Blecharczyk Nathan
Director · Officer · Ten-percent owner · ABNB
As of 2026-09-16, Blecharczyk Nathan has 227 Form 4 transactions on record across 1 company — 202 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.
Pattern in the record: open-market sales filed in August in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
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
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-14 | ABNB | Sale | 10,350 @ $172.61 | $1.8M | −32.8% of holding | 21,158 | Form 4 |
| 2026-09-14 | ABNB | Sale | 1,404 @ $171.70 | $241K | −4.3% of holding | 31,508 | Form 4 |
| 2026-09-14 | ABNB | Sale | 1,270 @ $170.73 | $217K | −3.7% of holding | 32,912 | Form 4 |
| 2026-09-14 | ABNB | Sale | 591 @ $173.14 | $102K | −2.8% of holding | 20,567 | Form 4 |
| 2026-08-31 | ABNB | Sale | 4,042 @ $186.38 | $753K | −12.5% of holding | 28,253 | Form 4 |
| 2026-08-31 | ABNB | Sale | 3,719 @ $188.51 | $701K | −15.2% of holding | 20,806 | Form 4 |
| 2026-08-31 | ABNB | Sale | 3,728 @ $187.68 | $700K | −13.2% of holding | 24,525 | Form 4 |
| 2026-08-31 | ABNB | Sale | 1,887 @ $185.67 | $350K | −5.5% of holding | 32,295 | Form 4 |
| 2026-08-31 | ABNB | Sale | 239 @ $189.05 | $45K | −1.1% of holding | 20,567 | Form 4 |
| 2026-08-28 | ABNB | Sale | 45,215 @ $190.58 | $8.6M | −58.2% of holding | 32,512 | Form 4 |
| 2026-08-28 | ABNB | Sale | 11,945 @ $191.20 | $2.3M | −36.7% of holding | 20,567 | Form 4 |
| 2026-08-26 | ABNB | Sale | 11,860 @ $190.24 | $2.3M | −29.5% of holding | 28,366 | Form 4 |
| 2026-08-26 | ABNB | Sale | 7,199 @ $191.43 | $1.4M | −25.4% of holding | 21,167 | Form 4 |
| 2026-08-26 | ABNB | Sale | 600 @ $192.16 | $115K | −2.8% of holding | 20,567 | Form 4 |
| 2026-08-25 | ABNB | Sale | 199,878 @ $190.27 | $38.0M | −52.3% of holding | 182,341 | Form 4 |
| 2026-08-25 | ABNB | Sale | 2,774 @ $191.09 | $530K | −1.5% of holding | 179,567 | Form 4 |
| 2026-08-24 | ABNB | Sale | 98,055 @ $190.34 | $18.7M | −57.3% of holding | 73,152 | Form 4 |
| 2026-08-24 | ABNB | Sale | 24,563 @ $192.55 | $4.7M | −49.1% of holding | 25,464 | Form 4 |
| 2026-08-24 | ABNB | Sale | 23,125 @ $191.33 | $4.4M | −31.6% of holding | 50,027 | Form 4 |
| 2026-08-24 | ABNB | Sale | 4,897 @ $193.14 | $946K | −19.2% of holding | 20,567 | Form 4 |
| 2026-08-20 | ABNB | Sale | 2,738 @ $184.42 | $505K | −3.5% of holding | 74,808 | Form 4 |
| 2026-08-17 | ABNB | Sale | 9,133 @ $182.54 | $1.7M | −24.2% of holding | 28,676 | Form 4 |
| 2026-08-17 | ABNB | Sale | 4,482 @ $183.51 | $822K | −15.6% of holding | 24,194 | Form 4 |
| 2026-08-07 | ABNB | Sale | 227,419 @ $175.56 | $39.9M | −49.2% of holding | 234,456 | Form 4 |
| 2026-08-07 | ABNB | Sale | 122,331 @ $174.45 | $21.3M | −20.9% of holding | 461,875 | Form 4 |
| 2026-08-07 | ABNB | Sale | 61,792 @ $176.37 | $10.9M | −26.4% of holding | 172,664 | Form 4 |
| 2026-08-07 | ABNB | Sale | 39,998 @ $173.39 | $6.9M | −6.4% of holding | 584,206 | Form 4 |
| 2026-08-07 | ABNB | Sale | 22,100 @ $168.51 | $3.7M | −3.2% of holding | 663,260 | Form 4 |
| 2026-08-07 | ABNB | Sale | 16,725 @ $172.82 | $2.9M | −2.6% of holding | 624,204 | Form 4 |
| 2026-08-07 | ABNB | Sale | 16,124 @ $171.48 | $2.8M | −2.5% of holding | 640,929 | Form 4 |
| 2026-08-07 | ABNB | Sale | 13,487 @ $167.65 | $2.3M | −1.9% of holding | 685,360 | Form 4 |
| 2026-08-07 | ABNB | Sale | 6,207 @ $170.47 | $1.1M | −0.9% of holding | 657,053 | Form 4 |
| 2026-08-07 | ABNB | Sale | 2,723 @ $166.59 | $454K | −0.4% of holding | 698,847 | Form 4 |
| 2026-08-07 | ABNB | Sale | 1,294 @ $177.06 | $229K | −0.7% of holding | 171,370 | Form 4 |
| 2026-08-07 | ABNB | Sale | 800 @ $165.16 | $132K | −0.1% of holding | 701,570 | Form 4 |
| 2026-08-03 | ABNB | Sale | 10,271 @ $151.47 | $1.6M | −41.1% of holding | 14,714 | Form 4 |
| 2026-08-03 | ABNB | Sale | 1,700 @ $153.79 | $261K | −12.0% of holding | 12,514 | Form 4 |
| 2026-08-03 | ABNB | Sale | 1,000 @ $150.92 | $151K | −3.8% of holding | 24,985 | Form 4 |
| 2026-08-03 | ABNB | Sale | 500 @ $152.98 | $76K | −3.4% of holding | 14,214 | Form 4 |
| 2026-08-03 | ABNB | Sale | 144 @ $154.03 | $22K | −1.2% of holding | 12,370 | Form 4 |
| 2026-07-20 | ABNB | Sale | 11,967 @ $145.32 | $1.7M | −46.1% of holding | 14,018 | Form 4 |
| 2026-07-20 | ABNB | Sale | 1,648 @ $146.23 | $241K | −11.8% of holding | 12,370 | Form 4 |
| 2026-07-06 | ABNB | Sale | 8,487 @ $148.36 | $1.3M | −9.2% of holding | 83,701 | Form 4 |
| 2026-07-06 | ABNB | Sale | 3,104 @ $147.86 | $459K | −3.3% of holding | 92,188 | Form 4 |
| 2026-07-06 | ABNB | Sale | 2,024 @ $149.24 | $302K | −2.4% of holding | 81,677 | Form 4 |
| 2026-06-26 | ABNB | Sale | 13,041 @ $146.59 | $1.9M | −13.1% of holding | 86,390 | Form 4 |
| 2026-06-26 | ABNB | Sale | 9,202 @ $145.58 | $1.3M | −8.5% of holding | 99,431 | Form 4 |
| 2026-06-26 | ABNB | Sale | 8,790 @ $147.07 | $1.3M | −10.2% of holding | 77,600 | Form 4 |
| 2026-06-25 | ABNB | Sale | 2,113 @ $145.09 | $307K | −14.6% of holding | 12,370 | Form 4 |
| 2026-06-24 | ABNB | Sale | 61,156 @ $145.56 | $8.9M | −60.7% of holding | 39,580 | Form 4 |
| 2026-06-24 | ABNB | Sale | 24,770 @ $146.29 | $3.6M | −62.6% of holding | 14,810 | Form 4 |
| 2026-06-24 | ABNB | Sale | 2,440 @ $147.09 | $359K | −16.5% of holding | 12,370 | Form 4 |
| 2026-05-20 | ABNB | Sale | 2,739 @ $131.40 | $360K | −3.2% of holding | 81,631 | Form 4 |
| 2026-05-11 | ABNB | Sale | 447 @ $145.47 | $65K | −3.6% of holding | 12,100 | Form 4 |
| 2026-05-11 | ABNB | Sale | 180 @ $146.17 | $26K | −1.5% of holding | 11,920 | Form 4 |
| 2026-05-08 | ABNB | Sale | 42,655 @ $145.48 | $6.2M | −59.2% of holding | 29,401 | Form 4 |
| 2026-05-08 | ABNB | Sale | 17,481 @ $146.24 | $2.6M | −59.5% of holding | 11,920 | Form 4 |
| 2026-04-22 | ABNB | Sale | 13,352 @ $145.37 | $1.9M | −36.4% of holding | 23,356 | Form 4 |
| 2026-04-22 | ABNB | Sale | 11,236 @ $146.42 | $1.6M | −48.1% of holding | 12,120 | Form 4 |
| 2026-04-22 | ABNB | Sale | 200 @ $147.00 | $29K | −1.7% of holding | 11,920 | Form 4 |
| 2026-04-21 | ABNB | Sale | 10,777 @ $145.25 | $1.6M | −47.5% of holding | 11,920 | Form 4 |
| 2026-02-20 | ABNB | Sale | 4,260 @ $125.29 | $534K | −8.0% of holding | 49,250 | Form 4 |
| 2025-12-09 | ABNB | Sale | 12,842 @ $122.30 | $1.6M | −28.0% of holding | 33,047 | Form 4 |
| 2025-12-09 | ABNB | Sale | 10,884 @ $123.47 | $1.3M | −32.9% of holding | 22,163 | Form 4 |
| 2025-12-09 | ABNB | Sale | 10,643 @ $124.42 | $1.3M | −48.0% of holding | 11,520 | Form 4 |
| 2025-12-09 | ABNB | Sale | 2,001 @ $121.62 | $243K | −4.2% of holding | 45,889 | Form 4 |
| 2025-12-08 | ABNB | Sale | 84,516 @ $121.63 | $10.3M | −55.4% of holding | 68,067 | Form 4 |
| 2025-12-08 | ABNB | Sale | 46,537 @ $122.27 | $5.7M | −68.4% of holding | 21,530 | Form 4 |
| 2025-12-08 | ABNB | Sale | 10,010 @ $123.28 | $1.2M | −46.5% of holding | 11,520 | Form 4 |
| 2025-12-05 | ABNB | Sale | 18,253 @ $123.61 | $2.3M | −47.2% of holding | 20,430 | Form 4 |
| 2025-12-05 | ABNB | Sale | 10,797 @ $123.28 | $1.3M | −16.2% of holding | 55,968 | Form 4 |
| 2025-12-05 | ABNB | Sale | 8,910 @ $124.43 | $1.1M | −43.6% of holding | 11,520 | Form 4 |
| 2025-12-05 | ABNB | Sale | 7,884 @ $122.66 | $967K | −10.6% of holding | 66,765 | Form 4 |
| 2025-12-05 | ABNB | Sale | 4,134 @ $121.70 | $503K | −5.2% of holding | 74,649 | Form 4 |
| 2025-12-05 | ABNB | Sale | 2,167 @ $122.53 | $266K | −5.3% of holding | 38,683 | Form 4 |
| 2025-12-05 | ABNB | Sale | 946 @ $120.88 | $114K | −1.2% of holding | 78,783 | Form 4 |
| 2025-12-05 | ABNB | Sale | 825 @ $121.54 | $100K | −2.0% of holding | 40,850 | Form 4 |
| 2025-12-05 | ABNB | Sale | 156 @ $120.70 | $19K | −0.4% of holding | 41,675 | Form 4 |
| 2025-12-04 | ABNB | Sale | 77,527 @ $120.52 | $9.3M | −59.3% of holding | 53,298 | Form 4 |
| 2025-12-03 | ABNB | Sale | 39,806 @ $120.22 | $4.8M | −23.3% of holding | 130,825 | Form 4 |
140 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-09-14 | ABNB | Gift | 4,077 | 34,182 | Form 4 |
| 2026-09-14 | ABNB | Conversion | 17,692 | 44,384,164 | Form 4 |
| 2026-09-14 | ABNB | Conversion | 17,692 | 38,259 | Form 4 |
| 2026-09-14 | ABNB | Conversion | 17,692 | 38,259 | Form 4 |
| 2026-08-31 | ABNB | Conversion | 17,692 | 44,401,856 | Form 4 |
| 2026-08-31 | ABNB | Gift | 4,077 | 34,182 | Form 4 |
| 2026-08-31 | ABNB | Conversion | 17,692 | 38,259 | Form 4 |
| 2026-08-31 | ABNB | Conversion | 17,692 | 38,259 | Form 4 |
| 2026-08-31 | ABNB | Conversion | 17,692 | 38,259 | Form 4 |
| 2026-08-31 | ABNB | Conversion | 17,692 | 38,259 | Form 4 |
| 2026-08-28 | ABNB | Conversion | 57,160 | 44,419,548 | Form 4 |
| 2026-08-28 | ABNB | Conversion | 57,160 | 77,727 | Form 4 |
| 2026-08-28 | ABNB | Conversion | 57,160 | 77,727 | Form 4 |
| 2026-08-28 | ABNB | Conversion | 57,160 | 77,727 | Form 4 |
| 2026-08-28 | ABNB | Conversion | 57,160 | 77,727 | Form 4 |
| 2026-08-26 | ABNB | Conversion | 19,659 | 44,476,708 | Form 4 |
| 2026-08-26 | ABNB | Conversion | 19,659 | 40,226 | Form 4 |
| 2026-08-26 | ABNB | Conversion | 19,659 | 40,226 | Form 4 |
| 2026-08-26 | ABNB | Conversion | 19,659 | 40,226 | Form 4 |
| 2026-08-26 | ABNB | Conversion | 19,659 | 40,226 | Form 4 |
| 2026-08-26 | ABNB | Conversion | 19,659 | 40,226 | Form 4 |
| 2026-08-25 | ABNB | Gift | 159,000 | 20,567 | Form 4 |
| 2026-08-25 | ABNB | Conversion | 361,652 | 44,496,367 | Form 4 |
| 2026-08-25 | ABNB | Conversion | 361,652 | 382,219 | Form 4 |
| 2026-08-25 | ABNB | Conversion | 361,652 | 382,219 | Form 4 |
| 2026-08-25 | ABNB | Conversion | 361,652 | 382,219 | Form 4 |
| 2026-08-25 | ABNB | Conversion | 361,652 | 382,219 | Form 4 |
| 2026-08-24 | ABNB | Conversion | 150,640 | 44,858,019 | Form 4 |
| 2026-08-24 | ABNB | Conversion | 150,640 | 171,207 | Form 4 |
| 2026-08-24 | ABNB | Conversion | 150,640 | 171,207 | Form 4 |
| 2026-08-24 | ABNB | Conversion | 150,640 | 171,207 | Form 4 |
| 2026-08-24 | ABNB | Conversion | 150,640 | 171,207 | Form 4 |
| 2026-08-19 | ABNB | Withheld for tax | 4,085 | 77,546 | Form 4 |
| 2026-08-19 | ABNB | Conversion | 450 | 45,008,659 | Form 4 |
| 2026-08-19 | ABNB | Conversion | 450 | 20,567 | Form 4 |
| 2026-08-19 | ABNB | Conversion | 450 | 20,567 | Form 4 |
| 2026-08-19 | ABNB | Conversion | 450 | 20,567 | Form 4 |
| 2026-08-19 | ABNB | Conversion | 450 | 20,567 | Form 4 |
| 2026-08-19 | ABNB | Conversion | 450 | 20,567 | Form 4 |
| 2026-08-19 | ABNB | Conversion | 450 | 20,567 | Form 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.