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

Direct: $12.5MIndirect: $6.4M$18.9Mas of 2026-09-16
  • Direct $12.5M
  • Indirect $6.4M
ABNBdirect74,808 sh$12.5M
ABNBindirect38,259 sh$6.4M

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

ABNB · 227 trades
2026-09-14: Sale, 10,350 sh ($1.8M)2026-09-14: Sale, 1,404 sh ($241K)2026-09-14: Sale, 1,270 sh ($217K)2026-09-14: Sale, 591 sh ($102K)2026-09-14: Gift, 4,077 sh ($0)2026-09-14: Conversion, 17,692 sh ($0)2026-09-14: Conversion, 17,692 sh2026-09-14: Conversion, 17,692 sh2026-08-31: Sale, 4,042 sh ($753K)2026-08-31: Sale, 3,719 sh ($701K)2026-08-31: Sale, 3,728 sh ($700K)2026-08-31: Sale, 1,887 sh ($350K)2026-08-31: Sale, 239 sh ($45K)2026-08-31: Conversion, 17,692 sh ($0)2026-08-31: Gift, 4,077 sh ($0)2026-08-31: Conversion, 17,692 sh2026-08-31: Conversion, 17,692 sh2026-08-31: Conversion, 17,692 sh2026-08-31: Conversion, 17,692 sh2026-08-28: Sale, 45,215 sh ($8.6M)2026-08-28: Sale, 11,945 sh ($2.3M)2026-08-28: Conversion, 57,160 sh ($0)2026-08-28: Conversion, 57,160 sh2026-08-28: Conversion, 57,160 sh2026-08-28: Conversion, 57,160 sh2026-08-28: Conversion, 57,160 sh2026-08-26: Sale, 11,860 sh ($2.3M)2026-08-26: Sale, 7,199 sh ($1.4M)2026-08-26: Sale, 600 sh ($115K)2026-08-26: Conversion, 19,659 sh ($0)2026-08-26: Conversion, 19,659 sh2026-08-26: Conversion, 19,659 sh2026-08-26: Conversion, 19,659 sh2026-08-26: Conversion, 19,659 sh2026-08-26: Conversion, 19,659 sh2026-08-25: Sale, 199,878 sh ($38.0M)2026-08-25: Sale, 2,774 sh ($530K)2026-08-25: Gift, 159,000 sh ($0)2026-08-25: Conversion, 361,652 sh ($0)2026-08-25: Conversion, 361,652 sh2026-08-25: Conversion, 361,652 sh2026-08-25: Conversion, 361,652 sh2026-08-25: Conversion, 361,652 sh2026-08-24: Sale, 98,055 sh ($18.7M)2026-08-24: Sale, 24,563 sh ($4.7M)2026-08-24: Sale, 23,125 sh ($4.4M)2026-08-24: Sale, 4,897 sh ($946K)2026-08-24: Conversion, 150,640 sh ($0)2026-08-24: Conversion, 150,640 sh2026-08-24: Conversion, 150,640 sh2026-08-24: Conversion, 150,640 sh2026-08-24: Conversion, 150,640 sh2026-08-20: Sale, 2,738 sh ($505K)2026-08-19: Withheld for tax, 4,085 sh ($749K)2026-08-19: Conversion, 450 sh ($0)2026-08-19: Conversion, 450 sh2026-08-19: Conversion, 450 sh2026-08-19: Conversion, 450 sh2026-08-19: Conversion, 450 sh2026-08-19: Conversion, 450 sh2026-08-19: Conversion, 450 sh2026-08-17: Sale, 9,133 sh ($1.7M)2026-08-17: Sale, 4,482 sh ($822K)2026-08-17: Gift, 4,077 sh ($0)2026-08-17: Conversion, 17,692 sh ($0)2026-08-17: Conversion, 17,692 sh2026-08-17: Conversion, 17,692 sh2026-08-17: Conversion, 17,692 sh2026-08-17: Conversion, 17,692 sh2026-08-11: Conversion, 400 sh ($0)2026-08-11: Conversion, 400 sh2026-08-11: Conversion, 400 sh2026-08-11: Conversion, 400 sh2026-08-11: Conversion, 400 sh2026-08-11: Conversion, 400 sh2026-08-11: Conversion, 400 sh2026-08-11: Conversion, 400 sh2026-08-10: Gift, 159,000 sh ($0)2026-08-07: Sale, 227,419 sh ($39.9M)2026-08-07: Sale, 122,331 sh ($21.3M)2026-08-07: Sale, 61,792 sh ($10.9M)2026-08-07: Sale, 39,998 sh ($6.9M)2026-08-07: Sale, 22,100 sh ($3.7M)2026-08-07: Sale, 16,725 sh ($2.9M)2026-08-07: Sale, 16,124 sh ($2.8M)2026-08-07: Sale, 13,487 sh ($2.3M)2026-08-07: Sale, 6,207 sh ($1.1M)2026-08-07: Sale, 2,723 sh ($454K)2026-08-07: Sale, 1,294 sh ($229K)2026-08-07: Sale, 800 sh ($132K)2026-08-07: Conversion, 690,000 sh ($0)2026-08-07: Conversion, 690,000 sh2026-08-07: Conversion, 690,000 sh2026-08-07: Conversion, 690,000 sh2026-08-07: Conversion, 690,000 sh2026-08-03: Sale, 10,271 sh ($1.6M)2026-08-03: Sale, 1,700 sh ($261K)2026-08-03: Sale, 1,000 sh ($151K)2026-08-03: Sale, 500 sh ($76K)2026-08-03: Sale, 144 sh ($22K)2026-08-03: Gift, 4,077 sh ($0)2026-08-03: Conversion, 17,692 sh ($0)2026-08-03: Conversion, 17,692 sh2026-08-03: Conversion, 17,692 sh2026-07-30: Gift, 4,077 sh ($0)2026-07-20: Sale, 11,967 sh ($1.7M)2026-07-20: Sale, 1,648 sh ($241K)2026-07-20: Gift, 4,077 sh ($0)2026-07-20: Conversion, 13,615 sh ($0)2026-07-20: Conversion, 4,077 sh ($0)2026-07-20: Conversion, 4,077 sh2026-07-20: Conversion, 4,077 sh2026-07-20: Conversion, 13,615 sh2026-07-20: Conversion, 13,615 sh2026-07-08: Gift, 65,230 sh ($0)2026-07-06: Sale, 8,487 sh ($1.3M)2026-07-06: Sale, 3,104 sh ($459K)2026-07-06: Sale, 2,024 sh ($302K)2026-07-06: Conversion, 17,692 sh ($0)2026-07-06: Conversion, 17,692 sh2026-07-06: Conversion, 17,692 sh2026-06-26: Sale, 13,041 sh ($1.9M)2026-06-26: Sale, 9,202 sh ($1.3M)2026-06-26: Sale, 8,790 sh ($1.3M)2026-06-26: Conversion, 96,263 sh ($0)2026-06-26: Conversion, 96,263 sh2026-06-26: Conversion, 96,263 sh2026-06-25: Sale, 2,113 sh ($307K)2026-06-25: Conversion, 2,113 sh ($0)2026-06-25: Conversion, 2,113 sh2026-06-25: Conversion, 2,113 sh2026-06-24: Sale, 61,156 sh ($8.9M)2026-06-24: Sale, 24,770 sh ($3.6M)2026-06-24: Sale, 2,440 sh ($359K)2026-06-24: Conversion, 88,366 sh ($0)2026-06-24: Conversion, 88,366 sh2026-06-24: Conversion, 88,366 sh2026-05-20: Sale, 2,739 sh ($360K)2026-05-19: Withheld for tax, 4,084 sh ($549K)2026-05-19: Conversion, 450 sh ($0)2026-05-19: Conversion, 450 sh2026-05-19: Conversion, 450 sh2026-05-11: Sale, 447 sh ($65K)2026-05-11: Sale, 180 sh ($26K)2026-05-11: Conversion, 627 sh ($0)2026-05-11: Conversion, 627 sh2026-05-11: Conversion, 627 sh2026-05-08: Sale, 42,655 sh ($6.2M)2026-05-08: Sale, 17,481 sh ($2.6M)2026-05-08: Conversion, 60,136 sh ($0)2026-05-08: Conversion, 60,136 sh2026-05-08: Conversion, 60,136 sh2026-04-23: Award / grant, 42,004 sh ($0)2026-04-23: Award / grant, 39,204 sh ($0)2026-04-22: Sale, 13,352 sh ($1.9M)2026-04-22: Sale, 11,236 sh ($1.6M)2026-04-22: Sale, 200 sh ($29K)2026-04-22: Conversion, 24,788 sh ($0)2026-04-22: Conversion, 24,788 sh2026-04-22: Conversion, 24,788 sh2026-04-21: Sale, 10,777 sh ($1.6M)2026-04-21: Conversion, 10,777 sh ($0)2026-04-21: Conversion, 10,777 sh2026-04-21: Conversion, 10,777 sh2026-02-20: Sale, 4,260 sh ($534K)2026-02-19: Withheld for tax, 2,458 sh ($305K)2026-02-19: Conversion, 400 sh ($0)2026-02-19: Conversion, 400 sh2026-02-19: Conversion, 400 sh2025-12-09: Sale, 12,842 sh ($1.6M)2025-12-09: Sale, 10,884 sh ($1.3M)2025-12-09: Sale, 10,643 sh ($1.3M)2025-12-09: Sale, 2,001 sh ($243K)2025-12-09: Conversion, 36,370 sh ($0)2025-12-09: Conversion, 36,370 sh2025-12-09: Conversion, 36,370 sh2025-12-08: Sale, 84,516 sh ($10.3M)2025-12-08: Sale, 46,537 sh ($5.7M)2025-12-08: Sale, 10,010 sh ($1.2M)2025-12-08: Conversion, 141,063 sh ($0)2025-12-08: Conversion, 141,063 sh2025-12-08: Conversion, 141,063 sh2025-12-05: Sale, 18,253 sh ($2.3M)2025-12-05: Sale, 10,797 sh ($1.3M)2025-12-05: Sale, 8,910 sh ($1.1M)2025-12-05: Sale, 7,884 sh ($967K)2025-12-05: Sale, 4,134 sh ($503K)2025-12-05: Sale, 2,167 sh ($266K)2025-12-05: Sale, 946 sh ($114K)2025-12-05: Sale, 825 sh ($100K)2025-12-05: Sale, 156 sh ($19K)2025-12-05: Conversion, 56,742 sh ($0)2025-12-05: Conversion, 56,742 sh2025-12-05: Conversion, 56,742 sh2025-12-04: Sale, 77,527 sh ($9.3M)2025-12-03: Sale, 39,806 sh ($4.8M)2025-12-02: Sale, 5,162 sh ($620K)2025-11-28: Sale, 3,307 sh ($386K)2025-11-19: Withheld for tax, 3,413 sh ($394K)2025-11-19: Conversion, 400 sh ($0)2025-11-19: Conversion, 400 sh2025-11-19: Conversion, 400 sh2025-08-25: Gift, 10,386,565 sh ($0)2025-08-20: Sale, 2,246 sh ($281K)2025-08-19: Withheld for tax, 3,413 sh ($428K)2025-08-19: Conversion, 400 sh ($0)2025-08-19: Conversion, 400 sh2025-08-19: Conversion, 400 sh2025-05-20: Sale, 2,245 sh ($301K)2025-05-19: Withheld for tax, 3,412 sh ($471K)2025-05-19: Conversion, 400 sh ($0)2025-05-19: Conversion, 400 sh2025-05-19: Conversion, 400 sh2025-04-02: Award / grant, 36,957 sh ($0)2025-04-02: Award / grant, 34,493 sh ($0)2025-02-26: Sale, 26,154 sh ($3.8M)2025-02-26: Option exercise, 26,154 sh ($1.1M)2025-02-26: Option exercise, 26,154 sh ($0)2025-02-20: Sale, 2,712 sh ($424K)2025-02-19: Withheld for tax, 2,801 sh ($450K)2025-02-19: Gift, 36,344 sh ($0)2025-02-19: Conversion, 36,344 sh ($0)2025-02-19: Conversion, 36,344 sh2025-02-19: Conversion, 36,344 sh2025-02-14: Sale, 183,078 sh ($28.9M)2025-02-14: Option exercise, 183,078 sh ($7.4M)2025-02-14: Option exercise, 183,078 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-09-14ABNBSale10,350 @ $172.61$1.8M−32.8% of holding21,158Form 4
2026-09-14ABNBSale1,404 @ $171.70$241K−4.3% of holding31,508Form 4
2026-09-14ABNBSale1,270 @ $170.73$217K−3.7% of holding32,912Form 4
2026-09-14ABNBSale591 @ $173.14$102K−2.8% of holding20,567Form 4
2026-08-31ABNBSale4,042 @ $186.38$753K−12.5% of holding28,253Form 4
2026-08-31ABNBSale3,719 @ $188.51$701K−15.2% of holding20,806Form 4
2026-08-31ABNBSale3,728 @ $187.68$700K−13.2% of holding24,525Form 4
2026-08-31ABNBSale1,887 @ $185.67$350K−5.5% of holding32,295Form 4
2026-08-31ABNBSale239 @ $189.05$45K−1.1% of holding20,567Form 4
2026-08-28ABNBSale45,215 @ $190.58$8.6M−58.2% of holding32,512Form 4
2026-08-28ABNBSale11,945 @ $191.20$2.3M−36.7% of holding20,567Form 4
2026-08-26ABNBSale11,860 @ $190.24$2.3M−29.5% of holding28,366Form 4
2026-08-26ABNBSale7,199 @ $191.43$1.4M−25.4% of holding21,167Form 4
2026-08-26ABNBSale600 @ $192.16$115K−2.8% of holding20,567Form 4
2026-08-25ABNBSale199,878 @ $190.27$38.0M−52.3% of holding182,341Form 4
2026-08-25ABNBSale2,774 @ $191.09$530K−1.5% of holding179,567Form 4
2026-08-24ABNBSale98,055 @ $190.34$18.7M−57.3% of holding73,152Form 4
2026-08-24ABNBSale24,563 @ $192.55$4.7M−49.1% of holding25,464Form 4
2026-08-24ABNBSale23,125 @ $191.33$4.4M−31.6% of holding50,027Form 4
2026-08-24ABNBSale4,897 @ $193.14$946K−19.2% of holding20,567Form 4
2026-08-20ABNBSale2,738 @ $184.42$505K−3.5% of holding74,808Form 4
2026-08-17ABNBSale9,133 @ $182.54$1.7M−24.2% of holding28,676Form 4
2026-08-17ABNBSale4,482 @ $183.51$822K−15.6% of holding24,194Form 4
2026-08-07ABNBSale227,419 @ $175.56$39.9M−49.2% of holding234,456Form 4
2026-08-07ABNBSale122,331 @ $174.45$21.3M−20.9% of holding461,875Form 4
2026-08-07ABNBSale61,792 @ $176.37$10.9M−26.4% of holding172,664Form 4
2026-08-07ABNBSale39,998 @ $173.39$6.9M−6.4% of holding584,206Form 4
2026-08-07ABNBSale22,100 @ $168.51$3.7M−3.2% of holding663,260Form 4
2026-08-07ABNBSale16,725 @ $172.82$2.9M−2.6% of holding624,204Form 4
2026-08-07ABNBSale16,124 @ $171.48$2.8M−2.5% of holding640,929Form 4
2026-08-07ABNBSale13,487 @ $167.65$2.3M−1.9% of holding685,360Form 4
2026-08-07ABNBSale6,207 @ $170.47$1.1M−0.9% of holding657,053Form 4
2026-08-07ABNBSale2,723 @ $166.59$454K−0.4% of holding698,847Form 4
2026-08-07ABNBSale1,294 @ $177.06$229K−0.7% of holding171,370Form 4
2026-08-07ABNBSale800 @ $165.16$132K−0.1% of holding701,570Form 4
2026-08-03ABNBSale10,271 @ $151.47$1.6M−41.1% of holding14,714Form 4
2026-08-03ABNBSale1,700 @ $153.79$261K−12.0% of holding12,514Form 4
2026-08-03ABNBSale1,000 @ $150.92$151K−3.8% of holding24,985Form 4
2026-08-03ABNBSale500 @ $152.98$76K−3.4% of holding14,214Form 4
2026-08-03ABNBSale144 @ $154.03$22K−1.2% of holding12,370Form 4
2026-07-20ABNBSale11,967 @ $145.32$1.7M−46.1% of holding14,018Form 4
2026-07-20ABNBSale1,648 @ $146.23$241K−11.8% of holding12,370Form 4
2026-07-06ABNBSale8,487 @ $148.36$1.3M−9.2% of holding83,701Form 4
2026-07-06ABNBSale3,104 @ $147.86$459K−3.3% of holding92,188Form 4
2026-07-06ABNBSale2,024 @ $149.24$302K−2.4% of holding81,677Form 4
2026-06-26ABNBSale13,041 @ $146.59$1.9M−13.1% of holding86,390Form 4
2026-06-26ABNBSale9,202 @ $145.58$1.3M−8.5% of holding99,431Form 4
2026-06-26ABNBSale8,790 @ $147.07$1.3M−10.2% of holding77,600Form 4
2026-06-25ABNBSale2,113 @ $145.09$307K−14.6% of holding12,370Form 4
2026-06-24ABNBSale61,156 @ $145.56$8.9M−60.7% of holding39,580Form 4
2026-06-24ABNBSale24,770 @ $146.29$3.6M−62.6% of holding14,810Form 4
2026-06-24ABNBSale2,440 @ $147.09$359K−16.5% of holding12,370Form 4
2026-05-20ABNBSale2,739 @ $131.40$360K−3.2% of holding81,631Form 4
2026-05-11ABNBSale447 @ $145.47$65K−3.6% of holding12,100Form 4
2026-05-11ABNBSale180 @ $146.17$26K−1.5% of holding11,920Form 4
2026-05-08ABNBSale42,655 @ $145.48$6.2M−59.2% of holding29,401Form 4
2026-05-08ABNBSale17,481 @ $146.24$2.6M−59.5% of holding11,920Form 4
2026-04-22ABNBSale13,352 @ $145.37$1.9M−36.4% of holding23,356Form 4
2026-04-22ABNBSale11,236 @ $146.42$1.6M−48.1% of holding12,120Form 4
2026-04-22ABNBSale200 @ $147.00$29K−1.7% of holding11,920Form 4
2026-04-21ABNBSale10,777 @ $145.25$1.6M−47.5% of holding11,920Form 4
2026-02-20ABNBSale4,260 @ $125.29$534K−8.0% of holding49,250Form 4
2025-12-09ABNBSale12,842 @ $122.30$1.6M−28.0% of holding33,047Form 4
2025-12-09ABNBSale10,884 @ $123.47$1.3M−32.9% of holding22,163Form 4
2025-12-09ABNBSale10,643 @ $124.42$1.3M−48.0% of holding11,520Form 4
2025-12-09ABNBSale2,001 @ $121.62$243K−4.2% of holding45,889Form 4
2025-12-08ABNBSale84,516 @ $121.63$10.3M−55.4% of holding68,067Form 4
2025-12-08ABNBSale46,537 @ $122.27$5.7M−68.4% of holding21,530Form 4
2025-12-08ABNBSale10,010 @ $123.28$1.2M−46.5% of holding11,520Form 4
2025-12-05ABNBSale18,253 @ $123.61$2.3M−47.2% of holding20,430Form 4
2025-12-05ABNBSale10,797 @ $123.28$1.3M−16.2% of holding55,968Form 4
2025-12-05ABNBSale8,910 @ $124.43$1.1M−43.6% of holding11,520Form 4
2025-12-05ABNBSale7,884 @ $122.66$967K−10.6% of holding66,765Form 4
2025-12-05ABNBSale4,134 @ $121.70$503K−5.2% of holding74,649Form 4
2025-12-05ABNBSale2,167 @ $122.53$266K−5.3% of holding38,683Form 4
2025-12-05ABNBSale946 @ $120.88$114K−1.2% of holding78,783Form 4
2025-12-05ABNBSale825 @ $121.54$100K−2.0% of holding40,850Form 4
2025-12-05ABNBSale156 @ $120.70$19K−0.4% of holding41,675Form 4
2025-12-04ABNBSale77,527 @ $120.52$9.3M−59.3% of holding53,298Form 4
2025-12-03ABNBSale39,806 @ $120.22$4.8M−23.3% of holding130,825Form 4
140 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-09-14ABNBGift4,07734,182Form 4
2026-09-14ABNBConversion17,69244,384,164Form 4
2026-09-14ABNBConversion17,69238,259Form 4
2026-09-14ABNBConversion17,69238,259Form 4
2026-08-31ABNBConversion17,69244,401,856Form 4
2026-08-31ABNBGift4,07734,182Form 4
2026-08-31ABNBConversion17,69238,259Form 4
2026-08-31ABNBConversion17,69238,259Form 4
2026-08-31ABNBConversion17,69238,259Form 4
2026-08-31ABNBConversion17,69238,259Form 4
2026-08-28ABNBConversion57,16044,419,548Form 4
2026-08-28ABNBConversion57,16077,727Form 4
2026-08-28ABNBConversion57,16077,727Form 4
2026-08-28ABNBConversion57,16077,727Form 4
2026-08-28ABNBConversion57,16077,727Form 4
2026-08-26ABNBConversion19,65944,476,708Form 4
2026-08-26ABNBConversion19,65940,226Form 4
2026-08-26ABNBConversion19,65940,226Form 4
2026-08-26ABNBConversion19,65940,226Form 4
2026-08-26ABNBConversion19,65940,226Form 4
2026-08-26ABNBConversion19,65940,226Form 4
2026-08-25ABNBGift159,00020,567Form 4
2026-08-25ABNBConversion361,65244,496,367Form 4
2026-08-25ABNBConversion361,652382,219Form 4
2026-08-25ABNBConversion361,652382,219Form 4
2026-08-25ABNBConversion361,652382,219Form 4
2026-08-25ABNBConversion361,652382,219Form 4
2026-08-24ABNBConversion150,64044,858,019Form 4
2026-08-24ABNBConversion150,640171,207Form 4
2026-08-24ABNBConversion150,640171,207Form 4
2026-08-24ABNBConversion150,640171,207Form 4
2026-08-24ABNBConversion150,640171,207Form 4
2026-08-19ABNBWithheld for tax4,08577,546Form 4
2026-08-19ABNBConversion45045,008,659Form 4
2026-08-19ABNBConversion45020,567Form 4
2026-08-19ABNBConversion45020,567Form 4
2026-08-19ABNBConversion45020,567Form 4
2026-08-19ABNBConversion45020,567Form 4
2026-08-19ABNBConversion45020,567Form 4
2026-08-19ABNBConversion45020,567Form 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.