Robert E. Gagnon

CIK 1504983 · View on SEC EDGAR ↗

Insider

First SEC filing: June 11, 2026 · Latest: June 11, 2026

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Insider at

Insider transactions

0 buys (P) 4 sells (S) Net: $-68,976 + 55 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

55 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
July 23, 2026 IRD S 7,783 $2.95 $22,960 584,375 Direct -1.31% Disposed 31.5% (price as of 2026-08-19)
April 23, 2026 IRD S 7,842 $5.18 $40,622 592,158 Direct -1.31% Disposed -25.1% (price as of 2026-08-19)
Dec. 16, 2025 VSTM S 283 $9.14 $2,587 41,678 Direct -0.67% Disposed -17.8% (price as of 2026-08-19)
Sept. 16, 2025 VSTM S 281 $9.99 $2,807 41,961 Direct -0.67% Disposed -24.8% (price as of 2026-08-19)
June 16, 2025 VSTM S 284 $5.65 $1,605 42,242 Direct -0.67% Disposed 32.9% (price as of 2026-08-19)
March 17, 2025 VSTM S 284 $6.95 $1,974 34,193 Direct -0.82% Disposed 8.1% (price as of 2026-08-19)
Dec. 19, 2024 VSTM S 130 $4.37 $568 34,477 Direct -0.38% Disposed 71.9% (price as of 2026-08-19)
Dec. 16, 2024 VSTM S 285 $4.54 $1,294 34,607 Direct -0.82% Disposed 65.4% (price as of 2026-08-19)
Sept. 19, 2024 VSTM S 131 $2.79 $365 34,892 Direct -0.37% Disposed 169.2% (price as of 2026-08-19)
Sept. 16, 2024 VSTM S 287 $2.80 $804 35,023 Direct -0.81% Disposed 168.2% (price as of 2026-08-19)
June 20, 2024 VSTM S 131 $3.21 $421 35,310 Direct -0.37% Disposed 134.0% (price as of 2026-08-19)
June 17, 2024 VSTM S 283 $3.49 $988 27,108 Direct -1.03% Disposed 115.2% (price as of 2026-08-19)
March 19, 2024 VSTM S 130 $10.38 $1,349 27,391 Direct -0.47% Disposed -27.6% (price as of 2026-08-19)
March 18, 2024 VSTM S 283 $10.71 $3,031 27,521 Direct -1.02% Disposed -29.9% (price as of 2026-08-19)
Feb. 6, 2024 VSTM S 10b5-1 9,204 $13.70 $126,095 27,804 Direct -24.87% Disposed -45.2% (price as of 2026-08-19)
Jan. 12, 2024 VSTM S 10b5-1 9,204 $10.95 $100,784 37,008 Direct -19.92% Disposed -31.4% (price as of 2026-08-19)
Dec. 19, 2023 VSTM S 130 $7.73 $1,005 46,212 Direct -0.28% Disposed -2.8% (price as of 2026-08-19)
Dec. 18, 2023 VSTM S 284 $7.64 $2,170 46,342 Direct -0.61% Disposed -1.7% (price as of 2026-08-19)
Sept. 19, 2023 VSTM S 130 $9.84 $1,279 46,626 Direct -0.28% Disposed -23.7% (price as of 2026-08-19)
Sept. 18, 2023 VSTM S 278 $9.91 $2,755 46,756 Direct -0.59% Disposed -24.2% (price as of 2026-08-19)
June 20, 2023 VSTM S 130 $10.30 $1,339 47,034 Direct -0.28% Disposed -27.1% (price as of 2026-08-19)
June 16, 2023 VSTM S 283 $9.92 $2,807 47,164 Direct -0.60% Disposed -24.3% (price as of 2026-08-19)
March 20, 2023 VSTM S 1,664 $0.43 $716 569,399 Direct -0.29% Disposed 45.5% (price as of 2026-08-19)
March 16, 2023 VSTM S 3,654 $0.40 $1,462 571,063 Direct -0.64% Disposed 56.5% (price as of 2026-08-19)
Dec. 19, 2022 VSTM S 1,429 $0.37 $529 574,717 Direct -0.25% Disposed 69.1% (price as of 2026-08-19)
Dec. 16, 2022 VSTM S 12,408 $0.40 $4,963 576,146 Direct -2.11% Disposed 56.5% (price as of 2026-08-19)
Sept. 19, 2022 VSTM S 1,348 $1.13 $1,523 588,554 Direct -0.23% Disposed -44.6% (price as of 2026-08-19)
June 21, 2022 VSTM S 1,351 $1.14 $1,540 589,902 Direct -0.23% Disposed -45.1% (price as of 2026-08-19)
May 16, 2022 VSTM S 16,627 $1.03 $17,126 591,253 Direct -2.74% Disposed -39.2% (price as of 2026-08-19)
March 21, 2022 VSTM S 1,409 $1.27 $1,789 557,880 Direct -0.25% Disposed -50.7% (price as of 2026-08-19)
Jan. 3, 2022 VSTM S 19,612 $2.05 $40,205 559,289 Direct -3.39% Disposed -69.5% (price as of 2026-08-19)
Dec. 20, 2021 VSTM S 5,497 $2.27 $12,478 578,901 Direct -0.94% Disposed -72.4% (price as of 2026-08-19)
Aug. 29, 2018 HBIO S 8,889 $5.77 $51,290 321,169 Direct -2.69% Disposed -87.8% (price as of 2026-08-19)
Aug. 7, 2018 HBIO S 10b5-1 100,015 $6.08 $608,091 349,286 Direct -22.26% Disposed -88.4% (price as of 2026-08-19)
July 27, 2018 HBIO S 10b5-1 62,514 $5.54 $346,328 361,801 Direct -14.73% Disposed -87.3% (price as of 2026-08-19)
July 24, 2018 HBIO S 10b5-1 5,570 $5.25 $29,242 374,315 Direct -1.47% Disposed -86.6% (price as of 2026-08-19)
July 23, 2018 HBIO S 10b5-1 1,465 $5.25 $7,691 379,885 Direct -0.38% Disposed -86.6% (price as of 2026-08-19)
July 19, 2018 HBIO S 10b5-1 1,100 $5.25 $5,775 381,350 Direct -0.29% Disposed -86.6% (price as of 2026-08-19)
July 13, 2018 HBIO S 10b5-1 1,062 $5.25 $5,576 382,450 Direct -0.28% Disposed -86.6% (price as of 2026-08-19)
July 12, 2018 HBIO S 10b5-1 9,145 $5.25 $48,011 383,512 Direct -2.33% Disposed -86.6% (price as of 2026-08-19)
July 11, 2018 HBIO S 10b5-1 141,300 $5.23 $738,999 386,829 Direct -26.75% Disposed -86.5% (price as of 2026-08-19)
July 10, 2018 HBIO S 10b5-1 13,700 $5.38 $73,706 411,857 Direct -3.22% Disposed -86.9% (price as of 2026-08-19)
July 9, 2018 HBIO S 10b5-1 14,200 $5.41 $76,822 411,857 Direct -3.33% Disposed -87.0% (price as of 2026-08-19)
March 7, 2018 HBIO S 97,087 $4.62 $448,542 357,938 Direct -21.34% Disposed -84.7% (price as of 2026-08-19)
May 26, 2017 HBIO P 1,000 $2.33 $2,330 475,073 Direct +0.21% Acquired -69.7% (price as of 2026-08-19)

Showing latest 100 of 178 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
Sept. 2, 2025 IRD Employee Stock Option (right to buy) Common Stock (250,000) $1.23 Sept. 1, 2035 250,000 Acquired
May 22, 2025 VSTM Stock Option (right to buy) Common Stock (12,500) $7.48 May 22, 2035 12,500 Acquired
June 18, 2024 VSTM Stock Option (right to buy) Common Stock (12,500) $3.27 June 18, 2034 12,500 Acquired
May 15, 2023 VSTM Stock Option (right to buy) Common Stock (62,500) $0.42 May 15, 2033 62,500 Acquired
Dec. 13, 2022 VSTM Stock Option (right to buy) Common Stock (153,938) $0.45 Dec. 13, 2032 153,938 Acquired
Dec. 15, 2021 VSTM Stock Option (Right to Buy) Common Stock (301,500) $2.36 Dec. 15, 2031 301,500 Acquired
Dec. 18, 2020 VSTM Stock Option (Right to Buy) Common Stock (203,776) $2.20 Dec. 18, 2030 203,776 Acquired
Dec. 13, 2019 VSTM Stock Option (Right to Buy) Common Stock (125,000) $1.34 Dec. 13, 2029 125,000 Acquired
Dec. 13, 2019 VSTM Stock Option (Right to Buy) Common Stock (125,000) $1.34 Dec. 13, 2029 125,000 Acquired
June 21, 2019 VSTM Stock Option (Right to Buy) Common Stock (250,000) $1.81 June 21, 2029 250,000 Acquired
Jan. 3, 2019 VSTM Stock Option (Right to Buy) Common Stock (50,000) $3.51 Jan. 3, 2029 50,000 Acquired
Jan. 3, 2019 VSTM Stock Option (Right to Buy) Common Stock (50,000) $3.51 Jan. 3, 2029 50,000 Acquired
Aug. 28, 2018 VSTM Stock Option (Right to Buy) Common Stock (350,000) $9.43 Aug. 28, 2028 350,000 Acquired
Aug. 7, 2018 HBIO Stock option (right to buy) Common Stock, par value $0.01 per share (50,000) $5.56 June 4, 2025 37,500 Disposed
Aug. 7, 2018 HBIO Stock option (right to buy) Common Stock, par value $0.01 per share (20,000) $4.12 May 30, 2024 20,000 Disposed
Aug. 7, 2018 HBIO Stock option (right to buy) Common Stock, par value $0.01 per share (30,000) $4.31 Nov. 18, 2023 30,000 Disposed
July 27, 2018 HBIO Stock option (right to buy) Common Stock, par value $0.01 per share (40,000) $4.12 May 30, 2024 20,000 Disposed
July 27, 2018 HBIO Stock option (right to buy) Common Stock, par value $0.01 per share (60,000) $4.31 Nov. 18, 2023 30,000 Disposed
July 12, 2018 HBIO Stock option (right to buy) Common Stock, par value $0.01 per share (45,828) $4.12 May 30, 2024 5,828 Disposed
July 11, 2018 HBIO Stock option (right to buy) Common Stock, par value $0.01 per share (100,000) $4.12 May 30, 2024 54,172 Disposed
July 11, 2018 HBIO stock option (right to buy) Common Stock, par value $0.01 per share (122,100) $4.31 Nov. 18, 2023 62,100 Disposed
July 10, 2018 HBIO Stock option (right to buy) Common Stock, par value $0.01 per share (135,800) $4.31 Nov. 18, 2023 13,700 Disposed
July 9, 2018 HBIO Stock option (right to buy) Common Stock, par value $0.01 per share (150,000) $4.31 Nov. 18, 2023 14,200 Disposed
June 4, 2015 HBIO Stock option (right to buy) Common Stock, par value $0.01 per share (50,000) $5.56 June 4, 2025 50,000 Acquired
May 30, 2014 HBIO Stock option (right to buy) Common Stock, par value $0.01 per share (100,000) $4.12 May 30, 2024 100,000 Acquired
Nov. 18, 2013 HBIO Stock option (right to buy) Common Stock, par value $0.01 per share (150,000) $4.31 Nov. 18, 2023 150,000 Acquired
Feb. 24, 2012 BIIB Stock Option (Right to Buy) Common Stock (1,054) $49.65 Feb. 24, 2019 1,054 Disposed
Feb. 23, 2012 BIIB Restricted Stock Unit Common Stock (1,223) $0.00 Feb. 23, 2014 1,223 Disposed
Feb. 9, 2012 BIIB Restricted Stock Unit Common Stock (861) — Feb. 9, 2015 861 Disposed
Feb. 8, 2012 BIIB Restricted Stock Unit Common Stock (2,138) $0.00 Feb. 8, 2016 2,138 Acquired
Oct. 3, 2011 BIIB Stock Option (Right to Buy) Common Stock (778) $49.59 Oct. 1, 2018 778 Disposed
Feb. 24, 2011 BIIB Stock Option (Right to Buy) Common Stock (1,054) $49.65 Feb. 24, 2019 1,054 Disposed
Feb. 23, 2011 BIIB Restricted Stock Unit Common Stock (0) — Feb. 23, 2014 217 Disposed
Feb. 23, 2011 BIIB Restricted Stock Unit Common Stock (191) — Feb. 23, 2014 191 Disposed
Feb. 23, 2011 BIIB Restricted Stock Unit Common Stock (815) — Feb. 23, 2014 815 Disposed
Feb. 9, 2011 BIIB Restricted Stock Unit Common Stock (3,443) — Feb. 9, 2015 3,443 Acquired
Jan. 4, 2011 BIIB Stock Option (Right to Buy) Common Stock (1,053) $49.65 Feb. 24, 2019 1,053 Disposed
Jan. 4, 2011 BIIB Stock Option (Right to Buy) Common Stock (1,700) $40.63 Oct. 31, 2015 1,700 Disposed
Jan. 4, 2011 BIIB Stock Option (Right to Buy) Common Stock (1,554) $49.59 Oct. 1, 2018 1,554 Disposed

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

Initial ownership (Form 3) 22 holdings

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

Date Ticker Security Shares Ownership
March 18, 2026 PPBT Ordinary Shares 3,062,500 Direct
March 18, 2026 PPBT Stock Option (Right to Buy)→ Ordinary Shares (112,500) 112,500 Direct
March 18, 2026 PPBT Stock Option (Right to Buy)→ Ordinary Shares (300,000) 300,000 Direct
March 18, 2026 PPBT Stock Option (Right to Buy)→ Ordinary Shares (2,650,000) 2,650,000 Direct
Jan. 10, 2024 BBLGW Common Stock 0 Direct
Dec. 15, 2022 VSTM Common Stock 588,554 Direct
Dec. 15, 2022 VSTM Stock Option (right to buy)→ Common Stock (350,000) 350,000 Direct
Dec. 15, 2022 VSTM Stock Option (right to buy)→ Common Stock (50,000) 50,000 Direct
Dec. 15, 2022 VSTM Stock Option (right to buy)→ Common Stock (50,000) 50,000 Direct
Dec. 15, 2022 VSTM Stock Option (right to buy)→ Common Stock (250,000) 250,000 Direct
Dec. 15, 2022 VSTM Stock Option (right to buy)→ Common Stock (125,000) 125,000 Direct
Dec. 15, 2022 VSTM Stock Option (right to buy)→ Common Stock (125,000) 125,000 Direct
Dec. 15, 2022 VSTM Stock Option (right to buy)→ Common Stock (203,776) 203,776 Direct
Dec. 15, 2022 VSTM Stock Option (right to buy)→ Common Stock (301,500) 301,500 Direct
Aug. 30, 2018 VSTM Common Stock 1,000 Direct
Aug. 22, 2012 CLH Common Stock 0 Direct
Jan. 7, 2011 BIIB Common Stock — Direct
Nov. 10, 2010 BIIB Common Stock 12,777 Direct
Nov. 10, 2010 BIIB Stock Option (Right to Buy)→ Common Stock (1,700) 1,700 Direct
Nov. 10, 2010 BIIB Stock Option (Right to Buy)→ Common Stock (3,110) 3,110 Direct
Nov. 10, 2010 BIIB Stock Option (Right to Buy)→ Common Stock (4,215) 4,215 Direct
Nov. 10, 2010 BIIB Restricted Stock Unit→ Common Stock (4,892) 4,892 Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

CLH

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2013 $39,667 — — — — — — $39,667
2012 $125,139 — $320,140 — — — $61 $445,340

HBIO

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2018 $242,535 — — — — — $10,370 $598,505
2017 $333,661 $69,969 — — — — $11,269 $914,901
2016 $324,202 — — — — — $11,269 $835,468

VSTM

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2022 $368,076 — — — — — $21,176 $389,252
2021 $415,000 — $571,960 $515,563 $174,000 — $20,390 $1,696,913
2020 $421,385 — — — $215,800 — $14,030 $1,704,814

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.