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PHATPhathom Pharmaceuticals, Inc.

Market cap
$464.37M
as of 2026-10-23
Latest close
$5.74
as of 2026-10-23
Sector
Healthcare
as of 2026-10-24
Industry
Biotechnology
as of 2026-10-24

Cluster

No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).

Form 4 historysince 2023-11-03

Dashed line = amended filing (Form 4/A)

InsiderTradedFiledTypeSharesPriceValueOwned after10b5-1 planFiling
Narula SanjeevChief Financial & Bus. OfficerOct 6Oct 8F13,485$6.78$91,428214,718NoForm 4
Breedlove Robert CharlesPrincipal Accounting OfficerSep 3Sep 8F460$9.05$4,16359,465NoForm 4
Breedlove Robert CharlesPrincipal Accounting OfficerJul 14Jul 16F1,555$11.04$17,16759,925NoForm 4
Parikh AsitMay 22May 27G28,000$0.00$024,122NoForm 4
Parikh AsitMay 22May 27G28,000$0.00$0148,500NoForm 4
Parikh AsitMay 20May 21M17,500$4.95$86,62552,122NoForm 4
Parikh AsitMay 20May 21D · derivative17,500$4.95$86,625not reportedNoForm 4
Schroeder Theodore RMay 19May 21A24,122$0.00$045,122NoForm 4
Karbe FrankMay 19May 21A24,122$0.00$091,622NoForm 4
Cola Michael FMay 19May 21A24,122$0.00$063,920NoForm 4
Fields HeidiMay 19May 21A24,122$0.00$054,122NoForm 4
Stenhouse MarkMay 19May 21A24,122$0.00$054,122NoForm 4
Topper James NMay 19May 21A24,122$0.00$066,718NoForm 4
Parikh AsitMay 19May 21A24,122$0.00$034,622NoForm 4
Parikh AsitMar 10Mar 11G40,000$0.00$010,500NoForm 4
Parikh AsitMar 10Mar 11G40,000$0.00$0120,500NoForm 4
Breedlove Robert CharlesPrincipal Accounting OfficerFeb 27Mar 3A13,000$0.00$060,068NoForm 4
Breedlove Robert CharlesPrincipal Accounting OfficerFeb 27Mar 3A2,790$0.00$062,858NoForm 4
Breedlove Robert CharlesPrincipal Accounting OfficerFeb 27Mar 3F964$12.56$12,10861,894NoForm 4
Breedlove Robert CharlesPrincipal Accounting OfficerFeb 27Mar 3F414$12.56$5,20061,480NoForm 4
Basta Steven LPresident and CEOFeb 10Feb 12A12,362$0.00$0379,592NoForm 4
Basta Steven LPresident and CEOFeb 10Feb 12F6,277$12.82$80,471373,315NoForm 4
Cook Anne MarieChief Legal Off. & Corp. Sec.Feb 10Feb 12A3,461$0.00$090,195NoForm 4
Cook Anne MarieChief Legal Off. & Corp. Sec.Feb 10Feb 12F1,535$12.82$19,67988,660NoForm 4
Parikh AsitJan 23Jan 27G80,500$0.00$050,500NoForm 4
Parikh AsitJan 23Jan 27G80,500$0.00$080,500NoForm 4
Breedlove Robert CharlesPrincipal Accounting OfficerJan 21Jan 23F776$13.61$10,56147,068NoForm 4
Parikh AsitJan 13Jan 15M8,750$10.30$90,125131,000NoForm 4
Parikh AsitJan 13Jan 15M · derivative8,750$10.30$90,125not reportedNoForm 4
Narula SanjeevChief Financial & Bus. OfficerJan 2Jan 2A82,715$0.00$0226,715NoForm 4
Narula SanjeevChief Financial & Bus. OfficerJan 2Jan 2A · derivative42,848$15.71$673,14242,848NoForm 4
Cook Anne MarieChief Legal Off. & Corp. Sec.Jan 2Jan 2A75,345$0.00$085,012NoForm 4
Cook Anne MarieChief Legal Off. & Corp. Sec.Jan 2Jan 2A · derivative67,878$15.71$1,066,36367,878NoForm 4
Basta Steven LPresident and CEOJan 2Jan 2A251,034$0.00$0364,820NoForm 4
Basta Steven LPresident and CEOJan 2Jan 2A · derivative226,156$15.71$3,552,911221,156NoForm 4
Parikh AsitDec 19, 2025Dec 23, 2025M8,750$10.30$90,125122,250NoForm 4
Parikh AsitDec 19, 2025Dec 23, 2025M · derivative8,750$10.30$90,1258,750NoForm 4
Breedlove Robert CharlesPrincipal Accounting OfficerDec 18, 2025Dec 19, 2025F230$16.28$3,74447,844NoForm 4
Basta Steven LPresident and CEODec 17, 2025Dec 19, 2025A62,038$0.00$0145,288NoForm 4
Basta Steven LPresident and CEODec 17, 2025Dec 19, 2025F31,502$15.36$483,871113,786NoForm 4
Cook Anne MarieChief Legal Off. & Corp. Sec.Dec 17, 2025Dec 19, 2025A17,370$0.00$017,370NoForm 4
Cook Anne MarieChief Legal Off. & Corp. Sec.Dec 17, 2025Dec 19, 2025F7,703$15.36$118,3189,667NoForm 4
Basta Steven LPresident and CEONov 28, 2025Dec 2, 2025M90,000$0.00$0131,625NoForm 4
Basta Steven LPresident and CEONov 28, 2025Dec 2, 2025F48,375$15.62$755,61883,250NoForm 4
Basta Steven LPresident and CEONov 28, 2025Dec 2, 2025M · derivative90,000$0.00$0180,000NoForm 4
Breedlove Robert CharlesPrincipal Accounting OfficerNov 3, 2025Nov 5, 2025S524$13.51Sale −$7,07947,407NoForm 4
Narula SanjeevChief Financial & Bus. OfficerOct 6, 2025Oct 8, 20254/AA144,000$0.00$0144,000NoForm 4/A
Basta Steven LPresident and CEOSep 25, 2025Sep 26, 2025M90,000$0.00$090,000NoForm 4
Basta Steven LPresident and CEOSep 25, 2025Sep 26, 2025F48,375$11.66$564,05341,625NoForm 4
Basta Steven LPresident and CEOSep 25, 2025Sep 26, 2025M · derivative90,000$0.00$0270,000NoForm 4
Breedlove Robert CharlesPrincipal Accounting OfficerSep 5, 2025Sep 9, 2025S461$12.09Sale −$5,57347,931NoForm 4
Breedlove Robert CharlesPrincipal Accounting OfficerJul 16, 2025Jul 18, 2025S1,692$8.36Sale −$14,14548,392NoForm 4
Cook Anne MarieChief Legal Off. & Corp. Sec.Jun 23, 2025Jun 24, 2025A · derivative210,000$9.47$1,988,700210,000NoForm 4
Parikh AsitJun 3, 2025Jun 5, 2025A10,500$0.00$0113,500NoForm 4
Parikh AsitJun 3, 2025Jun 5, 2025A · derivative17,500$4.95$86,62517,500NoForm 4
Stenhouse MarkJun 3, 2025Jun 5, 2025A10,500$0.00$030,000NoForm 4
Stenhouse MarkJun 3, 2025Jun 5, 2025A · derivative17,500$4.95$86,62517,500NoForm 4
Fields HeidiJun 3, 2025Jun 5, 2025A10,500$0.00$030,000NoForm 4
Fields HeidiJun 3, 2025Jun 5, 2025A · derivative17,500$4.95$86,62517,500NoForm 4
Topper James NJun 3, 2025Jun 5, 2025A10,500$0.00$042,596NoForm 4
Topper James NJun 3, 2025Jun 5, 2025A · derivative17,500$4.95$86,62517,500NoForm 4
Cola Michael FJun 3, 2025Jun 5, 2025A10,500$0.00$039,798NoForm 4
Cola Michael FJun 3, 2025Jun 5, 2025A · derivative17,500$4.95$86,62517,500NoForm 4
Karbe FrankJun 3, 2025Jun 5, 2025A10,500$0.00$067,500NoForm 4
Karbe FrankJun 3, 2025Jun 5, 2025A · derivative17,500$4.95$86,62517,500NoForm 4
Topper James NMay 21, 2025May 23, 2025P3,780$3.86Purchase +$14,59159,403NoForm 4
Breedlove Robert CharlesPrincipal Accounting OfficerMay 19, 2025May 21, 2025A · derivative33,000$4.39$144,87033,000NoForm 4
Topper James NMay 14, 2025May 15, 2025P6,300$3.32Purchase +$20,91655,623NoForm 4
Topper James NMay 13, 2025May 15, 2025P1,120$3.16Purchase +$3,53949,323NoForm 4
Topper James NMay 12, 2025May 13, 2025P12,601$3.04Purchase +$38,30748,203NoForm 4
Topper James NMay 9, 2025May 13, 2025P33,376$3.19Purchase +$106,46933,376NoForm 4
Topper James NMay 9, 2025May 13, 2025P2,226$3.62Purchase +$8,05835,602NoForm 4
Parikh AsitMay 7, 2025May 8, 2025P5,000$2.40Purchase +$12,00095,500NoForm 4
Parikh AsitMay 6, 2025May 8, 2025P5,000$2.60Purchase +$13,00090,500NoForm 4
Schroeder Theodore RApr 16, 2025Apr 16, 2025A21,000$0.00$021,000NoForm 4
Schroeder Theodore RApr 16, 2025Apr 16, 2025A · derivative35,000$4.23$148,05035,000NoForm 4
Henderson MollyCFO and CBOApr 7, 2025Apr 8, 2025S3,678$4.55Sale −$16,73589,868NoForm 4
Basta Steven LPresident and CEOApr 3, 2025Apr 3, 2025A · derivative360,000$0.00$0360,000NoForm 4
Basta Steven LPresident and CEOApr 3, 2025Apr 3, 2025A · derivative1,085,000$5.01$5,435,8501,085,000NoForm 4
Parikh AsitSep 10, 2024Mar 21, 2025M7,500$11.72$87,90093,000NoForm 4
Parikh AsitSep 10, 2024Mar 21, 2025M · derivative7,500$11.72$87,9007,500NoForm 4
Parikh AsitMar 13, 2025Mar 17, 2025P10,000$4.42Purchase +$44,20085,500NoForm 4
Nabulsi AzmiChief Operating OfficerFeb 27, 2025Mar 3, 2025A79,200$0.00$0312,590NoForm 4
Nabulsi AzmiChief Operating OfficerFeb 27, 2025Mar 3, 2025A · derivative55,000$5.76$316,80055,000NoForm 4
Henderson MollyCFO and CBOFeb 27, 2025Mar 3, 2025A72,000$0.00$0165,546NoForm 4
Henderson MollyCFO and CBOFeb 27, 2025Mar 3, 2025A · derivative50,000$5.76$288,00050,000NoForm 4
Curran TerriePresident and Chief ExecutiveFeb 27, 2025Mar 3, 2025A · derivative342,500$5.76$1,972,800342,500NoForm 4
Curran TerriePresident and Chief ExecutiveJan 21, 2025Jan 23, 2025S19,109$6.59Sale −$125,928360,465NoForm 4
Nabulsi AzmiChief Operating OfficerJan 21, 2025Jan 23, 2025S7,886$6.59Sale −$51,969233,390NoForm 4
Henderson MollyCFO and CBOJan 21, 2025Jan 23, 2025S6,583$6.59Sale −$43,38293,546NoForm 4
Henderson MollyCFO and CBODec 19, 2024Dec 20, 2024S1,291$8.00Sale −$10,32898,156NoForm 4
Nabulsi AzmiChief Operating OfficerDec 19, 2024Dec 20, 2024S1,118$8.00Sale −$8,944239,303NoForm 4
Parikh AsitDec 13, 2024Dec 16, 2024P10,000$8.12Purchase +$81,20075,500NoForm 4
Karbe FrankDec 13, 2024Dec 16, 2024P12,500$7.93Purchase +$99,12557,000NoForm 4
Curran TerriePresident and Chief ExecutiveJul 15, 2024Jul 17, 2024S33,848$11.72Sale −$396,699377,734NoForm 4
Henderson MollyCFO and CBOJul 15, 2024Jul 17, 2024S4,325$11.72Sale −$50,68999,447NoForm 4
Nabulsi AzmiChief Operating OfficerJul 15, 2024Jul 17, 2024S10,901$11.72Sale −$127,760240,421NoForm 4
Nabulsi AzmiChief Operating OfficerMay 31, 2024May 31, 2024A7,500$0.00$0249,567NoForm 4
Henderson MollyCFO and CBOMay 31, 2024May 31, 2024A7,500$0.00$0102,763NoForm 4
Karbe FrankMay 29, 2024May 31, 2024A25,000$10.16$254,00044,500NoForm 4
Socks David AMay 23, 2024May 24, 2024A10,500$0.00$019,500NoForm 4
Socks David AMay 23, 2024May 24, 2024A · derivative17,500$10.30$180,25017,500NoForm 4
Stenhouse MarkMay 23, 2024May 24, 2024A10,500$0.00$019,500NoForm 4
Stenhouse MarkMay 23, 2024May 24, 2024A · derivative17,500$10.30$180,25017,500NoForm 4
Karbe FrankMay 23, 2024May 24, 2024A10,500$0.00$019,500NoForm 4
Karbe FrankMay 23, 2024May 24, 2024A · derivative17,500$10.30$180,25017,500NoForm 4
Fields HeidiMay 23, 2024May 24, 2024A10,500$0.00$019,500NoForm 4
Fields HeidiMay 23, 2024May 24, 2024A · derivative17,500$10.30$180,25017,500NoForm 4
Cola Michael FMay 23, 2024May 24, 2024A10,500$0.00$029,298NoForm 4
Cola Michael FMay 23, 2024May 24, 2024A · derivative17,500$10.30$180,25017,500NoForm 4
Parikh AsitMay 23, 2024May 24, 2024A10,500$0.00$065,500NoForm 4
Parikh AsitMay 23, 2024May 24, 2024A · derivative17,500$10.30$180,25017,500NoForm 4
Topper James NMay 23, 2024May 24, 2024A10,500$0.00$032,096NoForm 4
Topper James NMay 23, 2024May 24, 2024A · derivative17,500$10.30$180,25017,500NoForm 4
Henderson MollyCFO and CBOApr 8, 2024Apr 10, 2024S3,435$11.10Sale −$38,12995,263NoForm 4
Curran TerriePresident and Chief ExecutiveMar 22, 2024Mar 26, 2024S16,851$9.11Sale −$153,513410,784NoForm 4
Takeda Pharmaceutical Co LtdJan 24, 2024Jan 25, 2024S3,703,703$8.10Sale −$29,999,9943,755,583NoForm 4
Henderson MollyCFO and CBOJan 19, 2024Jan 22, 2024S6,307$7.75Sale −$48,87998,698NoForm 4
Curran TerriePresident and Chief ExecutiveJan 18, 2024Jan 22, 2024A · derivative475,000$7.60$3,610,000475,000NoForm 4
Nabulsi AzmiChief Operating OfficerJan 18, 2024Jan 22, 2024A · derivative130,000$7.60$988,000130,000NoForm 4
Henderson MollyCFO and CBOJan 18, 2024Jan 22, 2024A · derivative120,000$7.60$912,000120,000NoForm 4
Henderson MollyCFO and CBONov 20, 2023Nov 21, 2023S2,127$7.24Sale −$15,399103,061NoForm 4
Parikh AsitNov 8, 2023Nov 8, 2023P2,500$7.80Purchase +$19,50055,000NoForm 4
Parikh AsitNov 7, 2023Nov 8, 2023P4,000$7.76Purchase +$31,04052,500NoForm 4
Parikh AsitNov 6, 2023Nov 8, 2023P1,000$8.04Purchase +$8,04048,500NoForm 4
Curran TerriePresident and Chief ExecutiveNov 1, 2023Nov 3, 2023A37,500$0.00$0427,171NoForm 4
Nabulsi AzmiChief Operating OfficerNov 1, 2023Nov 3, 2023A32,500$0.00$0242,067NoForm 4
Henderson MollyCFO and CBONov 1, 2023Nov 3, 2023A22,500$0.00$0117,680NoForm 4
Henderson MollyCFO and CBONov 1, 2023Nov 3, 2023S811$7.80Sale −$6,326116,869NoForm 4
Henderson MollyCFO and CBONov 1, 2023Nov 3, 2023S11,681$8.95Sale −$104,545105,188NoForm 4