Scott D. Sandell

CIK 1237289 · View on SEC EDGAR ↗

Activist

First SEC filing: May 19, 2026 · Latest: May 19, 2026

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Insider at

Insider transactions

3 buys (P) 0 sells (S) Net: $20,000,000 + 67 non-open-market transactions below Avg return of open purchases vs now: 39.9% 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

67 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
March 10, 2026 KRRO P 242,945 $11.11 $2,699,119 242,945 Indirect Acquired 24.8% (price as of 2026-08-19)
March 10, 2026 KRRO P 207,100 $11.11 $2,300,881 1,297,893 Indirect +18.99% Acquired 24.8% (price as of 2026-08-19)
Feb. 9, 2026 SGP P 937,500 $16.00 $15,000,000 6,035,038 Indirect +18.39% Acquired 69.9% (price as of 2026-08-19)
Sept. 16, 2024 MBX P 500,000 $16.00 $8,000,000 3,614,486 Indirect +16.05% Acquired 317.0% (price as of 2026-08-19)
April 22, 2024 KRRO P 17,857 $56.00 $999,992 1,090,793 Indirect +1.66% Acquired -75.2% (price as of 2026-08-19)
Nov. 20, 2023 NET S 10b5-1 34,611 $73.50 $2,543,908 0 Indirect -100.00% Disposed 294.4% (price as of 2026-08-19)
Nov. 20, 2023 NET S 10b5-1 78,389 $73.02 $5,723,965 34,611 Indirect -69.37% Disposed 297.0% (price as of 2026-08-19)
Nov. 20, 2023 NET S 10b5-1 12,558 $73.50 $923,013 0 Indirect -100.00% Disposed 294.4% (price as of 2026-08-19)
Nov. 20, 2023 NET S 10b5-1 28,442 $73.02 $2,076,835 12,558 Indirect -69.37% Disposed 297.0% (price as of 2026-08-19)
Nov. 20, 2023 NET S 10b5-1 17,621 $73.50 $1,295,144 174,534 Indirect -9.17% Disposed 294.4% (price as of 2026-08-19)
Nov. 20, 2023 NET S 10b5-1 39,913 $73.02 $2,914,447 192,155 Indirect -17.20% Disposed 297.0% (price as of 2026-08-19)
Aug. 8, 2023 NET S 6,570 $66.57 $437,365 0 Indirect -100.00% Disposed 335.4% (price as of 2026-08-19)
Aug. 8, 2023 NET S 2,944 $65.30 $192,243 6,570 Indirect -30.94% Disposed 343.9% (price as of 2026-08-19)
Aug. 8, 2023 NET S 9,455 $64.54 $610,226 9,514 Indirect -49.84% Disposed 349.1% (price as of 2026-08-19)
Aug. 8, 2023 NET S 1,338 $63.81 $85,378 18,969 Indirect -6.59% Disposed 354.3% (price as of 2026-08-19)
July 17, 2023 SVRA P 333,333 $3.00 $999,999 24,471,264 Indirect +1.38% Acquired 82.0% (price as of 2026-08-19)
Jan. 26, 2023 CBIO S 1,351,092 $3.12 $4,215,407 2,237,196 Indirect -37.65% Disposed -94.4% (price as of 2026-08-19)
Jan. 26, 2023 CBIO S 1,648,908 $3.12 $5,144,593 2,730,334 Indirect -37.65% Disposed -94.4% (price as of 2026-08-19)
Jan. 25, 2023 CBIO S 293,645 $3.26 $957,283 3,588,288 Indirect -7.56% Disposed -94.7% (price as of 2026-08-19)
Jan. 25, 2023 CBIO S 358,371 $3.26 $1,168,289 4,379,242 Indirect -7.56% Disposed -94.7% (price as of 2026-08-19)
Jan. 5, 2023 CBIO S 32,139 $2.76 $88,704 3,881,933 Indirect -0.82% Disposed -93.7% (price as of 2026-08-19)
Jan. 5, 2023 CBIO S 39,223 $2.76 $108,255 4,737,613 Indirect -0.82% Disposed -93.7% (price as of 2026-08-19)
Jan. 4, 2023 CBIO S 45,930 $2.91 $133,656 3,914,072 Indirect -1.16% Disposed -94.0% (price as of 2026-08-19)
Jan. 4, 2023 CBIO S 56,054 $2.91 $163,117 4,776,836 Indirect -1.16% Disposed -94.0% (price as of 2026-08-19)
Jan. 3, 2023 CBIO S 78,730 $2.99 $235,403 3,960,002 Indirect -1.95% Disposed -94.2% (price as of 2026-08-19)
Jan. 3, 2023 CBIO S 96,084 $2.99 $287,291 4,832,890 Indirect -1.95% Disposed -94.2% (price as of 2026-08-19)
Dec. 30, 2022 CBIO S 54,645 $3.02 $165,028 4,038,732 Indirect -1.33% Disposed -94.2% (price as of 2026-08-19)
Dec. 30, 2022 CBIO S 66,690 $3.02 $201,404 4,928,974 Indirect -1.33% Disposed -94.2% (price as of 2026-08-19)
June 14, 2022 NET S 10b5-1 500 $41.43 $20,715 3,454 Direct -12.65% Disposed 599.6% (price as of 2026-08-19)
June 14, 2022 NET S 10b5-1 1,941 $40.78 $79,154 3,954 Direct -32.93% Disposed 610.8% (price as of 2026-08-19)
May 12, 2022 HOOD S 4,396 $8.41 $36,970 0 Indirect -100.00% Disposed 1009.6% (price as of 2026-08-19)
May 12, 2022 HOOD S 4,396 $8.41 $36,970 0 Indirect -100.00% Disposed 1009.6% (price as of 2026-08-19)
May 3, 2022 HOOD S 1,952 $10.06 $19,637 0 Indirect -100.00% Disposed 827.6% (price as of 2026-08-19)

Showing latest 100 of 525 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
March 10, 2026 KRRO Pre-Funded Warrants Common Stock (242,945) $0.00 242,945 Acquired
Feb. 9, 2026 SGP Series B Preferred Stock Common Stock (402,273) 402,273 Disposed
Feb. 9, 2026 SGP Series A Preferred Stock Common Stock (954,990) 954,990 Disposed
Feb. 9, 2026 SGP Series D Preferred Stock Common Stock (737,962) 737,962 Disposed
Feb. 9, 2026 SGP Series C-2 Preferred Stock Common Stock (1,370,168) 1,370,168 Disposed
Feb. 9, 2026 SGP Series C-1 Preferred Stock Common Stock (1,370,168) 1,370,168 Disposed
Feb. 9, 2026 SGP Series B Preferred Stock Common Stock (1,619,240) 1,619,240 Disposed
Sept. 16, 2024 MBX Series B Convertible Preferred Stock Common Stock (2,091,383) 25,142,840 Disposed
Sept. 16, 2024 MBX Series A Convertible Preferred Stock Common Stock (1,023,103) 12,299,854 Disposed
Aug. 7, 2023 NET Class B Common Stock [F2] Class A Common Stock (1,249,215) 1,249,215 Disposed
Feb. 15, 2023 NET Class B Common Stock [F2] Class A Common Stock (624,608) 624,608 Disposed
April 11, 2022 TRVI Pre-Funded Warrants Common Stock (3,000,000) $0.00 3,000,000 Acquired
March 31, 2022 HOOD Restricted Stock Units Class A Common Stock (1,387) 1,387 Acquired
Dec. 31, 2021 HOOD Restricted Stock Units Class A Common Stock (1,075) 1,075 Acquired
Nov. 12, 2021 BE Class B Common Stock Class A Common Stock (109,450) 109,450 Acquired
Nov. 12, 2021 BE Class B Common Stock Class A Common Stock (109,450) 109,450 Disposed
Nov. 12, 2021 BE Class B Common Stock Class A Common Stock (109,450) 109,450 Acquired
Nov. 12, 2021 BE Class B Common Stock [F8] Class A Common Stock (109,450) 109,450 Disposed
Nov. 12, 2021 BE Class B Common Stock [F8] Class A Common Stock (11,853,570) 11,853,570 Disposed
Nov. 12, 2021 BE Class B Common Stock [F9] Class A Common Stock (11,963,020) 11,963,020 Disposed
Nov. 8, 2021 NET Class B Common Stock [F2] Class A Common Stock (984,065) 984,065 Disposed
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
Sept. 30, 2021 HOOD Restricted Stock Units Class A Common Stock (317) 317 Acquired
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
Aug. 2, 2021 HOOD Series F Redeemable Convertible Preferred Stock Common Stock (1,600,000) 1,600,000 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 E Redeemable Convertible Preferred Stock Common Stock (1,521,305) 1,521,305 Disposed
Aug. 2, 2021 HOOD Series D Redeemable Convertible Preferred Stock Common Stock (492,853) 492,853 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 B Redeemable Convertible Preferred Stock Common Stock (55,055,000) 55,055,000 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
May 18, 2021 NET Class B Common Stock [F2] Class A Common Stock (4,250,000) 4,250,000 Disposed
April 5, 2021 COUR Series F Preferred Common Stock (2,941,177) 2,941,177 Disposed
April 5, 2021 COUR Series F Preferred Stock Common Stock (1,470,588) 1,470,588 Disposed
April 5, 2021 COUR Series E Preferred Stock Common Stock (833,333) 833,333 Disposed
April 5, 2021 COUR Series D Preferred Stock Common Stock (66,667) 66,667 Disposed
April 5, 2021 COUR Series C Preferred Stock Common Stock (4,908,216) 4,908,216 Disposed
April 5, 2021 COUR Series B Preferred Stock Common Stock (1,019,805) 1,019,805 Disposed
April 5, 2021 COUR Series A Preferred Stock Common Stock (9,590,105) 9,590,105 Disposed
Feb. 23, 2021 NET Class B Common Stock [F2] Class A Common Stock (3,290,491) 3,290,491 Disposed
Nov. 11, 2020 NET Class B Common Stock [F2] Class A Common Stock (13,161,963) 13,161,963 Disposed
Aug. 14, 2020 BE Class B Common Stock Class A Common Stock (4,233,381) 4,233,381 Acquired
Aug. 14, 2020 BE 10% Convertible Notes Class B Common Stock [F2] $8.00 Dec. 1, 2021 Disposed
Aug. 7, 2020 NET Class B Common Stock [F2] Class A Common Stock (19,763,347) 19,763,347 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
May 19, 2020 NET Class B Common Stock [F2] Class A Common Stock (5,264,785) 5,264,785 Disposed
April 3, 2020 TRVI Call Option (right to buy) Common Stock (1,500,000) $0.00 May 6, 2022 1,500,000 Disposed
March 31, 2020 BE 10% Convertible Notes Class B Common Stock [F5] $8.00 Dec. 1, 2021 Acquired
March 31, 2020 BE 10% Convertible Notes Class B Common Stock [F5] $8.00 Dec. 1, 2021 Acquired
March 31, 2020 BE 6% Convertible Notes Class B Common Stock [F5] $11.25 Dec. 1, 2020 Disposed
Sept. 17, 2019 NET Class B Common Stock [F4] Class A Common Stock (42,463,920) 42,463,920 Acquired
Sept. 17, 2019 NET Series D Convertible Preferred Stock Class A Common Stock (4,059,376) 4,059,376 Disposed
Sept. 17, 2019 NET Series C Convertible Preferred Stock Class B Common Stock [F4] (7,183,310) 7,183,310 Disposed
Sept. 17, 2019 NET Series B Convertible Preferred Stock Class B Common Stock [F4] (35,280,610) 35,280,610 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
Oct. 10, 2018 ESTC Series D Convertible Preference Shares Ordinary Shares (1,528,117) 1,528,117 Disposed
Oct. 10, 2018 ESTC Series C Convertible Preference Shares Ordinary Shares (4,155,995) 4,155,995 Disposed
July 27, 2018 BE Class B Common Stock Class A Common Stock (346,239) 346,239 Acquired
July 27, 2018 BE 8% Convertible Preferred Notes Series G Convertible Preferred Stock (346,239) 346,239 Disposed
July 27, 2018 BE Class B Common Stock Class A Common Stock (650,631) 650,631 Acquired
July 27, 2018 BE Series G Convertible Preferred Stock Class B Common Stock [F3] (650,631) 650,631 Disposed
July 27, 2018 BE Class B Common Stock Class A Common Stock (125,989) 125,989 Acquired
July 27, 2018 BE Series F Convertible Preferred Stock Class B Common Stock [F3] (125,989) 125,989 Disposed
July 27, 2018 BE Class B Common Stock Class A Common Stock (395,815) 395,815 Acquired
July 27, 2018 BE Series E Convertible Preferred Stock Class B Common Stock [F3] (395,815) 395,815 Disposed
July 27, 2018 BE Class B Common Stock Class A Common Stock (620,155) 620,155 Acquired
July 27, 2018 BE Series D Convertible Preferred Stock Class B Common Stock [F3] (620,155) 620,155 Disposed
July 27, 2018 BE Class B Common Stock Class A Common Stock (1,062,944) 1,062,944 Acquired
July 27, 2018 BE Series C Convertible Preferred Stock Class B Common Stock [F3] (1,062,944) 1,062,944 Disposed
July 27, 2018 BE Class B Common Stock Class A Common Stock (4,527,868) 4,527,868 Acquired
July 27, 2018 BE Series B Convertible Preferred Stock Class B Common Stock [F3] (4,527,868) 4,527,868 Disposed
May 10, 2018 CBIO Warrant to Purchase Common Stock (right to buy) Common Stock (298,406) $0.33 Jan. 16, 2019 298,406 Disposed
May 10, 2018 CBIO Warrant to Purchase Common Stock (right to buy) Common Stock (216,046) $0.33 July 3, 2018 216,046 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
Oct. 10, 2017 RYTM Series A Preferred Stoc Common Stock 1,402,870 Disposed
Oct. 10, 2017 RYTM Series A-1 Junior Preferred Stock Common Stock 2,927,708 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
Nov. 16, 2015 CBIO Warrant to Purchase Common Stock (right to buy) Common Stock (9,445) $0.33 Dec. 9, 2015 9,445 Disposed
Oct. 20, 2015 AVTX Series B Convertible Preferred Stock Common Stock (594,245) 16,638,880 Disposed
June 5, 2015 ARDX Common Stock Warrant (right to buy) Common Stock (420,561) $13.91 June 5, 2020 420,561 Acquired
June 5, 2015 ARDX Common Stock Warrant (right to buy) Common Stock (420,561) $13.91 June 5, 2020 420,561 Acquired
June 5, 2015 ARDX Common Stock Warrant (right to buy) Common Stock (560,748) $13.91 June 5, 2020 560,748 Acquired
Jan. 28, 2015 BOX Class B Common Stock [F5] Class A Common Stock (2,091,457) 2,091,457 Acquired
Jan. 28, 2015 BOX Series E Preferred Stock Existing Class A Common Stock (274,916) 274,916 Disposed
Jan. 28, 2015 BOX Series D2 Preferred Stock Existing Class A Common Stock (1,653,761) 1,653,761 Disposed
Jan. 15, 2014 CBIO Series A-1 Preferred Stock Common Stock (3,580,877) 11,824,058 Disposed
Jan. 15, 2014 CBIO Series A-1 Preferred Stock Common Stock (3,407,283) 11,250,850 Disposed
Dec. 6, 2013 WDAY Class B Common Stock Class A Common Stock [F20] (1,160,606) 1,160,606 Disposed
Dec. 6, 2013 WDAY Class B Common Stock Class A Common Stock [F20] (1,160,606) 1,160,606 Disposed
Aug. 28, 2013 WDAY Class B Common Stock Class A Common Stock [F20] (1,160,606) 1,160,606 Disposed
Aug. 28, 2013 WDAY Class B Common Stock Class A Common Stock [F20] (1,160,606) 1,160,606 Disposed

Showing latest 100 of 110 transactions

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

Initial ownership (Form 3) 85 holdings

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

Date Ticker Security Shares Ownership
Feb. 5, 2026 SGP Series B Preferred Stock→ Common Stock (1,619,240) 1,619,240 Indirect
Feb. 5, 2026 SGP Series C-1 Preferred Stock→ Common Stock (1,370,168) 1,370,168 Indirect
Feb. 5, 2026 SGP Series C-2 Preferred Stock→ Common Stock (1,370,168) 1,370,168 Indirect
Feb. 5, 2026 SGP Series D Preferred Stock→ Common Stock (737,962) 737,962 Indirect
Feb. 5, 2026 SGP Series A Preferred Stock→ Common Stock (954,990) 954,990 Indirect
Feb. 5, 2026 SGP Series B Preferred Stock→ Common Stock (402,273) 402,273 Indirect
Sept. 12, 2024 MBX Series A Convertible Preferred Stock→ Common Stock (1,023,103) 1,023,103 Indirect
Sept. 12, 2024 MBX Series B Convertible Preferred Stock→ Common Stock (2,091,383) 2,091,383 Indirect
Nov. 7, 2023 KRRO Common Stock 1,072,936 Indirect
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 30, 2021 COUR Common Stock 327,000 Indirect
March 30, 2021 COUR Series A Preferred Stock→ Common Stock (9,590,105) 9,590,105 Indirect
March 30, 2021 COUR Series B Preferred Stock→ Common Stock (1,019,805) 1,019,805 Indirect
March 30, 2021 COUR Series C Preferred Stock→ Common Stock (4,908,216) 4,908,216 Indirect
March 30, 2021 COUR Series D Preferred Stock→ Common Stock (66,667) 66,667 Indirect
March 30, 2021 COUR Series E Preferred Stock→ Common Stock (833,333) 833,333 Indirect
March 30, 2021 COUR Series F Preferred Stock→ Common Stock (1,470,588) 1,470,588 Indirect
March 30, 2021 COUR Series F Preferred Stock→ Common Stock (2,941,177) 2,941,177 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
Sept. 12, 2019 NET Class B Common Stock→ Class A Common Stock (6,124,554) 6,124,554 Indirect
Sept. 12, 2019 NET Series B Convertible Preferred Stock→ Class B Common Stock [F1] (35,280,610) 35,280,610 Indirect
Sept. 12, 2019 NET Series C Convertible Preferred Stock→ Class B Common Stock [F1] (7,183,310) 7,183,310 Indirect
Sept. 12, 2019 NET Series D Convertible Preferred Stock→ Class A Common Stock (4,059,376) 4,059,376 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
Oct. 4, 2018 ESTC Ordinary Shares 655,522 Indirect