0 | $859,335 | -$859,335 |
| 6-9 | 0 | 6,963 | $0 | $1,181,858 | -$1,181,858 |
| 9-12 | 0 | 14,298 | $0 | $3,804,986 | -$3,804,986 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 29 reporting-owner rows connected to APPFOLIO INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
29
Largest Forms 3/4/5 holder
Maurice J. Duca
Net 12M change
-$50,147,766
Latest report
20 Aug 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Maurice J. Duca | 10%+ Owner | $1,647,199,546 | -$43,009,336 | -2.5% | Mixed | 20 Aug 2026 |
| Timothy K. Bliss | Director | $223,182,418 | Mixed | 05 Jun 2025 | ||
| Klaus Schauser | 10%+ Owner | $120,972,750 | Mixed | 17 Nov 2025 | ||
| Jonathan Walker | Founder | $120,135,300 | Mixed | 10 Nov 2022 | ||
| Andreas von Blottnitz | Director | $116,467,271 | Mixed | 27 Jun 2025 | ||
| Alexander R. Wolf | Director | $47,765,198 | Mixed | 13 Feb 2025 | ||
| Fay Sien Goon | Chief Financial Officer | $19,460,516 | Mixed | 10 Aug 2024 | ||
| Ida Kathleen Kane | Chief Financial Officer | $15,341,642 | Mixed | 04 Jun 2021 | ||
| William Shane Trigg | Chief Executive Officer, Director | $14,508,260 | -$4,206,954 | -22% | Filing P/S | 14 Aug 2026 |
| Matthew S. Mazza | Chief Trust Officer | $6,928,654 | -$836,110 | -11% | Filing P/S | 11 Sep 2025 |
| Robert Donald Casey III | Director | $6,749,874 | Mixed | 01 Aug 2025 | ||
| Jason Robert Randall | Chief Executive Officer, Director | $3,449,200 | Mixed | 17 Dec 2021 | ||
| Timothy Mathias Eaton | Chief Financial Officer | $3,386,423 | -$607,413 | -15% | Filing P/S | 19 Aug 2026 |
| Elizabeth Erin Barat | Chief People Officer | $3,255,265 | -$312,761 | -8.8% | Median | 10 Aug 2026 |
| Janet Kerr | Director | $1,860,564 | -$712,601 | -28% | Mixed | 10 Mar 2026 |
| Winifred Markus Webb | Director | $1,455,889 | Mixed | 29 Jun 2026 | ||
| Agnes Bundy Scanlan | Director | $1,158,872 | Mixed | 29 Jun 2026 | ||
| Ann M. Wilson | Principal Accounting Officer | $1,067,231 | Mixed | 10 Feb 2022 | ||
| Evan Pickering | General Counsel | $1,038,618 | -$409,276 | -28% | Filing P/S | 10 Aug 2026 |
| Michael MiQi Yang | Director | $678,660 | Mixed | 29 Jun 2026 |
Recent insider transactions for APPFOLIO INC
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -7.17% | $539,532 | $221.85 | -2,432 | 31,500 | 21 Aug 2026 | By Pension Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -2.72% | $49,695 | $221.85 | -224 | 8,000 | 21 Aug 2026 | By Family Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -14.2% | $1,219,534 | $217.77 | -5,600 | 33,932 | 20 Aug 2026 | By Pension Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -16.3% | $348,446 | $217.78 | -1,600 | 8,224 | 20 Aug 2026 | By Family Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -12.4% | $1,194,846 | $213.37 | -5,600 | 39,532 | 19 Aug 2026 | By Pension Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -12.5% | $300,008 | $214.14 | -1,401 | 9,824 | 19 Aug 2026 | By Family Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -1.74% | $41,381 | $207.94 | -199 | 11,225 | 19 Aug 2026 | By Family Trust |
| Timothy Mathias Eaton | APPF | Class A Common Stock | Sale | -2.18% | $75,574 | $202.61 | -373 | 16,714 | 19 Aug 2026 | Direct |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -11% | $1,139,109 | $203.41 | -5,600 | 45,132 | 18 Aug 2026 | By Pension Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -12.3% | $325,474 | $203.42 | -1,600 | 11,424 | 18 Aug 2026 | By Family Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -2.08% | $133,644 | $203.42 | -657 | 31,005 | 18 Aug 2026 | Direct |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -9.94% | $1,096,969 | $195.89 | -5,600 | 50,732 | 17 Aug 2026 | By Pension Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -10.9% | $313,414 | $195.88 | -1,600 | 13,024 | 17 Aug 2026 | By Family Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -9.95% | $685,600 | $195.89 | -3,500 | 31,662 | 17 Aug 2026 | Direct |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -9.04% | $1,131,891 | $202.12 | -5,600 | 56,332 | 14 Aug 2026 | By Pension Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -9.86% | $323,407 | $202.13 | -1,600 | 14,624 | 14 Aug 2026 | By Family Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -9.05% | $707,446 | $202.13 | -3,500 | 35,162 | 14 Aug 2026 | Direct |
| William Shane Trigg | APPF | Class A Common Stock | Sale | -2.82% | $421,685 | $205.00 | -2,057 | 70,772 | 14 Aug 2026 | Direct |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -8.29% | $1,112,458 | $198.65 | -5,600 | 61,932 | 13 Aug 2026 | By Pension Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -6.31% | $218,977 | $200.35 | -1,093 | 16,224 | 13 Aug 2026 | By Family Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -2.84% | $98,897 | $195.06 | -507 | 17,317 | 13 Aug 2026 | By Family Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -8.3% | $695,354 | $198.67 | -3,500 | 38,662 | 13 Aug 2026 | Direct |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -7.66% | $1,102,785 | $196.93 | -5,600 | 67,532 | 12 Aug 2026 | By Pension Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -8.24% | $315,088 | $196.93 | -1,600 | 17,824 | 12 Aug 2026 | By Family Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -7.67% | $689,242 | $196.93 | -3,500 | 42,162 | 12 Aug 2026 | Direct |
| Evan Pickering | APPF | Class A Common Stock | Sale | -5.87% | $64,421 | $200.06 | -322 | 5,167 | 12 Aug 2026 | Direct |
| Evan Pickering | APPF | Class A Common Stock | Sale | -2.5% | $28,483 | $202.01 | -141 | 5,489 | 11 Aug 2026 | Direct |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -6.93% | $1,094,565 | $201.13 | -5,442 | 73,132 | 11 Aug 2026 | By Pension Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -0.2% | $30,924 | $195.72 | -158 | 78,574 | 11 Aug 2026 | By Pension Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -7.61% | $321,569 | $200.98 | -1,600 | 19,424 | 11 Aug 2026 | By Family Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -7.12% | $703,444 | $200.98 | -3,500 | 45,662 | 11 Aug 2026 | Direct |
| Evan Pickering | APPF | Class A Common Stock | Tax liability | -4.48% | -264 | 5,630 | 10 Aug 2026 | Direct | ||
| Don Rigler | APPF | Class A Common Stock | Tax liability | -2.59% | -107 | 4,025 | 10 Aug 2026 | Direct | ||
| Don Rigler | APPF | Class A Common Stock | Sale | -3.5% | $29,380 | $195.87 | -150 | 4,132 | 10 Aug 2026 | Direct |
| Elizabeth Erin Barat | APPF | Class A Common Stock | Tax liability | -5.77% | -1,244 | 20,301 | 10 Aug 2026 | Direct | ||
| Timothy Mathias Eaton | APPF | Class A Common Stock | Tax liability | -5.26% | -949 | 17,087 | 10 Aug 2026 | Direct | ||
| William Shane Trigg | APPF | Class A Common Stock | Tax liability | -4.86% | -3,718 | 72,829 | 10 Aug 2026 | Direct | ||
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -6.64% | $1,111,180 | $198.42 | -5,600 | 78,732 | 10 Aug 2026 | By Pension Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -7.07% | $317,493 | $198.43 | -1,600 | 21,024 | 10 Aug 2026 | By Family Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -6.65% | $694,494 | $198.43 | -3,500 | 49,162 | 10 Aug 2026 | Direct |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -6.23% | $1,110,515 | $198.31 | -5,600 | 84,332 | 07 Aug 2026 | By Pension Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -0.92% | $42,234 | $202.08 | -209 | 22,624 | 07 Aug 2026 | By Family Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -5.74% | $275,057 | $197.74 | -1,391 | 22,833 | 07 Aug 2026 | By Family Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -6.23% | $694,081 | $198.31 | -3,500 | 52,662 | 07 Aug 2026 | Direct |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -5.86% | $1,081,073 | $193.05 | -5,600 | 89,932 | 06 Aug 2026 | By Pension Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -6.2% | $308,878 | $193.05 | -1,600 | 24,224 | 06 Aug 2026 | By Family Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -5.87% | $675,664 | $193.05 | -3,500 | 56,162 | 06 Aug 2026 | Direct |
| Evan Pickering | APPF | Class A Common Stock | Sale | -10.1% | $132,524 | $200.49 | -661 | 5,894 | 05 Aug 2026 | Direct |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -5.54% | $1,090,434 | $194.72 | -5,600 | 95,532 | 05 Aug 2026 | By Pension Trust |
| Maurice J. Duca | APPF | Class A Common Stock | Sale | -5.83% | $311,561 | $194.73 | -1,600 | 25,824 | 05 Aug 2026 | By Family Trust |
* marks a reported price that did not pass the local price check.