Peter W. Sonsini

CIK 1559807 · View on SEC EDGAR ↗

Activist

First SEC filing: Aug. 18, 2025 · Latest: Aug. 18, 2025

On this page

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 85 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

85 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
April 11, 2022 TRVI P 3,000,000 $1.90 $5,700,000 3,000,000 Indirect — Acquired 882.6% (price as of 2026-08-20)
April 11, 2022 TRVI P 948,948 $1.90 $1,803,001 948,948 Indirect — Acquired 882.6% (price as of 2026-08-20)
April 11, 2022 TRVI P 2,631,578 $1.90 $4,999,998 10,421,428 Indirect +33.78% Acquired 882.6% (price as of 2026-08-20)
Oct. 18, 2021 TRVI P 1,851,852 — — 1,851,852 Indirect — Acquired (price as of 2026-08-20)
Oct. 18, 2021 TRVI P 1,851,852 — — 1,851,852 Indirect — Acquired (price as of 2026-08-20)
Oct. 18, 2021 TRVI P 1,851,852 — — 7,789,850 Indirect +31.19% Acquired (price as of 2026-08-20)
June 28, 2021 GLUE P 1,050,000 $19.00 $19,950,000 7,692,298 Indirect +15.81% Acquired -20.3% (price as of 2026-08-20)
March 16, 2021 MRKR P 5,714,285 $1.75 $9,999,999 10,714,285 Indirect +114.29% Acquired -93.0% (price as of 2026-08-20)
July 14, 2020 NKTX P 666,666 $18.00 $11,999,988 2,902,115 Indirect +29.82% Acquired -86.1% (price as of 2026-08-20)
April 3, 2020 TRVI S 564 $2.66 $1,500 5,937,998 Indirect -0.01% Disposed 601.9% (price as of 2026-08-20)
July 22, 2019 MIRM P 450,000 $15.00 $6,750,000 4,186,243 Indirect +12.04% Acquired 566.9% (price as of 2026-08-20)
May 9, 2019 TRVI P 1,500,000 $10.00 $15,000,000 4,438,562 Indirect +51.05% Acquired 86.7% (price as of 2026-08-20)
May 9, 2019 TRVI P 1,000,000 $10.00 $10,000,000 2,938,562 Indirect +51.58% Acquired 86.7% (price as of 2026-08-20)
Feb. 26, 2018 ORKA S 1,460,209 $0.50 $730,104 0 Indirect -100.00% Disposed -0.9% (price as of 2026-08-20)
Nov. 27, 2017 APPN S 569,620 $19.49 $11,101,894 0 Indirect -100.00% Disposed 92.5% (price as of 2026-08-20)

Showing latest 100 of 111 transactions

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
April 11, 2022 TRVI Pre-Funded Warrants Common Stock (3,000,000) $0.00 — 3,000,000 Acquired
Oct. 18, 2021 TRVI 7-Year Common Stock Warrant Common Stock (1,851,852) $1.37 Oct. 18, 2028 1,851,852 Acquired
Oct. 18, 2021 TRVI 3.5-Year Common Stock Warrant Common Stock (1,851,852) $1.37 April 18, 2025 1,851,852 Acquired
Aug. 2, 2021 HOOD Series B Redeemable Convertible Preferred Stock Common Stock (55,055,000) — — 55,055,000 Disposed
Aug. 2, 2021 HOOD Series C Redeemable Convertible Preferred Stock Common Stock (5,804,240) — — 5,804,240 Disposed
Aug. 2, 2021 HOOD Series D Redeemable Convertible Preferred Stock Common Stock (492,853) — — 492,853 Disposed
Aug. 2, 2021 HOOD Series E Redeemable Convertible Preferred Stock Common Stock (1,521,305) — — 1,521,305 Disposed
Aug. 2, 2021 HOOD Series E Redeemable Convertible Preferred Stock Common Stock (4,486,208) — — 4,486,208 Disposed
Aug. 2, 2021 HOOD Series F Redeemable Convertible Preferred Stock Common Stock (1,600,000) — — 1,600,000 Disposed
Aug. 2, 2021 HOOD Tranche I Convertible Promissory Note Class A Common Stock (1,449,600) — — 1,449,600 Disposed
Aug. 2, 2021 HOOD Tranche I Convertible Promissory Note Class A Common Stock (1,449,600) — — 1,449,600 Disposed
June 28, 2021 GLUE Series A-2 convertible preferred stock Common Stock (2,715,968) — — 9,588,725 Disposed
June 28, 2021 GLUE Series B convertible preferred stock Common Stock (3,257,328) — — 11,500,000 Disposed
June 28, 2021 GLUE Series C convertible preferred Stock Common Stock (669,002) — — 2,361,912 Disposed
July 14, 2020 NKTX Series B Preferred Stock Common Stock (1,712,810) — — 1,712,810 Disposed
July 14, 2020 NKTX Series A Preferred Stock Common Stock (522,639) — — 522,639 Disposed
April 3, 2020 TRVI Call Option (right to buy) Common Stock (1,500,000) $0.00 May 6, 2022 1,500,000 Disposed
July 22, 2019 MIRM Series A Preferred Stock Common Stock — — 29,889,945 Disposed
May 9, 2019 TRVI Series C Preferred Stock Common Stock (1,938,562) — — 17,099,315 Disposed
Feb. 13, 2018 APPN Class B Common Stock Class A Common Stock (2,724,202) — — 2,724,202 Disposed
Nov. 27, 2017 APPN Class B Common Stock Class A Common Stock (569,620) — — 569,620 Disposed
Nov. 20, 2017 APPN Class B Common Stock Class A Common Stock (2,820,516) — — 2,820,516 Disposed
May 31, 2017 APPN Class B Common Stock Class A Common Stock (6,114,338) — — 6,114,338 Acquired
May 31, 2017 APPN Series B Convertible Preferred Stock Class B Common Stock (6,114,338) — — 6,114,338 Disposed
Oct. 20, 2015 AVTX Series B Convertible Preferred Stock Common Stock (594,245) — — 16,638,880 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 39 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
July 29, 2021 HOOD Common Stock [F1] 2,509,120 Indirect
July 29, 2021 HOOD Series B Redeemable Convertible Preferred Stock→ Common Stock [F1] (55,055,000) 55,055,000 Indirect
July 29, 2021 HOOD Series C Redeemable Convertible Preferred Stock→ Common Stock [F1] (5,804,240) 5,804,240 Indirect
July 29, 2021 HOOD Series D Redeemable Convertible Preferred Stock→ Common Stock [F1] (492,853) 492,853 Indirect
July 29, 2021 HOOD Series E Redeemable Convertible Preferred Stock→ Common Stock [F1] (1,521,305) 1,521,305 Indirect
July 29, 2021 HOOD Series E Redeemable Convertible Preferred Stock→ Common Stock [F1] (4,486,208) 4,486,208 Indirect
July 29, 2021 HOOD Series F Redeemable Convertible Preferred Stock→ Common Stock [F1] (1,600,000) 1,600,000 Indirect
July 29, 2021 HOOD Tranche I Convertible Promissory Note→ Common Stock [F1] — Indirect
July 29, 2021 HOOD Tranche I Convertible Promissory Note→ Common Stock [F1] — Indirect
July 29, 2021 HOOD Warrants to Purchase Stock→ Common Stock [F1] (211,466) 211,466 Indirect
July 29, 2021 HOOD Warrants to Purchase Stock→ Common Stock [F1] (211,466) 211,466 Indirect
June 23, 2021 GLUE Series A-2 convertible preferred stock→ Common Stock (2,715,968) 2,715,968 Indirect
June 23, 2021 GLUE Series B convertible preferred stock→ Common Stock (3,257,328) 3,257,328 Indirect
June 23, 2021 GLUE Series C convertible preferred stock→ Common Stock (669,002) 669,002 Indirect
March 16, 2021 SVRA Common Stock 24,137,931 Indirect
July 23, 2020 ANNX Series B Preferred Stock→ Common Stock (1,591,599) 1,591,599 Indirect
July 23, 2020 ANNX Series C Preferred Stock→ Common Stock (672,636) 672,636 Indirect
July 23, 2020 ANNX Series D Preferred Stock→ Common Stock (231,452) 231,452 Indirect
July 9, 2020 NKTX Series A Preferred Stock→ Common Stock (522,639) 522,639 Indirect
July 9, 2020 NKTX Series B Preferred Stock→ Common Stock (1,712,810) 1,712,810 Indirect
Jan. 29, 2020 BDTX Series B Preferred Stock→ Common Stock (2,176,957) 2,176,957 Indirect
Jan. 29, 2020 BDTX Series C Preferred Stock→ Common Stock (471,800) 471,800 Indirect
July 17, 2019 MIRM Series A Preferred Stock→ Common Stock — Indirect
May 7, 2019 TRVI Series C Preferred Stock→ Common Stock (1,937,970) 1,937,970 Indirect
May 7, 2019 TRVI Stock Option (Right to Buy)→ Common Stock (1,500,000) 1,500,000 Indirect
Dec. 11, 2018 TPST Common Stock 1,766,407 Indirect
Oct. 18, 2018 MRKR Common Stock 5,000,000 Indirect
Oct. 18, 2018 MRKR Warrant to Purchase Common Stock (right to buy)→ Common Stock (3,750,000) 3,750,000 Indirect
Nov. 20, 2017 XFOR Common Stock 2,000,000 Indirect
May 24, 2017 APPN Series B Convertible Preferred Stock→ Class B Common Stock (6,114,338) 6,114,338 Indirect
Oct. 14, 2015 AVTX Series B Convertible Preferred Stock→ Common Stock — Indirect
June 17, 2015 ORKA Common Stock 10,221,465 Indirect
June 17, 2015 ORKA Warrants (Right to Buy)→ Common Stock (4,088,586) 4,088,586 Indirect
June 9, 2015 ARDX Common Stock 1,401,869 Indirect
June 9, 2015 ARDX Common Stock 1,401,869 Indirect
June 9, 2015 ARDX Common Stock Warrant (right to buy)→ Common Stock (420,561) 420,561 Indirect
June 9, 2015 ARDX Common Stock Warrant (right to buy)→ Common Stock (420,561) 420,561 Indirect
March 24, 2015 CSBR Common Stock 18,750,000 Indirect
March 24, 2015 CSBR Warrant to purchase shares of Common Stock→ Common Stock (10,312,500) 10,312,500 Indirect