Skip to content
Insider tapeFilings through Fri, Oct 9
Watchlist
SBLK

Star Bulk Carriers (SBLK) stock: insider trades, news & valuation

Industrials · Strong buying
Close · Oct 9, 2026 $29.70 -2.5% on the day +80.1% over 12 months 52-week range $15.65 – $32.48

Share price and insider trades

SBLK closeInsider buyInsider sale
1520253035NovDecJan 2026FebMarAprMayJunJulAugSepOctBought $0 on 2026-06-12 · Arne BlystadSold $2,278 on 2026-05-19 · Nikolaos ReskosSold $39,850 on 2026-04-14 · Nikolaos ReskosSold $112,420 on 2026-09-21 · Eleni VrettouSold $142,450 on 2026-06-01 · Nikolaos ReskosSold $144,950 on 2026-07-30 · Nikolaos ReskosSold $147,500 on 2026-08-06 · Nikolaos ReskosSold $182,340 on 2026-10-05 · Koert ErhardtSold $210,570 on 2026-04-15 · Nikolaos ReskosSold $263,217 on 2026-05-20 · Nikolaos ReskosSold $313,384 on 2026-08-14 · Charis PlakantonakiSold $322,802 on 2026-08-17 · Charis PlakantonakiSold $323,400 on 2026-09-18 · Mahesh BalakrishnanSold $539,200 on 2026-06-11 · Nikolaos KarellisSold $810,480 on 2026-04-08 · Charis PlakantonakiSold $818,700 on 2026-05-21 · Nikolaos ReskosSold $869,947 on 2026-05-18 · Nikolaos ReskosSold $1,535,000 on 2026-08-24 · Raffaele ZagariSold $1,560,000 on 2026-08-25 · Raffaele ZagariBought $6,920,496 on 2026-09-15 · Alexandros Pappas, Charis Plakantonaki, Koert Erhardt, Milena Maria Pappa, Nikolaos Karellis, Nikolaos Reskos, Raffaele Zagari, Symeon SpyrouSold $2,616,948,625 on 2026-03-31 · Raffaele Zagari
Bought, 12 months$6.9M
Sold, 12 months$2.63B
Insiders buying8
Insiders selling7

Star Bulk Carriers insider trading at a glance (Oct 9, 2026): in the past 12 months, 8 insiders bought $6.9M and 7 sold $2.63B of SBLK stock on the open market, including a cluster buy that began Sep 15, 2026; P/E 11.6 vs. a sector median of 26.6.

SBLK insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q1 2026: $2.62B sold (2 trades)Q1 2026Q2 2026: $3.7M sold (10 trades)Q2 2026Q3 2026: $6.9M bought (9 trades)$6.9MQ3 2026: $4.5M sold (8 trades)Q3 2026Q4 2026: $182K sold (1 trades)Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0$182K1
Q3 2026$6.9M9$4.5M8
Q2 2026—0$3.7M10
Q1 2026—0$2.62B2

Valuation, profit and volume

Pick score 78/100
P/E (trailing)11.6Sector median 26.6
Market value$3.45BMarine Shipping
Profit margin23.9%Revenue growth +44.5%
Volume vs. 50-day0.9×Last 5 sessions
Insiders' paper profit+$350KOn all tracked purchases +5.1%

Summary

Over the past 12 months, 8 Star Bulk Carriers Corp. insiders reported open-market purchases totaling $6.9M, while 7 insiders reported sales totaling $2.63B. The most recent cluster buy began on Sep 15, 2026, when 8 insiders bought a combined $6.9M. 8 of 21 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Oct 7SEC Koert ErhardtDirector Sell 6,00010,080 held (−37%) $30.39 $182K -2.3% —
Sep 22SEC Mahesh BalakrishnanDirector Sell 10,00029,080 held (−26%) $32.34 $323K -8.2% —
Sep 22SEC Eleni VrettouDirector Sell 3,50073,686 held (−5%) $32.12 $112K -7.5% —
Sep 17SEC Milena Maria PappaDirector Buy 74,4003,167,074 held (+2%) $28.27 $2.1M +5.1% —
Sep 17SEC Alexandros PappasHead Of Operations Buy 74,4002,532,150 held (+3%) $28.27 $2.1M +5.1% —
Sep 17SEC Raffaele ZagariDirector Buy 50,0001,953,000 held (+3%) $28.27 $1.4M +5.1% —
Sep 17SEC Nikolaos ReskosCOO Buy 10,000410,875 held (+2%) $28.27 $283K +5.1% —
Sep 17SEC Raffaele ZagariDirector Buy 10,00037,580 held (+36%) $28.27 $283K +5.1% —
Sep 17SEC Charis PlakantonakiChief Strategy Officer Buy 3,00058,778 held (+5%) $28.27 $85K +5.1% —
Sep 16SEC Symeon SpyrouCFO Buy 15,000241,200 held (+7%) $28.27 $424K +5.1% —
Sep 16SEC Koert ErhardtDirector Buy 6,00016,080 held (+60%) $28.27 $170K +5.1% —
Sep 16SEC Nikolaos KarellisDirector Buy 2,0009,580 held (+26%) $28.27 $57K +5.1% —
Aug 26SEC Raffaele ZagariDirector Sell 50,0001,903,000 held (−3%) $31.20 $1.6M -4.8% —
Aug 25SEC Raffaele ZagariDirector Sell 50,0001,953,000 held (−2%) $30.70 $1.5M -3.3% —
Aug 19SEC Charis PlakantonakiChief Strategy Officer Sell 10,82555,778 held (−16%) $29.82 $323K -0.4% —
Aug 18SEC Charis PlakantonakiChief Strategy Officer Sell 10,82566,603 held (−14%) $28.95 $313K +2.6% —
Aug 7SEC Nikolaos ReskosCOO Sell Plan 5,000400,875 held (−1%) $29.50 $148K +0.7% —
Aug 3SEC Nikolaos ReskosCOO Sell Plan 5,000405,875 held (−1%) $28.99 $145K +2.4% —
Aug 3SEC Arne BlystadDirector Buy 7,580115,533 held (+7%) — $0 — —
Jun 12SEC Nikolaos KarellisDirector Sell 20,000 $26.96 $539K +10.2% —
Jun 3SEC Nikolaos ReskosCOO Sell Plan 5,000362,775 held (−1%) $28.49 $142K +4.2% —
May 22SEC Nikolaos ReskosCOO Sell Plan 30,000367,775 held (−8%) $27.29 $819K +8.8% —
May 22SEC Nikolaos ReskosCOO Sell Plan 9,914397,775 held (−2%) $26.55 $263K +11.9% —
May 20SEC Nikolaos ReskosCOO Sell Plan 33,103407,775 held (−8%) $26.28 $870K +13.0% —
May 20SEC Nikolaos ReskosCOO Sell Plan 86407,689 held (−0%) $26.49 $2K +12.1% —
Apr 16SEC Charis PlakantonakiChief Strategy Officer Sell Plan 16,50060,228 held (−22%) $24.56 $405K +20.9% —
Apr 16SEC Charis PlakantonakiChief Strategy Officer Sell 16,50060,228 held (−22%) $24.56 $405K +20.9% —
Apr 16SEC Nikolaos ReskosCOO Sell 8,406440,878 held (−2%) $25.05 $211K +18.6% —
Apr 16SEC Nikolaos ReskosCOO Sell 1,594449,284 held (−0%) $25.00 $40K +18.8% —
Apr 1SEC Raffaele ZagariDirector Sell 11,50020,000 held (−37%) $227,538.00 $2.62B -100.0% —
Apr 1SEC Raffaele ZagariDirector Sell 11,50020,000 held (−37%) $22.75 $262K +30.5% —

Insiders at Star Bulk Carriers Corp.

InsiderBoughtSoldLast filingScore
Raffaele ZagariDirector $1.7M $2.62B Sep 17, 2026 —
Milena Maria PappaDirector $2.1M — Sep 17, 2026 —
Alexandros PappasHead Of Operations $2.1M — Sep 17, 2026 —
Nikolaos ReskosCOO $283K $2.6M Sep 17, 2026 —
Charis PlakantonakiChief Strategy Officer $85K $1.4M Sep 17, 2026 —
Symeon SpyrouCFO $424K — Sep 16, 2026 —
Nikolaos KarellisDirector $57K $539K Sep 16, 2026 —
Koert ErhardtDirector $170K $182K Oct 7, 2026 —
Mahesh BalakrishnanDirector — $323K Sep 22, 2026 —
Eleni VrettouDirector — $112K Sep 22, 2026 —
Arne BlystadDirector — — Aug 3, 2026 —

Insider activity at other Industrials companies

Same sector, ranked by insider buying in the last 90 days.

  • RSGRepublic Services$1.38B bought
  • MAIRMadison Air Solutions Corp$220M bought
  • UUUUNIVERSAL SAFETY PRODUCTS, INC.$93.2M bought
  • PAMTPAMT CORP$31.2M bought
  • PAMPampa Energy Inc.$16.4M bought
  • UBERUber$15.3M bought

SBLK stock: common questions

Are Star Bulk Carriers Corp. insiders buying SBLK stock?

In the past 12 months, 8 insiders reported open-market purchases of SBLK worth $6.9M. The latest was Director Milena Maria Pappa bought $2.1M of SBLK at $28.27 — first open-market purchase in our records.

Are Star Bulk Carriers Corp. insiders selling SBLK stock?

7 insiders reported sales worth $2.63B over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is SBLK's P/E ratio?

SBLK trades at about 11.6 times trailing earnings, compared with a median of 26.6 for the Industrials sector.

What is SBLK's 52-week range?

Over the past year SBLK has traded between $15.65 and $32.48. It last closed at $29.70 on Oct 9, 2026.